9G4F | pdb_00009g4f

CryoEM structure of the proton-dependent antibacterial peptide transporter SbmA in complex with FabS11-1 in lipid nanodiscs at pH 5.5, inward-closed state

External Resource: Annotation

SAbDab Antibody Annotation
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Membrane Protein Annotation: MemProtMD

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
D	Light Chain	IGKV4	Kappa	peptide antibiotic transporter sbma \| peptide antibiotic transporter sbma	SAbDab (2026-02-20)
C	Heavy Chain	IGHV14	-	peptide antibiotic transporter sbma \| peptide antibiotic transporter sbma	SAbDab (2026-02-20)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF05992	SbmA/BacA-like family (SbmA_BacA)	SbmA/BacA-like family	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Peptide antibiotic transporter SbmA	binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding identical protein binding protein binding protein homodimerization activity protein dimerization activity active transmembrane transporter activity transporter activity transmembrane transporter activity secondary active transmembrane transporter activity peptide transmembrane transporter activity xenobiotic transmembrane transporter activity microcin transmembrane transporter activity	peptide transport localization transport establishment of localization response to stimulus response to chemical response to antibiotic nitrogen compound transport microcin transport establishment of protein localization protein transport macromolecule localization intracellular protein localization microcin B17 transport	cell periphery cellular anatomical structure plasma membrane membrane
D	11-1 FabL	-	-	-
C	11-1 FabH	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR009248	SbmA/BacA-like	Family
A, B	IPR036640	ABC transporter type 1, transmembrane domain superfamily	Homologous Superfamily
A, B	IPR050835	ATP-binding cassette sub-family D	Family

Membrane Protein Annotation: MemProtMD MemProtMD Database Homepage

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

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.

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