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2PA5

Crystal structure of human protein tyrosine phosphatase PTPN9

Functional Information from GO Data
ChainGOidnamespacecontents
A0004725molecular_functionprotein tyrosine phosphatase activity
A0006470biological_processprotein dephosphorylation
A0016311biological_processdephosphorylation
B0004725molecular_functionprotein tyrosine phosphatase activity
B0006470biological_processprotein dephosphorylation
B0016311biological_processdephosphorylation
Functional Information from PDB Data
site_idAC1
Number of Residues4
DetailsBINDING SITE FOR RESIDUE CL A 591
ChainResidue
ATHR402
ALYS411
ASER516
AHOH761

site_idAC2
Number of Residues3
DetailsBINDING SITE FOR RESIDUE CL B 590
ChainResidue
BARG332
BARG410
BHOH764

site_idAC3
Number of Residues1
DetailsBINDING SITE FOR RESIDUE CL A 592
ChainResidue
AARG332

site_idAC4
Number of Residues6
DetailsBINDING SITE FOR RESIDUE SCN A 601
ChainResidue
AILE481
APHE574
ALYS577
AHOH750
AHOH919
AALA478

site_idAC5
Number of Residues5
DetailsBINDING SITE FOR RESIDUE EDO B 701
ChainResidue
ASER475
BASP335
BALA517
BGLN559
BHOH733

site_idAC6
Number of Residues7
DetailsBINDING SITE FOR RESIDUE EDO B 702
ChainResidue
BGLY365
BTYR366
BGLN368
BALA371
BTYR372
BASP529
BILE530

site_idAC7
Number of Residues7
DetailsBINDING SITE FOR RESIDUE EDO A 703
ChainResidue
AGLN289
AARG425
AGLY427
AMET580
AVAL581
ASER582
AHOH921

site_idAC8
Number of Residues8
DetailsBINDING SITE FOR RESIDUE EDO A 704
ChainResidue
APRO474
ASER475
APHE566
ALYS569
AALA570
AGLU573
AHOH809
AHOH845

site_idAC9
Number of Residues5
DetailsBINDING SITE FOR RESIDUE EDO B 705
ChainResidue
ALEU466
BARG312
BHOH771
BHOH786
BHOH823

Functional Information from PROSITE/UniProt
site_idPS00383
Number of Residues11
DetailsTYR_PHOSPHATASE_1 Tyrosine specific protein phosphatases active site. VHCsaGigRTG
ChainResidueDetails
AVAL513-GLY523

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues2
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 Residues15
DetailsBinding site: {"evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues6
DetailsAnnotated By Reference To The Literature 1ytw
ChainResidueDetails
AARG521
AHIS514
AGLU406
ATHR522
ACYS515
AASP470

site_idCSA2
Number of Residues5
DetailsAnnotated By Reference To The Literature 1ytw
ChainResidueDetails
BARG521
BGLU406
BHIS514
BCYS515
BTHR522

site_idCSA3
Number of Residues4
DetailsAnnotated By Reference To The Literature 1ytw
ChainResidueDetails
AARG521
AASP470
ATHR522
ACYS515

site_idCSA4
Number of Residues3
DetailsAnnotated By Reference To The Literature 1ytw
ChainResidueDetails
BARG521
BTHR522
BCYS515

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PDB entries from 2025-09-24

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