6Y04

Crystal structure of beta-carbonic anhydrase isoform I (TvaCA1) from the Trichomonas vaginalis protozoan.

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	Carbonic anhydrase	polymer	182	19951.0	2	UniProt (A2ENQ8) Pfam (PF00484)	Trichomonas vaginalis	Carbonate dehydratase
2	C, D (A, B)	ZINC ION	non-polymer		65.4	2	Chemie (ZN)
3	E, F (A, B)	water	water		18.0	64	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	39902.0
Non-Polymers*	Number of molecules	2
	Total formula weight	130.8
All*	Total formula weight	40032.9

*Water molecules are not included.