7EGK

Bicarbonate transporter complex SbtA-SbtB bound to AMP

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Membrane Protein Annotation: OPM
Membrane Protein Annotation: PDBTM
Membrane Protein Annotation: MemProtMD
Membrane Protein Annotation: mpstruc

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
B [auth D]	d7egkd_	Alpha and beta proteins (a+b)	Ferredoxin-like	GlnB-like	automated matches	automated matches	(Synechocystis sp. PCC 6803 substr. Kazusa ) [TaxId: 1111708 ],	SCOPe (2.08)
D [auth F]	d7egkf_	Alpha and beta proteins (a+b)	Ferredoxin-like	GlnB-like	automated matches	automated matches	(Synechocystis sp. PCC 6803 substr. Kazusa ) [TaxId: 1111708 ],	SCOPe (2.08)
F [auth B]	d7egkb_	Alpha and beta proteins (a+b)	Ferredoxin-like	GlnB-like	automated matches	automated matches	(Synechocystis sp. PCC 6803 substr. Kazusa ) [TaxId: 1111708 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B [auth D]	SCOP2B Superfamily	GlnB-like	8086166	3001165	SCOP2B (2022-06-29)
D [auth F]	SCOP2B Superfamily	GlnB-like	8086166	3001165	SCOP2B (2022-06-29)
F [auth B]	SCOP2B Superfamily	GlnB-like	8086166	3001165	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	PF05982	e7egkA1	A: alpha complex topology	X: Cation-proton antiporter	H: Cation-proton antiporter (CPA) (From Topology)	T: Cation-proton antiporter (CPA)	F: PF05982	ECOD (1.6)
C	PF05982	e7egkC1	A: alpha complex topology	X: Cation-proton antiporter	H: Cation-proton antiporter (CPA) (From Topology)	T: Cation-proton antiporter (CPA)	F: PF05982	ECOD (1.6)
E	PF05982	e7egkE1	A: alpha complex topology	X: Cation-proton antiporter	H: Cation-proton antiporter (CPA) (From Topology)	T: Cation-proton antiporter (CPA)	F: PF05982	ECOD (1.6)
B [auth D]	PF00543	e7egkD1	A: a+b two layers	X: Alpha-beta plaits	H: GlnB-like (From Topology)	T: GlnB-like	F: PF00543	ECOD (1.6)
D [auth F]	PF00543	e7egkF1	A: a+b two layers	X: Alpha-beta plaits	H: GlnB-like (From Topology)	T: GlnB-like	F: PF00543	ECOD (1.6)
F [auth B]	PF00543	e7egkB1	A: a+b two layers	X: Alpha-beta plaits	H: GlnB-like (From Topology)	T: GlnB-like	F: PF00543	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, C, E	PF05982	Na+-dependent bicarbonate transporter superfamily (Sbt_1)	Na+-dependent bicarbonate transporter superfamily	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, C, E	Sodium-dependent bicarbonate transporter SbtA	-	-	membrane cellular anatomical entity
B [auth D], D [auth F], F [auth B]	Membrane-associated protein SbtB	-	-	intracellular anatomical structure plasma membrane-derived chromatophore membrane membrane plasma membrane plasma membrane-derived chromatophore cellular anatomical entity thylakoid membrane intracellular organelle cell periphery plasma membrane-derived thylakoid membrane organelle intracellular non-membrane-bounded organelle plasma membrane region bacterial thylakoid intracellular anatomical structure plasma membrane-derived chromatophore membrane membrane plasma membrane plasma membrane-derived chromatophore cellular anatomical entity thylakoid membrane intracellular organelle cell periphery plasma membrane-derived thylakoid membrane organelle intracellular non-membrane-bounded organelle plasma membrane region bacterial thylakoid cytoplasm photosynthetic membrane thylakoid non-membrane-bounded organelle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, C, E	IPR010293	Na+-dependent bicarbonate transporter superfamily	Family
B [auth D], D [auth F], F [auth B]	IPR015867	Nitrogen regulatory protein PII/ATP phosphoribosyltransferase, C-terminal	Homologous Superfamily
B [auth D], D [auth F], F [auth B]	IPR011322	Nitrogen regulatory PII-like, alpha/beta	Homologous Superfamily

Membrane Protein Annotation: OPM OPM Database Homepage

Chains	External Link	Type	Class	Superfamily	Family
A, B [auth D], C, D [auth F], E A, B [auth D], C, D [auth F], E, F [auth B]	OPM	Transmembrane	Alpha-helical polytopic	Monovalent cation-proton antiporter	Na+-dependent bicarbonate transporter

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

Chains	External Link	Comment
A, B [auth D], C, D [auth F], E A, B [auth D], C, D [auth F], E, F [auth B]	PDBTM	Annotated as membrane protein by PDBTM

Membrane Protein Annotation: MemProtMD MemProtMD Database Homepage

Chains	External Link	Comment
A, B [auth D], C, D [auth F], E A, B [auth D], C, D [auth F], E, F [auth B]	MemProtMD	Annotated as membrane protein by MemProtMD

Membrane Protein Annotation: mpstruc mpstruc Database Homepage

Chains	Resource Link	Group	Subgroup	Protein
A, B [auth D], C, D [auth F], E A, B [auth D], C, D [auth F], E, F [auth B]	mpstruc	TRANSMEMBRANE PROTEINS: ALPHA-HELICAL	Solute Sodium Symporter (SSS) Family	SbtA-SbtB Na⁺ dependent bicarbonate transporter complex bound to HCO₃^-

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 R01GM133198.