8P9R

Structure of the periplasmic domain of ExbD from E. coli in complex with TonB

External Resource: Annotation

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

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	PF02472	e8p9rA1	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: PF02472	ECOD (1.6)
C [auth B]	PF02472	e8p9rB1	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: PF02472	ECOD (1.6)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, C [auth B]	Biopolymer transport protein ExbD	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 organic substance transport bacteriocin transport establishment of localization vitamin transport cobalamin transport protein localization establishment of protein localization cellular localization protein transport cellular macromolecule localization macromolecule localization cellular process	membrane cellular anatomical entity 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
B [auth C]	Protein TonB	molecular transducer activity energy transducer activity protein binding binding protein domain specific binding	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 localization nitrogen compound transport transport vitamin transport 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 localization nitrogen compound transport transport vitamin transport organic substance transport cobalamin transport establishment of localization protein localization establishment of protein localization cellular localization protein transport cellular macromolecule localization macromolecule localization cellular process virion attachment to host cell biological process involved in interspecies interaction between organisms adhesion of symbiont to host cell viral life cycle adhesion of symbiont to host receptor-mediated bacteriophage irreversible attachment to host cell biological process involved in interaction with host biological process involved in symbiotic interaction receptor-mediated virion attachment to host cell entry receptor-mediated virion attachment to host cell viral process siderophore transport iron ion transport transition metal ion transport monoatomic ion transport monoatomic cation transport metal ion transport iron coordination entity transport transmembrane transport colicin transport amide transport bacteriocin transport	membrane cellular anatomical entity cell periphery protein-containing complex plasma membrane protein complex plasma membrane membrane protein complex transmembrane transporter complex transporter complex outer membrane-bounded periplasmic space cell envelope periplasmic space cell outer membrane external encapsulating structure membrane cellular anatomical entity cell periphery protein-containing complex plasma membrane protein complex plasma membrane membrane protein complex transmembrane transporter complex transporter complex outer membrane-bounded periplasmic space cell envelope periplasmic space cell outer membrane external encapsulating structure outer membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, C [auth B]	IPR014170	TonB system transport protein ExbD type-1	Family
A, C [auth B]	IPR003400	Biopolymer transport protein ExbD/TolR	Family
B [auth C]	IPR006260	TonB/TolA, C-terminal	Domain
B [auth C]	IPR003538	Gram-negative bacterial TonB protein	Family
B [auth C]	IPR037682	TonB, C-terminal	Domain

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 R01GM133198.