Enzyme:2.5.1.22

Upper Levels: EC2.-.-.- Transferases. : EC2.5.-.- Transferring alkyl or aryl groups, other than methyl groups. : EC2.5.1.- Transferring alkyl or aryl groups, other than methyl groups.

IDs and Links
IUBMB	EC2
ExPaSy	NiceZyme 2.5.1.22

S-adenosylmethioninamine:spermidine 3-aminopropyltransferase
Systematic Name	S-adenosylmethioninamine:spermidine 3-aminopropyltransferase
Common Name	spermine synthase spermidine aminopropyltransferase spermine synthetase

S-Adenosyl-L-methioninamine + Spermidine => 5'-Methylthio-adenosine + Spermine (links: S-Adenosyl-L-methioninamine + N- (3-Aminopropyl) butane-1,4-diamine = 2- (6-Aminopurin-9-yl) -5- (methylsulfanylmethyl) oxolane-3,4-diol + N,N'-Bis (3-aminopropyl) -butane-1,4-diamine)

S-Adenosyl-L-methioninamine <Mapping> AtomMap:BMCCPUADf013$BMCCPUADf005$0 2- (6-Aminopurin-9-yl) -5- (methylsulfanylmethyl) oxolane-3,4-diol 1 ↔ 1 2 ↔ 2 3 ↔ 3 4 ↔ 4 5 ↔ 5 6 ↔ 6 7 ↔ 7 8 ↔ 8 9 ↔ 9 10 ↔ 10 11 ↔ 11 12 ↔ 12 13 ↔ 13 14 ↔ 14 15 ↔ 15 19 ↔ 19 24 ↔ 20 N- (3-Aminopropyl) butane-1,4-diamine <Mapping> AtomMap:BMFYB4ANm012$BMFYB4ANm013$0 N,N'-Bis (3-aminopropyl) -butane-1,4-diamine 1 ↔ 1 2 ↔ 2 3 ↔ 3 4 ↔ 4 5 ↔ 5 6 ↔ 6 7 ↔ 7 8 ↔ 8 9 ↔ 9 10 ↔ 10 S-Adenosyl-L-methioninamine <Mapping> AtomMap:BMCCPUADf013$BMFYB4ANm013$0 N,N'-Bis (3-aminopropyl) -butane-1,4-diamine 20 ↔ 11 21 ↔ 12 22 ↔ 13 23 ↔ 14