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GA20OX1

Gene
GA20OX1
Protein
Gibberellin 20 oxidase 1
Organism
Arabidopsis thaliana
Length
377 amino acids
Function
Key oxidase enzyme in the biosynthesis of gibberellin that catalyzes the conversion of GA12 and GA53 to GA9 and GA20 respectively, via a three-step oxidation at C-20 of the GA skeleton. GA53 is less effectively oxidized than GA12, and GA25 is also formed as a minor product. Involved in the promotion of the floral transition, fertility and silique elongation, but plays only a minor role in elongation of seedling organs. Acts redundantly with GA20OX2.
Similarity
Belongs to the iron/ascorbate-dependent oxidoreductase family. GA20OX subfamily.
Mass
43.224 kDa
Sequence
MAVSFVTTSPEEEDKPKLGLGNIQTPLIFNPSMLNLQANIPNQFIWPDDEKPSINVLELDVPLIDLQNLLSDPSSTLDASRLISEACKKHGFFLVVNHGISEELISDAHEYTSRFFDMPLSEKQRVLRKSGESVGYASSFTGRFSTKLPWKETLSFRFCDDMSRSKSVQDYFCDALGHGFQPFGKVYQEYCEAMSSLSLKIMELLGLSLGVKRDYFREFFEENDSIMRLNYYPPCIKPDLTLGTGPHCDPTSLTILHQDHVNGLQVFVENQWRSIRPNPKAFVVNIGDTFMALSNDRYKSCLHRAVVNSESERKSLAFFLCPKKDRVVTPPRELLDSITSRRYPDFTWSMFLEFTQKHYRADMNTLQAFSDWLTKPI

Gene
GA20OX1
Protein
Gibberellin 20 oxidase 1
Organism
Oryza sativa subsp. japonica
Length
372 amino acids
Function
Key oxidase enzyme in the biosynthesis of gibberellin (Ref.1, PubMed:15604710). Catalyzes the conversion of GA12 and GA53 to GA9 and GA20 respectively, via a three-step oxidation at C-20 of the GA skeleton (Ref.1).
Similarity
Belongs to the iron/ascorbate-dependent oxidoreductase family. GA20OX subfamily.
Mass
42.256 kDa
Sequence
MSMVVQQEQEVVFDAAVLSGQTEIPSQFIWPAEESPGSVAVEELEVALIDVGAGAERSSVVRQVGEACERHGFFLVVNHGIEAALLEEAHRCMDAFFTLPLGEKQRAQRRAGESCGYASSFTGRFASKLPWKETLSFRYSSAGDEEGEEGVGEYLVRKLGAEHGRRLGEVYSRYCHEMSRLSLELMEVLGESLGIVGDRRHYFRRFFQRNDSIMRLNYYPACQRPLDTLGTGPHCDPTSLTILHQDHVGGLEVWAEGRWRAIRPRPGALVVNVGDTFMALSNARYRSCLHRAVVNSTAPRRSLAFFLCPEMDTVVRPPEELVDDHHPRVYPDFTWRALLDFTQRHYRADMRTLQAFSDWLNHHRHLQPTIYS