8BCX

Crystal structure of NrfA-1 from Geobacter metallireducens

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)	Nitrite reductase (cytochrome; ammonia-forming)	polymer	492	55076.1	4	UniProt (Q39YY5) Pfam (PF02335)	Geobacter metallireducens GS-15
2	DA, E, EA, F, FA... (D, A, B, C)	HEME C	non-polymer		618.5	20	Chemie (HEC)
3	AA, BA, CA, IA, J... (C, D, A, B)	SULFATE ION	non-polymer		96.1	14	Chemie (SO4)
4	MA, NA, OA, PA (A, B, C, D)	water	water		18.0	725	Chemie (HOH)

Sequence modifications

A, B, C, D: 30 - 488 (UniProt: Q39YY5)

PDB	External Database	Details
Met -3	-	initiating methionine
Lys -2	-	expression tag
Lys -1	-	expression tag
Thr 0	-	expression tag
Ala 1	-	expression tag
Ile 2	-	expression tag
Ala 3	-	expression tag
Ile 4	-	expression tag
Ala 5	-	expression tag
Val 6	-	expression tag
Ala 7	-	expression tag
Leu 8	-	expression tag
Ala 9	-	expression tag
Gly 10	-	expression tag
Phe 11	-	expression tag
Ala 12	-	expression tag
Thr 13	-	expression tag
Val 14	-	expression tag
Ala 15	-	expression tag
Gln 16	-	expression tag
Ala 17	-	expression tag
Ala 18	-	expression tag
Ser 19	-	expression tag
Trp 20	-	expression tag
Ser 21	-	expression tag
His 22	-	expression tag
Pro 23	-	expression tag
Gln 24	-	expression tag
Phe 25	-	expression tag
Glu 26	-	expression tag
Lys 27	-	expression tag
Gly 28	-	expression tag
Ala 29	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	220304.5
Non-Polymers*	Number of molecules	34
	Total formula weight	13714.9
All*	Total formula weight	234019.5

*Water molecules are not included.