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9QB1

Yeast 20S proteasome mutant: beta5_T3M in complex with Bortezomib

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. YdlsnSvFSPdGRnfQVEYAvkA
ChainResidueDetails
FTYR4-ALA26
DTYR0-ALA22
ETYR5-ALA27
GTYR3-ALA25
CTYR2-ALA24
ATYR5-ALA27
BTYR5-SER27

site_idPS00854
Number of Residues47
DetailsPROTEASOME_BETA_1 Proteasome beta-type subunits signature. VAMtGkdCVAIACDlrlgsqslgvsnkfe.Kifhyghvflgit.GlaTD
ChainResidueDetails
IVAL12-ASP58
KLEU4-ASP51
JLEU5-ASP52
LLEU13-ASP60
CVAL32-ASP79
bMET4-ASP51
BILE35-ASP82
aILE12-ASP59
HVAL4-ASP51

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues24
DetailsCross-link: {"description":"Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in ubiquitin)","evidences":[{"source":"PubMed","id":"22106047","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues2
DetailsModified residue: {"description":"Phosphothreonine","evidences":[{"source":"PubMed","id":"17287358","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues2
DetailsModified residue: {"description":"Phosphothreonine","evidences":[{"source":"PubMed","id":"17330950","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues2
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"PubMed","id":"17330950","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues2
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"PubMed","id":"17330950","evidenceCode":"ECO:0007744"},{"source":"PubMed","id":"19779198","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues6
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"PubMed","id":"18407956","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues2
DetailsModified residue: {"description":"N-acetylmethionine","evidences":[{"source":"PubMed","id":"22814378","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues2
DetailsBinding site: {}
ChainResidueDetails

Catalytic Information from CSA
site_idMCSA1
Number of Residues7
DetailsM-CSA 177
ChainResidueDetails
HASP17activator, steric locator
HARG19activator
HLYS33activator, electrostatic stabiliser
HGLY47electrostatic stabiliser
HSER129activator, electrostatic stabiliser
HASP166activator, steric locator
HSER169activator, electrostatic stabiliser

site_idMCSA2
Number of Residues7
DetailsM-CSA 177
ChainResidueDetails
VASP17activator, steric locator
VARG19activator
VLYS33activator, electrostatic stabiliser
VGLY47electrostatic stabiliser
VSER129activator, electrostatic stabiliser
VASP166activator, steric locator
VSER169activator, electrostatic stabiliser

242842

PDB entries from 2025-10-08

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