Sugar structures names Typically 3 to 7 carbons Polyalcohols If C 1 aldehyde if

Sugar structures names typically 3 to 7 carbons

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Sugar structures, names Typically 3 to 7 carbons Polyalcohols If C-1 = aldehyde = ? ; if C-2 = ketone = ? >5 carbon-sugars exist in open and closed forms Closed forms are Five-atom closed form sugars are known as furanosides Six-atom closed forms of sugars are known as pyranosides
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Sugar structures, names Typically 3 to 7 carbons Polyalcohols If C-1 = aldehyde = aldose ; if C-2 = ketone = ? >5 carbon-sugars exist in open and closed forms Closed forms are hemiacetals Five-atom closed form sugars are known as furanosides Six-atom closed forms of sugars are known as pyranosides
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Sugar structures, names Typically 3 to 7 carbons Polyalcohols If C-1 = aldehyde = aldose ; if C-2 = ketone = ketose >5 carbon-sugars exist in open and closed forms Closed forms are hemiacetals or hemiketals Five-atom closed form sugars are known as furanosides Six-atom closed forms of sugars are known as pyranosides
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Examples Fischer projections Haworth diagrams D (extro)
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Disaccharides and polysaccharides
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Amino acids Organic acids with amino group at C or Distinguished by variable side chain Amide bonds between aa = peptide bond N O R OH side group amino group alpha carbon
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Proteins - amino acid polymers aliphatic hydroxyl/sulfur heterocyclic side chain acidic/amide aromatic basic Amino acids fall into 6 groups:
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Amino acids and their pKa values
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Amino acids and their pKa values
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Amino acids and their pKa values
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Protein structure Primary structure -- The sequence of amino acids Secondary structure Localized folding of protein ü helix ü sheet
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Protein Structure cont.
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  • Spring '09
  • kaspar/escalnte/downs
  • Amino Acids

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