Figure 3.

Evolutionary relationships of Thitarodes xiaojinensis C‐type lectin domains (CTLDs). A neighbor‐joining tree was built based on the alignment of CTLD sequences. CTLDs from the category of CTL‐S, CTL‐X, immulectin (IML)‐A and IML‐B formed four individual clades shaded pink, yellow, blue and green, respectively. Red dots at the nodes indicate bootstrap values >700 from 1000 trials. Blue arrows denote the key nodes at which the evolution has occurred. There were too few amino acid residues in the IML16A to be included.