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Canonical Sequence Approximation

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Combined V-H domains

The sequences underlying this analysis have been taken from the Kabat database of sequences of proteins of immunological interest (5th edition). They have been manually edited wherever necessary to align insertions at the respective positions where they have been crystallographically determined. Only the six most frequent residues are given in this table.

ALL HEAVY CHAIN VARIABLE DOMAINS FROM KABAT DATABASE COMBINED
Heavy chains subgroup I (A) V region - Mouse
Heavy chains subgroup I (B) V region - Mouse
Heavy chains subgroup II (A) V region - Mouse
Heavy chains subgroup II (B) V region - Mouse
Heavy chains subgroup II (C) V region - Mouse
Heavy chains subgroup III (A) V region - Mouse
Heavy chains subgroup III (B) V region - Mouse
Heavy chains subgroup III (C) V region - Mouse
Heavy chains subgroup III (D) V region - Mouse
Heavy chains subgroup V (A) V region - Mouse
Heavy chains subgroup V (B) V region - Mouse
Heavy chains subgroup misc. V region - Mouse
Heavy chains subgroup I V region - Human
Heavy chains subgroup II V region - Human
Heavy chains subgroup III V region - Human
Heavy chains V region - Rat
Heavy chains V region - Rabbit
Heavy chains V region - Guinea pig
Heavy chains V region - Cat
Heavy chains V region - Dog
Heavy chains V region - Chicken
Heavy chains V region
 
 
  +--- Position
  |
  |   +--- Number of observations (not counting gaps)
  |   |
  |   |      +--- Residue type
  |   |      |
  V   V      V v--- Observed frequency in sample
  1 ( 1410): E:0.584 Q:0.318 D:0.070 A:0.017 G:0.004 K:0.003
  2 ( 1357): V:0.896 -:0.036 I:0.029 E:0.014 M:0.007 S:0.006
  3 ( 1414): Q:0.675 K:0.196 T:0.033 S:0.031 H:0.017 M:0.013
  4 ( 1426): L:0.964 V:0.028 F:0.002 A:0.001 D:0.001 H:0.001
  5 ( 1437): Q:0.400 V:0.347 L:0.072 K:0.069 E:0.052 D:0.029
  6 ( 1424): E:0.580 Q:0.400 A:0.004 R:0.004 D:0.003 G:0.002
  7 ( 1437): S:0.878 P:0.086 T:0.019 W:0.004 X:0.003 V:0.002
  8 ( 1439): G:0.954 E:0.023 S:0.006 V:0.004 A:0.003 D:0.003
  9 ( 1447): G:0.451 P:0.270 A:0.227 S:0.023 T:0.020 D:0.002
 10 ( 1454): G:0.485 E:0.368 D:0.041 V:0.032 S:0.027 R:0.020
 11 ( 1467): L:0.892 V:0.070 T:0.012 F:0.007 I:0.007 S:0.005
 12 ( 1442): V:0.859 K:0.045 A:0.019 I:0.015 M:0.015 Q:0.013
 13 ( 1402): K:0.487 Q:0.321 R:0.092 A:0.035 T:0.035 E:0.010
 14 ( 1468): P:0.913 A:0.041 S:0.024 L:0.011 T:0.007 G:0.002
 15 ( 1461): G:0.812 S:0.153 T:0.010 E:0.005 K:0.005 R:0.003
 16 ( 1447): G:0.352 A:0.262 Q:0.136 S:0.084 E:0.053 R:0.046
 17 ( 1531): S:0.869 T:0.081 P:0.020 A:0.013 G:0.003 L:0.003
 18 ( 1539): L:0.521 V:0.401 M:0.035 R:0.019 H:0.010 I:0.003
 19 ( 1529): K:0.554 R:0.220 S:0.154 T:0.041 Q:0.009 G:0.007
 20 ( 1560): L:0.644 I:0.176 M:0.131 V:0.040 T:0.003 R:0.001
 21 ( 1517): S:0.773 T:0.197 V:0.015 A:0.003 L:0.003 I:0.002
 22 ( 1489): C:0.998 K:0.001 R:0.001 S:0.001
 23 ( 1509): K:0.394 A:0.293 T:0.187 S:0.047 V:0.040 E:0.021
 24 ( 1505): A:0.650 V:0.174 T:0.120 G:0.024 I:0.011 F:0.007
 25 ( 1514): S:0.910 T:0.070 A:0.006 Y:0.005 F:0.003 G:0.002
 26 ( 1466): G:0.980 D:0.006 E:0.005 V:0.002 A:0.001 R:0.001
 27 ( 1451): F:0.484 Y:0.422 D:0.037 G:0.023 I:0.011 S:0.006
 28 ( 1491): T:0.623 S:0.215 N:0.047 D:0.041 A:0.027 I:0.014
 29 ( 1508): F:0.759 L:0.109 I:0.101 V:0.018 S:0.005 T:0.003
 30 ( 1495): T:0.505 S:0.411 K:0.039 N:0.015 G:0.007 I:0.005
 31 ( 1475): S:0.475 D:0.251 N:0.081 G:0.054 T:0.054 R:0.044
 32 ( 1486): Y:0.664 F:0.110 S:0.050 T:0.036 G:0.036 D:0.031
 33 ( 1479): Y:0.320 W:0.218 G:0.211 A:0.078 T:0.032 N:0.024
 34 ( 1469): M:0.606 I:0.194 V:0.081 W:0.042 A:0.022 Y:0.019
 35 ( 1455): H:0.258 N:0.246 S:0.197 E:0.087 Y:0.034 W:0.027
 35a(   97): -:0.932 N:0.021 W:0.015 V:0.008 C:0.006 S:0.006
 35b(   38): -:0.973 N:0.008 S:0.008 G:0.006 X:0.003 A:0.001
 36 ( 1454): W:0.992 R:0.003 C:0.001 A:0.001 K:0.001 M:0.001
 37 ( 1392): V:0.869 I:0.108 A:0.006 L:0.006 M:0.005 F:0.003
 38 ( 1421): R:0.583 K:0.387 C:0.005 M:0.004 Q:0.004 N:0.004
 39 ( 1393): Q:0.941 K:0.035 E:0.007 R:0.004 I:0.002 H:0.001
 40 ( 1402): R:0.290 A:0.231 P:0.171 S:0.133 T:0.069 F:0.056
 41 ( 1376): P:0.886 H:0.072 S:0.017 T:0.008 N:0.005 A:0.004
 42 ( 1357): G:0.825 E:0.133 S:0.009 A:0.007 D:0.007 R:0.007
 43 ( 1388): K:0.591 Q:0.262 R:0.061 N:0.051 H:0.019 E:0.007
 44 ( 1332): G:0.676 R:0.109 S:0.085 K:0.053 A:0.053 T:0.012
 45 ( 1392): L:0.976 P:0.011 F:0.004 Q:0.002 G:0.001 R:0.001
 46 ( 1383): E:0.942 Q:0.021 K:0.018 D:0.008 A:0.003 G:0.001
 47 ( 1352): W:0.923 Y:0.033 L:0.018 F:0.011 H:0.004 S:0.002
 48 ( 1373): I:0.554 V:0.198 L:0.144 M:0.097 S:0.004 W:0.001
 49 ( 1384): G:0.712 A:0.228 S:0.042 V:0.007 T:0.004 E:0.002
 50 ( 1409): Y:0.200 R:0.123 V:0.101 A:0.096 E:0.089 D:0.060
 51 ( 1416): I:0.884 S:0.054 T:0.015 L:0.011 F:0.009 V:0.008
 52 ( 1409): N:0.285 S:0.142 Y:0.136 R:0.123 D:0.113 W:0.080
 52a( 1130): P:0.449 -:0.202 N:0.117 S:0.082 Y:0.028 G:0.025
 52b(  214): -:0.846 K:0.135 R:0.008 G:0.004 N:0.003 I:0.001
 52c(  197): -:0.858 A:0.087 S:0.025 T:0.009 V:0.006 P:0.006
 53 ( 1382): G:0.255 N:0.207 Y:0.129 S:0.118 D:0.089 A:0.077
 54 ( 1408): N:0.269 G:0.267 S:0.226 D:0.140 K:0.030 T:0.023
 55 ( 1403): G:0.612 S:0.145 Y:0.130 D:0.043 V:0.016 A:0.011
 56 ( 1420): S:0.232 Y:0.173 T:0.161 G:0.128 N:0.086 D:0.082
 57 ( 1425): T:0.771 I:0.102 P:0.022 S:0.020 A:0.018 K:0.018
 58 ( 1430): N:0.224 Y:0.190 K:0.164 E:0.099 S:0.071 D:0.051
 59 ( 1433): Y:0.946 F:0.020 I:0.007 N:0.006 H:0.004 S:0.003
 60 ( 1433): N:0.481 A:0.202 S:0.124 P:0.057 T:0.049 D:0.034
 61 ( 1439): E:0.268 P:0.173 D:0.153 Q:0.138 A:0.134 S:0.083
 62 ( 1442): K:0.396 S:0.374 A:0.087 T:0.038 W:0.028 N:0.024
 63 ( 1443): F:0.466 V:0.278 L:0.194 A:0.022 I:0.013 M:0.009
 64 ( 1428): K:0.776 Q:0.091 M:0.041 I:0.019 R:0.018 N:0.015
 65 ( 1394): G:0.608 S:0.237 D:0.088 N:0.024 T:0.012 R:0.011
 66 ( 1431): R:0.548 K:0.428 Q:0.011 G:0.007 P:0.002 E:0.001
 67 ( 1453): F:0.343 A:0.320 T:0.103 L:0.088 V:0.067 I:0.056
 68 ( 1456): T:0.740 S:0.124 I:0.091 A:0.016 F:0.008 K:0.005
 69 ( 1470): I:0.511 L:0.362 V:0.059 F:0.031 M:0.024 T:0.007
 70 ( 1472): T:0.513 S:0.445 N:0.012 F:0.010 I:0.008 L:0.005
 71 ( 1472): R:0.399 V:0.302 A:0.126 K:0.101 S:0.024 L:0.020
 72 ( 1451): D:0.924 E:0.021 N:0.019 T:0.012 K:0.008 S:0.007
 73 ( 1461): K:0.308 N:0.297 T:0.292 D:0.057 S:0.018 E:0.010
 74 ( 1476): S:0.774 A:0.099 P:0.049 G:0.023 T:0.018 N:0.017
 75 ( 1459): S:0.416 K:0.348 Q:0.112 T:0.028 A:0.022 R:0.020
 76 ( 1408): S:0.565 N:0.354 T:0.023 K:0.016 G:0.007 R:0.007
 77 ( 1413): T:0.661 Q:0.141 I:0.100 S:0.036 N:0.012 K:0.009
 78 ( 1455): A:0.438 L:0.282 V:0.174 F:0.055 Y:0.025 G:0.006
 79 ( 1473): Y:0.756 F:0.134 S:0.035 D:0.018 H:0.018 R:0.011
 80 ( 1486): L:0.576 M:0.386 F:0.016 I:0.007 T:0.005 V:0.003
 81 ( 1479): Q:0.721 K:0.120 E:0.093 S:0.010 T:0.010 D:0.009
 82 ( 1486): L:0.531 M:0.405 I:0.038 S:0.007 V:0.007 W:0.007
 82a( 1444): S:0.380 N:0.377 R:0.128 T:0.053 L:0.014 D:0.008
 82b( 1472): S:0.733 N:0.078 A:0.066 K:0.029 T:0.027 G:0.025
 82c( 1479): L:0.825 V:0.131 M:0.017 -:0.015 P:0.009 G:0.001
 83 ( 1476): T:0.521 R:0.281 Q:0.080 K:0.074 A:0.012 D:0.010
 84 ( 1512): S:0.558 A:0.213 T:0.140 P:0.036 N:0.018 V:0.011
 85 ( 1496): E:0.820 D:0.097 A:0.042 S:0.009 N:0.008 V:0.007
 86 ( 1400): D:0.980 E:0.008 N:0.003 A:0.003 G:0.002 T:0.001
 87 ( 1506): T:0.562 S:0.409 M:0.011 A:0.007 P:0.003 F:0.002
 88 ( 1618): A:0.947 G:0.040 V:0.004 P:0.003 T:0.002 L:0.001
 89 ( 1590): V:0.431 T:0.283 I:0.107 M:0.105 L:0.053 R:0.009
 90 ( 1619): Y:0.989 F:0.004 H:0.002 L:0.001 A:0.001 G:0.001
 91 ( 1682): Y:0.787 F:0.202 H:0.004 C:0.002 N:0.001 S:0.001
 92 ( 1687): C:0.995 S:0.002 A:0.001 M:0.001 P:0.001 V:0.001
 93 ( 1676): A:0.846 T:0.078 V:0.026 G:0.016 S:0.012 M:0.009
 94 ( 1668): R:0.810 K:0.045 S:0.031 T:0.025 G:0.023 P:0.013
 95 ( 1450): D:0.197 G:0.145 S:0.128 Y:0.100 E:0.063 R:0.053
 96 ( 1346): Y:0.194 G:0.170 R:0.081 D:0.061 S:0.052 A:0.050
 97 ( 1318): Y:0.312 G:0.176 -:0.060 D:0.054 L:0.053 N:0.047
 98 ( 1188): Y:0.268 G:0.184 -:0.141 D:0.055 S:0.054 L:0.045
 99 ( 1056): -:0.233 G:0.202 Y:0.141 S:0.107 R:0.047 D:0.038
100 (  857): -:0.371 S:0.134 G:0.125 Y:0.096 D:0.038 W:0.035
100a(  658): -:0.511 S:0.120 Y:0.101 G:0.071 D:0.027 R:0.024
100b(  482): -:0.638 Y:0.108 S:0.044 G:0.043 W:0.040 R:0.020
100c(  293): -:0.778 Y:0.051 S:0.036 G:0.034 D:0.016 W:0.014
100d(  183): -:0.859 Y:0.028 G:0.018 D:0.012 S:0.011 V:0.008
100e(  126): -:0.903 Y:0.035 G:0.012 A:0.010 P:0.006 S:0.005
100f(   91): -:0.930 Y:0.019 C:0.005 D:0.005 P:0.005 G:0.005
100g(   60): -:0.954 Y:0.015 G:0.009 Q:0.003 V:0.003 D:0.002
100h(   41): -:0.968 Y:0.008 T:0.005 D:0.004 A:0.003 G:0.003
100i(   37): -:0.971 A:0.009 Y:0.005 G:0.003 X:0.002 L:0.002
100j(  906): Y:0.315 -:0.305 A:0.163 W:0.070 G:0.026 F:0.021
100k( 1152): F:0.577 M:0.173 -:0.126 L:0.042 V:0.018 S:0.012
101 ( 1278): D:0.704 A:0.166 -:0.034 N:0.013 I:0.013 V:0.011
102 ( 1307): Y:0.712 V:0.167 S:0.021 F:0.020 H:0.017 I:0.015
103 ( 1274): W:0.980 A:0.005 L:0.004 D:0.002 F:0.002 E:0.002
104 ( 1233): G:0.984 Y:0.007 A:0.003 H:0.002 S:0.002 T:0.002
105 ( 1017): Q:0.766 A:0.095 T:0.062 P:0.029 R:0.018 W:0.010
106 ( 1095): G:0.995 R:0.002 P:0.001 T:0.001 Y:0.001 -:0.001
107 ( 1039): T:0.962 Q:0.010 S:0.008 A:0.006 V:0.005 I:0.003
108 ( 1019): T:0.412 L:0.343 S:0.188 M:0.026 G:0.011 P:0.006
109 (  985): V:0.738 L:0.248 T:0.011 I:0.001 M:0.001 X:0.001
110 (  984): T:0.972 L:0.008 A:0.007 S:0.005 I:0.003 V:0.002
111 (  915): V:0.987 A:0.003 I:0.002 L:0.002 C:0.001 F:0.001
112 (  894): S:0.970 T:0.027 G:0.001 R:0.001 V:0.001
113 (  831): S:0.767 A:0.211 V:0.012 P:0.004 T:0.004 E:0.002

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