Encara no tenim significats per a "catalytic histidine".
1Mutations at the putative catalytic histidine and cysteine residues abolished the processing of the 27-kDa protein.
2In addition to the conservation of calcium binding motif and the catalytic histidine, the sequences exhibit specific 'amino acid signatures'.
3If this is so, the catalytic histidine residue would have to move about 35 A to react with the nucleotide.
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