3E3G

H. influenzae beta-carbonic anhydrase, variant G41A

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, D, E... (A, B, C, D, E...)	Carbonic anhydrase 2	polymer	229	26301.0	6	UniProt (P45148) Pfam (PF00484)	Haemophilus influenzae	Carbonate dehydratase 2; beta carbonic anhydrase
2	G, L, O, R, T... (A, B, C, D, E...)	ZINC ION	non-polymer		65.4	6	Chemie (ZN)
3	H, I, J, K, M... (A, B, C, D, E...)	SULFATE ION	non-polymer		96.1	13	Chemie (SO4)
4	AA, BA, CA, DA, EA... (B, C, D, E, F...)	water	water		18.0	133	Chemie (HOH)

Sequence modifications

A, B, C, D, E, F: 1 - 229 (UniProt: P45148)

PDB	External Database	Details
Ala 41	Gly 41	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	6
	Total formula weight	157806.1
Non-Polymers*	Number of molecules	19
	Total formula weight	1641.3
All*	Total formula weight	159447.3

*Water molecules are not included.