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Fig. 6. ClustalW alignment of (A) the N-terminal silk domain and (B) histidine-rich
domain of preCol D from M. californianus (Mc), M. edulis
(Me) and M. galloprovincialis (Mg). Silk alignment reveals that
M. californianus has two major inserts consisting of polyalanine runs
in the N terminus. His-rich domain alignment reveals that while overall the
identity between M. californianus and the other species is low, the
regions containing histidine are more conserved. Residues in bold type are
conserved between all three species.