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MS
unreviewed

Cytosolic argininosuccinate synthetase (ASS1)

1 reactions · 1 pathways

Cofactors used

Clinical / pharmacological. Citrullinaemia type I

What it does, reaction by reaction

1 reactions

Urea Cycle Amino Acid & Nitrogen Metabolism · Mitochondrial matrix + cytosol

step 3 Irreversible

Citrulline + L-aspartate + ATP → argininosuccinate + AMP + PPᵢ

Converts Citrulline Aspartate ATP into Argininosuccinate AMP PPi

Notes

Cytosolic argininosuccinate synthetase (ASS1) activates citrulline and adds aspartate. MgATP is cleaved to AMP + PPᵢ, making this an essentially irreversible step that consumes two additional high-energy phosphate equivalents.

Showing all 1 reactions.

What accelerates and inhibits it

Regulation is pathway-specific, so each context is listed separately

0 entries

No regulation recorded for this enzyme in the source documents.

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