The 7.8 kDa family of culicine peptides. A) Clustal alignment. The Culex tarsalis proteins are identified by the square symbol and their Ctar-prefix. The remaining sequences are named with the first three letters from the genus name followed by two letters from the species name and by their NCBI protein accession number. Notice conserved cysteine framework in black background and identical amino acids in yellow or gray background. B) Neighbor Joining bootstrapped phylogram of the alignment in A. The numbers on the branches represent the percent bootstrap support. The bar in the bottom represents 10% amino acid divergence. For more details, see text.