6DY4

Fe(II)-bound structure of the engineered cyt cb562 variant, CH2E

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, D	Soluble cytochrome b562	polymer	106	11807.2	2	UniProt (P0ABE7) Pfam (PF07361) In PDB	Escherichia coli	Cytochrome b-562
2	A, D	FE (III) ION	non-polymer		55.8	2	Chemie (FE)
3	A, D	HEME C	non-polymer		618.5	2	Chemie (HEC)
4		water	water		18.0	225	Chemie (HOH)

Sequence modifications

A, D: 1 - 106 (UniProt: P0ABE7)

PDB	External Database	Details
Trp 59	Lys 81	engineered mutation
His 67	Ile 89	engineered mutation
His 71	Gln 93	engineered mutation
Cys 96	Thr 118	engineered mutation
Glu 97	Thr 119	engineered mutation
Cys 98	Arg 120	engineered mutation
Cys 101	Tyr 123	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	23614.5
Non-Polymers*	Number of molecules	4
	Total formula weight	1348.7
All*	Total formula weight	24963.2

*Water molecules are not included.