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SummaryStructural detailsExperimental detailsFunctional detailsSequence NeighborHistoryDownloads

9RKZ

CryoEM structure of human 20S proteasome in complex with proteasome inhibitor CP-17

This is a non-PDB format compatible entry.
Functional Information from PROSITE/UniProt
site_idPS00388
Number of Residues23
DetailsPROTEASOME_ALPHA_1 Proteasome alpha-type subunits signature. YdsrtTiFSPeGRlyQVEYAmeA
ChainResidueDetails
CTYR5-ALA27
ETYR8-ALA30
BTYR6-ALA28
APHE9-ALA31
DTYR3-ALA25
GTYR8-ALA30
FTYR6-ALA28
site_idPS00854
Number of Residues48
DetailsPROTEASOME_BETA_1 Proteasome beta-type subunits signature. LGIlAndGVLLAAErrnihklldevffse.KiyklnedmacsvaGitSD
ChainResidueDetails
CLEU35-ASP82
cLEU4-ASP51
HMET4-ASP51
NLEU57-ASP104
MLEU41-ASP88
bALA4-ASP51
JMET12-ASP59
KILE5-ASP52
Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues22
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"PubMed","id":"23186163","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails
site_idSWS_FT_FI2
Number of Residues24
DetailsModified residue: {"description":"N6-acetyllysine","evidences":[{"source":"PubMed","id":"19608861","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails
site_idSWS_FT_FI3
Number of Residues2
DetailsModified residue: {"description":"Phosphotyrosine","evidences":[{"source":"UniProtKB","id":"Q9QUM9","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails
site_idSWS_FT_FI4
Number of Residues10
DetailsGlycosylation: {"description":"O-linked (GlcNAc) serine","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails
site_idSWS_FT_FI5
Number of Residues2
DetailsModified residue: {"description":"Phosphotyrosine","evidences":[{"source":"UniProtKB","id":"P49722","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails
site_idSWS_FT_FI6
Number of Residues4
DetailsModified residue: {"description":"Phosphotyrosine","evidences":[{"source":"PubMed","id":"15592455","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails
site_idSWS_FT_FI7
Number of Residues2
DetailsModified residue: {"description":"Phosphotyrosine","evidences":[{"source":"PubMed","id":"23186163","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails
site_idSWS_FT_FI8
Number of Residues2
DetailsModified residue: {"description":"Phosphotyrosine","evidences":[{"source":"UniProtKB","id":"P17220","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails
site_idSWS_FT_FI9
Number of Residues2
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"PubMed","id":"18669648","evidenceCode":"ECO:0007744"},{"source":"PubMed","id":"20068231","evidenceCode":"ECO:0007744"},{"source":"PubMed","id":"23186163","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails
site_idSWS_FT_FI10
Number of Residues2
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"PubMed","id":"17323924","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails
site_idSWS_FT_FI11
Number of Residues2
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"PubMed","id":"24275569","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails
site_idSWS_FT_FI12
Number of Residues2
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"PubMed","id":"16964243","evidenceCode":"ECO:0007744"},{"source":"PubMed","id":"18669648","evidenceCode":"ECO:0007744"},{"source":"PubMed","id":"20068231","evidenceCode":"ECO:0007744"},{"source":"PubMed","id":"23186163","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails
site_idSWS_FT_FI13
Number of Residues2
DetailsModified residue: {"description":"Phosphothreonine","evidences":[{"source":"PubMed","id":"18669648","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails
site_idSWS_FT_FI14
Number of Residues2
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"PubMed","id":"20068231","evidenceCode":"ECO:0007744"},{"source":"PubMed","id":"23186163","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails
site_idSWS_FT_FI15
Number of Residues2
DetailsModified residue: {"description":"Phosphoserine; alternate","evidences":[{"source":"PubMed","id":"23186163","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails
site_idSWS_FT_FI16
Number of Residues2
DetailsGlycosylation: {"description":"O-linked (GlcNAc) serine; alternate","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails
site_idSWS_FT_FI17
Number of Residues6
DetailsCross-link: {"description":"Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in ubiquitin)"}
ChainResidueDetails
site_idSWS_FT_FI18
Number of Residues2
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"PubMed","id":"17323924","evidenceCode":"ECO:0007744"},{"source":"PubMed","id":"23186163","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails
site_idSWS_FT_FI19
Number of Residues2
DetailsModified residue: {"description":"N-acetylserine","evidences":[{"source":"Reference","evidenceCode":"ECO:0000269","citation":{"citationType":"submission","publicationDate":"JUL-2008","submissionDatabase":"UniProtKB","authors":["Bienvenut W.V.","von Kriegsheim A.F.","Kolch W."]}},{"source":"PubMed","id":"19413330","evidenceCode":"ECO:0007744"},{"source":"PubMed","id":"22223895","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails
site_idSWS_FT_FI20
Number of Residues2
DetailsModified residue: {"description":"N-acetylmethionine","evidences":[{"source":"PubMed","id":"19413330","evidenceCode":"ECO:0007744"},{"source":"PubMed","id":"22814378","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails
site_idSWS_FT_FI21
Number of Residues2
DetailsModified residue: {"description":"Phosphotyrosine","evidences":[{"source":"UniProtKB","id":"O09061","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails
site_idSWS_FT_FI22
Number of Residues2
DetailsModified residue: {"description":"Phosphotyrosine; by ABL1 and ABL2","evidences":[{"source":"PubMed","id":"16678104","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails
site_idSWS_FT_FI23
Number of Residues6
DetailsActive site: {"description":"Nucleophile","evidences":[{"source":"PubMed","id":"25599644","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"27493187","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails
site_idSWS_FT_FI24
Number of Residues2
DetailsModified residue: {"description":"Phosphothreonine","evidences":[{"source":"PubMed","id":"23186163","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails
site_idSWS_FT_FI25
Number of Residues2
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"18502982","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"18565852","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"19426847","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

255615

PDB entries from 2026-06-24

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