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3H2X

Crystal Structure of The Human Lymphoid Tyrosine Phosphatase Catalytic Domain

Functional Information from GO Data
ChainGOidnamespacecontents
A0004725molecular_functionprotein tyrosine phosphatase activity
A0004726molecular_functionnon-membrane spanning protein tyrosine phosphatase activity
A0006470biological_processprotein dephosphorylation
A0016311biological_processdephosphorylation
Functional Information from PDB Data
site_idAC1
Number of Residues10
DetailsBINDING SITE FOR RESIDUE PO4 A 900
ChainResidue
ACYS227
AHOH929
ASER228
AALA229
AGLY230
ACYS231
AGLY232
AARG233
ATHR234
AGLN274

site_idAC2
Number of Residues6
DetailsBINDING SITE FOR RESIDUE PO4 A 901
ChainResidue
AMET130
AGLU131
ATYR132
AHIS189
ALYS191
AHOH321

site_idAC3
Number of Residues7
DetailsBINDING SITE FOR RESIDUE PO4 A 902
ChainResidue
AVAL48
ALYS51
ALYS53
AASN54
ASER82
ASER83
AHOH931

site_idAC4
Number of Residues5
DetailsBINDING SITE FOR RESIDUE PO4 A 903
ChainResidue
AGLU131
ATYR132
ALYS137
AHOH314
AHOH923

site_idAC5
Number of Residues5
DetailsBINDING SITE FOR RESIDUE PO4 A 904
ChainResidue
AARG233
AGLN278
AHOH338
AHOH987
AHOH1107

Functional Information from PROSITE/UniProt
site_idPS00383
Number of Residues11
DetailsTYR_PHOSPHATASE_1 Tyrosine specific protein phosphatases active site. IHCsaGcgRTG
ChainResidueDetails
AILE225-GLY235

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues265
DetailsDomain: {"description":"Tyrosine-protein phosphatase","evidences":[{"source":"PROSITE-ProRule","id":"PRU00160","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
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_FI3
Number of Residues7
DetailsBinding site: {"evidences":[{"source":"Reference","evidenceCode":"ECO:0000269","citation":{"citationType":"submission","publicationDate":"DEC-2009","submissionDatabase":"PDB data bank","title":"Lyp/PTPN22 phosphatase domain: substrate recognition and specificity for Src family kinases.","authors":["Seidel R.D.","Love J.","Piserchio A.","Cowburn D."]}}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues1
DetailsModified residue: {"description":"Phosphoserine; by PKC/PRKCD","evidences":[{"source":"PubMed","id":"18056643","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues6
DetailsAnnotated By Reference To The Literature 1ytw
ChainResidueDetails
AHIS226
ATHR234
AGLU133
AASP195
AARG233
ACYS227

site_idCSA2
Number of Residues4
DetailsAnnotated By Reference To The Literature 1ytw
ChainResidueDetails
AASP195
ATHR234
AARG233
ACYS227

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PDB entries from 2025-07-30

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