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Structure-sequence comparison of the pectate lyases Pel3 and PelI.A, superimposition of Pel31m (blue, PDB 4U4B) and PelI (orange, PDB 3B4N) structures in ribbon representation. Bound calcium and sulfate ions are shown for Pel3. The disordered interdomain linker is not visible in PelI structure and is depicted by a dashed line. B, structure-based sequence alignment of Pel3 and PelI with secondary structure elements. The identical and similar residues are shown on red background.
