4WAM

H. influenzae beta-carbonic anhydrase variant W39V/G41A/P48S/A49P

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)	beta-carbonic anhydrase	polymer	229	26229.9	2	UniProt (P45148) Pfam (PF00484)	Haemophilus influenzae	Carbonate dehydratase 2
2	C, H (A, B)	ZINC ION	non-polymer		65.4	2	Chemie (ZN)
3	D, E, F, G (A)	PHOSPHATE ION	non-polymer		95.0	4	Chemie (PO4)
4	I, J (A, B)	water	water		18.0	144	Chemie (HOH)

Sequence modifications

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

PDB	External Database	Details
Val 39	Trp 39	engineered mutation
Ala 41	Gly 41	engineered mutation
Ser 48	Pro 48	engineered mutation
Pro 49	Ala 49	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	52459.9
Non-Polymers*	Number of molecules	6
	Total formula weight	510.7
All*	Total formula weight	52970.6

*Water molecules are not included.