Fig. 2From: The occurrence of progesterone 5β-reductase is not limited to the angiosperms: a functional gene was identified in Picea sitchensis and expressed in Escherichia coli Protein sequence of P5ßR from P. sitchensis (ABK24388.1). The conserved motifs (I to VIII) were printed in bold according to Perez-Bermudez et al. (2010). Letters below the sequence symbolize α-helices (h) and β-sheet-like structural elements (s)Back to article page