
Figure 4.
(Left) A schematic representation of the vascular endothelial growth factor receptors (class V RTKs) and the four C. elegansRTKs of the long extracellular region type; (Ig) Immunoglobulin-like domain (cysteine residues are shown), (TM) transmembrane domain, (TK) tyrosine kinase domain. (Right) The percentages of similar amino acids shared by these RTKs.











