Consensus terms for the PB1 domain 

O64768/191-277   PRDQKLRY-------VGGETRIIRISK-------------TISFQELMHKMKEIFPE---
CONSENSUS/80%    .hthphta........ttphhhh.ht..............shthtplht.ltphht....
CONSENSUS/65%    shphKhpa........ss-hhhhplpt.............shsap-Lhphltphhtht..
CONSENSUS/50%    shclKspY........uu-s+tlslcp.............sloas-Ltsclscphstst.


O64768/191-277   -------ARTI-KYQLPGEDLDALVSVSSDEDLQNMMEECIVFGNGG--------SEKPR
CONSENSUS/80%    ........htl.pY...sp-h-.hl.l.spt-lt.hhp.ht.................hc
CONSENSUS/65%    .......thpl.+Yp..cc-tD.hlslss-pDLppshp.hp...............thl+
CONSENSUS/50%    .......shsl.KYp..D-DuD.LlolsoD-DLcculcphct............tspsl+


O64768/191-277   MFLFSS
CONSENSUS/80%    lhl...
CONSENSUS/65%    lhlh..
CONSENSUS/50%    Lhlpss

The grouping of amino acids to classes and class abbreviation (the key) used within consensus sequences are shown below:

ClassKeyResidues
alcoholoS,T
aliphaticlI,L,V
any.A,C,D,E,F,G,H,I,K,L,M,N,P,Q,R,S,T,V,W,Y
aromaticaF,H,W,Y
chargedcD,E,H,K,R
hydrophobichA,C,F,G,H,I,K,L,M,R,T,V,W,Y
negative-D,E
polarpC,D,E,H,K,N,Q,R,S,T
positive+H,K,R
smallsA,C,D,G,N,P,S,T,V
tinyuA,G,S
turnliketA,C,D,E,G,H,K,N,Q,R,S,T