Annotations: 8AB1

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A [auth B]	T2SSM	e8ab1B1	A: a+b two layers	X: RRF/tRNA synthetase additional domain-like	H: General secretion pathway protein M (EpsM) periplasmic domain-related (From Topology)	T: General secretion pathway protein M (EpsM) periplasmic domain-related	F: T2SSM	ECOD (1.6)
C [auth D]	T2SSM	e8ab1D1	A: a+b two layers	X: RRF/tRNA synthetase additional domain-like	H: General secretion pathway protein M (EpsM) periplasmic domain-related (From Topology)	T: General secretion pathway protein M (EpsM) periplasmic domain-related	F: T2SSM	ECOD (1.6)
B [auth C]	T2SSM	e8ab1C1	A: a+b two layers	X: RRF/tRNA synthetase additional domain-like	H: General secretion pathway protein M (EpsM) periplasmic domain-related (From Topology)	T: General secretion pathway protein M (EpsM) periplasmic domain-related	F: T2SSM	ECOD (1.6)
D [auth E]	GspL_C	e8ab1E1	A: a+b two layers	X: RRF/tRNA synthetase additional domain-like	H: General secretion pathway protein M (EpsM) periplasmic domain-related (From Topology)	T: General secretion pathway protein M (EpsM) periplasmic domain-related	F: GspL_C	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A [auth B]	3.30.1360.100	Alpha Beta	2-Layer Sandwich	Gyrase A	domain 2	CATH (utative)
C [auth D]	3.30.1360.100	Alpha Beta	2-Layer Sandwich	Gyrase A	domain 2	CATH (utative)
B [auth C]	3.30.1360.100	Alpha Beta	2-Layer Sandwich	Gyrase A	domain 2	CATH (utative)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A [auth B], C [auth D]	PF04612	Type II secretion system (T2SS), protein M (T2SSM)	Type II secretion system (T2SS), protein M	-	Family
B [auth C]	PF04612	Type II secretion system (T2SS), protein M (T2SSM)	Type II secretion system (T2SS), protein M	-	Family
D [auth E]	PF12693	GspL periplasmic domain (GspL_C)	GspL periplasmic domain	This domain is the periplasmic domain of the GspL/EpsL family proteins. These proteins are involved in type II secretion systems.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A [auth B], C [auth D]	Type II secretion system protein M	-	protein localization protein transport across the cell outer membrane establishment of protein localization cellular localization nitrogen compound transport transport secretion establishment of protein localization to extracellular region export from cell protein secretion by the type II secretion system protein secretion establishment of localization protein localization to extracellular region transmembrane transport localization protein localization protein transport across the cell outer membrane establishment of protein localization cellular localization nitrogen compound transport transport secretion establishment of protein localization to extracellular region export from cell protein secretion by the type II secretion system protein secretion establishment of localization protein localization to extracellular region transmembrane transport localization secretion by cell protein transmembrane transport protein transport cellular macromolecule localization macromolecule localization cellular process	cell periphery cellular anatomical structure plasma membrane membrane protein-containing complex type II protein secretion system complex
B [auth C]	Type II secretion system protein M	-	protein localization protein transport across the cell outer membrane establishment of protein localization cellular localization nitrogen compound transport transport secretion establishment of protein localization to extracellular region export from cell protein secretion by the type II secretion system protein secretion establishment of localization protein localization to extracellular region transmembrane transport localization protein localization protein transport across the cell outer membrane establishment of protein localization cellular localization nitrogen compound transport transport secretion establishment of protein localization to extracellular region export from cell protein secretion by the type II secretion system protein secretion establishment of localization protein localization to extracellular region transmembrane transport localization secretion by cell protein transmembrane transport protein transport cellular macromolecule localization macromolecule localization cellular process	cell periphery cellular anatomical structure plasma membrane membrane protein-containing complex type II protein secretion system complex
D [auth E]	Type II secretion system protein L	-	protein localization protein transport across the cell outer membrane establishment of protein localization cellular localization nitrogen compound transport transport secretion establishment of protein localization to extracellular region export from cell protein secretion by the type II secretion system protein secretion establishment of localization protein localization to extracellular region transmembrane transport localization protein localization protein transport across the cell outer membrane establishment of protein localization cellular localization nitrogen compound transport transport secretion establishment of protein localization to extracellular region export from cell protein secretion by the type II secretion system protein secretion establishment of localization protein localization to extracellular region transmembrane transport localization secretion by cell protein transmembrane transport protein transport cellular macromolecule localization macromolecule localization cellular process	cell periphery cellular anatomical structure plasma membrane membrane protein-containing complex type II protein secretion system complex Gram-negative-bacterium-type cell wall external encapsulating structure cell envelope cell wall peptidoglycan-based cell wall

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A [auth B], C [auth D]	IPR023229	Type II secretion system protein GspM, periplasmic domain superfamily	Homologous Superfamily
A [auth B], C [auth D]	IPR007690	Type II secretion system protein GspM	Family
B [auth C]	IPR023229	Type II secretion system protein GspM, periplasmic domain superfamily	Homologous Superfamily
B [auth C]	IPR007690	Type II secretion system protein GspM	Family
D [auth E]	IPR025691	GspL periplasmic domain	Domain
D [auth E]	IPR043129	ATPase, nucleotide binding domain	Homologous Superfamily
D [auth E]	IPR024230	GspL, cytoplasmic actin-ATPase-like domain	Domain
D [auth E]	IPR007812	Type II secretion system protein GspL	Family

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), 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 R01GM157729.