Annotations: 7OIU

Inner Membrane Complex (IMC) protomer structure (TrwM/VirB3, TrwK/VirB4, TrwG/VirB8tails) from the fully-assembled R388 type IV secretion system determined by cryo-EM.

External Resource: Annotation

Domain Annotation: ECOD Classification
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Membrane Protein Annotation: OPM
Membrane Protein Annotation: PDBTM

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
F	MIF4G	e7oiuF1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: acid protease	F: MIF4G	ECOD (v294.2)
E	MIF4G	e7oiuE1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: acid protease	F: MIF4G	ECOD (v294.2)
D	MIF4G	e7oiuD1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: acid protease	F: MIF4G	ECOD (v294.2)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
D, E, F	TrwG protein	-	establishment of protein localization transport secretion establishment of protein localization to extracellular region export from cell protein secretion establishment of localization protein localization to extracellular region transmembrane transport localization secretion by cell protein transmembrane transport protein transport protein secretion by the type IV secretion system macromolecule localization establishment of protein localization transport secretion establishment of protein localization to extracellular region export from cell protein secretion establishment of localization protein localization to extracellular region transmembrane transport localization secretion by cell protein transmembrane transport protein transport protein secretion by the type IV secretion system macromolecule localization cellular process secretion by the type IV secretion system intracellular protein localization	cellular anatomical structure membrane
B [auth A], C [auth B]	TrwK protein	binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding pyrophosphatase activity ATP hydrolysis activity ribonucleoside triphosphate phosphatase activity hydrolase activity, acting on acid anhydrides, in phosphorus-containing anhydrides hydrolase activity hydrolase activity, acting on acid anhydrides catalytic activity ATP-dependent activity	-	-
A [auth C]	TrwM protein	-	-	cellular anatomical structure membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
D, E, F	IPR032710	NTF2-like domain superfamily	Homologous Superfamily
D, E, F	IPR007430	Bacterial virulence protein VirB8-like	Domain
D, E, F	IPR026264	VirB8/PtlE	Unknown
B [auth A], C [auth B]	IPR043964	TraG, P-loop domain	Domain
B [auth A], C [auth B]	IPR018145	Type IV secretion system ATPase VirB4/TrbE, middle domain	Domain
B [auth A], C [auth B]	IPR051162	T4SS_component	Unknown
B [auth A], C [auth B]	IPR004346	Type IV secretion system ATPase VirB4/TrbE	Family
B [auth A], C [auth B]	IPR027417	P-loop containing nucleoside triphosphate hydrolase	Homologous Superfamily
A [auth C]	IPR007792	Type IV secretion system VirB3/TrbD-like	Family

Membrane Protein Annotation: OPM OPM Database Homepage

Chains	External Link	Type	Class	Superfamily	Family
A [auth C], B [auth A], C [auth B], D, E A [auth C], B [auth A], C [auth B], D, E, F	OPM	Transmembrane	Alpha-helical polytopic	Type IV secretory system	CagE, TrbE, VirB component of type IV transporter system

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

Chains	External Link	Comment
A [auth C], B [auth A], C [auth B], D, E A [auth C], B [auth A], C [auth B], D, E, F	PDBTM	Annotated as membrane protein by PDBTM

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