Title : A novel, specific interaction involving the Csk SH3 domain and its natural ligand.

Pub. Date : 2001 Nov

PMID : 11685249






4 Functional Relationships(s)
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Compound Name
Protein Name
Organism
1 C-terminal Src kinase (Csk) takes part in a highly specific, high affinity interaction via its Src homology 3 (SH3) domain with the proline-enriched tyrosine phosphatase PEP in hematopoietic cells. Proline prolyl endopeptidase Homo sapiens
2 The solution structure of the Csk-SH3 domain in complex with a 25-residue peptide from the Pro/Glu/Ser/Thr-rich (PEST) domain of PEP reveals the basis for this specific peptide recognition motif involving an SH3 domain. Proline prolyl endopeptidase Homo sapiens
3 Three residues, Ala 40, Thr 42 and Lys 43, in the SH3 domain of Csk specifically recognize two hydrophobic residues, Ile 625 and Val 626, in the proline-rich sequence of the PEST domain of PEP. Proline prolyl endopeptidase Homo sapiens
4 These two residues are C-terminal to the conventional proline-rich SH3 domain recognition sequence of PEP. Proline prolyl endopeptidase Homo sapiens