3A44

Crystal structure of HypA in the dimeric form

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)	Hydrogenase nickel incorporation protein hypA	polymer	139	15740.0	4	UniProt (Q5JIH3) Pfam (PF01155)	Pyrococcus kodakaraensis (Thermococcus kodakaraensis)	HypA
2	E, F, G, H (A, B, C)	ZINC ION	non-polymer		65.4	4	Chemie (ZN)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	62960.0
Non-Polymers*	Number of molecules	4
	Total formula weight	261.6
All*	Total formula weight	63221.6

*Water molecules are not included.