6L3H

Cryo-EM structure of dimeric quinol dependent Nitric Oxide Reductase (qNOR) from the pathogen Neisseria meninigitidis

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Nitric-oxide reductase	polymer	751	84389.2	2	UniProt (C6S880) Pfam (PF22085) Pfam (PF00115) In PDB	Neisseria meningitidis alpha14
2	A, B	PROTOPORPHYRIN IX CONTAINING FE	non-polymer		616.5	4	Chemie (HEM)
3	A, B	FE (III) ION	non-polymer		55.8	2	Chemie (FE)
4	A, B	CALCIUM ION	non-polymer		40.1	2	Chemie (CA)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	168778.4
Non-Polymers*	Number of molecules	8
	Total formula weight	2657.8
All*	Total formula weight	171436.2

*Water molecules are not included.