CATH Domain 1n4dA02

CATH Classification

Level	CATH Code	Description
	3	Alpha Beta
	3.40	3-Layer(aba) Sandwich
	3.40.50	Rossmann fold
	3.40.50.1980	Nitrogenase molybdenum iron protein domain

Domain Context

CATH Clusters

Superfamily	Nitrogenase molybdenum iron protein domain
Functional Family	Vitamin B12-binding protein

Enzyme Information

UniProtKB Entries (1)

BTUF_ECOLI

Escherichia coli K-12

Vitamin B12-binding protein

PDB Structure

PDB	1N4D
External Links	PDBSum Proteopedia
Method	X-RAY DIFFRACTION
Organism	Escherichia
Primary Citation	Crystal Structures of the BtuF Periplasmic-binding Protein for Vitamin B12 Suggest a Functionally Important Reduction in Protein Mobility upon Ligand Binding Karpowich, N.K., Huang, H.H., Smith, P.C., Hunt, J.F. J.BIOL.CHEM.