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On the information expressed in enzyme primary structure: lessons from Ribonuclease A

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Abstract

The information expressed in an enzyme’s primary structure is investigated. Brownian computations are directed at Ribonuclease A (RNase A) so as to quantify the information at the atom/covalent bond level. The information content and distribution are crucial because the primary structure underpins the molecule’s chemical functions. Brownian computation data are illustrated for the native protein, mutants, and sequence isomers. The results identify signature features of the active protein on new information grounds. The same tools offer rapid screening of proteins and polypeptides whereby several examples are illustrated.

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Abbreviations

PDB:

Protein data bank

RNase A:

Ribonuclease A

RNA:

Ribonucleic acid

QSAR:

Quantitative structure activity relation

CI:

Correlated information

MI:

Mutual information

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Authors and Affiliations

  1. Department of Chemistry, Loyola University Chicago, 6525 North Sheridan Road, Chicago, IL, 60626, USA

    Daniel J. Graham & Jessica L. Greminger

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  1. Daniel J. Graham
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  2. Jessica L. Greminger
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Correspondence to Daniel J. Graham.

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Graham, D.J., Greminger, J.L. On the information expressed in enzyme primary structure: lessons from Ribonuclease A. Mol Divers 14, 673–686 (2010). https://doi.org/10.1007/s11030-009-9211-3

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