Consensus terms for the FHA domain 

DDU78757/1-54    FTVFGRSSE-----------------------VASVLLDHPS--------VSRRHAALV-
CONSENSUS/80%    .hhlGR...........................sph.l.t..........lSp.Hs.l..
CONSENSUS/65%    hhhlGRsp........................ssslhltp.t........lS+pHstlh.
CONSENSUS/50%    shslGRss........................ss-ltLssss........lSRcHAplp.


DDU78757/1-54    ------------YHGAN-------------NRFYLIDLQ-----SATGTQVNDEQV
CONSENSUS/80%    .............ptt................hhl.sht......tssshlstt.h
CONSENSUS/65%    ............hcsss...............hhlhchs......pNGsalNsptl
CONSENSUS/50%    ............hcsss...............ahlpDhu.....SsNGTaVNsc+l

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