Consensus terms for the RING domain 

O16681/1-45      CKVCNENYSDVDE--------------------SHVPRVLT-CGH--SICQSCAAKQMS-
CONSENSUS/80%    C.lChp.................. ............hhh..CtH...hp..Ch.thh..
CONSENSUS/65%    CslChp.................. .........ptshhhs.CsHh..aChtClpphht.
CONSENSUS/50%    CsIChcp................. ........hpsshlhs.CuHt..FCpsClpphhpt


O16681/1-45      ---------------------------------------------------NSLILCKTC
CONSENSUS/80%    ..............              ...........................tCPhC
CONSENSUS/65%    ..............              ...........................pCPhC
CONSENSUS/50%    t.............              ..........................hpCPlC

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