Annotations: 6VQR

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
E		e6vqrE1	A: a/b three-layered sandwiches	X: cradle loop barrel	H: N-terminal domain of poxin	T: N-terminal domain of poxin	F:	ECOD (v294.1)
D		e6vqrD1	A: a/b three-layered sandwiches	X: cradle loop barrel	H: N-terminal domain of poxin	T: N-terminal domain of poxin	F:	ECOD (v294.1)
C		e6vqrC1	A: a/b three-layered sandwiches	X: cradle loop barrel	H: N-terminal domain of poxin	T: N-terminal domain of poxin	F:	ECOD (v294.1)
B		e6vqrB1	A: a/b three-layered sandwiches	X: cradle loop barrel	H: N-terminal domain of poxin	T: N-terminal domain of poxin	F:	ECOD (v294.1)
A		e6vqrA1	A: a/b three-layered sandwiches	X: cradle loop barrel	H: N-terminal domain of poxin	T: N-terminal domain of poxin	F:	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
E	1.20.1080.10	Mainly Alpha	Up-down Bundle	Glycerol uptake facilitator protein	Glycerol uptake facilitator protein.	CATH (utative)
D	1.20.1080.10	Mainly Alpha	Up-down Bundle	Glycerol uptake facilitator protein	Glycerol uptake facilitator protein.	CATH (utative)
C	1.20.1080.10	Mainly Alpha	Up-down Bundle	Glycerol uptake facilitator protein	Glycerol uptake facilitator protein.	CATH (utative)
B	1.20.1080.10	Mainly Alpha	Up-down Bundle	Glycerol uptake facilitator protein	Glycerol uptake facilitator protein.	CATH (utative)
A	1.20.1080.10	Mainly Alpha	Up-down Bundle	Glycerol uptake facilitator protein	Glycerol uptake facilitator protein.	CATH (utative)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D, E	PF01226	Formate/nitrite transporter (Form_Nir_trans)	Formate/nitrite transporter	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D, E	Formate-nitrite transporter	monoatomic cation transmembrane transporter activity proton transmembrane transporter activity solute:monoatomic cation symporter activity lactate transmembrane transporter activity carboxylic acid transmembrane transporter activity lactate:proton symporter activity secondary active transmembrane transporter activity secondary active monocarboxylate transmembrane transporter activity active transmembrane transporter activity solute:proton symporter activity monoatomic ion transmembrane transporter activity transporter activity monocarboxylic acid transmembrane transporter activity transmembrane transporter activity monoatomic cation transmembrane transporter activity proton transmembrane transporter activity solute:monoatomic cation symporter activity lactate transmembrane transporter activity carboxylic acid transmembrane transporter activity lactate:proton symporter activity secondary active transmembrane transporter activity secondary active monocarboxylate transmembrane transporter activity active transmembrane transporter activity solute:proton symporter activity monoatomic ion transmembrane transporter activity transporter activity monocarboxylic acid transmembrane transporter activity transmembrane transporter activity symporter activity high-affinity secondary active nitrite transmembrane transporter activity nitrate transmembrane transporter activity	organic anion transport lactate transmembrane transport carboxylic acid transmembrane transport carboxylic acid transport transport organic hydroxy compound transport establishment of localization transmembrane transport organic acid transport lactate transport localization monocarboxylic acid transport cellular process nitrogen compound transport organic anion transport lactate transmembrane transport carboxylic acid transmembrane transport carboxylic acid transport transport organic hydroxy compound transport establishment of localization transmembrane transport organic acid transport lactate transport localization monocarboxylic acid transport cellular process nitrogen compound transport nitrite transport inorganic anion transport	cell periphery cellular anatomical structure plasma membrane membrane vacuolar membrane membrane-bounded organelle intracellular anatomical structure vacuole intracellular membrane-bounded organelle intracellular organelle bounding membrane of organelle organelle cytoplasm organelle membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D, E	IPR023271	Aquaporin-like	Homologous Superfamily
A, B, C, D, E	IPR024002	Formate/nitrite transporter, conserved site	Conserved Site
A, B, C, D, E	IPR000292	Formate/nitrite transporter	Family

Membrane Protein Annotation: OPM OPM Database Homepage

Chains	External Link	Type	Class	Superfamily	Family
A, B, C, D, E	OPM	Transmembrane	Alpha-helical polytopic	Major Intrinsic Protein (MIP)/FNT superfamily	Formate/Nitrite transporter (FNT) family

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

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

Membrane Protein Annotation: MemProtMD MemProtMD Database Homepage

Chains	External Link	Comment
A, B, C, D, E	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	mpstruc	TRANSMEMBRANE PROTEINS: ALPHA-HELICAL	Channels : Formate/Nitrite Transporter (FNT) Family	Formate-nitrite transporter PfFNT

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.