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20 Cards in this Set
- Front
- Back
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Hydrophobic Doesn't contribute to hydrophobic interactions Nonpolar Aliphatic Hydrogen R group- most simple Low steric hinderance |
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Hydrophobic Nonpolar Aliphatic Methyl R group |
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Hydrophobic Nonpolar Aliphatic Isopropyl R group |
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Hydrophobic Nonpolar Aliphatic Isobutyl R group |
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Hydrophobic Nonpolar Aliphatic Sec-butyl R group |
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Hydrophobic Nonpolar Aliphatic Thioether in its R group |
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Hydrophobic Nonpolar Aliphatic R group is a 4 Carbon ring bonded to N terminus Bond flexibility decreased |
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Hydrophobic Nonpolar AROMATIC- most nonpolar of aromatics R group contains a phenyl (benzene) |
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Hydrophobic Nonpolar AROMATIC R group contains an indole ring |
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Polar
Uncharged Methyl alcohol R group |
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Polar Uncharged Ethyl alcohol R group |
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Polar Uncharged AROMATIC Phenol R group (a benzene attached to an alcohol group) Forms H bonds pKa= 10.9 |
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Polar Uncharged Thiol group -SH Forms disulfide bonds AAs of peptide chains Stabilizes tertiary and quaternary structure pKa= 8.3 |
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Polar Uncharged Carboxamide R group (Shorter than Glutamine) |
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Polar Uncharged Carboxamide R group (longer than Asparagine). |
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Positive Polar BASIC at biological pH R group has second primary amino group pKa= 10.8 |
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Positive Polar BASIC at biological pH Guanidinium R- group pKa=12.5 |
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Positive Polar BASIC and ACIDIC at biological PH Aromatic imidazole R group pKa= 6.0 |
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Negative Polar ACIDIC Carboxylic acid R group shorter than glutamate pKa= 4.1 |
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Negative Polar ACIDIC Carboxylic acid R-group longer than aspartate pKa=4.1 |
