215F07notes-AAtable-11-28-07

215F07notes-AAtable-11-28-07 - pKa Values for the Ionizable...

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Chem 215 F07 (M. Koreeda): The 20 naturally occurring amino acids November 28, 2007 H 2 N OH H CH 3 O H 2 N OH H O H 2 N OH H H O O NH 2 H 2 N OH H O H 2 N OH H O SH O NH 2 H 2 N OH H O H H 2 N OH H O H 2 N OH H O SCH 3 H N OH O H H 2 N OH H O OH H 2 N OH H O H HO H 2 N OH H O N H H 2 N OH H O OH H 2 N OH H O H 2 N OH H O Alanine Asparagine Cysteine Glutamine Glycine Isoleucine Leucine Methionine Phenylalanine Proline Serine Threonine Tryptophan Tyrosine Valine Ala A Asn N Cys C Gln Q Gly G I le I Leu L Met M Phe F Pro P Ser S Thr T Trp W Tyr Y Val V Acidic amino acids Basic amino acids name/structure abbreviations name/structure abbreviations name/structure abbreviations name/structure abbreviations name/structure abbreviations Neutral amino acids H 2 N OH H O O OH Aspartic acid Asp D H 2 N OH H O O OH Glutamic acid Glu E H 2 N OH H O N H Arginine Arg R H 2 N OH H O Histidine His H H 2 N OH H O Lysine Lys K NH 2 NH NH 2 HN N name/structure abbreviations
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Chem 215 F07 (M. Koreeda) November 28, 2007
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Unformatted text preview: pKa Values for the Ionizable Functional Groups of an -Amino Acid Amino acid -COOH -NH 3 + Side chain pI Alanine 2.35 9.87 - 6.1 Arginine 2.01 9.04 12.48 10.76 Asparagine 2.02 8.80 - 5.41 Aspartic acid 2.10 9.82 3.86 2.98 Cysteine 2.05 10.25 8.00 5.02 Glutamic acid 2.10 9.47 4.07 3.08 Glutamine 2.17 9.13 - 5.65 Glycine 2.35 9.78 - 6.06 Histidine 1.77 9.18 6.10 7.64 Isoleucine 2.32 9.76 - 6.04 Leucine 2.33 9.74 - 6.04 Lysine 2.18 8.95 10.53 9.74 Methionine 2.28 9.21 - 5.74 Phenylalanine 2.58 9.24 - 5.91 Proline 2.00 10.00 - 6.30 Serine 2.21 9.15 - 5.68 Threonine 2.09 9.10 - 5.60 Tryprophan 2.38 9.39 - 5.88 Tyrosine 2.20 9.11 10.07 5.63 Valine 2.29 9.72 - 6.00 _____________________________________________________________________...
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215F07notes-AAtable-11-28-07 - pKa Values for the Ionizable...

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