4OH3

Crystal structure of a nitrate transporter

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
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)
A	d4oh3a_	Membrane and cell surface proteins and peptides	MFS general substrate transporter	MFS general substrate transporter	Proton-dependent oligopeptide transporter (POT or PTR2) / nitrate transporter NRT1 family	NRT1.1	mouse-ear cress,thale-cress (Arabidopsis thaliana ) [TaxId: 3702 ],	SCOPe (2.08)
B	d4oh3b_	Membrane and cell surface proteins and peptides	MFS general substrate transporter	MFS general substrate transporter	Proton-dependent oligopeptide transporter (POT or PTR2) / nitrate transporter NRT1 family	NRT1.1	mouse-ear cress,thale-cress (Arabidopsis thaliana ) [TaxId: 3702 ],	SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	PTR2	e4oh3A2	A: alpha complex topology	X: Major facilitator superfamily (MFS) general substrate transporter (From Topology)	H: Major facilitator superfamily (MFS) general substrate transporter (From Topology)	T: Major facilitator superfamily (MFS) general substrate transporter	F: PTR2	ECOD (1.6)
B	PTR2	e4oh3B1	A: alpha complex topology	X: Major facilitator superfamily (MFS) general substrate transporter (From Topology)	H: Major facilitator superfamily (MFS) general substrate transporter (From Topology)	T: Major facilitator superfamily (MFS) general substrate transporter	F: PTR2	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.20.1250.20	Mainly Alpha	Up-down Bundle	Growth Hormone	Chain: A	CATH (4.3.0)
B	1.20.1250.20	Mainly Alpha	Up-down Bundle	Growth Hormone	Chain: A	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF00854	POT family (PTR2)	POT family	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Nitrate transporter 1.1	inorganic molecular entity transmembrane transporter activity transporter activity nitrate transmembrane transporter activity transmembrane transporter activity inorganic anion transmembrane transporter activity active transmembrane transporter activity symporter activity secondary active transmembrane transporter activity	response to acid chemical response to stimulus response to stress response to chemical response to oxygen-containing compound response to abiotic stimulus response to water response to water deprivation photoperiodism, flowering developmental process response to light stimulus multicellular organismal process reproductive system development reproductive process response to acid chemical response to stimulus response to stress response to chemical response to oxygen-containing compound response to abiotic stimulus response to water response to water deprivation photoperiodism, flowering developmental process response to light stimulus multicellular organismal process reproductive system development reproductive process vegetative to reproductive phase transition of meristem developmental process involved in reproduction multicellular organism development photoperiodism anatomical structure development reproductive structure development post-embryonic development response to radiation system development response to herbicide response to toxic substance localization nitrogen compound transport amide transport transport oligopeptide transport establishment of localization nitrate assimilation nitrogen cycle metabolic process oxoacid metabolic process cellular metabolic process metabolic process small molecule metabolic process cellular process organic acid metabolic process nitrate metabolic process reactive nitrogen species metabolic process auxin-activated signaling pathway cellular response to stimulus regulation of biological process regulation of cellular process signaling response to endogenous stimulus biological regulation hormone-mediated signaling pathway cellular response to auxin stimulus cell communication response to auxin cellular response to endogenous stimulus cellular response to chemical stimulus response to hormone signal transduction cellular response to hormone stimulus auxin polar transport regulation of hormone levels auxin transport hormone transport regulation of biological quality basipetal auxin transport nitrate transmembrane transport inorganic ion transmembrane transport nitrate import inorganic anion transmembrane transport transmembrane transport inorganic anion transport response to nitrate response to nitrogen compound plant organ development post-embryonic root development lateral root development post-embryonic plant organ development root development root system development	cell periphery plasma membrane membrane cellular anatomical entity

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR000109	Proton-dependent oligopeptide transporter family	Family
A, B	IPR018456	PTR2 family proton/oligopeptide symporter, conserved site	Conserved Site
A, B	IPR036259	MFS transporter superfamily	Homologous Superfamily

Membrane Protein Annotation: OPM OPM Database Homepage

Chains	External Link	Type	Class	Superfamily	Family
A, B	OPM	Transmembrane	Alpha-helical polytopic	Major Facilitator Superfamily (MFS)	Proton-dependent oligopeptide transporter (POT)

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

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

Membrane Protein Annotation: MemProtMD MemProtMD Database Homepage

Chains	External Link	Comment
A, B	MemProtMD	Annotated as membrane protein by MemProtMD

Membrane Protein Annotation: mpstruc mpstruc Database Homepage

Chains	Resource Link	Group	Subgroup	Protein
A, B	mpstruc	TRANSMEMBRANE PROTEINS: ALPHA-HELICAL	Major Facilitator Superfamily (MFS) Transporters	NRT1.1 nitrate transporter, homodimer in inward-facing conformation

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.