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3RCE

Bacterial oligosaccharyltransferase PglB

Functional Information from GO Data
ChainGOidnamespacecontents
A0000287molecular_functionmagnesium ion binding
A0004576molecular_functionoligosaccharyl transferase activity
A0005886cellular_componentplasma membrane
A0006486biological_processobsolete protein glycosylation
A0006487biological_processprotein N-linked glycosylation
A0009101biological_processglycoprotein biosynthetic process
A0016020cellular_componentmembrane
A0016740molecular_functiontransferase activity
A0016757molecular_functionglycosyltransferase activity
A0046872molecular_functionmetal ion binding
Functional Information from PDB Data
site_idAC1
Number of Residues3
DetailsBINDING SITE FOR RESIDUE MG A 725
ChainResidue
AASP56
AASP154
AGLU319

site_idAC2
Number of Residues3
DetailsBINDING SITE FOR RESIDUE MG A 726
ChainResidue
AGLN73
AASP76
AASP475

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues249
DetailsTransmembrane: {"description":"Helical","evidences":[{"source":"PubMed","id":"21677752","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues77
DetailsTopological domain: {"description":"Periplasmic","evidences":[{"source":"PubMed","id":"21677752","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues23
DetailsTopological domain: {"description":"Cytoplasmic","evidences":[{"source":"PubMed","id":"21677752","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues2
DetailsRegion: {"description":"Interacts with target acceptor peptide in protein substrate","evidences":[{"source":"PubMed","id":"21677752","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues2
DetailsMotif: {"description":"DXD motif 1","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues2
DetailsMotif: {"description":"DXD motif 2","evidences":[{"source":"PubMed","id":"21677752","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues3
DetailsMotif: {"description":"TIXE motif","evidences":[{"source":"UniProtKB","id":"O29867","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues4
DetailsMotif: {"description":"WWDYG motif","evidences":[{"source":"UniProtKB","id":"O29918","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI9
Number of Residues7
DetailsMotif: {"description":"MI motif","evidences":[{"source":"UniProtKB","id":"O29918","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI10
Number of Residues3
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"21677752","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI11
Number of Residues4
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"29058712","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI12
Number of Residues3
DetailsSite: {"description":"Interacts with target acceptor peptide in protein substrate","evidences":[{"source":"PubMed","id":"21677752","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI13
Number of Residues1
DetailsSite: {"description":"Important for catalytic activity","evidences":[{"source":"PubMed","id":"21677752","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI14
Number of Residues1
DetailsSite: {"description":"Interacts with target acceptor peptide in protein substrate; important for extended sequon recognition","evidences":[{"source":"PubMed","id":"21677752","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI15
Number of Residues2
DetailsGlycosylation: {"description":"N-linked (DATDGlc) asparagine","evidences":[{"source":"PubMed","id":"21677752","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

246704

PDB entries from 2025-12-24

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