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Fig. 1. Alignments of conserved domains of Gb'hb compared with orthologous
sequences from other insects. (A) Four central fingers (MF-1 to 4), two C
terminal fingers (CF-1 and 2), and A-Box and C-Box of Gryllus
bimaculatus (G.b.) hunchback aligned with those of
Schistocerca americana (S.a.), Oncopeltus fasciatus
(O.f.), Tribolium castaneum (T.c.) and
Drosophila melanogaster (D.m.). Arrowheads indicate the
structural residues of the putative metal-binding fingers. (B) Schematic
structures of various Hunchback proteins, comparing the organization of zinc
fingers. Each box shows a zinc finger or C-box. Corresponding zinc fingers of
different species are shown in the same shade. Four central fingers (MF-1 to
4) and two C terminal fingers (CF-1 and 2) are conserved in all insects in
this figure. The structure of H.t. Hb was predicted from the genomic
sequence (Patel et al., 2001;
Savage and Shankland, 1996).
C.e., Caenorhabditis elegans; H.t., Helobdella
triserialis.
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