Structure and Properties of Peptides What was the first protein whose complete tertiary structure was determined? Pancreatic ribonuclease Myoglobin Lysozyme Pancreatic DNase Pancreatic ribonuclease Myoglobin Lysozyme Pancreatic DNase ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides Disulfide bonds most often stabilize the native structure of extracellular proteins intracellular proteins hydrophobic proteins dimeric proteins extracellular proteins intracellular proteins hydrophobic proteins dimeric proteins ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides The heme is held in place by a bond between the Fe3+ and cysteine the Fe2+ and cysteine the Fe3+ and histidine the Fe2+ and histidine the Fe3+ and cysteine the Fe2+ and cysteine the Fe3+ and histidine the Fe2+ and histidine ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides The peptide bond in proteins is only found between proline residues usually cis unless proline is the next amino acid usually trans unless proline is the next amino acid is planar because of steric hinderance only found between proline residues usually cis unless proline is the next amino acid usually trans unless proline is the next amino acid is planar because of steric hinderance ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides Peptides in the fully extended chain conformation also have a cis geometry in their peptide bonds are equivalent to the (3-sheet structure have Y = F = 180° do not occur in nature also have a cis geometry in their peptide bonds are equivalent to the (3-sheet structure have Y = F = 180° do not occur in nature ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides In β-pleated sheet structures neighbouring neighboring chains are connected by a-helices chains lie in a flat plane neighboring residues are hydrogen bonded neighboring chains are hydrogen bonded neighboring chains are connected by a-helices chains lie in a flat plane neighboring residues are hydrogen bonded neighboring chains are hydrogen bonded ANSWER DOWNLOAD EXAMIANS APP