4AX3

Structure of three-domain heme-Cu nitrite reductase from Ralstonia pickettii at 1.6 A resolution

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)	COPPER-CONTAINING NITRITE REDUCTASE	polymer	468	49948.5	4	UniProt (E2STD2) Pfam (PF07732) Pfam (PF00034) UniProt (by SIFTS) (B2UHR8)	RALSTONIA PICKETTII
2	E, F, H, I, K... (A, B, C, D)	COPPER (II) ION	non-polymer		63.5	8	Chemie (CU)
3	G, J, M, P (A, B, C, D)	HEME C	non-polymer		618.5	4	Chemie (HEC)
4	Q, R, S, T (A, B, C, D)	water	water		18.0	2470	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	199794.1
Non-Polymers*	Number of molecules	12
	Total formula weight	2982.4
All*	Total formula weight	202776.4

*Water molecules are not included.