cobalamin transport complex

Term ID

GO:1990191

Synonyms

• BtuCDF complex
• cobalamin-transporting BtuCDF complex
• vitamin B12 transport complex
• vitamin B12-transporting BtuCDF complex

Definition

Protein complex facilitating ATP-dependent cobalamin (vitamin B12) transport through inner cell membrane (periplasm to cytoplasm) in Gram-negative bacteria. In E. coli the system is composed of a periplasmic cobalamin-binding protein (BtuF), an integral membrane homodimer, BtuC, and a cytoplasmic ATP-binding homodimer BtuD. 22569249

References

Ontology

GO: Cellular Component    QuickGO    AmiGO