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2A3K

Crystal Structure of the Human Protein Tyrosine Phosphatase, PTPN7 (HePTP, Hematopoietic Protein Tyrosine 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 Residues10
DetailsBINDING SITE FOR RESIDUE PO4 A 501
ChainResidue
AHOH14
AGLN335
AASP257
ACYS291
ASER292
AALA293
AGLY294
AILE295
AGLY296
AARG297

site_idAC2
Number of Residues5
DetailsBINDING SITE FOR RESIDUE PO4 A 502
ChainResidue
AHOH17
ATHR195
AGLN196
ASER292
AARG297

site_idAC3
Number of Residues10
DetailsBINDING SITE FOR RESIDUE PO4 A 503
ChainResidue
APRO81
ALEU82
ATHR83
AALA86
ASER263
AALA264
AGLY265
AHIS345
ALEU349
APO4504

site_idAC4
Number of Residues3
DetailsBINDING SITE FOR RESIDUE PO4 A 504
ChainResidue
AHIS80
AGLY265
APO4503

Functional Information from PROSITE/UniProt
site_idPS00383
Number of Residues11
DetailsTYR_PHOSPHATASE_1 Tyrosine specific protein phosphatases active site. VHCsaGigRTG
ChainResidueDetails
AVAL289-GLY299

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"},{"source":"PubMed","id":"9624114","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues8
DetailsBinding site: {}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues1
DetailsModified residue: {"description":"Phosphothreonine","evidences":[{"source":"PubMed","id":"10206983","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"18088087","evidenceCode":"ECO:0007744"},{"source":"PubMed","id":"23186163","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues1
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"PubMed","id":"10206983","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues1
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"PubMed","id":"23186163","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues1
DetailsModified residue: {"description":"Cysteine sulfenic acid (-SOH)","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues5
DetailsAnnotated By Reference To The Literature 1ytw
ChainResidueDetails
ACYS291
AASP257
ATHR298
AARG297
AHIS290

site_idCSA2
Number of Residues4
DetailsAnnotated By Reference To The Literature 1ytw
ChainResidueDetails
ACYS291
AASP257
ATHR298
AARG297

245011

PDB entries from 2025-11-19

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