2A8D

Haemophilus influenzae beta-carbonic anhydrase complexed with bicarbonate

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, I, M, P, S... (A, B, C, D, E...)	ZINC ION	non-polymer		65.4	6	Chemie (ZN)
3	H, J, N, Q, T... (A, B, C, D, E...)	BICARBONATE ION	non-polymer		61.0	6	Chemie (BCT)
4	K, L, O, R, U... (B, C, D, E)	SULFATE ION	non-polymer		96.1	6	Chemie (SO4)
5	AA, BA, CA, DA, Y... (C, D, E, F, A...)	water	water		18.0	318	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	6
	Total formula weight	157721.9
Non-Polymers*	Number of molecules	18
	Total formula weight	1334.9
All*	Total formula weight	159056.8

*Water molecules are not included.