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5XU8

Crystal structure of human USP2 in complex with ubiquitin and 6-thioguanine

Functional Information from GO Data
ChainGOidnamespacecontents
A0004843molecular_functioncysteine-type deubiquitinase activity
A0016579biological_processprotein deubiquitination
Functional Information from PDB Data
site_idAC1
Number of Residues11
Detailsbinding site for residue DX4 A 701
ChainResidue
ALEU269
AASP575
ASER576
ACYS276
AASN279
ASER280
AGLN283
ATYR558
ATHR559
AALA560
APHE573

site_idAC2
Number of Residues4
Detailsbinding site for residue ZN A 702
ChainResidue
ACYS425
ACYS428
ACYS476
ACYS479

site_idAC3
Number of Residues4
Detailsbinding site for residue CL A 703
ChainResidue
ASER513
ALYS514
ATHR552
ATHR553

site_idAC4
Number of Residues6
Detailsbinding site for residue CL A 704
ChainResidue
ASER308
ATRP400
AARG493
AHOH891
AHOH906
AHOH947

site_idAC5
Number of Residues4
Detailsbinding site for residue NA A 705
ChainResidue
ASER506
AGLU507
ASER508
ATHR512

site_idAC6
Number of Residues3
Detailsbinding site for residue NA A 706
ChainResidue
ATYR403
AHOH991
BALA46

site_idAC7
Number of Residues4
Detailsbinding site for residue NA A 707
ChainResidue
ASER421
ALYS487
ANA708
BGLU64

site_idAC8
Number of Residues5
Detailsbinding site for residue NA A 708
ChainResidue
ASER421
ALEU423
ASER432
ANA707
BGLU64

site_idAC9
Number of Residues6
Detailsbinding site for residue NA A 709
ChainResidue
ASER308
AASN309
AASP408
ASER409
AASP413
AHOH940

site_idAD1
Number of Residues6
Detailsbinding site for residue CL B 101
ChainResidue
AHOH850
BLYS27
BGLN41
BGLN49
BHOH212
BHOH222

site_idAD2
Number of Residues6
Detailsbinding site for residue CL B 102
ChainResidue
AGLU507
BTHR7
BLEU8
BTHR9
BGLY10
BLYS11

site_idAD3
Number of Residues2
Detailsbinding site for residue CL B 103
ChainResidue
BTHR22
BASN25

Functional Information from PROSITE/UniProt
site_idPS00299
Number of Residues26
DetailsUBIQUITIN_1 Ubiquitin domain signature. KakIqDkegIPpdqQrLIFaGkqleD
ChainResidueDetails
BLYS27-ASP52

site_idPS00972
Number of Residues16
DetailsUSP_1 Ubiquitin specific protease (USP) domain signature 1. GLrnlGNtCFMNSiLQ
ChainResidueDetails
AGLY268-GLN283

site_idPS00973
Number of Residues18
DetailsUSP_2 Ubiquitin specific protease (USP) domain signature 2. YnLyAVsnHsGttmg..GHY
ChainResidueDetails
ATYR541-TYR558

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues100
DetailsRegion: {"description":"Necessary for interaction with MDM4","evidences":[{"source":"PubMed","id":"19838211","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues1
DetailsActive site: {"description":"Nucleophile","evidences":[{"source":"PROSITE-ProRule","id":"PRU10092","evidenceCode":"ECO:0000255"},{"source":"PROSITE-ProRule","id":"PRU10093","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues1
DetailsActive site: {"description":"Proton acceptor","evidences":[{"source":"PROSITE-ProRule","id":"PRU10092","evidenceCode":"ECO:0000255"},{"source":"PROSITE-ProRule","id":"PRU10093","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues4
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"16905103","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues75
DetailsDomain: {"description":"Ubiquitin-like","evidences":[{"source":"PROSITE-ProRule","id":"PRU00214","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues2
DetailsSite: {"description":"Interacts with activating enzyme"}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues1
DetailsSite: {"description":"Essential for function"}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues1
DetailsModified residue: {"description":"Phosphoserine; by PINK1","evidences":[{"source":"UniProtKB","id":"P62979","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI9
Number of Residues1
DetailsModified residue: {"description":"ADP-ribosylglycine","evidences":[{"source":"UniProtKB","id":"P62979","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI10
Number of Residues7
DetailsCross-link: {"description":"Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in ubiquitin)","evidences":[{"source":"UniProtKB","id":"P62979","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI11
Number of Residues2
DetailsCross-link: {"description":"Glycyl lysine isopeptide (Gly-Lys) (interchain with K-? in acceptor proteins)"}
ChainResidueDetails

249697

PDB entries from 2026-02-25

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