AF_AFA1AIE8F1

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Vitamin B12 transporter BtuB	wide pore channel activity passive transmembrane transporter activity channel activity porin activity transporter activity transmembrane transporter activity ABC-type vitamin B12 transporter activity ABC-type transporter activity active transmembrane transporter activity vitamin transmembrane transporter activity primary active transmembrane transporter activity ATPase-coupled transmembrane transporter activity ATP-dependent activity cation binding wide pore channel activity passive transmembrane transporter activity channel activity porin activity transporter activity transmembrane transporter activity ABC-type vitamin B12 transporter activity ABC-type transporter activity active transmembrane transporter activity vitamin transmembrane transporter activity primary active transmembrane transporter activity ATPase-coupled transmembrane transporter activity ATP-dependent activity cation binding ion binding binding metal ion binding small molecule binding	localization transport monoatomic ion transport establishment of localization	protein-containing complex cellular anatomical structure membrane pore complex membrane protein complex cell periphery cell outer membrane external encapsulating structure cell envelope outer membrane

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	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	IPR010101	TonB-dependent vitamin B12 transporter BtuB	Family
A	IPR000531	TonB-dependent receptor-like, beta-barrel	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 R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.