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6 Flashcards

(9 cards)

1
Q

what are isosteres

A
  • molecules or atoms that contain the same number of atoms and valent electrons
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2
Q

what is hydrides displacement law and what 4 atoms does it apply to

A

the addition of a hydride to an atom gives to the resulting pseudo atom the properties of the atom with the next highest atomic number
- only applies to:
- carbon
- nitrogen
- oxygen
- fluorine

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3
Q

how does the law work, example of up and down

A
  • when going up an atomic number you remove a hydride to make the atomic number the original
  • when going down you add a hydride to make it the original atomic number
  • with CH2 you can only go up to NH as you can only remove 1 H
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4
Q

what are bio isosteres

A
  • groups or molecules which have chemical and physical similarities producing broadly similar biological effects
  • not possible to work out
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5
Q

what is in silico

A

computer modelling

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6
Q

3 ways to use computer modelling

A
  1. real shape of molecule
  2. design/redesign a molecule to optimize binding
  3. work out potential binding sites and molecules
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7
Q

what is real shape of molecule

A
  • molecules fold up to the shape that requires the least energy
  • so calculate the shape of the molecule that isn’t folded
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8
Q

3 ways to fix if you don’t have structural info

A
  • use results of experiment combined with modelling to help us to decide how to improve molecule
  • use structural date of similar targets as a guide
  • get a supercomputer to predict the structure of our target based on knowledge of protein sequence
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9
Q

prerequisite of using supercomputer to predict structure

A

still need lab data for official checking of compound

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