4P7G

Rat apo-COMT, phosphate bound

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 (A, B, C, D)	Catechol O-methyltransferase	polymer	221	24772.4	4	UniProt (P22734) Pfam (PF01596)	Rattus norvegicus (Rat)
2	E, G, I, J (A, B, C, D)	PHOSPHATE ION	non-polymer		95.0	4	Chemie (PO4)
3	F, H (A, B)	POTASSIUM ION	non-polymer		39.1	2	Chemie (K)
4	K, L, M, N (A, B, C, D)	water	water		18.0	96	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	99089.6
Non-Polymers*	Number of molecules	6
	Total formula weight	458.1
All*	Total formula weight	99547.7

*Water molecules are not included.