Indicate the net charge of cysteine at pH 9.5
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Indicate the net charge of cysteine at pH 9.5
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- Given this: Protein Isoelectric pH Molecular weight (kDa) Ovalbumin 4.6 45 Insulin 5.4 5.7 Fibrinogen 5.8 340 Y-globulin 6.6 160 Collagen 6.6 115 Hemoglobin (monomer) 7.1 16 Мyoglobin 7.0 16.7 What is the appearance after visualization of a protein mixture containing the seven proteins above when subjected to SDS-PAGE?Part C Calculate to three decimal places the charge on a-melanotropin at pH value of 5. Express your answer using three decimal places. VE ΑΣΦ Submit Request Answer Part D Calculate to three decimal places the charge on a-melanotropin at pH value of 1. Express your answer using three decimal places. VE ΑΣΦ Submit ? Request Answer ?Determine the net charge (to the nearest integer) on the following peptide at pH 5 AND pH 12. Estimate the isoelectric point (pl) for this peptide: H2N-Leu-Gly-Lys-Glu-COOH Assume the pK,s for functional groups are: alpha-amino 6. alpha-carboxy sidechain-amino (Lys) 10.5 sidechain-carboxy (Glu) 4.2 O Net charge at pH 5 and 12 is 0 and -2, respectively, pl =6.6 O Net charge at pH 5 and 12 is 0 and -2, respectively, pl =3.1 O Net charge at plH 5 and 12 is +2 and -1, respectively, pl =7.5 O Nct charge at pH 5 and 12 is +1 and -1. respectively,. pl -4.5 2.
- Based on the following titration table of Glycine, would you be able to recreate the same for Histidine? Glicina Increasing pH H-N-CH,-COOH -H-N-CH,-co = H-N-CH,-C00- Net charge: +1 pH COOH-pKa = 2.3 NH3-pka = 9.6 CN AEq +1 +1 2.3 (0.5°-1)+(0.5°0)=-0.5 +0.5 0.5 9.6 -1 (0.5*+1)+(0.5°0)=+0.5 -0.5 1.5 14 Given that the pKas for Histidine are the following: pka1 = 1.82 pKa2 = 9.17 pКаз %3 6.00 pL = 7.59 2.The following sattements are true for glycogen. EXCEPT: Branching of α(1→6) linkages every 8-12 residues Structure is branched but not as highly as amylopectin of starch Glycogen is stored energy for animals Like amylopectin, glycogen gives a red-violet color with iodineProtein Isoelectric pH Molecular weight (kDa) Ovalbumin 4.6 45 Insulin 5.4 5.7 Fibrinogen 5.8 340 Y-globulin 6.6 160 Collagen Hemoglobin (monomer) 6.6 115 7.1 16 Myoglobin 7.0 16.7 From the given table, draw the appearance after visualization of a protein mixture containing the seven proteins in the table when subjected to SDS-PAGE.
- Bovine chymotrypsinogen has a molecular massof 25.6 kDa. Amino acid analysis shows that thisenzyme is 4.7% Gly (Mr 75.1).b. Calculate how many glycine residues are present in amolecule of bovine chymotrypsinogenThe OH group of the serine side chain (R-OH) can undergo dissociation to form R-O- and H+. However, the ratio of the protonated to unprotonated forms of this group at pH 7 is approximately 1,000,000 to 1. Calculate the pKa of the serine OH group.Structures of L-Cysteine from highly protonated to depronated form. Note Structure A as themost protonated form. Based on the table, 1. Which structure will exist at the following conditions: (a) pH =1.00 (b) pH = 8.33 (c) pH = 7.00
- 1. Draw the condensed structural formulas for A and B. [0] [0] CH, CH, CH-CH, C-OH А B 2. Identify the type of glycosidic bond that links the monosaccharides and the structure of the disaccharide as a- or 8-isomer. CH-OH H. H OH H. CH, HO OH H. H. ОН Н OH HO H. OH A,The following sattements are true for glycogen. EXCEPT: Branching of a(1→6) linkages every 8-12 residues Glycogen is stored energy for animals Like amylopectin, glycogen gives a red-violet color with iodine Structure is branched but not as highly as amylopectin of starchMake use of the table below in answering the questions asked: Amino acid pK₁ pK₂ pK, Isoleucine 2.32 9.76 Leucine 2.32 9.74 Lysine 2.16 9.06 10.54 Tyrosine 2.20 9.21 10.46 1. Kindly draw manually the structure of tripeptic ILY at pH 7.00 2. Kindly draw manually the most protonated structure of tripeptide ILY