1CSY:
reference: Solution structure of the C-terminal SH2 domain of the human tyrosine kinase Syk complexed with a phosphotyrosine pentapeptide., Narula SS, Yuan RW, Adams SE, Green OM, Green J, Philips TB, Zydowsky LD, Botfield MC, Hatada M, Laird ER, et al., Structure 1995 Oct 15;3(10):1061-73. PMID: 8590001

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