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Amino Acids
Molecular Biology
| Question | Answer |
|---|---|
| S | Serine, Ser. Polar, uncharged side chain. Hydrophillic. |
| G | Glycine, Gly. Nonpolar, uncharged side chain. Hydrphobic. |
| A | Alanine, Ala. Nonpolar, uncharged side chain. Hydrophobic. |
| K | Lysine Lys. Ionizable side chain. Basic, makes polypeptide more positive. Hydrophillic. |
| E | Glutamate, Glu. Ionizable side chain. Acidic, makes polypeptide more negative. Hydrophillic. |
| Y | Tyrosine, Tyr. Polar, uncharged side chain. Hydrophillic. |
| C | Cysteine, Cys. Polar, uncharged side chain. Hydrophillic. The only AA that can make disulfide bonds capable of creating quaternary structures. |
| D | Aspartate, Asp. Ionizable side chain. Acidic, makes polypeptide more negative. Hydrophillic. |
| T | Threonine, Thr. Polar, uncharged side chain. Hydrophillic. |
| V | Valine, Val. Nonpolar, uncharged side chain. Hydrophobic. |
| P | Proline, Pro. Nonpolar, uncharged side chain. Hydrophobic. Its ring rigidifies the polypeptide backbone. Torked. |
| R | Arginine, Arg. Ionizable side chain. Basic. Makes polypeptide more positive. Hydrophillic. |
| M | Methionine, Met. Nonpolar, uncharged side chain. Hydrophobic. |
| Q | Glutamine, Gln. Polar, uncharged side chain.Hydrophillic. |
| F | Phenylalanine, Phe. Nonpolar, uncharged side chain. Hydrophobic. |
| H | Histidine, His. Ionizable side chain. Basic. Makes polypeptide more positive. Hydrophillic. |
| L | Leucine, Leu. Nonpolar, uncharged side chain. Hydrophobic. |
| N | Asparagine, Asn. Polar, uncharged side chain. Hydrophillic. |
| I | Isoleucine, Ile. Nonpolar, uncharged side chain. Hydrophobic. |
| W | Tryptophan, Trp. Nonpolar, uncharged side chain. Hydrophobic. |