Protein x - Biology Forum

last updated by

zami’87. 18 years, 3 months ago

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- September 18, 2006 at 3:43 pm #5736
  Ally1788
  Participant
  You are given a solution of protein "x". Protein x consists of 240 amino acid residues. 38% are valine, 24% are alanine, 20% are glycine, and 18% are isoleucine.
  What is the molecular wieght of protein x?
  whats the best way to solve this??
- September 18, 2006 at 7:36 pm #55002
  canalon
  Participant
  Calculate the number of each AA, and multiply by their molecular weight. Hard, I think I sparained a neurone here…
- September 19, 2006 at 5:33 am #55016
  victor
  Participant
  I think I’ll call it hard if the question is asking you to sequence that x protein….:wink:
- September 19, 2006 at 10:59 am #55029
  baikuza
  Participant
  hei, just sum all the MR of those amino acids…
  … after you know the MR each of the amino acid and….
  hmm…
  you know the answer, do not you??
  🙄 🙄 🙄
- September 19, 2006 at 7:50 pm #55053
  zami’87.
  Participant
  quote Ally1788:
  You are given a solution of protein “x”. Protein x consists of 240 amino acid residues. 38% are valine, 24% are alanine, 20% are glycine, and 18% are isoleucine.
  What is the molecular wieght of protein x?
  whats the best way to solve this??
  U need Mr for each amino acid…eg. 240 is 100% and Mr(val) is 38% then u find amount of val….same for others ..after all that u make a sum but keep on mind that u must subtract water molecules that are lost in making polypeptide chain
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