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Table 1 Consensus sequences of the eight canonical LRR classes [4, 5].

From: LRRML: a conformational database and an XML description of leucine-rich repeats (LRRs)

Classes

HCS

VS

Typical type (T)

LxxLxLxxNxL

xxLxxxxLxxLxx

Bacterial type (S)

LxxLxLxxNxL

xxLPx(x)LPxx

Ribonuclease inhibitor-like type (RI)

LxxLxLxxNxL

xxxxxxxLxxxLxxxxx

SDS22-like type (SDS22)

LxxLxLxxNxL

xxLxxLxxLxx

Cysteine-containing type (CC)

LxxLxLxxCxxL

TDxxxxxLxxxCxx

Plant-specific type (PS)

LxxLxLxxNxL

xxxLPxxLGxLxx

Treponema pallidum type (Tp)

LxxLxLPxxLxx

LxxxAFxxCxx

CD42b type (CD42b)

LxxLxLxxNxL

xxLPxxxxxxxxx

  1. L: Leu, Ile, Val, Phe; N: Asn, Thr, Ser, Cys; P: Pro; T: Thr; D: Asp; G: Gly; A: Ala; F: Phe; C: Cys; x: random residues.