3EYX

Crystal structure of Carbonic Anhydrase Nce103 from Saccharomyces cerevisiae

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	216	24562.9	2	UniProt (P53615) Pfam (PF00484)	Saccharomyces cerevisiae (Baker's yeast)	Beta-Carbonic anhydrase, Carbonate dehydratase, Non-classical export protein 3
2	C, H (A, B)	ZINC ION	non-polymer		65.4	2	Chemie (ZN)
3	D, E (A)	ACETATE ION	non-polymer		59.0	2	Chemie (ACT)
4	F, G, I, J (A, B)	1,2-ETHANEDIOL	non-polymer		62.1	4	Chemie (EDO)
5	K, L (A, B)	water	water		18.0	152	Chemie (HOH)

Sequence modifications

A, B: 14 - 221 (UniProt: P53615)

PDB	External Database	Details
Met 6	-	initiating methionine
His 7	-	expression tag
His 8	-	expression tag
His 9	-	expression tag
His 10	-	expression tag
His 11	-	expression tag
His 12	-	expression tag
Gly 13	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	49125.7
Non-Polymers*	Number of molecules	8
	Total formula weight	497.2
All*	Total formula weight	49622.9

*Water molecules are not included.