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GGAT1

Gene
GGAT1
Protein
Glutamate--glyoxylate aminotransferase 1
Organism
Arabidopsis thaliana
Length
481 amino acids
Function
Catalyzes the glutamate:glyoxylate (GGT or GGAT), alanine:glyoxylate (AGT), alanine:2-oxoglutarate (AKT) and glutamate:pyruvate (GPT) aminotransferase reactions in peroxisomes. Required for abscisic acid (ABA)- and stress-mediated responses in an H(2)O(2)-dependent manner. Function as a photorespiratory aminotransferase that modulates amino acid content during photorespiration (GGAT activity); promotes serine, glycine and citrulline metabolism in response to light.
Similarity
Belongs to the class-I pyridoxal-phosphate-dependent aminotransferase family. Alanine aminotransferase subfamily.
Mass
53.301 kDa
Sequence
MALKALDYDTLNENVKKCQYAVRGELYLRASELQKEGKKIIFTNVGNPHALGQKPLTFPRQVVALCQAPFLLDDPNVGMLFPADAIARAKHYLSLTSGGLGAYSDSRGLPGVRKEVAEFIQRRDGYPSDPELIFLTDGASKGVMQILNCVIRGNGDGILVPVPQYPLYSATISLLGGTLVPYYLDESENWGLDVANLRQSVAQARSQGITVRAMVIINPGNPTGQCLSEANIREILKFCYNEKLVLLGDEVYQQNIYQDERPFISSKKVLMEMGSPFSKEVQLVSFHTVSKGYWGECGQRGGYFEMTNLPPRVVEEIYKVASIALSPNVSAQIFMGLMVNPPKPGDISYDQFARESKGILESLRRRARLMTDGFNSCKNVVCNFTEGAMYSFPQIRLPTGALQAAKQAGKVPDVFYCLKLLEATGISTVPGSGFGQKEGVFHLRTTILPAEDEMPEIMDSFKKFNDEFMTQYDNNFGYSKM