4OFO

Crystal structure of YntA from Yersinia pestis, 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, C, D (A, B, C, D)	Extracytoplasmic Nickel-Binding Protein YpYntA	polymer	499	55003.5	4	UniProt (Q7CJS8) Pfam (PF00496) UniProt (by SIFTS) (A0A5P8YI66)	Yersinia pestis	Putative substrate-binding periplasmic protein of ABC transporter, YpYntA
2	E, F, G, H (A, B, C, D)	NICKEL (II) ION	non-polymer		58.7	4	Chemie (NI)
3	I, J, K, L (A, B, C, D)	water	water		18.0	27	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	220014.2
Non-Polymers*	Number of molecules	4
	Total formula weight	234.8
All*	Total formula weight	220249.0

*Water molecules are not included.