catalytic activity:GTP + IMP + L-aspartate = GDP + phosphate + N(6)-(1,2-dicarboxyethyl)-AMP.,cofactor:Binds 1 magnesium ion per subunit.,function:Plays an important role in the de novo pathway of purine nucleotide biosynthesis.,pathway:Purine metabolism; AMP biosynthesis via de novo pathway; AMP from IMP: step 1/2.,similarity:Belongs to the adenylosuccinate synthetase family.,subunit:Homodimer.,tissue specificity:Predominantly expressed in skeletal muscle and heart, as well as in several hematopoietic cell lines and solid tumors.,
Cytoplasm .
Predominantly expressed in skeletal muscle and heart, as well as in several hematopoietic cell lines and solid tumors.
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