2CS7

1.2 A Crystal structure of the S. pneumoniae PhtA histidine triad domain a novel zinc binding fold

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	pneumococcal histidine triad A protein	polymer	55	6025.4	3	GenBank (14972655) Pfam (PF04270) UniProt (by SIFTS) (A0A0H2UQ89) In PDB	Streptococcus pneumoniae
2	A, B, C	ZINC ION	non-polymer		65.4	3	Chemie (ZN)
3		water	water		18.0	195	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	3
	Total formula weight	18076.2
Non-Polymers*	Number of molecules	3
	Total formula weight	196.2
All*	Total formula weight	18272.5

*Water molecules are not included.