6AW8

2.25A resolution domain swapped dimer structure of SAH bound catechol O-methyltransferase (COMT) from Nannospalax galili

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	Catechol O-methyltransferase	polymer	228	25717.4	3	Pfam (PF01596) UniProt (by SIFTS) (A0A452CSQ0) In PDB	Nannospalax galili	COMT
2	A, B, C	CALCIUM ION	non-polymer		40.1	3	Chemie (CA)
3	A, B, C	S-ADENOSYL-L-HOMOCYSTEINE	non-polymer		384.4	3	Chemie (SAH)
4		water	water		18.0	148	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	3
	Total formula weight	77152.1
Non-Polymers*	Number of molecules	6
	Total formula weight	1273.5
All*	Total formula weight	78425.6

*Water molecules are not included.