5ZL1

Hexameric structure of copper-containing nitrite reductase of an anammox organism KSU-1

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)	Putative copper-type nitrite reductase	polymer	326	35976.7	4	UniProt (I3IR93) Pfam (PF07732)	Candidatus Jettenia caeni
2	E, F, I, J, K... (A, B, C, D)	COPPER (II) ION	non-polymer		63.5	9	Chemie (CU)
3	G, L, P, T (A, B, C, D)	CALCIUM ION	non-polymer		40.1	4	Chemie (CA)
4	H, M, Q, U (A, B, C, D)	SULFATE ION	non-polymer		96.1	4	Chemie (SO4)
5	V, W, X, Y (A, B, C, D)	water	water		18.0	34	Chemie (HOH)

Sequence modifications

A, B, C, D: 22 - 326 (UniProt: I3IR93)

PDB	External Database	Details
Met 1	-	expression tag
Gly 2	-	expression tag
Ser 3	-	expression tag
Ser 4	-	expression tag
His 5	-	expression tag
His 6	-	expression tag
His 7	-	expression tag
His 8	-	expression tag
His 9	-	expression tag
His 10	-	expression tag
Ser 11	-	expression tag
Ser 12	-	expression tag
Gly 13	-	expression tag
Leu 14	-	expression tag
Val 15	-	expression tag
Pro 16	-	expression tag
Arg 17	-	expression tag
Gly 18	-	expression tag
Ser 19	-	expression tag
His 20	-	expression tag
Met 21	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	143906.8
Non-Polymers*	Number of molecules	17
	Total formula weight	1116.5
All*	Total formula weight	145023.3

*Water molecules are not included.