Enzyme:6.3.4.4

Upper Levels: EC6.-.-.- Ligases. : EC6.3.-.- Forming carbon-nitrogen bonds. : EC6.3.4.- Other carbon--nitrogen ligases.

IDs and Links
IUBMB	EC6
ExPaSy	NiceZyme 6.3.4.4

IMP:L-aspartate ligase (GDP-forming)
Systematic Name	IMP:L-aspartate ligase (GDP-forming)
Common Name	adenylosuccinate synthase IMP-aspartate ligase adenylosuccinate synthetase succinoadenylic kinosynthetase succino-AMP synthetase

GTP + IMP + L-Aspartic acid => GDP + Adenylo-succinic acid + Orthophosphate (links: GTP + IMP + (2S)-2-aminobutanedioic acid = GDP + 2- [ [9- [ (2R,3R,4S,5R) -3,4-Dihydroxy-5- (phosphonooxymethyl) oxolan-2-yl] purin-6-yl] amino] butanedioic acid)

GTP <Mapping> AtomMap:BMCCPUGU0013$BMCCPUGU0011$0 GDP 1 ↔ 1 2 ↔ 2 3 ↔ 3 4 ↔ 4 5 ↔ 5 6 ↔ 6 7 ↔ 7 8 ↔ 8 9 ↔ 9 10 ↔ 10 12 ↔ 12 13 ↔ 13 14 ↔ 14 15 ↔ 15 16 ↔ 16 IMP <Mapping> AtomMap:BMCCPUXA0014$BMCCPUAPj019$0 2- [ [9- [ (2R,3R,4S,5R) -3,4-Dihydroxy-5- (phosphonooxymethyl) oxolan-2-yl] purin-6-yl] amino] butanedioic acid 1 ↔ 5 2 ↔ 6 3 ↔ 7 4 ↔ 8 5 ↔ 9 6 ↔ 10 7 ↔ 13 8 ↔ 12 9 ↔ 11 11 ↔ 15 12 ↔ 16 13 ↔ 17 14 ↔ 18 15 ↔ 19 (2S)-2-aminobutanedioic acid <Mapping> AtomMap:BMAAS4CA0003$BMCCPUAPj019$0 2- [ [9- [ (2R,3R,4S,5R) -3,4-Dihydroxy-5- (phosphonooxymethyl) oxolan-2-yl] purin-6-yl] amino] butanedioic acid 1 ↔ 1 2 ↔ 2 3 ↔ 3 4 ↔ 4 5 ↔ 14