Annotations: 2PFU

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	ExbD_3	e2pfuA1	A: mixed a+b and a/b	X: Ribonuclease H-like	H: Periplasmic domain of ExbD/TolR (From Topology)	T: Periplasmic domain of ExbD/TolR	F: ExbD_3	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.30.420.270	Alpha Beta	2-Layer Sandwich	Nucleotidyltransferase	domain 5	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF02472	Biopolymer transport protein ExbD/TolR (ExbD)	Biopolymer transport protein ExbD/TolR	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Biopolymer transport exbD protein	molecular transducer activity energy transducer activity identical protein binding protein binding binding protein homodimerization activity protein dimerization 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 regulation of protein stability biological regulation regulation of biological quality protein stabilization 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 regulation of protein stability biological regulation regulation of biological quality protein stabilization localization nitrogen compound transport amide transport transport bacteriocin transport establishment of localization vitamin transport cobalamin transport establishment of protein localization protein transport macromolecule localization intracellular protein localization	cellular anatomical structure membrane cell periphery protein-containing complex plasma membrane protein complex plasma membrane membrane protein complex transmembrane transporter complex transporter complex cell outer membrane external encapsulating structure cell envelope outer membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR014170	TonB system transport protein ExbD type-1	Family
A	IPR003400	Biopolymer transport protein ExbD/TolR	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.