![](https://www.endotext.org/wp-content/uploads/2015/08/tdm-etx-thyroid-ch28-fig14.jpg)
Figure 14. Schematic representation of human SBP2 showing the location of the mutations. Region of minimal functional protein encompassing codon 399-774 is showed in gray. The positions of methionine used as alternative translational initiation sites (M1, M139, M233, M300) are indicated as arrowheads.