4G7A

The crystal structure of an alpha Carbonic Anhydrase from the extremophilic bacterium Sulfurihydrogenibium yellowstonense YO3AOP1

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)	Carbonate dehydratase	polymer	248	28754.1	2	UniProt (B2V8E3)	Sulfurihydrogenibium sp. YO3AOP1 (Sulfurihydrogenibium yellowstonense)	alpha-Carbonic Anhydrase
2	C, E (A, B)	ZINC ION	non-polymer		65.4	2	Chemie (ZN)
3	D, F (A, B)	5-ACETAMIDO-1,3,4-THIADIAZOLE-2-SULFONAMIDE	non-polymer		222.2	2	Chemie (AZM)
4	G, H (A, B)	water	water		18.0	564	Chemie (HOH)

Sequence modifications

A, B: 0 - 225 (UniProt: B2V8E3)

PDB	External Database	Details
Met -22	-	expression tag
Gly -21	-	expression tag
Ser -20	-	expression tag
Ser -19	-	expression tag
His -18	-	expression tag
His -17	-	expression tag
His -16	-	expression tag
His -15	-	expression tag
His -14	-	expression tag
His -13	-	expression tag
Ser -12	-	expression tag
Ser -11	-	expression tag
Gly -10	-	expression tag
Leu -9	-	expression tag
Val -8	-	expression tag
Pro -7	-	expression tag
Arg -6	-	expression tag
Gly -5	-	expression tag
Ser -4	-	expression tag
His -3	-	expression tag
Met -2	-	expression tag
Leu -1	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	57508.1
Non-Polymers*	Number of molecules	4
	Total formula weight	575.3
All*	Total formula weight	58083.4

*Water molecules are not included.