4E5Y

Structure of human FX protein, the key enzyme in the biosynthesis of GDP-L-fucose

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C, D (A, B, C, D)	GDP-L-fucose synthase	polymer	321	35935.6	4	UniProt (Q13630) Pfam (PF01370)	Homo sapiens (human)	GDP-4-keto-6-deoxy-D-mannose-3,5-epimerase-4-reductase, Protein FX, Red cell NADP(H)-binding protein, Short-chain dehydrogenase/reductase family 4E member 1
2	E, F, G, H (A, B, C, D)	NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE	non-polymer		745.4	4	Chemie (NDP)
3	I, J, K, L (A, B, C, D)	water	water		18.0	22	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	143742.4
Non-Polymers*	Number of molecules	4
	Total formula weight	2981.7
All*	Total formula weight	146724.0

*Water molecules are not included.