Glutamate-ammonia ligase pseudogene 4 (GLULP4)

GLULP4, or glutamate-ammonia ligase pseudogene 4, is a human pseudogene located on chromosome 9. It is derived from the glutamate-ammonia ligase (GLUL) gene—also known as glutamine synthetase—which encodes an enzyme critical for the ATP-dependent synthesis of glutamine from glutamate and ammonia in multisystem metabolism. However, GLULP4 does not encode a functional protein and is generally considered non-coding. This gene is classified as a pseudogene because it does not produce an active enzyme, and there are currently no recognized roles for GLULP4 in therapeutics, disease, or as a biomarker. Pseudogenes in general may occasionally exert gene regulatory effects (for example, as competitive endogenous RNAs or through effects on gene dosage), but no such function is specifically documented for GLULP4 in current literature. If you require information about the functional and clinically relevant glutamate-ammonia ligase (glutamine synthetase) gene instead (GLUL), please specify, as it is a distinct entity directly involved in glutamate/ammonia metabolism and several pathologies.

Other names

GLULPglutamate-ammonia ligase (glutamine synthase) pseudogeneglutamate-ammonia ligase (glutamine synthetase) pseudogene 4GLULP4