Annotations: 4NH2

Crystal structure of AmtB from E. coli bound to phosphatidylglycerol

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
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: 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	d4nh2b1	Membrane and cell surface proteins and peptides	Ammonium transporter	Ammonium transporter	automated matches	automated matches	(Escherichia coli BL21(DE3) ) [TaxId: 469008 ],	SCOPe (2.08)
B	d4nh2b2	Artifacts	Tags	Tags	Tags	N-terminal Tags	(Escherichia coli BL21(DE3) ) [TaxId: 469008 ],	SCOPe (2.08)
F	d4nh2f1	Membrane and cell surface proteins and peptides	Ammonium transporter	Ammonium transporter	automated matches	automated matches	(Escherichia coli BL21(DE3) ) [TaxId: 469008 ],	SCOPe (2.08)
F	d4nh2f2	Artifacts	Tags	Tags	Tags	N-terminal Tags	(Escherichia coli BL21(DE3) ) [TaxId: 469008 ],	SCOPe (2.08)
E	d4nh2e1	Membrane and cell surface proteins and peptides	Ammonium transporter	Ammonium transporter	automated matches	automated matches	(Escherichia coli BL21(DE3) ) [TaxId: 469008 ],	SCOPe (2.08)
E	d4nh2e2	Artifacts	Tags	Tags	Tags	N-terminal Tags	(Escherichia coli BL21(DE3) ) [TaxId: 469008 ],	SCOPe (2.08)
D	d4nh2d1	Membrane and cell surface proteins and peptides	Ammonium transporter	Ammonium transporter	automated matches	automated matches	(Escherichia coli BL21(DE3) ) [TaxId: 469008 ],	SCOPe (2.08)
D	d4nh2d2	Artifacts	Tags	Tags	Tags	N-terminal Tags	(Escherichia coli BL21(DE3) ) [TaxId: 469008 ],	SCOPe (2.08)
C	d4nh2c1	Membrane and cell surface proteins and peptides	Ammonium transporter	Ammonium transporter	automated matches	automated matches	(Escherichia coli BL21(DE3) ) [TaxId: 469008 ],	SCOPe (2.08)
C	d4nh2c2	Artifacts	Tags	Tags	Tags	N-terminal Tags	(Escherichia coli BL21(DE3) ) [TaxId: 469008 ],	SCOPe (2.08)
A	d4nh2a1	Membrane and cell surface proteins and peptides	Ammonium transporter	Ammonium transporter	automated matches	automated matches	(Escherichia coli BL21(DE3) ) [TaxId: 469008 ],	SCOPe (2.08)
A	d4nh2a2	Artifacts	Tags	Tags	Tags	N-terminal Tags	(Escherichia coli BL21(DE3) ) [TaxId: 469008 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	Ammonium transporter	8082990	4002983	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Ammonium transporter	8082991	3001978	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)
B	CID	e4nh2B1	A: alpha arrays	X: HTH	H: Toll/Interleukin receptor TIR domain	T: Toll/Interleukin receptor TIR domain	F: CID	ECOD (v295.2)
F	CID	e4nh2F1	A: alpha arrays	X: HTH	H: Toll/Interleukin receptor TIR domain	T: Toll/Interleukin receptor TIR domain	F: CID	ECOD (v295.2)
E	CID	e4nh2E1	A: alpha arrays	X: HTH	H: Toll/Interleukin receptor TIR domain	T: Toll/Interleukin receptor TIR domain	F: CID	ECOD (v295.2)
D	CID	e4nh2D1	A: alpha arrays	X: HTH	H: Toll/Interleukin receptor TIR domain	T: Toll/Interleukin receptor TIR domain	F: CID	ECOD (v295.2)
C	CID	e4nh2C1	A: alpha arrays	X: HTH	H: Toll/Interleukin receptor TIR domain	T: Toll/Interleukin receptor TIR domain	F: CID	ECOD (v295.2)
A	CID	e4nh2A1	A: alpha arrays	X: HTH	H: Toll/Interleukin receptor TIR domain	T: Toll/Interleukin receptor TIR domain	F: CID	ECOD (v295.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	1.10.3430.10	Mainly Alpha	Orthogonal Bundle	Ammonium transporter fold	Ammonium transporter AmtB like domains	CATH (4.3.0)
F	1.10.3430.10	Mainly Alpha	Orthogonal Bundle	Ammonium transporter fold	Ammonium transporter AmtB like domains	CATH (4.3.0)
E	1.10.3430.10	Mainly Alpha	Orthogonal Bundle	Ammonium transporter fold	Ammonium transporter AmtB like domains	CATH (4.3.0)
D	1.10.3430.10	Mainly Alpha	Orthogonal Bundle	Ammonium transporter fold	Ammonium transporter AmtB like domains	CATH (4.3.0)
C	1.10.3430.10	Mainly Alpha	Orthogonal Bundle	Ammonium transporter fold	Ammonium transporter AmtB like domains	CATH (4.3.0)
A	1.10.3430.10	Mainly Alpha	Orthogonal Bundle	Ammonium transporter fold	Ammonium transporter AmtB like domains	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	PF00909	Ammonium Transporter Family (Ammonium_transp)	Ammonium Transporter Family	-	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	Ammonia channel	ammonium channel activity passive transmembrane transporter activity channel activity transporter activity transmembrane transporter activity identical protein binding protein binding binding	transmembrane transport localization nitrogen compound transport transport ammonium transmembrane transport cellular process establishment of localization one-carbon compound transport gas transport carbon dioxide transport	cell periphery cellular anatomical structure plasma membrane membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D, E A, B, C, D, E, F	IPR018047	Ammonium transporter, conserved site	Conserved Site
A, B, C, D, E A, B, C, D, E, F	IPR029020	Ammonium/urea transporter	Homologous Superfamily
A, B, C, D, E A, B, C, D, E, F	IPR001905	Ammonium transporter	Family
A, B, C, D, E A, B, C, D, E, F	IPR024041	Ammonium transporter AmtB-like domain	Domain

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

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

Membrane Protein Annotation: MemProtMD MemProtMD Database Homepage

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

Membrane Protein Annotation: mpstruc mpstruc Database Homepage

Chains	Resource Link	Group	Subgroup	Protein
A, B, C, D, E A, B, C, D, E, F	mpstruc	TRANSMEMBRANE PROTEINS: ALPHA-HELICAL	Channels: Amt/Mep/Rh proteins	AmtB ammonia channel in complex with phosphatidylglycerol

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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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.