3E2X

H. influenzae beta-carbonic anhydrase, variant V47A

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 2	polymer	229	26258.9	2	UniProt (P45148) Pfam (PF00484)	Haemophilus influenzae	Carbonate dehydratase 2
2	C, E (A, B)	ZINC ION	non-polymer		65.4	2	Chemie (ZN)
3	D, F, G, H, I (A, B)	SULFATE ION	non-polymer		96.1	5	Chemie (SO4)

Sequence modifications

A, B: 1 - 229 (UniProt: P45148)

PDB	External Database	Details
Ala 47	Val 47	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	52517.9
Non-Polymers*	Number of molecules	7
	Total formula weight	611.1
All*	Total formula weight	53129.0

*Water molecules are not included.