4OET

Crystal structure of NikZ from Campylobacter jejuni, unliganded form

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Putative peptide ABC-transport system periplasmic peptide-binding protein	polymer	494	56815.4	2	UniProt (Q0P844) Pfam (PF00496) In PDB	Campylobacter jejuni	NikZ
2	A, B	GLYCEROL	non-polymer		92.1	8	Chemie (GOL)
3		water	water		18.0	432	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	113630.8
Non-Polymers*	Number of molecules	8
	Total formula weight	736.8
All*	Total formula weight	114367.6

*Water molecules are not included.