Protein
Indole-3-acetate O-methyltransferase 1
Organism
Oryza sativa subsp. japonica
Function
Catalyzes the methylation of the free carboxyl end of the plant hormone indole-3-acetic acid (IAA). Converts IAA to IAA methyl ester (MeIAA). Regulates IAA activities by IAA methylation. Methylation of IAA plays an important role in regulating plant development and auxin homeostasis. MeIAA seems to be an inactive form of IAA.
Similarity
Belongs to the methyltransferase superfamily. SABATH family.
Sequence
MTMAMASMKGENVTVSAAAAPRMKKLASMLCMKGGNGDGSYLNNSQAQALHARRMLHFLEETLDAMMERSSSDKLFTAADLGCSCGSNSLFIVDVIVRRVSEAYESRGRDAPEFQVFFSDLPSNDFNTLFQLLPPLLAPVAGSLEECLAAGEGAATATRPYHAAGVPGTFYGRLFPGESIDVFTSTFSLHWLSQVPEEVGDSASPAYNGGRVFVHRATEAVAAAYKRQFQADLARFLRSRAREMKRGGAMFLACLGRSSGDPADQGGAGLLFGTHFQDAWDDLVQEGVVEGEKRDSFNIPVYAPSLQEFRDVVRADGAFAIDRLELVRGGSPLVVDRPDDAAEVGRAMANSCKAVAGVLVDAHIGERRGAQLFERLERRAARHARELVEKMHFFHVVCSLSLAP