Multiple Assemblies exist for SMTL entry 4dbl
Crystal structure of E159Q mutant of BtuCDF; X-RAY DIFFRACTION 3.49 Å

SMTL ID
4dbl.1
Ligands
PHOSPHATE ION; SULFATE ION
Polypeptides
Vitamin B12 import system permease protein BtuC; Vitamin B12 import ATP-binding protein BtuD; Vitamin B12-binding protein
Oligo-state
hetero-oligomer
SMTL ID
4dbl.2
Ligands
PHOSPHATE ION; SULFATE ION
Polypeptides
Vitamin B12 import system permease protein BtuC; Vitamin B12 import ATP-binding protein BtuD; Vitamin B12-binding protein
Oligo-state
hetero-oligomer