Reference Material MT

2 c o ch ch 2 sh nh glu cooh nh2 gly his ch cooh cooh

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Unformatted text preview: OOH COOH COOH CH NH2 CH CH2 CH3 CH2 CH CH3 CH3 CH NH2 HN Met NH2 Phe COOH COOH CH NH2 CH 2 CH 2 S CH 3 CH2 Ser HN CH2 Tyr COOH CH NH2 Val CH CH2 COOH N H OH NH2 CH CH3 CH2 COOH CH CH 2 OH 2HC CH2 COOH NH2 Thr COOH COOH CH CH Trp NH2 Pro CH CH3 NH2 CH H C OH CH 3 CH CH2 CH2 CH2 CH2 NH2 Amino acid pKas Amino acid Alanine Arginine Asparagine Aspartate Cysteine Glutamate Glutamine Glycine Histidine Isoleucine Leucine Lysine Methionine Phenylalanine Proline Serine Threonine Tryptophan Tyrosine Valine Abbreviation Ala Arg Asn Asp Cys Glu Gln Gly His Ile Leu Lys Met Phe Pro Ser Thr Trp Tyr Val α-COOH 2.4 1.8 2.1 2.0 1.9 2.1 2.2 2.4 1.8 2.3 2.3 2.2 2.1 2.2 2.0 2.2 2.1 2.5 2.2 2.3 α -NH 3+ 9.9 9.0 8.7 9.9 10.7 9.5 9.1 9.8 9.3 9.8 9.8 9.0 9.3 9.3 10.6 9.2 9.1 9.4 9.2 9.7 R-group 12.5 3.9 8.3 4.1 6.0 10.5 13.5 13.5 10.5 Formulas and constants pH = -log [H+] pKa = - log Ka Kw = [H3O+] [-OH] Ka = [H+][A-]/[HA] Kb = [-OH] [HA]/ [A-] pH-pKa = log ([A-]/[HA]) ∆G = ∆H-T∆S ∆GoTRANS = -kB . N . T . ln ([ ]octanol/[ ]water) S = kB . N . ln ω ∆G= -kB . N . T . ln (Keq/Q) ∆GoFOLD= -kB . N . T . ln[F/U] Kw = 1 x 10-14 kB = 1.38 x 10-23 J K-1 N = 6.02 x 1023 mol-1...
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