2A8C

Haemophilus influenzae beta-carbonic anhydrase

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	26287.0	6	UniProt (P45148) Pfam (PF00484)	Haemophilus influenzae	beta-carbonic anhydrase
2	G, H, K, L, O... (A, B, C, D, E...)	ZINC ION	non-polymer		65.4	6	Chemie (ZN)
3	I, J, M, N, P... (B, D, E)	SULFATE ION	non-polymer		96.1	6	Chemie (SO4)
4	S, T, U, V, W... (A, B, C, D, E...)	water	water		18.0	163	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	6
	Total formula weight	157721.9
Non-Polymers*	Number of molecules	12
	Total formula weight	968.8
All*	Total formula weight	158690.7

*Water molecules are not included.