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3D44

Crystal structure of HePTP in complex with a dually phosphorylated Erk2 peptide mimetic

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 CL A 2
ChainResidue
ATYR137
AGLN288
AHOH345
AHOH469
AHOH476

site_idAC2
Number of Residues4
DetailsBINDING SITE FOR RESIDUE CL A 3
ChainResidue
ATHR62
ASER242
AALA243
AHIS324

site_idAC3
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CL A 4
ChainResidue
ATRP64
AARG68
AARG135
ALEU307
AHOH608
AHOH609

site_idAC4
Number of Residues8
DetailsBINDING SITE FOR RESIDUE GOL A 1
ChainResidue
ALYS140
AGLU141
ALYS142
APRO263
AGLY264
APRO265
AHOH362
AHOH507

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

242199

PDB entries from 2025-09-24

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