Consensus terms for the S1 domain 

RS1H_BACSU/1-71  EVGSVLD-GKVQRLTD------FGAFVDIG-------------GIDGLVHISQLSHSH--
CONSENSUS/80%    t.sthh..uhlhph.........shhlpl..............thpuhl.hpph..t...
CONSENSUS/65%    phGphlp.GhVhplps......hGhhVcls.............shpGhl.hsphspp...
CONSENSUS/50%    chGsllc.GpVsslss......tGsaV-lss............shcGllplSclsssh..


RS1H_BACSU/1-71  -------------------------------------------VEKPSDVVEEGQEVKVK
CONSENSUS/80%    ..................................................ht.sp.l.sh
CONSENSUS/65%    ...............................................tphhphGpplpsp
CONSENSUS/50%    ...........................................htpspctlclG-clclc


RS1H_BACSU/1-71  VLSVDRDN--------ERISLSIK
CONSENSUS/80%    lhthp.t.........ttl.lshp
CONSENSUS/65%    lhphstpp........tpltLohc
CONSENSUS/50%    Vlcl-pcp........s+lsLoh+

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