3DE9

Crystal Structure of a Trimeric Cytochrome cb562 Assembly Induced by Nickel Coordination

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Soluble cytochrome b562	polymer	106	11726.2	1	UniProt (P0ABE7) Pfam (PF07361) In PDB	Escherichia coli	Cytochrome b-562
2	A	NICKEL (II) ION	non-polymer		58.7	3	Chemie (NI)
3	A	PROTOPORPHYRIN IX CONTAINING FE	non-polymer		616.5	1	Chemie (HEM)
4		water	water		18.0	55	Chemie (HOH)

Sequence modifications

A: 1 - 106 (UniProt: P0ABE7)

PDB	External Database	Details
His 59	Lys 81	engineered mutation
His 73	Asp 95	engineered mutation
His 77	Lys 99	engineered mutation
Cys 98	Arg 120	engineered mutation
Cys 101	Tyr 123	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	11726.2
Non-Polymers*	Number of molecules	4
	Total formula weight	792.6
All*	Total formula weight	12518.7

*Water molecules are not included.