3TUF | pdb_00003tuf

Structure of the SpoIIQ-SpoIIIAH pore forming complex.

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Membrane Protein Annotation: mpstruc

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B [auth A]	SCOP2 Family	Stage III sporulation protein SpoIIIAH-like	8047793	4005821	SCOP2 (2022-06-29)
B [auth A]	SCOP2 Superfamily	BON domain-like	8092180	3002566	SCOP2 (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A [auth B]	Peptidase_M23	e3tufB1	A: a+b complex topology	X: alpha/beta-Hammerhead/Barrel-sandwich hybrid	H: alpha/beta-Hammerhead/Barrel-sandwich hybrid	T: Duplicated hybrid motif	F: Peptidase_M23	ECOD (1.6)
B [auth A]	SpoIIIAH	e3tufA1	A: a+b two layers	X: Alpha-lytic protease prodomain-like	H: Ring-building motif I in type III secretion system (From Topology)	T: Ring-building motif I in type III secretion system	F: SpoIIIAH	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A [auth B]	2.70.70.10	Mainly Beta	Distorted Sandwich	Glucose Permease (Domain IIA)	Glucose Permease (Domain IIA)	CATH (4.3.0)
B [auth A]	1.10.287.4300	Mainly Alpha	Orthogonal Bundle	Helix Hairpins	Stage III sporulation protein AH-like	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A [auth B]	PF01551	Peptidase family M23 (Peptidase_M23)	Peptidase family M23	Members of this family are zinc metallopeptidases with a range of specificities. The peptidase family M23 is included in this family, these are Gly-Gly endopeptidases. Peptidase family M23 are also endopeptidases. This family also includes some bacte ...	Members of this family are zinc metallopeptidases with a range of specificities. The peptidase family M23 is included in this family, these are Gly-Gly endopeptidases. Peptidase family M23 are also endopeptidases. This family also includes some bacterial lipoproteins such as Swiss:P33648 for which no proteolytic activity has been demonstrated. This family also includes leukocyte cell-derived chemotaxin 2 (LECT2) proteins. LECT2 is a liver-specific protein which is thought to be linked to hepatocyte growth although the exact function of this protein is unknown.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A [auth B]	Stage II sporulation protein Q	peptidase activity catalytic activity, acting on a protein metalloendopeptidase activity hydrolase activity metallopeptidase activity catalytic activity endopeptidase activity	sporulation resulting in formation of a cellular spore developmental process anatomical structure morphogenesis anatomical structure formation involved in morphogenesis anatomical structure development sporulation	cellular anatomical structure membrane endospore-forming forespore intracellular immature spore
B [auth A]	Stage III sporulation protein AH	-	sporulation resulting in formation of a cellular spore developmental process anatomical structure morphogenesis anatomical structure formation involved in morphogenesis anatomical structure development sporulation	cell periphery cellular anatomical structure plasma membrane membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A [auth B]	IPR050570	Bacterial cell wall metabolism enzyme	Family
A [auth B]	IPR016047	M23ase, beta-sheet core domain	Domain
A [auth B]	IPR011055	Duplicated hybrid motif	Homologous Superfamily
B [auth A]	IPR024232	Stage III sporulation protein AH-like	Family
B [auth A]	IPR038503	Stage III sporulation protein AH-like superfamily	Homologous Superfamily

Membrane Protein Annotation: mpstruc mpstruc Database Homepage

Chains	Resource Link	Group	Subgroup	Protein
A [auth B], B [auth A]	mpstruc	TRANSMEMBRANE PROTEINS: ALPHA-HELICAL	Channels: Intercellular	SpoIIQ-SpoIIIAH Complex

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.