8QK0

Crystal structure of cytochrome domain 3 from PgcA

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, C)	Lipoprotein cytochrome c	polymer	103	10666.1	2	UniProt (Q74CB3)	Geobacter sulfurreducens PCA
2	C, F (A, C)	HEME C	non-polymer		618.5	2	Chemie (HEC)
3	D, E, G, H (A, C)	SODIUM ION	non-polymer		23.0	4	Chemie (NA)
4	I (C)	GLYCEROL	non-polymer		92.1	1	Chemie (GOL)
5	J, K (A, C)	water	water		18.0	179	Chemie (HOH)

Sequence modifications

A, C: 4 - 71 (UniProt: Q74CB3)

PDB	External Database	Details
Met -20	-	initiating methionine
Lys -19	-	expression tag
Phe -18	-	expression tag
Lys -17	-	expression tag
Leu -16	-	expression tag
Asn -15	-	expression tag
Leu -14	-	expression tag
Ile -13	-	expression tag
Thr -12	-	expression tag
Leu -11	-	expression tag
Ala -10	-	expression tag
Leu -9	-	expression tag
Leu -8	-	expression tag
Ala -7	-	expression tag
Asn -6	-	expression tag
Thr -5	-	expression tag
Gly -4	-	expression tag
Leu -3	-	expression tag
Ala -2	-	expression tag
Val -1	-	expression tag
Ala 0	-	expression tag
Ala 1	-	expression tag
Asp 2	-	expression tag
Gly 3	-	expression tag
Gly 72	-	expression tag
Ser 73	-	expression tag
Gly 74	-	expression tag
Trp 75	-	expression tag
Ser 76	-	expression tag
His 77	-	expression tag
Pro 78	-	expression tag
Gln 79	-	expression tag
Phe 80	-	expression tag
Glu 81	-	expression tag
Lys 82	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	21332.1
Non-Polymers*	Number of molecules	7
	Total formula weight	1421.1
All*	Total formula weight	22753.2

*Water molecules are not included.