Enzyme:3.5.4.1

Revision as of 09:00, 2 February 2009

cytosine aminohydrolase
Systematic Name	cytosine aminohydrolase
Common Name	cytosine deaminase isocytosine deaminase

6-Amino-1H-pyrimidin-2-one	<Mapping> AtomMap:BMMCPYCT0019$BMMCPYUR0017$0	1H-Pyrimidine-2,4-dione
	1 ↔ 1 2 ↔ 2 3 ↔ 3 4 ↔ 4 5 ↔ 5 6 ↔ 6

6-Amino-1H-pyrimidin-2-one	<Mapping> AtomMap:BMMCPYCT0019$BMIONT--0004$0	NH3
	8 ↔ 1

6-Amino-5-methyl-1H-pyrimidin-2-one	<Mapping> AtomMap:BMMCPYCTr007$BMMCPYTY0006$0	5-Methyl-1H-pyrimidine-2,4-dione
	1 ↔ 1 2 ↔ 2 3 ↔ 3 4 ↔ 4 5 ↔ 5 6 ↔ 6 9 ↔ 9

6-Amino-5-methyl-1H-pyrimidin-2-one	<Mapping> AtomMap:BMMCPYCTr007$BMIONT--0004$0	NH3
	8 ↔ 1

@@ Line 3: / Line 3: @@
 |SysName=cytosine aminohydrolase
 |names=&&cytosine deaminase&&isocytosine deaminase
+}}
+{{Enzyme/Reaction| reaction= Cytosine + H2O => Uracil + NH3
+| list=
+&& BMMCPYCT0019$BMMCPYUR0017$0
+&& BMMCPYCT0019$BMIONT--0004$0
+}}
+{{Enzyme/Reaction| reaction= 5-Methyl-cytosine + H2O => Thymine + NH3
+| list=
+&& BMMCPYCTr007$BMMCPYTY0006$0
+&& BMMCPYCTr007$BMIONT--0004$0
 }}

IDs and Links
IUBMB	EC3
ExPaSy	NiceZyme 3.5.4.1