4PWA

Crystal structure of the c-type cytochrome SorU from Sinorhizobium meliloti

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 cytochrome C	polymer	106	11403.7	4	UniProt (Q92M25) Pfam (PF13442)	Sinorhizobium meliloti (Ensifer meliloti)
2	E, F, G, H (A, B, C, D)	HEME C	non-polymer		618.5	4	Chemie (HEC)
3	I, J, K, L (A, B, C, D)	water	water		18.0	227	Chemie (HOH)

Sequence modifications

A, B, C, D: 28 - 113 (UniProt: Q92M25)

PDB	External Database	Details
Met 27	-	initiating methionine
Asn 114	-	expression tag
Ser 115	-	expression tag
Ser 116	-	expression tag
Ser 117	-	expression tag
Val 118	-	expression tag
Asp 119	-	expression tag
Lys 120	-	expression tag
Leu 121	-	expression tag
Ala 122	-	expression tag
Ala 123	-	expression tag
Ala 124	-	expression tag
Leu 125	-	expression tag
Glu 126	-	expression tag
His 127	-	expression tag
His 128	-	expression tag
His 129	-	expression tag
His 130	-	expression tag
His 131	-	expression tag
His 132	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	45614.7
Non-Polymers*	Number of molecules	4
	Total formula weight	2474.0
All*	Total formula weight	48088.7

*Water molecules are not included.