1QRE

A CLOSER LOOK AT THE ACTIVE SITE OF GAMMA-CARBONIC ANHYDRASES: HIGH RESOLUTION CRYSTALLOGRAPHIC STUDIES OF THE CARBONIC ANHYDRASE FROM METHANOSARCINA THERMOPHILA

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	CARBONIC ANHYDRASE	polymer	247	26429.4	1	UniProt (P40881) In PDB	Methanosarcina thermophila
2	A	BICARBONATE ION	non-polymer		61.0	1	Chemie (BCT)
3	A	COBALT (II) ION	non-polymer		58.9	1	Chemie (CO)
4		water	water		18.0	108	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	26429.4
Non-Polymers*	Number of molecules	2
	Total formula weight	120.0
All*	Total formula weight	26549.4

*Water molecules are not included.