| Accession | Protein | Strain | WildtypeAA | Position | MutatedAA | Frequency | Date_of_first_submission(YYYYMMDD) |
| ACY03001 | neuraminidase | (A/Italy/137/2009(H1N1)) | M | 1 | L | 1 | 20091022 |
| ACR08462 | neuraminidase | (A/New York/3099/2009(H1N1)) | N | 2 | S | 1 | 20090514 |
| ACU68926 | neuraminidase | (A/Poland/303/2009(H1N1)) | N | 2 | I | 1 | 20090820 |
| ACZ96222 | neuraminidase | (A/Texas/44313703/2009(H1N1)) | P | 3 | S | 1 | 20091211 |
| ACX56269 | neuraminidase | (A/Ghom/1550/2009(H1N1)) | N | 4 | K | 3 (stats) | 20091013 |
| ACY46355 | neuraminidase | (A/Singapore/ON975/2009(H1N1)) | Q | 5 | P | 1 | 20091103 |
| ACY30121 | neuraminidase | (A/Italy/161/2009(H1N1)) | Q | 5 | K | 1 | 20091028 |
| ACY46335 | neuraminidase | (A/Singapore/ON899/2009(H1N1)) | I | 7 | L | 1 | 20091103 |
| ACZ96342 | neuraminidase | (A/Texas/44282651/2009(H1N1)) | T | 9 | I | 3 (stats) | 20091211 |
| ACV70627 | neuraminidase | (A/Wisconsin/629-D01055/2009(H1N1)) | G | 11 | S | 1 | 20090911 |
| ADD23428 | neuraminidase | (A/Pensacola/INS40/2009(H1N1)) | V | 13 | I | 2 (stats) | 20100302 |
| ACV33097 | neuraminidase | (A/New York/3655/2009(H1N1)) | M | 15 | I | 4 (stats) | 20090901 |
| ACR51038 | neuraminidase | (A/New York/3172/2009(H1N1)) | T | 16 | S | 2 (stats) | 20090529 |
| ADD22607 | neuraminidase | (A/Australia/27/2009(H1N1)) | T | 16 | A | 1 | 20100302 |
| ACZ96232 | neuraminidase | (A/Texas/45010998/2009(H1N1)) | I | 17 | V | 3 (stats) | 20091211 |
| ADB89534 | neuraminidase | (A/California/VRDL45/2009(H1N1)) | M | 19 | I | 1 | 20100125 |
| ACZ17253 | neuraminidase | (A/New York/4844/2009(H1N1)) | I | 23 | M | 1 | 20091118 |
| ACY30119 | neuraminidase | (A/Italy/159/2009(H1N1)) | I | 26 | M | 1 | 20091028 |
| ACU30158 | neuraminidase | (A/Changsha/78/2009(H1N1)) | I | 29 | M | 2 (stats) | 20090806 |
| ACZ16063 | neuraminidase | (A/Mexico City/013/2009(H1N1)) | I | 30 | T | 1 | 20091118 |
| ACS72718 | neuraminidase | (A/Texas/34/2009(H1N1)) | I | 30 | V | 2 (stats) | 20090624 |
| ACZ96020 | neuraminidase | (A/Texas/45103737/2009(H1N1)) | S | 31 | L | 1 | 20091211 |
| ACY30133 | neuraminidase | (A/Italy/173/2009(H1N1)) | I | 32 | M | 1 | 20091028 |
| ACR10227 | neuraminidase | (A/Hamburg/4/2009(H1N1)) | I | 32 | T | 1 | 20090517 |
| ACR47008 | neuraminidase | (A/Mexico/47N/2009(H1N1)) | I | 34 | P | 1 | 20090528 |
| ACY77615 | neuraminidase | (A/San Salvador/WR0167N/2009(H1N1)) | I | 34 | L | 1 | 20091110 |
| ACR47008 | neuraminidase | (A/Mexico/47N/2009(H1N1)) | S | 35 | V | 1 | 20090528 |
| ADD23233 | neuraminidase | (A/San Diego/INS12/2009(H1N1)) | S | 35 | G | 1 | 20100302 |
| ACQ89919 | neuraminidase | (A/Mexico/InDRE4114/2009(H1N1)) | H | 36 | R | 4 (stats) | 20090509 |
| ACZ98341 | neuraminidase | (A/Texas/42191647/2009(H1N1)) | S | 37 | P | 1 | 20091211 |
| ACU31177 | neuraminidase | (A/Canada-SK/RV2486/2009(H1N1)) | S | 37 | L | 1 | 20090811 |
| ACZ96552 | neuraminidase | (A/Texas/45113911/2009(H1N1)) | I | 38 | S | 1 | 20091211 |
| ACZ16413 | neuraminidase | (A/Wisconsin/629-D01734/2009(H1N1)) | L | 40 | F | 1 | 20091118 |
| ACZ17143 | neuraminidase | (A/New York/4777/2009(H1N1)) | G | 41 | E | 1 | 20091118 |
| ACX35240 | neuraminidase | (A/New York/3074/2009(H1N1)) | G | 41 | V | 1 | 20091001 |
| ACT68169 | neuraminidase | (A/Canada-QC/RV1759/2009(H1N1)) | N | 42 | D | 5 (stats) | 20090722 |
| ACU17262 | neuraminidase | (A/New York/3898/2009(H1N1)) | N | 44 | S | 1 | 20090806 |
| ADA83037 | neuraminidase | (A/Salekhard/01/2009(H1N1)) | N | 44 | D | 1 | 20091230 |
| ADD23498 | neuraminidase | (A/San Diego/INS68/2009(H1N1)) | Q | 45 | H | 1 | 20100302 |
| ACY30140 | neuraminidase | (A/Italy/180/2009(H1N1)) | Q | 45 | K | 1 | 20091028 |
| ACR40311 | neuraminidase | (A/New York/3240/2009(H1N1)) | I | 46 | T | 4 (stats) | 20090526 |
| ACX35310 | neuraminidase | (A/New York/3795/2009(H1N1)) | E | 47 | G | 2 (stats) | 20091001 |
| ACZ96122 | neuraminidase | (A/Texas/45033774/2009(H1N1)) | T | 48 | A | 1 | 20091211 |
| ACV41993 | neuraminidase | (A/Sachsen-Anhalt/101/2009(H1N1)) | T | 48 | I | 2 (stats) | 20090902 |
| ADD25250 | neuraminidase | (A/Rome/633/2009(H1N1)) | V | 53 | I | 4 (stats) | 20100303 |
| ACZ96612 | neuraminidase | (A/Houston/1H/2009(H1N1)) | I | 54 | V | 1 | 20091211 |
| ACV67046 | neuraminidase | (A/Thailand/CU-H106/2009(H1N1)) | T | 55 | A | 1 | 20090910 |
| ACZ98191 | neuraminidase | (A/Wisconsin/629-D01973/2009(H1N1)) | T | 55 | S | 1 | 20091211 |
| ACQ76379 | neuraminidase | (A/Indiana/09/2009(H1N1)) | E | 57 | K | 2 (stats) | 20090506 |
| ACZ96509 | neuraminidase | (A/Texas/45024243/2009(H1N1)) | V | 62 | I | 2 (stats) | 20091211 |
| ACX36560 | neuraminidase | (A/Catalonia/NS675/2009(H1N1)) | T | 65 | I | 1 | 20091002 |
| ADB89354 | neuraminidase | (A/California/VRDL23/2009(H1N1)) | I | 69 | V | 1 | 20100125 |
| ACV04281 | neuraminidase | (A/New York/3611/2009(H1N1)) | S | 70 | G | 1 | 20090826 |
| ADD14154 | neuraminidase | (A/Malaysia/9343/2009(H1N1)) | N | 71 | I | 1 | 20100226 |
| ACV67046 | neuraminidase | (A/Thailand/CU-H106/2009(H1N1)) | N | 73 | D | 1 | 20090910 |
| ADD21807 | neuraminidase | (A/California/VRDL18/2009(H1N1)) | N | 73 | Y | 1 | 20100302 |
| ACU30075 | neuraminidase | (A/Bogota/0466N/2009(H1N1)) | F | 74 | L | 4 (stats) | 20090810 |
| ACV70096 | neuraminidase | (A/Wisconsin/629-D02408/2009(H1N1)) | A | 75 | T | 1 | 20090911 |
| ACT36678 | neuraminidase | (A/Washington/17/2009(H1N1)) | G | 77 | R | 2 (stats) | 20090714 |
| ACV04522 | neuraminidase | (A/New York/4006/2009(H1N1)) | Q | 78 | K | 1 | 20090826 |
| ACU17062 | neuraminidase | (A/New York/3715/2009(H1N1)) | Q | 78 | H | 1 | 20090806 |
| ADA83582 | neuraminidase | (A/Argentina/HNRG13/2009(H1N1)) | Q | 78 | R | 2 (stats) | 20091230 |
| ACV67180 | neuraminidase | (A/Georgia/15/2009(H1N1)) | S | 79 | P | 3 (stats) | 20090910 |
| ACS72679 | neuraminidase | (A/Arkansas/03/2009(H1N1)) | V | 80 | M | 22 (stats) | 20090624 |
| ACZ59112 | neuraminidase | (A/Catalonia/NS7267/2009(H1N1)) | V | 81 | A | 4 (stats) | 20091202 |
| ACX56271 | neuraminidase | (A/Lorestan/1599/2009(H1N1)) | V | 81 | G | 1 | 20091013 |
| ACS72664 | neuraminidase | (A/Texas/32/2009(H1N1)) | V | 81 | L | 1 | 20090624 |
| ACR08565 | neuraminidase | (A/Florida/04/2009(H1N1)) | S | 82 | P | 6 (stats) | 20090515 |
| ACT36692 | neuraminidase | (A/California/12/2009(H1N1)) | V | 83 | M | 15 (stats) | 20090515 |
| ACX36686 | neuraminidase | (A/Catalonia/S1194/2009(H1N1)) | V | 83 | A | 4 (stats) | 20091002 |
| ADA71214 | neuraminidase | (A/Catalonia/S2055/2009(H1N1)) | K | 84 | E | 1 | 20091223 |
| ACY77997 | neuraminidase | (A/Mexico City/010/2009(H1N1)) | K | 84 | T | 1 | 20091111 |
| ACZ96362 | neuraminidase | (A/Texas/45043852/2009(H1N1)) | A | 86 | T | 6 (stats) | 20091211 |
| ACY46445 | neuraminidase | (A/Singapore/ON479/2009(H1N1)) | A | 86 | G | 1 | 20091103 |
| ACY78007 | neuraminidase | (A/Mexico City/011/2009(H1N1)) | A | 86 | V | 4 (stats) | 20091111 |
| ACU30085 | neuraminidase | (A/Managua/0536N/2009(H1N1)) | A | 86 | M | 1 | 20090810 |
| ACY46445 | neuraminidase | (A/Singapore/ON479/2009(H1N1)) | G | 87 | R | 1 | 20091103 |
| ADA79589 | neuraminidase | (A/Russia/74/2009(H1N1)) | N | 88 | S | 1 | 20091228 |
| ACT52799 | neuraminidase | (A/Catalonia/522/2009(H1N1)) | N | 88 | Y | 1 | 20090715 |
| ADD22755 | neuraminidase | (A/Australia/47/2009(H1N1)) | P | 93 | T | 1 | 20100302 |
| ACZ98867 | neuraminidase | (A/Catalonia/S1935/2009(H1N1)) | P | 93 | S | 2 (stats) | 20091214 |
| ACY03010 | neuraminidase | (A/Italy/146/2009(H1N1)) | V | 94 | I | 1 | 20091022 |
| ACP41931 | neuraminidase | (A/California/05/2009(H1N1)) | S | 95 | G | 58 (stats) | 20090427 |
| ACZ17103 | neuraminidase | (A/New York/4735/2009(H1N1)) | S | 95 | N | 2 (stats) | 20091118 |
| ACY46445 | neuraminidase | (A/Singapore/ON479/2009(H1N1)) | W | 97 | V | 1 | 20091103 |
| ADD21887 | neuraminidase | (A/Australia/9/2009(H1N1)) | I | 99 | V | 2 (stats) | 20100302 |
| ACY46445 | neuraminidase | (A/Singapore/ON479/2009(H1N1)) | Y | 100 | F | 1 | 20091103 |
| ACY46445 | neuraminidase | (A/Singapore/ON479/2009(H1N1)) | D | 103 | V | 1 | 20091103 |
| ADA69437 | neuraminidase | (A/Italy/212/2009(H1N1)) | N | 104 | D | 1 | 20091221 |
| ACZ16043 | neuraminidase | (A/Mexico City/007/2009(H1N1)) | S | 105 | N | 1 | 20091118 |
| ACR40631 | neuraminidase | (A/Auckland/1/2009(H1N1)) | V | 106 | I | 1486 (stats) | 20090430 |
| ACQ45339 | neuraminidase | (A/Netherlands/602/2009(H1N1)) | I | 108 | V | 1 | 20090430 |
| ACY46445 | neuraminidase | (A/Singapore/ON479/2009(H1N1)) | G | 109 | R | 1 | 20091103 |
| ACY46445 | neuraminidase | (A/Singapore/ON479/2009(H1N1)) | S | 110 | A | 1 | 20091103 |
| ADD23273 | neuraminidase | (A/District of Columbia/INS19/2009(H1N1)) | K | 111 | E | 1 | 20100302 |
| ACY46445 | neuraminidase | (A/Singapore/ON479/2009(H1N1)) | K | 111 | G | 1 | 20091103 |
| ACY46445 | neuraminidase | (A/Singapore/ON479/2009(H1N1)) | D | 113 | G | 1 | 20091103 |
| ACV67181 | neuraminidase | (A/New Hampshire/11/2009(H1N1)) | V | 116 | I | 5 (stats) | 20090910 |
| ACY46445 | neuraminidase | (A/Singapore/ON479/2009(H1N1)) | E | 119 | G | 1 | 20091103 |
| ACQ89892 | neuraminidase | (A/Catalonia/48/2009(H1N1)) | P | 120 | S | 1 | 20090509 |
| ADD23085 | neuraminidase | (A/Australia/73/2009(H1N1)) | P | 120 | L | 1 | 20100302 |
| ACY46445 | neuraminidase | (A/Singapore/ON479/2009(H1N1)) | F | 121 | V | 1 | 20091103 |
| ACY30121 | neuraminidase | (A/Italy/161/2009(H1N1)) | I | 122 | V | 2 (stats) | 20091028 |
| ACV70847 | neuraminidase | (A/Wisconsin/629-D02276/2009(H1N1)) | I | 122 | M | 1 | 20090911 |
| ACY46445 | neuraminidase | (A/Singapore/ON479/2009(H1N1)) | S | 125 | P | 1 | 20091103 |
| ACT79155 | neuraminidase | (A/Brawley/40082/2009(H1N1)) | P | 126 | L | 2 (stats) | 20090724 |
| ACV70217 | neuraminidase | (A/Wisconsin/629-D02473/2009(H1N1)) | P | 126 | H | 1 | 20090911 |
| ACZ17093 | neuraminidase | (A/New York/4728/2009(H1N1)) | L | 127 | F | 1 | 20091118 |
| ACU45333 | neuraminidase | (A/Catalonia/563/2009(H1N1)) | L | 127 | S | 2 (stats) | 20090720 |
| ACZ16083 | neuraminidase | (A/Mexico City/005/2009(H1N1)) | E | 128 | G | 1 | 20091118 |
| ACY46445 | neuraminidase | (A/Singapore/ON479/2009(H1N1)) | C | 129 | F | 1 | 20091103 |
| ADA83035 | neuraminidase | (A/Tomsk/07/2009(H1N1)) | R | 130 | S | 1 | 20091230 |
| ADA83034 | neuraminidase | (A/Abakan/02/2009(H1N1)) | L | 134 | S | 1 | 20091230 |
| ACY46445 | neuraminidase | (A/Singapore/ON479/2009(H1N1)) | Q | 136 | G | 1 | 20091103 |
| ACV67049 | neuraminidase | (A/Thailand/CU-B938/2009(H1N1)) | A | 138 | P | 1 | 20090910 |
| ACY46445 | neuraminidase | (A/Singapore/ON479/2009(H1N1)) | A | 138 | G | 1 | 20091103 |
| ACY46445 | neuraminidase | (A/Singapore/ON479/2009(H1N1)) | L | 139 | E | 1 | 20091103 |
| ACS78029 | neuraminidase | (A/New York/3351/2009(H1N1)) | L | 140 | I | 1 | 20090626 |
| ACX36779 | neuraminidase | (A/Catalonia/S1250/2009(H1N1)) | N | 141 | T | 1 | 20091002 |
| ACY46445 | neuraminidase | (A/Singapore/ON479/2009(H1N1)) | D | 142 | E | 1 | 20091103 |
| ACY46445 | neuraminidase | (A/Singapore/ON479/2009(H1N1)) | K | 143 | E | 1 | 20091103 |
| ACZ96182 | neuraminidase | (A/Texas/45062584/2009(H1N1)) | K | 143 | R | 1 | 20091211 |
| ACY46445 | neuraminidase | (A/Singapore/ON479/2009(H1N1)) | S | 145 | A | 1 | 20091103 |
| ACT68169 | neuraminidase | (A/Canada-QC/RV1759/2009(H1N1)) | G | 147 | E | 2 (stats) | 20090722 |
| ACY46445 | neuraminidase | (A/Singapore/ON479/2009(H1N1)) | K | 150 | L | 1 | 20091103 |
| ACX31917 | neuraminidase | (A/Hiroshima/200/2009(H1N1)) | K | 150 | T | 1 | 20090930 |
| ACY46445 | neuraminidase | (A/Singapore/ON479/2009(H1N1)) | R | 152 | S | 1 | 20091103 |
| ACR40381 | neuraminidase | (A/New York/3263/2009(H1N1)) | Y | 155 | H | 1 | 20090526 |
| ACY46445 | neuraminidase | (A/Singapore/ON479/2009(H1N1)) | T | 157 | P | 1 | 20091103 |
| ACY46445 | neuraminidase | (A/Singapore/ON479/2009(H1N1)) | M | 159 | V | 1 | 20091103 |
| ACV33157 | neuraminidase | (A/New York/4048/2009(H1N1)) | I | 163 | V | 1 | 20090901 |
| ADA79589 | neuraminidase | (A/Russia/74/2009(H1N1)) | N | 171 | K | 1 | 20091228 |
| ACY30137 | neuraminidase | (A/Italy/177/2009(H1N1)) | R | 173 | K | 1 | 20091028 |
| ACY30138 | neuraminidase | (A/Italy/178/2009(H1N1)) | A | 178 | S | 1 | 20091028 |
| ADD25246 | neuraminidase | (A/Rome/631/2009(H1N1)) | I | 188 | T | 1 | 20100303 |
| ACZ17273 | neuraminidase | (A/New York/4866/2009(H1N1)) | I | 188 | F | 1 | 20091118 |
| ACU31177 | neuraminidase | (A/Canada-SK/RV2486/2009(H1N1)) | N | 189 | S | 2 (stats) | 20090811 |
| ACY77897 | neuraminidase | (A/New York/4095/2009(H1N1)) | D | 199 | N | 2 (stats) | 20091111 |
| ACZ01955 | neuraminidase | (A/Nanjing/3/2009(H1N1)) | D | 199 | G | 1 | 20091116 |
| ACZ16183 | neuraminidase | (A/Wisconsin/629-D00941/2009(H1N1)) | N | 200 | S | 1 | 20091118 |
| ACU68926 | neuraminidase | (A/Poland/303/2009(H1N1)) | N | 200 | K | 1 | 20090820 |
| ACS72702 | neuraminidase | (A/Texas/30/2009(H1N1)) | G | 201 | E | 1 | 20090624 |
| ACU68926 | neuraminidase | (A/Poland/303/2009(H1N1)) | G | 201 | W | 1 | 20090820 |
| ADB89554 | neuraminidase | (A/California/VRDL50/2009(H1N1)) | V | 203 | M | 4 (stats) | 20100125 |
| ACY30121 | neuraminidase | (A/Italy/161/2009(H1N1)) | V | 203 | A | 1 | 20091028 |
| ACX70053 | neuraminidase | (A/Panama/303246/2009(H1N1)) | A | 204 | C | 1 | 20091014 |
| ACY30121 | neuraminidase | (A/Italy/161/2009(H1N1)) | V | 205 | L | 1 | 20091028 |
| ADD21777 | neuraminidase | (A/California/VRDL11/2009(H1N1)) | L | 206 | I | 1 | 20100302 |
| ACY66353 | neuraminidase | (A/Beijing/370/2009(H1N1)) | K | 207 | A | 1 | 20091105 |
| ACZ16643 | neuraminidase | (A/Wisconsin/629-S0186/2009(H1N1)) | K | 207 | R | 1 | 20091118 |
| ADA86085 | neuraminidase | (A/Israel/6290/2009(H1N1)) | Y | 208 | F | 1 | 20091231 |
| ACU68926 | neuraminidase | (A/Poland/303/2009(H1N1)) | N | 209 | T | 1 | 20090820 |
| ACX36662 | neuraminidase | (A/Catalonia/S1173/2009(H1N1)) | G | 210 | S | 1 | 20091002 |
| ACZ96539 | neuraminidase | (A/Texas/45032708/2009(H1N1)) | I | 211 | V | 1 | 20091211 |
| ACR24231 | neuraminidase | (A/Nonthaburi/104/2009(H1N1)) | T | 213 | P | 1 | 20090521 |
| ACX36726 | neuraminidase | (A/Catalonia/S1215/2009(H1N1)) | N | 221 | T | 1 | 20091002 |
| ADB89404 | neuraminidase | (A/California/VRDL29/2009(H1N1)) | N | 222 | S | 1 | 20100125 |
| ACV53891 | neuraminidase | (A/Taiwan/115/2009(H1N1)) | N | 222 | K | 1 | 20090909 |
| ACY30141 | neuraminidase | (A/Italy/181/2009(H1N1)) | I | 223 | K | 1 | 20091028 |
| ACY78441 | neuraminidase | (A/Catalonia/S1620/2009(H1N1)) | A | 232 | V | 2 (stats) | 20091112 |
| ADB89584 | neuraminidase | (A/California/VRDL53/2009(H1N1)) | V | 234 | I | 1 | 20100125 |
| ADD25302 | neuraminidase | (A/Rome/663/2009(H1N1)) | V | 234 | G | 1 | 20100303 |
| ACZ98862 | neuraminidase | (A/Catalonia/NS7745/2009(H1N1)) | N | 235 | H | 1 | 20091214 |
| ACY46875 | neuraminidase | (A/Singapore/GP2695/2009(H1N1)) | T | 240 | I | 1 | 20091103 |
| ACX31925 | neuraminidase | (A/Myanmar/60/2009(H1N1)) | V | 241 | L | 6 (stats) | 20090930 |
| ACQ76298 | neuraminidase | (A/Texas/09/2009(H1N1)) | V | 241 | I | 4 (stats) | 20090506 |
| ADD23323 | neuraminidase | (A/District of Columbia/INS27/2009(H1N1)) | M | 242 | L | 1 | 20100302 |
| ADD25306 | neuraminidase | (A/Rome/665/2009(H1N1)) | G | 245 | E | 1 | 20100303 |
| ADB89454 | neuraminidase | (A/California/VRDL34/2009(H1N1)) | S | 247 | N | 2 (stats) | 20100125 |
| ACR40631 | neuraminidase | (A/Auckland/1/2009(H1N1)) | N | 248 | D | 1556 (stats) | 20090430 |
| ACQ99684 | neuraminidase | (A/Nonthaburi/102/2009(H1N1)) | G | 249 | E | 3 (stats) | 20090509 |
| ADD25228 | neuraminidase | (A/Rome/624/2009(H1N1)) | G | 249 | R | 1 | 20100303 |
| ACZ96418 | neuraminidase | (A/Texas/45072128/2009(H1N1)) | A | 251 | S | 2 (stats) | 20091211 |
| ACT66157 | neuraminidase | (A/Italy/127/2009(H1N1)) | F | 256 | L | 1 | 20090720 |
| ACZ67876 | neuraminidase | (A/Belarus/23/2009(H1N1)) | R | 257 | S | 1 | 20091207 |
| ACY78425 | neuraminidase | (A/Catalonia/S1600/2009(H1N1)) | R | 257 | K | 4 (stats) | 20091112 |
| ACU56927 | neuraminidase | (A/Ekaterinburg/01/2009(H1N1)) | E | 259 | D | 1 | 20090818 |
| ACX36624 | neuraminidase | (A/Catalonia/S1128/2009(H1N1)) | K | 260 | R | 1 | 20091002 |
| ACZ67872 | neuraminidase | (A/Belarus/216/2009(H1N1)) | I | 263 | V | 7 (stats) | 20091207 |
| ACV67181 | neuraminidase | (A/New Hampshire/11/2009(H1N1)) | V | 264 | I | 2 (stats) | 20090910 |
| ACS72692 | neuraminidase | (A/Massachusetts/10/2009(H1N1)) | K | 265 | R | 1 | 20090624 |
| ACX35280 | neuraminidase | (A/New York/3345/2009(H1N1)) | E | 268 | D | 1 | 20091001 |
| ACS68963 | neuraminidase | (A/Mexico City/18/2009(H1N1)) | M | 269 | I | 4 (stats) | 20090623 |
| ACY78433 | neuraminidase | (A/Catalonia/S1605/2009(H1N1)) | M | 269 | L | 1 | 20091112 |
| ACT36518 | neuraminidase | (A/Dublin/11/2009(H1N1)) | N | 270 | D | 6 (stats) | 20090714 |
| ACZ96842 | neuraminidase | (A/Houston/22H/2009(H1N1)) | N | 270 | I | 2 (stats) | 20091211 |
| ACX36767 | neuraminidase | (A/Catalonia/S1244/2009(H1N1)) | P | 272 | S | 1 | 20091002 |
| ACS68984 | neuraminidase | (A/Mexico City/47/2009(H1N1)) | Y | 274 | H | 2 (stats) | 20090623 |
| ACT10319 | neuraminidase | (A/Hong Kong/2369/2009(H1N1)) | H | 275 | Y | 20 (stats) | 20090706 |
| ADA69454 | neuraminidase | (A/Italy/229/2009(H1N1)) | D | 284 | V | 1 | 20091221 |
| ACT20176 | neuraminidase | (A/Catalonia/385/2009(H1N1)) | S | 286 | G | 47 (stats) | 20090707 |
| ACV67183 | neuraminidase | (A/District of Columbia/03/2009(H1N1)) | S | 286 | N | 1 | 20090519 |
| ACZ95355 | neuraminidase | (A/UAE/D07/2009(H1N1)) | E | 287 | V | 2 (stats) | 20091211 |
| ACY66310 | neuraminidase | (A/Beijing/342/2009(H1N1)) | W | 303 | R | 1 | 20091105 |
| ACZ17153 | neuraminidase | (A/New York/4780/2009(H1N1)) | Q | 308 | R | 7 (stats) | 20091118 |
| ACT36518 | neuraminidase | (A/Dublin/11/2009(H1N1)) | Q | 308 | H | 3 (stats) | 20090714 |
| ACT79135 | neuraminidase | (A/Japan/1070/2009(H1N1)) | N | 309 | D | 3 (stats) | 20090724 |
| ACY66310 | neuraminidase | (A/Beijing/342/2009(H1N1)) | L | 310 | R | 1 | 20091105 |
| ACY46855 | neuraminidase | (A/Singapore/GP2686/2009(H1N1)) | Q | 313 | R | 4 (stats) | 20091103 |
| ACY66310 | neuraminidase | (A/Beijing/342/2009(H1N1)) | I | 314 | V | 1 | 20091105 |
| ADA71234 | neuraminidase | (A/Catalonia/S2068/2009(H1N1)) | I | 314 | M | 1 | 20091223 |
| ACQ89891 | neuraminidase | (A/Korea/01/2009(H1N1)) | S | 319 | R | 1 | 20090508 |
| ACY46505 | neuraminidase | (A/Singapore/ON442/2009(H1N1)) | G | 320 | A | 1 | 20091103 |
| ACY38358 | neuraminidase | (A/Catalonia/S1402/2009(H1N1)) | I | 321 | V | 1 | 20091030 |
| ADD22534 | neuraminidase | (A/Australia/16/2009(H1N1)) | N | 325 | S | 3 (stats) | 20100302 |
| ACY66310 | neuraminidase | (A/Beijing/342/2009(H1N1)) | P | 326 | T | 1 | 20091105 |
| ACY66310 | neuraminidase | (A/Beijing/342/2009(H1N1)) | R | 327 | S | 1 | 20091105 |
| ACY66310 | neuraminidase | (A/Beijing/342/2009(H1N1)) | P | 328 | N | 1 | 20091105 |
| ACZ17501 | neuraminidase | (A/Texas/45062633/2009(H1N1)) | P | 328 | S | 2 (stats) | 20091118 |
| ACY77575 | neuraminidase | (A/La Paz/WR0096T/2009(H1N1)) | N | 329 | S | 1 | 20091110 |
| ACU00162 | neuraminidase | (A/Jiangsu/1/2009(H1N1)) | N | 329 | I | 4 (stats) | 20090614 |
| ACZ98867 | neuraminidase | (A/Catalonia/S1935/2009(H1N1)) | N | 329 | H | 1 | 20091214 |
| ACS69004 | neuraminidase | (A/Mexico City/70/2009(H1N1)) | T | 332 | A | 5 (stats) | 20090623 |
| ACZ37202 | neuraminidase | (A/Pavia/21/2009(H1N1)) | T | 332 | K | 5 (stats) | 20091120 |
| ACZ98311 | neuraminidase | (A/Texas/42163291/2009(H1N1)) | G | 336 | D | 3 (stats) | 20091211 |
| ACZ16143 | neuraminidase | (A/Wisconsin/629-D00426/2009(H1N1)) | V | 338 | L | 1 | 20091118 |
| ACS72688 | neuraminidase | (A/Texas/28/2009(H1N1)) | V | 338 | A | 1 | 20090604 |
| ACT67221 | neuraminidase | (A/Madrid/GP523/2009(H1N1)) | V | 338 | I | 1 | 20090721 |
| ACZ17273 | neuraminidase | (A/New York/4866/2009(H1N1)) | S | 339 | L | 1 | 20091118 |
| ACY77645 | neuraminidase | (A/Santo Domingo/0574/2009(H1N1)) | S | 340 | F | 3 (stats) | 20091110 |
| ACV67175 | neuraminidase | (A/Florida/16/2009(H1N1)) | A | 343 | S | 1 | 20090910 |
| ACV67049 | neuraminidase | (A/Thailand/CU-B938/2009(H1N1)) | A | 343 | V | 1 | 20090910 |
| ACX31928 | neuraminidase | (A/Shizuoka/793/2009(H1N1)) | A | 343 | E | 1 | 20090930 |
| ACS68953 | neuraminidase | (A/Mexico City/6/2009(H1N1)) | N | 344 | K | 2 (stats) | 20090623 |
| ADD25262 | neuraminidase | (A/Rome/641/2009(H1N1)) | N | 344 | D | 1 | 20100303 |
| ACY66310 | neuraminidase | (A/Beijing/342/2009(H1N1)) | V | 346 | I | 1 | 20091105 |
| ACR78161 | neuraminidase | (A/Perth/29/2009(H1N1)) | K | 352 | R | 2 (stats) | 20090605 |
| ACY03013 | neuraminidase | (A/Italy/149/2009(H1N1)) | Y | 353 | F | 1 | 20091022 |
| ADB89614 | neuraminidase | (A/California/VRDL61/2009(H1N1)) | V | 357 | I | 1 | 20100125 |
| ACX31910 | neuraminidase | (A/Niigata/749/2009(H1N1)) | I | 365 | M | 1 | 20090930 |
| ACV67209 | neuraminidase | (A/District of Columbia/02/2009(H1N1)) | S | 366 | N | 10 (stats) | 20090519 |
| ACY38318 | neuraminidase | (A/Catalonia/S1307/2009(H1N1)) | N | 369 | T | 2 (stats) | 20091030 |
| ACV67046 | neuraminidase | (A/Thailand/CU-H106/2009(H1N1)) | F | 371 | L | 1 | 20090910 |
| ACV67046 | neuraminidase | (A/Thailand/CU-H106/2009(H1N1)) | E | 372 | G | 1 | 20090910 |
| ACV53891 | neuraminidase | (A/Taiwan/115/2009(H1N1)) | W | 375 | C | 1 | 20090909 |
| ACZ95355 | neuraminidase | (A/UAE/D07/2009(H1N1)) | T | 381 | I | 3 (stats) | 20091211 |
| ACR40321 | neuraminidase | (A/New York/3252/2009(H1N1)) | T | 381 | N | 1 | 20090526 |
| BAI53535 | neuraminidase | (A/Nagasaki/HA-58/2009(H1N1)) | G | 382 | E | 4 (stats) | 20091204 |
| ACS72707 | neuraminidase | (A/Florida/09/2009(H1N1)) | G | 382 | R | 2 (stats) | 20090624 |
| ACV53482 | neuraminidase | (A/Toronto/T5294/2009(H1N1)) | G | 382 | A | 1 | 20090908 |
| ACZ96122 | neuraminidase | (A/Texas/45033774/2009(H1N1)) | T | 383 | K | 1 | 20091211 |
| ADD14150 | neuraminidase | (A/Malaysia/9237/2009(H1N1)) | N | 385 | D | 1 | 20100226 |
| ACX36823 | neuraminidase | (A/Catalonia/S1276/2009(H1N1)) | N | 386 | D | 7 (stats) | 20091002 |
| ADA70331 | neuraminidase | (A/Russia/165/2009(H1N1)) | N | 386 | K | 8 (stats) | 20091222 |
| ACX36803 | neuraminidase | (A/Catalonia/S1269/2009(H1N1)) | N | 386 | S | 4 (stats) | 20091002 |
| ACY46815 | neuraminidase | (A/Singapore/GP2316/2009(H1N1)) | N | 386 | T | 1 | 20091103 |
| ACV53492 | neuraminidase | (A/Toronto/T5362/2009(H1N1)) | S | 388 | L | 3 (stats) | 20090908 |
| ADB89694 | neuraminidase | (A/Australia/3/2009(H1N1)) | S | 388 | T | 1 | 20100125 |
| ACZ16053 | neuraminidase | (A/Mexico City/009/2009(H1N1)) | I | 389 | T | 1 | 20091118 |
| ACT79320 | neuraminidase | (A/Athens/2275/2009(H1N1)) | Q | 391 | P | 2 (stats) | 20090724 |
| ACU68926 | neuraminidase | (A/Poland/303/2009(H1N1)) | D | 392 | N | 1 | 20090820 |
| ACZ81644 | neuraminidase | (A/Prague/196-81511/2009(H1N1)) | V | 394 | I | 6 (stats) | 20091209 |
| ACY38358 | neuraminidase | (A/Catalonia/S1402/2009(H1N1)) | G | 395 | R | 1 | 20091030 |
| ADD23468 | neuraminidase | (A/San Diego/INS48/2009(H1N1)) | I | 396 | V | 1 | 20100302 |
| ACZ95356 | neuraminidase | (A/UAE/D08/2009(H1N1)) | I | 396 | L | 1 | 20091211 |
| ACT68169 | neuraminidase | (A/Canada-QC/RV1759/2009(H1N1)) | N | 397 | S | 1 | 20090722 |
| ADD22765 | neuraminidase | (A/Australia/48/2009(H1N1)) | E | 398 | D | 1 | 20100302 |
| ACV53901 | neuraminidase | (A/Taiwan/126/2009(H1N1)) | G | 404 | R | 1 | 20090909 |
| ACQ45339 | neuraminidase | (A/Netherlands/602/2009(H1N1)) | V | 407 | I | 1 | 20090430 |
| ACX36573 | neuraminidase | (A/Catalonia/S1045/2009(H1N1)) | E | 411 | V | 1 | 20091002 |
| ACU30011 | neuraminidase | (A/Taiwan/T1773/2009(H1N1)) | D | 416 | G | 1 | 20090810 |
| ADB89664 | neuraminidase | (A/California/VRDL69/2009(H1N1)) | D | 416 | N | 4 (stats) | 20100125 |
| ADA69448 | neuraminidase | (A/Italy/223/2009(H1N1)) | F | 422 | V | 1 | 20091221 |
| ADD22688 | neuraminidase | (A/Australia/40/2009(H1N1)) | V | 424 | I | 2 (stats) | 20100302 |
| ADD22964 | neuraminidase | (A/Australia/69/2009(H1N1)) | R | 430 | L | 1 | 20100302 |
| ACY78461 | neuraminidase | (A/Catalonia/S1651/2009(H1N1)) | N | 434 | K | 3 (stats) | 20091112 |
| ACX36803 | neuraminidase | (A/Catalonia/S1269/2009(H1N1)) | N | 434 | S | 3 (stats) | 20091002 |
| ADD22678 | neuraminidase | (A/Australia/39/2009(H1N1)) | T | 435 | S | 1 | 20100302 |
| ADA79742 | neuraminidase | (A/Stockholm/091120-2/2009(H1N1)) | I | 436 | V | 1 | 20091216 |
| ACV67170 | neuraminidase | (A/Oregon/04/2009(H1N1)) | T | 438 | A | 1 | 20090604 |
| BAI79335 | neuraminidase | (A/Aichi/257/2009(H1N1)) | S | 441 | I | 16 (stats) | 20100305 |
| ACY41255 | neuraminidase | (A/Catalonia/S1525/2009(H1N1)) | S | 442 | I | 6 (stats) | 20091102 |
| ACX36654 | neuraminidase | (A/Catalonia/S1169/2009(H1N1)) | I | 443 | V | 1 | 20091002 |
| BAI79350 | neuraminidase | (A/Aichi/282/2009(H1N1)) | C | 446 | S | 1 | 20100305 |
| ACZ96122 | neuraminidase | (A/Texas/45033774/2009(H1N1)) | V | 448 | I | 1 | 20091211 |
| BAI79350 | neuraminidase | (A/Aichi/282/2009(H1N1)) | N | 449 | D | 1 | 20100305 |
| BAI79335 | neuraminidase | (A/Aichi/257/2009(H1N1)) | S | 450 | R | 3 (stats) | 20100305 |
| ACX31928 | neuraminidase | (A/Shizuoka/793/2009(H1N1)) | S | 450 | G | 1 | 20090930 |
| ACV04311 | neuraminidase | (A/New York/3617/2009(H1N1)) | D | 451 | N | 2 (stats) | 20090826 |
| ACR33740 | neuraminidase | (A/Moscow/01/2009(H1N1)) | D | 451 | G | 2 (stats) | 20090522 |
| ACS71680 | neuraminidase | (A/Catalonia/362/2009(H1N1)) | T | 452 | I | 1 | 20090623 |
| ADC38990 | neuraminidase | (A/Barnaul/04/2009(H1N1)) | T | 452 | N | 2 (stats) | 20100203 |
| ADD21757 | neuraminidase | (A/New York/4977/2009(H1N1)) | T | 452 | A | 1 | 20100302 |
| ACX56270 | neuraminidase | (A/Khorasan/1583/2009(H1N1)) | T | 452 | S | 1 | 20091013 |
| ADD25250 | neuraminidase | (A/Rome/633/2009(H1N1)) | V | 453 | M | 1 | 20100303 |
| ACV33167 | neuraminidase | (A/New York/4057/2009(H1N1)) | G | 454 | D | 1 | 20090901 |
| ACX56270 | neuraminidase | (A/Khorasan/1583/2009(H1N1)) | G | 454 | S | 1 | 20091013 |
| ADA69436 | neuraminidase | (A/Italy/211/2009(H1N1)) | W | 455 | C | 7 (stats) | 20091221 |
| ACU29951 | neuraminidase | (A/San Antonio/PR921/2009(H1N1)) | P | 458 | S | 5 (stats) | 20090810 |
| ACU45333 | neuraminidase | (A/Catalonia/563/2009(H1N1)) | E | 462 | D | 1 | 20090720 |
| ACY66310 | neuraminidase | (A/Beijing/342/2009(H1N1)) | L | 463 | C | 4 (stats) | 20091105 |
| ACZ98548 | neuraminidase | (A/Beijing/718/2009(H1N1)) | P | 464 | H | 3 (stats) | 20091214 |
| ACY66353 | neuraminidase | (A/Beijing/370/2009(H1N1)) | F | 465 | L | 1 | 20091105 |
| ACZ98554 | neuraminidase | (A/Beijing/719/2009(H1N1)) | F | 465 | Y | 2 (stats) | 20091214 |
| ACZ98548 | neuraminidase | (A/Beijing/718/2009(H1N1)) | F | 465 | N | 1 | 20091214 |
| ACX31925 | neuraminidase | (A/Myanmar/60/2009(H1N1)) | T | 466 | I | 1 | 20090930 |
| ACZ16253 | neuraminidase | (A/Wisconsin/629-D00453/2009(H1N1)) | T | 466 | N | 1 | 20091118 |
| ACZ98548 | neuraminidase | (A/Beijing/718/2009(H1N1)) | T | 466 | H | 3 (stats) | 20091214 |
| ACR78157 | neuraminidase | (A/Victoria/2001/2009(H1N1)) | T | 466 | R | 1 | 20090605 |
| ACZ98548 | neuraminidase | (A/Beijing/718/2009(H1N1)) | I | 467 | D | 3 (stats) | 20091214 |
| ACR78157 | neuraminidase | (A/Victoria/2001/2009(H1N1)) | I | 467 | S | 1 | 20090605 |
| ACZ98554 | neuraminidase | (A/Beijing/719/2009(H1N1)) | D | 468 | G | 1 | 20091214 |
| ACZ98548 | neuraminidase | (A/Beijing/718/2009(H1N1)) | D | 468 | C | 1 | 20091214 |
| ACZ98562 | neuraminidase | (A/Beijing/720/2009(H1N1)) | K | 469 | R | 1 | 20091214 |
| ACV67046 | neuraminidase | (A/Thailand/CU-H106/2009(H1N1)) | K | 469 | N | 1 | 20090910 |
| ACZ98554 | neuraminidase | (A/Beijing/719/2009(H1N1)) | K | 469 | A | 1 | 20091214 |
| ACZ98548 | neuraminidase | (A/Beijing/718/2009(H1N1)) | K | 469 | T | 1 | 20091214 |
2149 sequences from the