Consensus terms for the ChtBD2 domain 

YKC5_CAEEL/1-0   QDCTN-----------ALDGLYALGE------CEPQFLTCSGG---------IARIMDCP
CONSENSUS/80%    ..C................thhs.........Cpt.ah.C.ts...........h.h.C.
CONSENSUS/65%    ..Cst.............sshhsps.......Csp.ahhC.ss.........t.h.hpCs
CONSENSUS/50%    spCss............tsGhassspp.....Css.YapCssG.........pshttsCs


YKC5_CAEEL/1-0   AD-LIYNEPLL-------ICDWRHN-----------VIGCEG
CONSENSUS/80%    .s.hhas.t..........C...................C..
CONSENSUS/65%    su.hhFs.ptt.......tCshspp.............tCt.
CONSENSUS/50%    sG.hhFssssp.......pCcasss............spCss

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