4FM4

Wild Type Fe-type Nitrile Hydratase from Comamonas testosteroni Ni1

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, I... (A, C, E, G, I...)	Nitrile hydratase alpha subunit	polymer	209	23313.7	8	Pfam (PF02979) UniProt (by SIFTS) (J9PBS0)	Comamonas testosteroni
2	B, D, F, H, J... (B, D, F, H, J...)	Nitrile hydratase beta subunit	polymer	206	22554.5	8	Pfam (PF21006) Pfam (PF02211) UniProt (by SIFTS) (J9PBS1)	Comamonas testosteroni
3	AA, CA, EA, Q, S... (K, M, O, A, C...)	PHOSPHATE ION	non-polymer		95.0	8	Chemie (PO4)
4	BA, DA, FA, R, T... (K, M, O, A, C...)	FE (III) ION	non-polymer		55.8	8	Chemie (FE)
5	GA, HA, IA, JA, KA... (A, B, C, D, E...)	water	water		18.0	1686	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	16
	Total formula weight	366945.8
Non-Polymers*	Number of molecules	16
	Total formula weight	1206.5
All*	Total formula weight	368152.3

*Water molecules are not included.