The Eukaryote Linear Motif resource for Functional Sites in Proteins
 
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Functional site class: SH3 ligand
Functional site description: This motif is involved in protein-protein interaction mediated by SH3 domains
ELMs: LIG_SH3_1 LIG_SH3_2 LIG_SH3_3 LIG_SH3_4 LIG_SH3_5
Description: This is the motif recognized by those SH3 domains with a non-canonical class II recognition specificity
Pattern: KP..[QK]... (Probability: 0.0006781)
Present in taxons: Bos taurus Gallus gallus Homo sapiens Mus musculus Opisthokonta Rattus norvegicus Saccharomyces cerevisiae
Interaction Domain:

SH3_1 (PF00018)
SH3 domain
(Stochiometry: 1 : 1)

o See 2 Instances for LIG_SH3_4


o Abstract

SH3 (Src Homolgy 3) domains are small protein modules of about 50-60 residues. It is found in proteins involved in several biological processes as diverse as signal transduction pathways, cytoskeleton organization, membrane traffic or organelle assembly. SH3 domains bind to proline-rich peptides that form a left-handed polyproline type II helix (PPII) in one of two opposite orientations. Ligand orientation depends on the position of the positive residue in the target peptide. Peptides that bind in a type I orientation contain the consensus R/KXXPXXP, while the type II orientation conform to the PXXPXR/K consensus

o 9 GO-Terms:

o 2 Instances for LIG_SH3_4
(click table headers for sorting)
SequenceStartEndSubsequence
Instance LogicPDB Organism
HCK_HUMAN 248 255 MSSKPQKPWEKDAWEIPRES true positive --- Homo sapiens (Human)
SRC_HUMAN 252 259 TVCPTSKPQTQGLAKDAWEI true positive --- Homo sapiens (Human)

Please cite: ELM - the database of eukaryotic linear motifs (PMID:22110040)

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