2HVW

Crystal structure of dCMP deaminase from Streptococcus mutans

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 (A, B, C)	deoxycytidylate deaminase	polymer	184	20414.2	3	UniProt (Q8DSE5) Pfam (PF00383)	Streptococcus mutans
2	D, E, J, K, P... (A, B, C)	ZINC ION	non-polymer		65.4	6	Chemie (ZN)
3	F, L, R (A, B, C)	MAGNESIUM ION	non-polymer		24.3	3	Chemie (MG)
4	G, M, S (A, B, C)	2'-DEOXYCYTIDINE-5'-TRIPHOSPHATE	non-polymer		467.2	3	Chemie (DCP)
5	H, N, T (A, B, C)	3,4-DIHYDRO-2'-DEOXYURIDINE-5'-MONOPHOSPHATE	non-polymer		310.2	3	Chemie (DDN)
6	I, O, U (A, B, C)	1,4-DIETHYLENE DIOXIDE	non-polymer		88.1	3	Chemie (DIO)
7	V, W, X (A, B, C)	water	water		18.0	784	Chemie (HOH)

Sequence modifications

A, B, C: 1 - 150 (UniProt: Q8DSE5)

PDB	External Database	Details
Met -33	-	expression tag
Gly -32	-	expression tag
Ser -31	-	expression tag
Ser -30	-	expression tag
His -29	-	expression tag
His -28	-	expression tag
His -27	-	expression tag
His -26	-	expression tag
His -25	-	expression tag
His -24	-	expression tag
Ser -23	-	expression tag
Ser -22	-	expression tag
Gly -21	-	expression tag
Leu -20	-	expression tag
Val -19	-	expression tag
Pro -18	-	expression tag
Arg -17	-	expression tag
Gly -16	-	expression tag
Ser -15	-	expression tag
His -14	-	expression tag
Met -13	-	expression tag
Ala -12	-	expression tag
Ser -11	-	expression tag
Met -10	-	expression tag
Thr -9	-	expression tag
Gly -8	-	expression tag
Gly -7	-	expression tag
Gln -6	-	expression tag
Gln -5	-	expression tag
Met -4	-	expression tag
Gly -3	-	expression tag
Arg -2	-	expression tag
Gly -1	-	expression tag
Ser 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	3
	Total formula weight	61242.5
Non-Polymers*	Number of molecules	18
	Total formula weight	3061.7
All*	Total formula weight	64304.3

*Water molecules are not included.