Protein structure. Amino acids Amino acids: R group properties.
Amino Acids. Properties of Amino Acids Ques. 4: Use the above structures to answer the questions...
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Transcript of Amino Acids. Properties of Amino Acids Ques. 4: Use the above structures to answer the questions...
![Page 1: Amino Acids. Properties of Amino Acids Ques. 4: Use the above structures to answer the questions below: a. Which amino acid is most polar? b. Which.](https://reader035.fdocuments.in/reader035/viewer/2022062719/56649ef45503460f94c0756e/html5/thumbnails/1.jpg)
Amino Acids
![Page 2: Amino Acids. Properties of Amino Acids Ques. 4: Use the above structures to answer the questions below: a. Which amino acid is most polar? b. Which.](https://reader035.fdocuments.in/reader035/viewer/2022062719/56649ef45503460f94c0756e/html5/thumbnails/2.jpg)
Amino Acids
![Page 3: Amino Acids. Properties of Amino Acids Ques. 4: Use the above structures to answer the questions below: a. Which amino acid is most polar? b. Which.](https://reader035.fdocuments.in/reader035/viewer/2022062719/56649ef45503460f94c0756e/html5/thumbnails/3.jpg)
Amino Acids
![Page 4: Amino Acids. Properties of Amino Acids Ques. 4: Use the above structures to answer the questions below: a. Which amino acid is most polar? b. Which.](https://reader035.fdocuments.in/reader035/viewer/2022062719/56649ef45503460f94c0756e/html5/thumbnails/4.jpg)
Amino Acids
![Page 5: Amino Acids. Properties of Amino Acids Ques. 4: Use the above structures to answer the questions below: a. Which amino acid is most polar? b. Which.](https://reader035.fdocuments.in/reader035/viewer/2022062719/56649ef45503460f94c0756e/html5/thumbnails/5.jpg)
Properties of Amino Acids• Ques. 4: Use the above structures to answer the questions below:• a. Which amino acid is most polar?• b. Which amino acid is least polar?• c. Which amino acid has an acidic side chain?• d. Which amino acid has a basic side chain?
![Page 6: Amino Acids. Properties of Amino Acids Ques. 4: Use the above structures to answer the questions below: a. Which amino acid is most polar? b. Which.](https://reader035.fdocuments.in/reader035/viewer/2022062719/56649ef45503460f94c0756e/html5/thumbnails/6.jpg)
Properties of Amino Acids• Ques. 5: Use the below structures to answer the questions:
• a. Which amino acid is most polar?
• b. Which amino acid is least polar?
• c. Which amino acid is the most polar looking at thr and ser?
• d. Which amino acid is the least polar looking at asp and glu?
![Page 7: Amino Acids. Properties of Amino Acids Ques. 4: Use the above structures to answer the questions below: a. Which amino acid is most polar? b. Which.](https://reader035.fdocuments.in/reader035/viewer/2022062719/56649ef45503460f94c0756e/html5/thumbnails/7.jpg)
Amino Acids• Zwitterion - acid and amine react with each other internally.
![Page 8: Amino Acids. Properties of Amino Acids Ques. 4: Use the above structures to answer the questions below: a. Which amino acid is most polar? b. Which.](https://reader035.fdocuments.in/reader035/viewer/2022062719/56649ef45503460f94c0756e/html5/thumbnails/8.jpg)
Amino Acids• -> -> Increasing pH -> ->
• pH << pK << pH • Acids: HA molecular A- ionic
• Bases: BH+ ionic B molecular
![Page 9: Amino Acids. Properties of Amino Acids Ques. 4: Use the above structures to answer the questions below: a. Which amino acid is most polar? b. Which.](https://reader035.fdocuments.in/reader035/viewer/2022062719/56649ef45503460f94c0756e/html5/thumbnails/9.jpg)
Amino Acids• -> -> Increasing pH -> ->
• pH << pK << pH • Acids: HA molecular A- ionic
• Bases: BH+ ionic B molecular
![Page 10: Amino Acids. Properties of Amino Acids Ques. 4: Use the above structures to answer the questions below: a. Which amino acid is most polar? b. Which.](https://reader035.fdocuments.in/reader035/viewer/2022062719/56649ef45503460f94c0756e/html5/thumbnails/10.jpg)
Amino Acids• -> -> Increasing pH -> ->
• pH << pK << pH • Acids: HA molecular A- ionic
• Bases: BH+ ionic B molecular
![Page 11: Amino Acids. Properties of Amino Acids Ques. 4: Use the above structures to answer the questions below: a. Which amino acid is most polar? b. Which.](https://reader035.fdocuments.in/reader035/viewer/2022062719/56649ef45503460f94c0756e/html5/thumbnails/11.jpg)
Amino Acids
![Page 12: Amino Acids. Properties of Amino Acids Ques. 4: Use the above structures to answer the questions below: a. Which amino acid is most polar? b. Which.](https://reader035.fdocuments.in/reader035/viewer/2022062719/56649ef45503460f94c0756e/html5/thumbnails/12.jpg)
Separations of Amino Acids
![Page 13: Amino Acids. Properties of Amino Acids Ques. 4: Use the above structures to answer the questions below: a. Which amino acid is most polar? b. Which.](https://reader035.fdocuments.in/reader035/viewer/2022062719/56649ef45503460f94c0756e/html5/thumbnails/13.jpg)
Amino Acids
• -> -> Increasing pH -> ->• pH << pK << pH
• Acids: HA molecular A-
ionic• Bases: BH+ ionic B molecular
• Mixture of val pI = 6; asp pI = 2.8, lys pI = 9.7in a buffer at pH = 6. What is the form of each?
CNCH
CHCH3H3C
O
O_+ H3
val
C
N
CH
CH2C
O
-O
O
O-H3+
asp lys
C
N
CH
CH2H2C
CH2H2C
N O
O-
H3+ H3
+
![Page 14: Amino Acids. Properties of Amino Acids Ques. 4: Use the above structures to answer the questions below: a. Which amino acid is most polar? b. Which.](https://reader035.fdocuments.in/reader035/viewer/2022062719/56649ef45503460f94c0756e/html5/thumbnails/14.jpg)
Reactions Amino Acids - Salt Formation
• Acid + amine --> salt (acid donates H+ to amine)
![Page 15: Amino Acids. Properties of Amino Acids Ques. 4: Use the above structures to answer the questions below: a. Which amino acid is most polar? b. Which.](https://reader035.fdocuments.in/reader035/viewer/2022062719/56649ef45503460f94c0756e/html5/thumbnails/15.jpg)
Reactions Amino Acids - Disulfide
• 2 thiols + (O) --> disulfide + HOH
![Page 16: Amino Acids. Properties of Amino Acids Ques. 4: Use the above structures to answer the questions below: a. Which amino acid is most polar? b. Which.](https://reader035.fdocuments.in/reader035/viewer/2022062719/56649ef45503460f94c0756e/html5/thumbnails/16.jpg)
Synthesis of a peptide• Amine + acid --> amide + HOH
![Page 17: Amino Acids. Properties of Amino Acids Ques. 4: Use the above structures to answer the questions below: a. Which amino acid is most polar? b. Which.](https://reader035.fdocuments.in/reader035/viewer/2022062719/56649ef45503460f94c0756e/html5/thumbnails/17.jpg)
Synthesis of a peptide• Amine + acid --> amide + HOH
![Page 18: Amino Acids. Properties of Amino Acids Ques. 4: Use the above structures to answer the questions below: a. Which amino acid is most polar? b. Which.](https://reader035.fdocuments.in/reader035/viewer/2022062719/56649ef45503460f94c0756e/html5/thumbnails/18.jpg)
Synthesis of a peptide• Write repeating units of backbone and add side chains