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4Y1H

Crystal structure of K33 linked tri-Ubiquitin

Functional Information from PDB Data
site_idAC1
Number of Residues8
Detailsbinding site for residue EDO A 101
ChainResidue
APHE4
ALYS6
ATHR12
AGLU18
APRO19
ASER20
AGLN31
ATHR66

site_idAC2
Number of Residues9
Detailsbinding site for residue EDO A 102
ChainResidue
AASP32
AGLY35
APHE45
AALA46
AGLY47
ATHR66
AHIS68
AHOH217
AGLN31

site_idAC3
Number of Residues5
Detailsbinding site for residue EDO A 103
ChainResidue
ATHR7
ALEU8
ATHR9
ALEU69
ALEU71

site_idAC4
Number of Residues5
Detailsbinding site for residue EDO A 104
ChainResidue
ASER20
AASP39
AGLN40
AGLU64
AARG74

Functional Information from PROSITE/UniProt
site_idPS00299
Number of Residues26
DetailsUBIQUITIN_1 Ubiquitin domain signature. KakIqDkegIPpdqQrLIFaGkqleD
ChainResidueDetails
ALYS27-ASP52

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues75
DetailsDomain: {"description":"Ubiquitin-like","evidences":[{"source":"PROSITE-ProRule","id":"PRU00214","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues2
DetailsSite: {"description":"Interacts with activating enzyme"}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues1
DetailsSite: {"description":"Essential for function"}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues1
DetailsModified residue: {"description":"Phosphoserine; by PINK1","evidences":[{"source":"UniProtKB","id":"P62979","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues1
DetailsModified residue: {"description":"ADP-ribosylglycine","evidences":[{"source":"UniProtKB","id":"P62979","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI6
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_FI7
Number of Residues2
DetailsCross-link: {"description":"Glycyl lysine isopeptide (Gly-Lys) (interchain with K-? in acceptor proteins)"}
ChainResidueDetails

239492

PDB entries from 2025-07-30

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