7EGK | pdb_00007egk

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)
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)
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)
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)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
F [auth B]	SCOP2B Superfamily	GlnB-like	8086166	3001165	SCOP2B (2022-06-29)
D [auth F]	SCOP2B Superfamily	GlnB-like	8086166	3001165	SCOP2B (2022-06-29)
B [auth D]	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)
F [auth B]	P-II_1	e7egkB1	A: a+b two layers	X: Alpha-beta plaits	H: GlnB-like (From Topology)	T: GlnB-like	F: P-II_1	ECOD (1.6)
D [auth F]	P-II_1	e7egkF1	A: a+b two layers	X: Alpha-beta plaits	H: GlnB-like (From Topology)	T: GlnB-like	F: P-II_1	ECOD (1.6)
B [auth D]	P-II_1	e7egkD1	A: a+b two layers	X: Alpha-beta plaits	H: GlnB-like (From Topology)	T: GlnB-like	F: P-II_1	ECOD (1.6)
E	F_UNCLASSIFIED	e7egkE1	A: alpha complex topology	X: Cation-proton antiporter	H: Cation-proton antiporter (CPA) (From Topology)	T: Cation-proton antiporter (CPA)	F: F_UNCLASSIFIED	ECOD (1.6)
C	F_UNCLASSIFIED	e7egkC1	A: alpha complex topology	X: Cation-proton antiporter	H: Cation-proton antiporter (CPA) (From Topology)	T: Cation-proton antiporter (CPA)	F: F_UNCLASSIFIED	ECOD (1.6)
A	F_UNCLASSIFIED	e7egkA1	A: alpha complex topology	X: Cation-proton antiporter	H: Cation-proton antiporter (CPA) (From Topology)	T: Cation-proton antiporter (CPA)	F: F_UNCLASSIFIED	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
B [auth D], D [auth F], F [auth B]	PF00543	Nitrogen regulatory protein P-II (P-II)	Nitrogen regulatory protein P-II	P-II modulates the activity of glutamine synthetase. It is a tetrameric protein encoded by the glnB gene, a component of the adenylation cascade involved in the regulation of GS activity [1,2].	Domain
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
B [auth D], D [auth F], F [auth B]	Membrane-associated protein SbtB	enzyme regulator activity molecular function regulator activity	response to nutrient levels regulation of response to nutrient levels regulation of biological process response to stimulus homeostatic process nitrogen utilization biological regulation regulation of nitrogen utilization cellular homeostasis chemical homeostasis regulation of response to stimulus intracellular nitrogen homeostasis intracellular chemical homeostasis	intracellular anatomical structure plasma membrane-derived chromatophore membrane membrane plasma membrane intracellular membraneless organelle plasma membrane-derived chromatophore thylakoid membrane intracellular organelle cell periphery cellular anatomical structure plasma membrane-derived thylakoid membrane organelle membraneless organelle plasma membrane region intracellular anatomical structure plasma membrane-derived chromatophore membrane membrane plasma membrane intracellular membraneless organelle plasma membrane-derived chromatophore thylakoid membrane intracellular organelle cell periphery cellular anatomical structure plasma membrane-derived thylakoid membrane organelle membraneless organelle plasma membrane region bacterial thylakoid cytoplasm photosynthetic membrane thylakoid
A, C, E	Sodium-dependent bicarbonate transporter SbtA	-	-	cellular anatomical structure membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
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
B [auth D], D [auth F], F [auth B]	IPR002187	Nitrogen regulatory protein PII	Family
A, C, E	IPR010293	Na+-dependent bicarbonate transporter superfamily	Family

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 R01GM157729.