Assertion: polypeptide's sequence | /r/ObjectUse | used for protein
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Source sentences:
text: When sequence homogeneity percentage ratio is used for protein, can recognize, different residue positions is through the conservative amino acid replacement aspect difference of being everlasting, promptly, this moment, amino acid residue was had other amino acid residues replacements of similar chemical property (for example electric charge or hydrophobicity), and did not therefore change the functional characteristic of this molecule.