Multiple Assemblies exist for SMTL entry 1n4a
The Ligand Bound Structure of E.coli BtuF, the Periplasmic Binding Protein for Vitamin B12; X-RAY DIFFRACTION 2.00 Å

SMTL ID
1n4a.1
Ligands
CO-CYANOCOBALAMIN
Polypeptides
Vitamin B12 transport protein btuF
Oligo-state
monomer
SMTL ID
1n4a.2
Ligands
CO-CYANOCOBALAMIN
Polypeptides
Vitamin B12 transport protein btuF
Oligo-state
monomer