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8ZPW

Cryo-EM structure of the yeast Htm1/Pdi1 complex at a resolution of 3.0 angstrom

Functional Information from GO Data
ChainGOidnamespacecontents
A0004571molecular_functionmannosyl-oligosaccharide 1,2-alpha-mannosidase activity
A0005509molecular_functioncalcium ion binding
A0005975biological_processcarbohydrate metabolic process
A0016020cellular_componentmembrane
A1904380biological_processendoplasmic reticulum mannose trimming
A1904382biological_processmannose trimming involved in glycoprotein ERAD pathway
B0003756molecular_functionprotein disulfide isomerase activity
Functional Information from PROSITE/UniProt
site_idPS00014
Number of Residues4
DetailsER_TARGET Endoplasmic reticulum targeting sequence. HDEL
ChainResidueDetails
BHIS519-LEU522

site_idPS00194
Number of Residues19
DetailsTHIOREDOXIN_1 Thioredoxin family active site. LAeFFapWCGHCKnMapeY
ChainResidueDetails
BLEU53-TYR71
BLEU398-TYR416

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1
DetailsActive site: {"description":"Proton donor","evidences":[{"source":"UniProtKB","id":"P31723","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues1
DetailsBinding site: {"evidences":[{"source":"UniProtKB","id":"P32906","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues6
DetailsGlycosylation: {"description":"N-linked (GlcNAc...) asparagine","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues112
DetailsDomain: {"description":"Thioredoxin 1","evidences":[{"source":"PROSITE-ProRule","id":"PRU00691","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues129
DetailsDomain: {"description":"Thioredoxin 2","evidences":[{"source":"PROSITE-ProRule","id":"PRU00691","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues4
DetailsActive site: {"description":"Nucleophile","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues4
DetailsSite: {"description":"Contributes to redox potential value","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues1
DetailsSite: {"description":"Lowers pKa of C-terminal Cys of first active site","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI9
Number of Residues1
DetailsSite: {"description":"Lowers pKa of C-terminal Cys of second active site","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

248335

PDB entries from 2026-01-28

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