Rice gibberellin-binding phosphoprotein structurally related to ribulose-1,5-bisphosphate carboxylase/oxygenase activase

FEBS Letters
S KomatsuH Hirano

Abstract

A gibberellin A (GA)-binding protein was identified from rice (Oryza sativa L.) leaves by a ligand-binding assay. The dissociation constant of GA-binding protein and GA complex was about 100 nM. This protein has a relative molecular mass of 47 000 and an isoelectric point of 5.1. The partial amino acid sequence of the protein was determined for 54 residues from both the N-terminal and internal regions. A sequence homology search indicated that the amino acid sequence of GA-binding protein was homologous to that of the ribulose-1,5-biphosphate carboxylase/oxygenase activase from barley, Arabidopsis, spinach and Chlamydomonas. The GA-binding protein was immunologically detected in two polypeptides in the protein extract from leaves. The GA-binding protein identified was phosphorylated with Ca2+, Mg2+ and ATP in the leaf protein extracts of rice grown in the presence of exogenous GA.

References

Oct 1, 1992·Phytochemistry·S Komatsu, H Hirano
Apr 11, 1989·Nucleic Acids Research·J M Werneke, W L Ogren
Feb 1, 1988·Proceedings of the National Academy of Sciences of the United States of America·J M WernekeW L Ogren
Dec 1, 1987·Plant Physiology·B Keith, L Rappaport

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Citations

Oct 12, 2005·Plant Molecular Biology·Setsuko Komatsu
May 3, 2007·Annual Review of Plant Biology·Miyako Ueguchi-TanakaMakoto Matsuoka
Jan 12, 2002·Biochemical and Biophysical Research Communications·Arun Sharma, Setsuko Komatsu
Feb 14, 2012·Plant Science : an International Journal of Experimental Plant Biology·Zhixing ZhangWenxiong Lin
Mar 2, 2016·Bioscience, Biotechnology, and Biochemistry·Isomaro YamaguchiSeung-Hyun Park
Aug 27, 2013·The Journal of Steroid Biochemistry and Molecular Biology·Anna JaneczkoOndřej Novák
May 13, 2008·Biochemical and Biophysical Research Communications·Huaqin He, Jiaxu Li
Dec 24, 2008·Biochemical and Biophysical Research Communications·Yuqin KeJiaxu Li
Feb 26, 2003·Molecular & Cellular Proteomics : MCP·Setsuko KomatsuGuangxiao Yang
Jul 20, 2005·Plant Molecular Biology·Md Monowar Karim KhanSetsuko Komatsu
Dec 15, 2005·Plant & Cell Physiology·Asad JanSetsuko Komatsu

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