Significados de catalytic histidine en inglés

Mutations at the putative catalytic histidine and cysteine residues abolished the processing of the 27-kDa protein.

In addition to the conservation of calcium binding motif and the catalytic histidine, the sequences exhibit specific 'amino acid signatures'.

If this is so, the catalytic histidine residue would have to move about 35 A to react with the nucleotide.