4I1M

Crystal structure of the Legionella pneumophila GAP domain of LepB

External Resource: Annotation

Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	LepB_N	e4i1mA3	A: alpha bundles	X: LepB GAP domain N-terminal subdomain (From Topology)	H: LepB GAP domain N-terminal subdomain (From Topology)	T: LepB GAP domain N-terminal subdomain	F: LepB_N	ECOD (1.6)
A	LepB_C	e4i1mA4	A: alpha bundles	X: LepB GAP domain C-terminal subdomain (From Topology)	H: LepB GAP domain C-terminal subdomain (From Topology)	T: LepB GAP domain C-terminal subdomain	F: LepB_C	ECOD (1.6)
B	LepB_N	e4i1mB1	A: alpha bundles	X: LepB GAP domain N-terminal subdomain (From Topology)	H: LepB GAP domain N-terminal subdomain (From Topology)	T: LepB GAP domain N-terminal subdomain	F: LepB_N	ECOD (1.6)
B	LepB_C	e4i1mB2	A: alpha bundles	X: LepB GAP domain C-terminal subdomain (From Topology)	H: LepB GAP domain C-terminal subdomain (From Topology)	T: LepB GAP domain C-terminal subdomain	F: LepB_C	ECOD (1.6)
C	LepB_N	e4i1mC1	A: alpha bundles	X: LepB GAP domain N-terminal subdomain (From Topology)	H: LepB GAP domain N-terminal subdomain (From Topology)	T: LepB GAP domain N-terminal subdomain	F: LepB_N	ECOD (1.6)
C	LepB_C	e4i1mC2	A: alpha bundles	X: LepB GAP domain C-terminal subdomain (From Topology)	H: LepB GAP domain C-terminal subdomain (From Topology)	T: LepB GAP domain C-terminal subdomain	F: LepB_C	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.20.120.1700	Mainly Alpha	Up-down Bundle	Four Helix Bundle (Hemerythrin (Met), subunit A)		CATH (4.3.0)
A	1.25.40.830	Mainly Alpha	Alpha Horseshoe	Serine Threonine Protein Phosphatase 5, Tetratricopeptide repeat		CATH (4.3.0)
B	1.20.120.1700	Mainly Alpha	Up-down Bundle	Four Helix Bundle (Hemerythrin (Met), subunit A)		CATH (4.3.0)
B	1.25.40.830	Mainly Alpha	Alpha Horseshoe	Serine Threonine Protein Phosphatase 5, Tetratricopeptide repeat		CATH (4.3.0)
C	1.20.120.1700	Mainly Alpha	Up-down Bundle	Four Helix Bundle (Hemerythrin (Met), subunit A)		CATH (4.3.0)
C	1.25.40.830	Mainly Alpha	Alpha Horseshoe	Serine Threonine Protein Phosphatase 5, Tetratricopeptide repeat		CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C	PF18227	LepB GAP domain C-terminal subdomain (LepB_GAP_C)	LepB GAP domain C-terminal subdomain	This subdomain is found in the Rab1 GTPase-activating protein (GAP) domain of GAP LepB present in Legionella pneumophilia. LepB inactivates Rab1, a key regulator of the secretory vesicular trafficking machinery, by acting as a GTPase-activating prote ...	This subdomain is found in the Rab1 GTPase-activating protein (GAP) domain of GAP LepB present in Legionella pneumophilia. LepB inactivates Rab1, a key regulator of the secretory vesicular trafficking machinery, by acting as a GTPase-activating protein. LepB is also an antagonist of DrrA, which promotes Rab1. LepB acts by an atypical RabGAP mechanism that is reminiscent of classical GAPs. This is the C-terminal subdomain of the GAP domain and consists of an unusual fold [1].	Domain
A, B, C	PF18172	LepB GAP domain N-terminal subdomain (LepB_GAP_N)	LepB GAP domain N-terminal subdomain	This is a subdomain of a Rab GTPase-activating protein (GAP) effector from Legionella pneumophilia. This GAP modulates Rab enzymes that act as molecular switches in regulating vesicular transport in eukaryotic cells. This N-terminal subdomain belongs ...	This is a subdomain of a Rab GTPase-activating protein (GAP) effector from Legionella pneumophilia. This GAP modulates Rab enzymes that act as molecular switches in regulating vesicular transport in eukaryotic cells. This N-terminal subdomain belongs to the the GAP domain of the protein. The catalytic arginine finger (Arg444) is located within this sub-domain and it is the only arginine residue required for GAP activity [1].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C	LepB	-	-	membrane cellular anatomical entity

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C	IPR041585	LepB GAP domain, N-terminal subdomain	Domain
A, B, C	IPR040484	LepB GAP domain, C-terminal subdomain	Domain
A, B, C	IPR040519	LepB, N-terminal	Domain

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.