5TCQ | pdb_00005tcq

Near-atomic resolution cryo-EM structure of the Salmonella SPI-1 type III secretion injectisome secretin InvG

External Resource: Annotation

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

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
M	Secretin	e5tcqM1	A: beta barrels	X: secretin domain (From Topology)	H: secretin domain (From Topology)	T: secretin domain	F: Secretin	ECOD (1.6)
M	Secretin_N	e5tcqM2	A: a+b two layers	X: Alpha-lytic protease prodomain-like	H: Ring-building motif II in type III secretion system (From Topology)	T: Ring-building motif II in type III secretion system	F: Secretin_N	ECOD (1.6)
O	Secretin	e5tcqO1	A: beta barrels	X: secretin domain (From Topology)	H: secretin domain (From Topology)	T: secretin domain	F: Secretin	ECOD (1.6)
O	Secretin_N	e5tcqO2	A: a+b two layers	X: Alpha-lytic protease prodomain-like	H: Ring-building motif II in type III secretion system (From Topology)	T: Ring-building motif II in type III secretion system	F: Secretin_N	ECOD (1.6)
N	Secretin	e5tcqN1	A: beta barrels	X: secretin domain (From Topology)	H: secretin domain (From Topology)	T: secretin domain	F: Secretin	ECOD (1.6)
N	Secretin_N	e5tcqN2	A: a+b two layers	X: Alpha-lytic protease prodomain-like	H: Ring-building motif II in type III secretion system (From Topology)	T: Ring-building motif II in type III secretion system	F: Secretin_N	ECOD (1.6)
L	Secretin	e5tcqL1	A: beta barrels	X: secretin domain (From Topology)	H: secretin domain (From Topology)	T: secretin domain	F: Secretin	ECOD (1.6)
L	Secretin_N	e5tcqL2	A: a+b two layers	X: Alpha-lytic protease prodomain-like	H: Ring-building motif II in type III secretion system (From Topology)	T: Ring-building motif II in type III secretion system	F: Secretin_N	ECOD (1.6)
K	Secretin	e5tcqK1	A: beta barrels	X: secretin domain (From Topology)	H: secretin domain (From Topology)	T: secretin domain	F: Secretin	ECOD (1.6)
K	Secretin_N	e5tcqK2	A: a+b two layers	X: Alpha-lytic protease prodomain-like	H: Ring-building motif II in type III secretion system (From Topology)	T: Ring-building motif II in type III secretion system	F: Secretin_N	ECOD (1.6)
J	Secretin	e5tcqJ1	A: beta barrels	X: secretin domain (From Topology)	H: secretin domain (From Topology)	T: secretin domain	F: Secretin	ECOD (1.6)
J	Secretin_N	e5tcqJ2	A: a+b two layers	X: Alpha-lytic protease prodomain-like	H: Ring-building motif II in type III secretion system (From Topology)	T: Ring-building motif II in type III secretion system	F: Secretin_N	ECOD (1.6)
I	Secretin	e5tcqI1	A: beta barrels	X: secretin domain (From Topology)	H: secretin domain (From Topology)	T: secretin domain	F: Secretin	ECOD (1.6)
I	Secretin_N	e5tcqI2	A: a+b two layers	X: Alpha-lytic protease prodomain-like	H: Ring-building motif II in type III secretion system (From Topology)	T: Ring-building motif II in type III secretion system	F: Secretin_N	ECOD (1.6)
H	Secretin	e5tcqH1	A: beta barrels	X: secretin domain (From Topology)	H: secretin domain (From Topology)	T: secretin domain	F: Secretin	ECOD (1.6)
H	Secretin_N	e5tcqH2	A: a+b two layers	X: Alpha-lytic protease prodomain-like	H: Ring-building motif II in type III secretion system (From Topology)	T: Ring-building motif II in type III secretion system	F: Secretin_N	ECOD (1.6)
G	Secretin	e5tcqG1	A: beta barrels	X: secretin domain (From Topology)	H: secretin domain (From Topology)	T: secretin domain	F: Secretin	ECOD (1.6)
G	Secretin_N	e5tcqG2	A: a+b two layers	X: Alpha-lytic protease prodomain-like	H: Ring-building motif II in type III secretion system (From Topology)	T: Ring-building motif II in type III secretion system	F: Secretin_N	ECOD (1.6)
F	Secretin	e5tcqF1	A: beta barrels	X: secretin domain (From Topology)	H: secretin domain (From Topology)	T: secretin domain	F: Secretin	ECOD (1.6)
F	Secretin_N	e5tcqF2	A: a+b two layers	X: Alpha-lytic protease prodomain-like	H: Ring-building motif II in type III secretion system (From Topology)	T: Ring-building motif II in type III secretion system	F: Secretin_N	ECOD (1.6)
E	Secretin	e5tcqE1	A: beta barrels	X: secretin domain (From Topology)	H: secretin domain (From Topology)	T: secretin domain	F: Secretin	ECOD (1.6)
E	Secretin_N	e5tcqE2	A: a+b two layers	X: Alpha-lytic protease prodomain-like	H: Ring-building motif II in type III secretion system (From Topology)	T: Ring-building motif II in type III secretion system	F: Secretin_N	ECOD (1.6)
D	Secretin	e5tcqD1	A: beta barrels	X: secretin domain (From Topology)	H: secretin domain (From Topology)	T: secretin domain	F: Secretin	ECOD (1.6)
D	Secretin_N	e5tcqD2	A: a+b two layers	X: Alpha-lytic protease prodomain-like	H: Ring-building motif II in type III secretion system (From Topology)	T: Ring-building motif II in type III secretion system	F: Secretin_N	ECOD (1.6)
C	Secretin	e5tcqC1	A: beta barrels	X: secretin domain (From Topology)	H: secretin domain (From Topology)	T: secretin domain	F: Secretin	ECOD (1.6)
C	Secretin_N	e5tcqC2	A: a+b two layers	X: Alpha-lytic protease prodomain-like	H: Ring-building motif II in type III secretion system (From Topology)	T: Ring-building motif II in type III secretion system	F: Secretin_N	ECOD (1.6)
B	Secretin	e5tcqB1	A: beta barrels	X: secretin domain (From Topology)	H: secretin domain (From Topology)	T: secretin domain	F: Secretin	ECOD (1.6)
B	Secretin_N	e5tcqB2	A: a+b two layers	X: Alpha-lytic protease prodomain-like	H: Ring-building motif II in type III secretion system (From Topology)	T: Ring-building motif II in type III secretion system	F: Secretin_N	ECOD (1.6)
A	Secretin	e5tcqA1	A: beta barrels	X: secretin domain (From Topology)	H: secretin domain (From Topology)	T: secretin domain	F: Secretin	ECOD (1.6)
A	Secretin_N	e5tcqA2	A: a+b two layers	X: Alpha-lytic protease prodomain-like	H: Ring-building motif II in type III secretion system (From Topology)	T: Ring-building motif II in type III secretion system	F: Secretin_N	ECOD (1.6)

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, I, J, K, L, M, N, O	PF03958	Bacterial type II/III secretion system short domain (Secretin_N)	Bacterial type II/III secretion system short domain	This is a short, often repeated, domain found in bacterial type II/III secretory system proteins. All previous NolW-like domains fall into this family.	Domain
A, B, C, D, E A, B, C, D, E, F, G, H, I, J, K, L, M, N, O	PF00263	Bacterial type II and III secretion system protein (Secretin)	Bacterial type II and III secretion system protein	-	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, I, J, K, L, M, N, O	Protein InvG	identical protein binding protein binding binding	establishment of protein localization nitrogen compound transport transport secretion establishment of protein localization to extracellular region export from cell protein secretion establishment of localization protein localization to extracellular region localization secretion by cell protein transport macromolecule localization cellular process establishment of protein localization nitrogen compound transport transport secretion establishment of protein localization to extracellular region export from cell protein secretion establishment of localization protein localization to extracellular region localization secretion by cell protein transport macromolecule localization cellular process intracellular protein localization protein secretion by the type III secretion system transmembrane transport protein transmembrane transport	protein-containing complex type II protein secretion system complex type III protein secretion system complex cell periphery cell outer membrane cellular anatomical structure external encapsulating structure membrane cell envelope outer membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D, E A, B, C, D, E, F, G, H, I, J, K, L, M, N, O	IPR050810	Bacterial Secretion System Channel Protein	Family
A, B, C, D, E A, B, C, D, E, F, G, H, I, J, K, L, M, N, O	IPR005644	NolW-like	Domain
A, B, C, D, E A, B, C, D, E, F, G, H, I, J, K, L, M, N, O	IPR004846	Type II/III secretion system, secretin-like domain	Domain
A, B, C, D, E A, B, C, D, E, F, G, H, I, J, K, L, M, N, O	IPR038591	NolW-like superfamily	Homologous Superfamily
A, B, C, D, E A, B, C, D, E, F, G, H, I, J, K, L, M, N, O	IPR003522	Type III secretion system outer membrane pore YscC/HrcC	Family
A, B, C, D, E A, B, C, D, E, F, G, H, I, J, K, L, M, N, O	IPR004845	Type II secretion system protein GspD, conserved site	Conserved Site
A, B, C, D, E A, B, C, D, E, F, G, H, I, J, K, L, M, N, O	IPR049034	SPI-1 type 3 secretion system secretin, N0 domain	Domain

Membrane Protein Annotation: OPM OPM Database Homepage

Chains	External Link	Type	Class	Superfamily	Family
A, B, C, D, E A, B, C, D, E, F, G, H, I, J, K, L, M, N, O	OPM	Transmembrane	Beta-barrel transmembrane	Outer bacterial membrane secretin	Outer bacterial membrane secretion

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, I, J, K, L, M, N, O	mpstruc	TRANSMEMBRANE PROTEINS: BETA-BARREL	Type III Secretion Systems	T3S injectisome basal body