Consensus terms for the PHD domain 

CHD4_HUMAN/1-44  FCR--VCKD----------------------------------GGELLCCD--TCP-SSY
CONSENSUS/80%    hC...hCtt...................................t.hl.Cp..tCt.t.h
CONSENSUS/65%    hC...hCtp..................................ssthltCs..tCp.pha
CONSENSUS/50%    hCt..lCscs................................sssphlpC-..sCs.psa


CHD4_HUMAN/1-44  HI-HCLNPPLP-----------------------------------------------EI
CONSENSUS/80%    H...Cht.....................................................
CONSENSUS/65%    Hh.tCht.sht.................................................
CONSENSUS/50%    Hh.sClshstp...............................................th


CHD4_HUMAN/1-44  PNGEWLCPRCT
CONSENSUS/80%    ...tahC..C.
CONSENSUS/65%    .ptpahC.pCp
CONSENSUS/50%    ssspWhCspCp

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