1AHJ

NITRILE HYDRATASE

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, C, E, G (A, C, E, G)	NITRILE HYDRATASE (SUBUNIT ALPHA)	polymer	207	22991.0	4	UniProt (P13448) Pfam (PF02979)	Rhodococcus sp. R312
2	B, D, F, H (B, D, F, H)	NITRILE HYDRATASE (SUBUNIT BETA)	polymer	212	23515.3	4	UniProt (P13449) Pfam (PF21006) Pfam (PF02211)	Rhodococcus sp. R312
3	I, J, K, L (A, C, E, G)	FE (III) ION	non-polymer		55.8	4	Chemie (FE)

Sequence modifications

A, C, E, G: 2 - 207 (UniProt: P13448)

PDB	External Database	Details
Ala 18	Pro 17	conflict

B, D, F, H: 1 - 212 (UniProt: P13449)

PDB	External Database	Details
Asp 21	Asn 21	conflict

Contents of the asymmetric unit

Polymers	Number of chains	8
	Total formula weight	186025.3
Non-Polymers*	Number of molecules	4
	Total formula weight	223.4
All*	Total formula weight	186248.7

*Water molecules are not included.