8ZXR

Crystal structure of Ssr1698 in complex with heme c

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	Ssr1698 protein	polymer	105	11643.1	1	UniProt (P73129) Pfam (PF10615)	Synechocystis sp. (strain PCC 6803 / Kazusa)
2	B (B)	Cytochrome c	polymer	11	1246.5	1	UniProt (P00004)	Equus caballus (horse)
3	C (A)	NICKEL (II) ION	non-polymer		58.7	1	Chemie (NI)
4	D, E (A)	CHLORIDE ION	non-polymer		35.5	2	Chemie (CL)
5	F (B)	HEME C	non-polymer		618.5	1	Chemie (HEC)
6	G (B)	GLYCEROL	non-polymer		92.1	1	Chemie (GOL)
7	H, I (A, B)	water	water		18.0	139	Chemie (HOH)

Sequence modifications

A: 1 - 96 (UniProt: P73129)

PDB	External Database	Details
Met 0	-	initiating methionine
Leu 97	-	expression tag
Glu 98	-	expression tag
His 99	-	expression tag
His 100	-	expression tag
His 101	-	expression tag
His 102	-	expression tag
His 103	-	expression tag
His 104	-	expression tag

B: 11 - 21 (UniProt: P00004)

PDB	External Database	Details
Gln 21	Glu 22	conflict

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	12889.6
Non-Polymers*	Number of molecules	5
	Total formula weight	840.2
All*	Total formula weight	13729.8

*Water molecules are not included.