amino acids

Card Set Information

Author:
thesillytaco
ID:
239589
Filename:
amino acids
Updated:
2013-10-08 20:27:03
Tags:
common 20
Folders:

Description:
names and slight description
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  1. Ala
    • alanine A
    • non polar
    • aliphatic hydrocarbon
  2. Val
    • valine V
    • non polar
    • aliphatic hydrocarbon
  3. Leu
    • leucine L
    • non polar
    • aliphatic hydrocarbon
  4. Ile
    • isoleucine I
    • non polar
    • aliphatic hydrocarbon
  5. Phe
    • Phenylalonine F
    • non polar
    • aromatic ring
  6. Trp
    • Tryptophan W
    • non polar
    • aromatic ring
  7. Pro
    • Proline P
    • non polar
    • aliphatic hydrocarbon
    • cyclic structure
  8. Met
    • Methionine M
    • non polar
    • sulfur and aliphatic
  9. Gly
    • glycine G
    • uncharged polar
    • no stereocenter
    • no side chains
    • can be a side chain
  10. Ser
    • serine S
    • uncharged polar
    • -OH bonded to aliphatic hydrocarbon
  11. Thr
    • Threonine T
    • uncharged polar
    • -OH bonded to aliphatic hydrocarbon
  12. Tyr
    • tyrosine Y
    • uncharged polar
    • -OH bonded to aromatic
    • loses proton at high pH
  13. Cys
    • Cysteine C
    • uncharged polar
    • -SH (thiol)
    • reacts with others to make disulfide bridge
  14. Asn
    • asparagine N
    • uncharged polar
    • amide group
  15. Gln
    • glutamine Q
    • uncharged polar
    • amide group
  16. His
    • Histidine H
    • basic
    • pka= 6
    • positive at pH=7
  17. Asp
    • aspartic acid D
    • acidic, carboxyl group
    • negative at pH=7
  18. Glu
    • glutamic acid E
    • acidic, carboxyl group
    • negative at pH=7
  19. Arg
    • arginine R
    • basic, guanidino group
    • positive at pH=7
  20. Lys
    • lysine K
    • basic
    • NH3 attached to aliphatic
    • positive at pH=7

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