All Posts Tagged With: "Cysteine"

What is the significance of cysteine in its formation of disulfide bonds?

Question by squigglespunk: What is the significance of cysteine in its formation of disulfide bonds? Please help! Best answer: Answer by ZeepDisulfide bonds hold many proteins in the conformations required for activity, or hold subunits of proteins together to allow them to function. Add your own answer in the comments!

21Dec2011 | glow | 1 comment | Continued

Cysteine is important for the stabilization of which level of protein structure?

Question by shantibala: Cysteine is important for the stabilization of which level of protein structure? would it be all primary,secondary, tertiary or all of the above, i think its all of the above. Best answer: Answer by kumorifoxIt can form disulfide bridges, and is a polar molecule. The disulfides are used to stabilise the tertiary [...]

11Dec2011 | glow | 0 comments | Continued

How many possible tripeptides can be made with the amino acids:tyrosine,histidine, and cysteine?

Question by jD: How many possible tripeptides can be made with the amino acids:tyrosine,histidine, and cysteine? How many possible tripeptides can be made with the amino acids: tyrosine, histidine, and cysteine (where each peptide contains all 3 amino acids)? a. 3 b. 4 c. 9 d. 6 Best answer: Answer by kumorifox6 3×2×1 = 6 [...]

6Dec2011 | glow | 0 comments | Continued

Taurine Cysteine Sulfur Star end IV 12JUL2010

Taurine is an amino acid that doens’t get the credit it deserves…again it’s ESSENTIAL FOR CATS! (that’s why they need meat, was told dogs did too but may not?) so see it’s only three oxygens on the sulfur (usually four!) and is a “mono-protic” acid that’s only ONE proton to acidify-ionize not the tow that [...]

15Nov2011 | glow | 1 comment | Continued

The Cysteine – the idealist vs the realist

Song 2 from “Who inspires you” this time inspired by Neutral Milk Hotel Video Rating: 0 / 5

20Sep2011 | glow | 0 comments | Continued

What are some enzymes that use cysteine in the active site?

Question by Matthew Hannon: What are some enzymes that use cysteine in the active site? The cysteine residue must be active in catalyzing the reaction. Please show your source. Best answer: Answer by Peter SThe repair of DNA containing O6-alkylated guanine is carried out by DNA-[protein]-cysteine S-methyltransferase (EC:2.1.1.63). The major mutagenic and carcinogenic effect of [...]

30Aug2011 | glow | 0 comments | Continued

Q&A: N-Acetyl Cysteine and N-Acetyl-L-Cysteine.?

Question by Manis: N-Acetyl Cysteine and N-Acetyl-L-Cysteine.? What is the difference between N-Acetyl cysteine and N-Acetyl L Cysteine? I use N-Acetyl cysteine as a supplement and a mucolitic for my sinus. Will N-Acetyl L cysteine better or the same or worse? Best answer: Answer by SmokeybonesThey are really the same thing. N-Acetyl Cysteine is the [...]

26Aug2011 | glow | 0 comments | Continued

What special role is played by the amino acid cysteine?

Question by Coley: What special role is played by the amino acid cysteine? What special role is played by the amino acid cysteine? How do disulfide bridges influence protein shape and stability? Best answer: Answer by TerrieSulphur (in the form of sulphide -SH) is in the amino acid cysteine. When two cysteine amino acids are [...]

23Aug2011 | glow | 1 comment | Continued

How do you draw the amino acid cysteine?

Question by junebug: How do you draw the amino acid cysteine? Also, how would draw two cysteine molecules joined together by a peptide bond? Best answer: Answer by VKhttp://www.benbest.com/nutrceut/cysteine.jpg Draw 2 of this structure with the CONH link Know better? Leave your own answer in the comments!

9Aug2011 | glow | 0 comments | Continued

What is the correct dosage of N-Acetyl cysteine as a daily supplement?

Question by Manis: What is the correct dosage of N-Acetyl cysteine as a daily supplement? I have found websites that recommend from 250 mg/day to 2000 mg/day. Most agree on 600 mg/day. But what is the best dosage? Best answer: Answer by torskieBest dosage is ZERO mg. Eat natural foods and live longer. Know better? [...]

7Jun2011 | glow | 2 comments | Continued