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2BIJ

Crystal structure of the human protein tyrosine phosphatase PTPN5 (STEP, striatum enriched enriched Phosphatase)

Functional Information from GO Data
ChainGOidnamespacecontents
A0004725molecular_functionprotein tyrosine phosphatase activity
A0006470biological_processprotein dephosphorylation
A0016311biological_processdephosphorylation
Functional Information from PDB Data
site_idAC1
Number of Residues5
DetailsBINDING SITE FOR RESIDUE SO4 A1538
ChainResidue
ATRP435
ALYS439
AARG478
AGLN520
AHOH2094

Functional Information from PROSITE/UniProt
site_idPS00383
Number of Residues11
DetailsTYR_PHOSPHATASE_1 Tyrosine specific protein phosphatases active site. VHCsaGigRTG
ChainResidueDetails
AVAL470-GLY480

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1
DetailsActive site: {"description":"Phosphocysteine intermediate","evidences":[{"source":"PROSITE-ProRule","id":"PRU00160","evidenceCode":"ECO:0000255"},{"source":"PROSITE-ProRule","id":"PRU10044","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues2
DetailsBinding site: {"evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues6
DetailsBinding site: {}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues6
DetailsAnnotated By Reference To The Literature 1ytw
ChainResidueDetails
ATHR479
ACYS472
AARG478
AGLU379
AHIS471
AASP437

site_idCSA2
Number of Residues2
DetailsAnnotated By Reference To The Literature 1ytw
ChainResidueDetails
ACYS472
AARG478

site_idCSA3
Number of Residues4
DetailsAnnotated By Reference To The Literature 1ytw
ChainResidueDetails
AARG478
ATHR479
ACYS472
AASP437

239803

PDB entries from 2025-08-06

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