1ZZV | pdb_00001zzv

Solution NMR Structure of the Periplasmic Signaling Domain of the Outer Membrane Iron Transporter FecA from Escherichia coli.

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	STN domain-like	8057245	3002388	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	MarR	e1zzvA1	A: a/b three-layered sandwiches	X: HTH	H: Nudix	T: winged helix domain	F: MarR	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.55.50.30	Alpha Beta	3-Layer(bab) Sandwich	Phage tail protein beta-alpha-beta fold		CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF07660	Secretin and TonB N terminus short domain (STN)	Secretin and TonB N terminus short domain	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Iron(III) dicitrate transport protein fecA	molecular transducer activity signaling receptor activity siderophore-iron transmembrane transporter activity iron chelate transmembrane transporter activity transporter activity transmembrane transporter activity	intracellular iron ion homeostasis inorganic ion homeostasis cellular homeostasis chemical homeostasis homeostatic process intracellular monoatomic cation homeostasis monoatomic ion homeostasis intracellular chemical homeostasis monoatomic cation homeostasis intracellular monoatomic ion homeostasis response to metal ion starvation response to nutrient levels response to stimulus response to iron ion starvation intracellular iron ion homeostasis inorganic ion homeostasis cellular homeostasis chemical homeostasis homeostatic process intracellular monoatomic cation homeostasis monoatomic ion homeostasis intracellular chemical homeostasis monoatomic cation homeostasis intracellular monoatomic ion homeostasis response to metal ion starvation response to nutrient levels response to stimulus response to iron ion starvation response to stress response to starvation regulation of cellular process RNA metabolic process regulation of primary metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process DNA-templated transcription regulation of RNA metabolic process regulation of nucleobase-containing compound metabolic process regulation of RNA biosynthetic process regulation of biosynthetic process regulation of biological process biological regulation primary metabolic process regulation of macromolecule metabolic process nucleobase-containing compound biosynthetic process gene expression macromolecule biosynthetic process nucleic acid metabolic process regulation of gene expression biosynthetic process cellular process metabolic process regulation of macromolecule biosynthetic process regulation of DNA-templated transcription macromolecule metabolic process regulation of metabolic process cellular response to stimulus signaling cell communication signal transduction involved in regulation of gene expression signal transduction siderophore-iron import into cell import into cell cellular localization iron import into cell transport metal ion transport localization establishment of localization in cell monoatomic ion transport monoatomic cation transport siderophore-dependent iron import pathway iron ion transport establishment of localization transition metal ion transport iron coordination entity transport siderophore transport	cellular anatomical structure membrane protein-containing complex transmembrane transporter complex membrane protein complex transporter complex cell outer membrane external encapsulating structure extracellular region cell envelope outer membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR039426	TonB-dependent receptor-like	Family
A	IPR037066	TonB-dependent receptor, plug domain superfamily	Homologous Superfamily
A	IPR010917	TonB-dependent receptor, conserved site	Conserved Site
A	IPR010105	TonB-dependent siderophore receptor	Family
A	IPR036942	TonB-dependent receptor-like, beta-barrel domain superfamily	Homologous Superfamily
A	IPR012910	TonB-dependent receptor, plug domain	Domain
A	IPR010916	TonB box, conserved site	Conserved Site
A	IPR011662	Secretin/TonB, short N-terminal domain	Domain
A	IPR000531	TonB-dependent receptor-like, beta-barrel	Domain
A	IPR049654	Fe(3+) dicitrate transport protein FecA-like	Family

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.