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1
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4244088183
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Boyer, P. D, Ed.; Academic: New York
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1. Carboxypeptidase A is a prototypic zinc containing proteolytic enzyme which preferentially hydrolyzes off the C-terminal amino acid residue having a hydrophobic side chain, and as it represents a large family of zinc containing enzymes which are essential for various metabolic pathways, the enzyme has received much attention: (a) Hartsuck, J. A.; Lipscomb, W. N. In Enzymes, 3rd ed.; Boyer, P. D, Ed.; Academic: New York, 1971; Vol.3, pp 1 - 56.
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(1971)
Enzymes, 3rd Ed.
, vol.3
, pp. 1-56
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Hartsuck, J.A.1
Lipscomb, W.N.2
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3
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0011268366
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note
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2. Other important binding forces involved in the enzyme-ligand complex formation are interactions of the hydrophobic side chain of the C-terminal amino acid residue with the primary recognition pocket and the coordination of scissile carbonyl oxygen to the active site zinc ion.
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5
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84995104190
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(b) Yun, M.; Park, C.; Kim, S.; Nam, D.; Kim, S. C.; Kim, D. H. J. Am. Chem. Soc. 1992, 114, 2281-2282.
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(1992)
J. Am. Chem. Soc.
, vol.114
, pp. 2281-2282
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Yun, M.1
Park, C.2
Kim, S.3
Nam, D.4
Kim, S.C.5
Kim, D.H.6
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6
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37049088446
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(c) Lee, S. S.; Li, Z.-H.; Lee, D. H.; Kim, D. H. J. Chem. Soc. Perkin Trans. 1, 1995, 2877-2882.
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(1995)
J. Chem. Soc. Perkin Trans.
, vol.1
, pp. 2877-2882
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Lee, S.S.1
Li, Z.-H.2
Lee, D.H.3
Kim, D.H.4
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9
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0014665768
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4. Because of the unique property of the fluoro group, it has been extensively utilized as a substitute for a proton in the design of medicinal agents and enzyme inhibitors. For reviews: (a) Goldman, P. Science, 1969, 164, 1123-1130.
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(1969)
Science
, vol.164
, pp. 1123-1130
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Goldman, P.1
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12
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0000669220
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5. (a) Nakano, M.; Astuumi, S.; Koike, Y.; Tanaka, S.; Fudabashi, H.; Hashimoto, J.; Okubo, M.; Morishima, H. Chem. Lett. 1990, 505-508.
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(1990)
Chem. Lett.
, pp. 505-508
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Nakano, M.1
Astuumi, S.2
Koike, Y.3
Tanaka, S.4
Fudabashi, H.5
Hashimoto, J.6
Okubo, M.7
Morishima, H.8
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13
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0026642964
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(b) Fincham, C. L.; Higginbottom, M.; Hill, D. R.; Horwell, D. C.; O'Toole, J. C.; Ratcliff, G. S.; Rees, S. C.; Roberts, E. J. Med. Chem. 1992, 35, 1472-1484.
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(1992)
J. Med. Chem.
, vol.35
, pp. 1472-1484
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Fincham, C.L.1
Higginbottom, M.2
Hill, D.R.3
Horwell, D.C.4
O'Toole, J.C.5
Ratcliff, G.S.6
Rees, S.C.7
Roberts, E.8
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15
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0011348361
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note
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3: C, 60.60; H, 5.59. Found: C, 60.49; H, 5.59.
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16
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0011365653
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note
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8 The pKa values were measured on a Kyoto Electronics AT 400 coupled with APB 410 using 0.10 N sodium hydroxide solution as a titrant.
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17
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77049143386
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9. Dixon, M. Biochem. J. 1953, 55, 170-171.
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(1953)
Biochem. J.
, vol.55
, pp. 170-171
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Dixon, M.1
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18
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0011308625
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note
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10. Although the C-F bond is capable of being involved in the interaction with proton donors, they are generally weaker than the corresponding C-O and C-N groups. Being somewhat larger than hydrogen, the fluorine may be get involved in unfavorable interactions with amino acid residues in the active site. However, these steric/electronic perturbations are thought to be insignificant considering the active site structure of the enzyme elucidated by the X-ray diffractometry.
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23
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0028040716
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(e) Frey, P. A.; Whitt, S. A; Tobin, J. B. Science, 1994, 264, 1927-1930.
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(1994)
Science
, vol.264
, pp. 1927-1930
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Frey, P.A.1
Whitt, S.A.2
Tobin, J.B.3
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24
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0011345595
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note
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1b
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