Structure and Properties of Peptides The heme is held in place by a bond between the Fe3+ and histidine the Fe3+ and cysteine the Fe2+ and histidine the Fe2+ and cysteine the Fe3+ and histidine the Fe3+ and cysteine the Fe2+ and histidine the Fe2+ and cysteine ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides The Ramachandran Plot illustrates the fact that the peptide bond is planar the F & Y angles can assume approximately three different values the F & Y angles can assume any value in a peptide the F & Y angles can assume only a single value in a protein the peptide bond is planar the F & Y angles can assume approximately three different values the F & Y angles can assume any value in a peptide the F & Y angles can assume only a single value in a protein ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides The resonance structures that can be drawn for the peptide bond indicate that the peptide bond is stronger than an ordinary single bond both (a) and (b) has partial double bond character is still not completely understood is stronger than an ordinary single bond both (a) and (b) has partial double bond character is still not completely understood ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides In β-pleated sheet structures neighbouring neighboring chains are connected by a-helices neighboring residues are hydrogen bonded neighboring chains are hydrogen bonded chains lie in a flat plane neighboring chains are connected by a-helices neighboring residues are hydrogen bonded neighboring chains are hydrogen bonded chains lie in a flat plane 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 have Y = F = 180° are equivalent to the (3-sheet structure do not occur in nature also have a cis geometry in their peptide bonds have Y = F = 180° are equivalent to the (3-sheet structure do not occur in nature ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides The major element of secondary structure in myoglobin and hemoglobin is the P-strand the a-helix All of these the reverse turn the P-strand the a-helix All of these the reverse turn ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS