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2A78

Crystal structure of the C3bot-RalA complex reveals a novel type of action of a bacterial exoenzyme

Functional Information from GO Data
ChainGOidnamespacecontents
A0003924molecular_functionGTPase activity
A0005525molecular_functionGTP binding
A0007165biological_processsignal transduction
A0016020cellular_componentmembrane
B0005576cellular_componentextracellular region
B0016740molecular_functiontransferase activity
B0016757molecular_functionglycosyltransferase activity
B0016763molecular_functionpentosyltransferase activity
B0016779molecular_functionnucleotidyltransferase activity
B1990404molecular_functionNAD+-protein mono-ADP-ribosyltransferase activity
Functional Information from PDB Data
site_idAC1
Number of Residues6
DetailsBINDING SITE FOR RESIDUE MG A 400
ChainResidue
ASER28
AGDP500
AHOH501
AHOH517
AHOH653
AHOH657

site_idAC2
Number of Residues23
DetailsBINDING SITE FOR RESIDUE GDP A 500
ChainResidue
ALYS27
ASER28
AALA29
AGLU41
AASP42
AASN127
ALYS128
AASP130
ALEU131
ASER157
AALA158
ALYS159
AMG400
AHOH501
AHOH506
AHOH513
AHOH517
AHOH537
AHOH559
AHOH653
AGLY24
AVAL25
AGLY26

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues8
DetailsMotif: {"description":"Effector region"}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues14
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"15809419","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"16177825","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues1
DetailsGlycosylation: {"description":"(Microbial infection) O-linked (Glc) threonine; by P.sordellii toxin TcsL","evidences":[{"source":"PubMed","id":"8858106","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues199
DetailsDomain: {"description":"TR mART core","evidences":[{"source":"PROSITE-ProRule","id":"PRU01340","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues3
DetailsActive site: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU01340","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues13
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"12029083","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"16177825","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues1
DetailsSite: {"description":"Transition state stabilizer"}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues1
DetailsAnnotated By Reference To The Literature 1ksj
ChainResidueDetails
AGLN72

site_idCSA2
Number of Residues1
DetailsAnnotated By Reference To The Literature 1ksj
ChainResidueDetails
BGLU214

site_idMCSA1
Number of Residues2
DetailsM-CSA 824
ChainResidueDetails
BSER174electrostatic stabiliser, polar interaction
BGLU214electrostatic stabiliser, polar interaction, proton acceptor, proton donor

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PDB entries from 2025-10-15

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