4KWB

Structure of signal peptide peptidase A with C-termini bound in the active sites: insights into specificity, self-processing and regulation

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)
A	SCOP2B Superfamily	ClpP/crotonase	8053628	3000033	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	ClpP/crotonase	8053628	3000033	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	ClpP/crotonase	8053628	3000033	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	ClpP/crotonase	8053628	3000033	SCOP2B (2022-06-29)
E	SCOP2B Superfamily	ClpP/crotonase	8053628	3000033	SCOP2B (2022-06-29)
F	SCOP2B Superfamily	ClpP/crotonase	8053628	3000033	SCOP2B (2022-06-29)
G	SCOP2B Superfamily	ClpP/crotonase	8053628	3000033	SCOP2B (2022-06-29)
H	SCOP2B Superfamily	ClpP/crotonase	8053628	3000033	SCOP2B (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	Peptidase_S49	e4kwbA1	A: a/b three-layered sandwiches	X: ClpP/crotonase (From Topology)	H: ClpP/crotonase (From Topology)	T: ClpP/crotonase	F: Peptidase_S49	ECOD (1.6)
B	Peptidase_S49	e4kwbB1	A: a/b three-layered sandwiches	X: ClpP/crotonase (From Topology)	H: ClpP/crotonase (From Topology)	T: ClpP/crotonase	F: Peptidase_S49	ECOD (1.6)
C	Peptidase_S49	e4kwbC1	A: a/b three-layered sandwiches	X: ClpP/crotonase (From Topology)	H: ClpP/crotonase (From Topology)	T: ClpP/crotonase	F: Peptidase_S49	ECOD (1.6)
D	Peptidase_S49	e4kwbD1	A: a/b three-layered sandwiches	X: ClpP/crotonase (From Topology)	H: ClpP/crotonase (From Topology)	T: ClpP/crotonase	F: Peptidase_S49	ECOD (1.6)
E	Peptidase_S49	e4kwbE1	A: a/b three-layered sandwiches	X: ClpP/crotonase (From Topology)	H: ClpP/crotonase (From Topology)	T: ClpP/crotonase	F: Peptidase_S49	ECOD (1.6)
F	Peptidase_S49	e4kwbF1	A: a/b three-layered sandwiches	X: ClpP/crotonase (From Topology)	H: ClpP/crotonase (From Topology)	T: ClpP/crotonase	F: Peptidase_S49	ECOD (1.6)
G	Peptidase_S49	e4kwbG1	A: a/b three-layered sandwiches	X: ClpP/crotonase (From Topology)	H: ClpP/crotonase (From Topology)	T: ClpP/crotonase	F: Peptidase_S49	ECOD (1.6)
H	Peptidase_S49	e4kwbH1	A: a/b three-layered sandwiches	X: ClpP/crotonase (From Topology)	H: ClpP/crotonase (From Topology)	T: ClpP/crotonase	F: Peptidase_S49	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.90.226.10	Alpha Beta	Alpha-Beta Complex	2-enoyl-CoA Hydratase	Chain A, domain 1	CATH (4.3.0)
A	6.20.330.10	Special	Other non-globular	peptide peptidase (sppa) fold		CATH (4.3.0)
B	3.90.226.10	Alpha Beta	Alpha-Beta Complex	2-enoyl-CoA Hydratase	Chain A, domain 1	CATH (4.3.0)
B	6.20.330.10	Special	Other non-globular	peptide peptidase (sppa) fold		CATH (4.3.0)
C	3.90.226.10	Alpha Beta	Alpha-Beta Complex	2-enoyl-CoA Hydratase	Chain A, domain 1	CATH (4.3.0)
C	6.20.330.10	Special	Other non-globular	peptide peptidase (sppa) fold		CATH (4.3.0)
D	3.90.226.10	Alpha Beta	Alpha-Beta Complex	2-enoyl-CoA Hydratase	Chain A, domain 1	CATH (4.3.0)
D	6.20.330.10	Special	Other non-globular	peptide peptidase (sppa) fold		CATH (4.3.0)
E	3.90.226.10	Alpha Beta	Alpha-Beta Complex	2-enoyl-CoA Hydratase	Chain A, domain 1	CATH (4.3.0)
E	6.20.330.10	Special	Other non-globular	peptide peptidase (sppa) fold		CATH (4.3.0)
F	3.90.226.10	Alpha Beta	Alpha-Beta Complex	2-enoyl-CoA Hydratase	Chain A, domain 1	CATH (4.3.0)
F	6.20.330.10	Special	Other non-globular	peptide peptidase (sppa) fold		CATH (4.3.0)
G	3.90.226.10	Alpha Beta	Alpha-Beta Complex	2-enoyl-CoA Hydratase	Chain A, domain 1	CATH (4.3.0)
G	6.20.330.10	Special	Other non-globular	peptide peptidase (sppa) fold		CATH (4.3.0)
H	3.90.226.10	Alpha Beta	Alpha-Beta Complex	2-enoyl-CoA Hydratase	Chain A, domain 1	CATH (4.3.0)
H	6.20.330.10	Special	Other non-globular	peptide peptidase (sppa) fold		CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D, E A, B, C, D, E, F, G, H	PF01343	Peptidase family S49 (Peptidase_S49)	Peptidase family S49	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D, E A, B, C, D, E, F, G, H	Signal peptide peptidase SppA	peptidase activity serine hydrolase activity catalytic activity, acting on a protein serine-type peptidase activity hydrolase activity catalytic activity	organic substance metabolic process organonitrogen compound metabolic process proteolysis metabolic process primary metabolic process protein metabolic process macromolecule metabolic process	cell periphery plasma membrane membrane cellular anatomical entity membrane microdomain membrane raft

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D, E A, B, C, D, E, F, G, H	IPR029045	ClpP/crotonase-like domain superfamily	Homologous Superfamily
A, B, C, D, E A, B, C, D, E, F, G, H	IPR047272	Signal peptide peptidase A-like, C-terminal	Domain
A, B, C, D, E A, B, C, D, E, F, G, H	IPR002142	Peptidase S49	Domain
A, B, C, D, E A, B, C, D, E, F, G, H	IPR004635	Peptidase S49, SppA	Domain

Membrane Protein Annotation: mpstruc mpstruc Database Homepage

Chains	Resource Link	Group	Subgroup	Protein
A, B, C, D, E A, B, C, D, E, F, G, H	mpstruc	TRANSMEMBRANE PROTEINS: ALPHA-HELICAL	Intramembrane Proteases	Signal Peptide Peptidase (SppA) K199A mutant showing C-terminal peptide bound in eight active sites

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.