Arabidopsis thaliana

Protein expression and characterization of SEP3 from Arabidopsis thaliana

Q. Shi, Zhou, J., Wang, P., Lin, X., and Xu, Y., Protein expression and characterization of SEP3 from Arabidopsis thaliana, vol. 14, pp. 12529-12536, 2015.

SEPALLATA (SEP) MADS-box genes play crucial roles in the regulation of floral growth and development. They are required for the specification of sepals, petals, stamens, and carpels as well as for floral determinacy. SEPs perform their functions through the formation of homo- or hetero-polymers, which are the molecular basis of floral quartets. In vitro assays indicated that SEP3 forms a tetramer after binding to DNA, but it is unclear whether DNA binding induces the tetramer, because SEP3 is often reported to form a dimer.

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