Structure and Properties of Peptides The oxygen in hemoglobin and myoglobin is bound to lysine residues in the protein the nitrogen atoms on the heme histidine residues in the protein the iron atom in the heme group lysine residues in the protein the nitrogen atoms on the heme histidine residues in the protein the iron atom in the heme group ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides The heme is held in place by a bond between the Fe2+ and cysteine the Fe3+ and cysteine the Fe2+ and histidine the Fe3+ and histidine the Fe2+ and cysteine the Fe3+ and cysteine the Fe2+ and histidine the Fe3+ and histidine ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides If the F and Y angles of each peptide unit in a protein are known, which of the following may also be determined? Complete tertiary structure Complete quaternary structure Complete secondary structure Thermodynamic stability Complete tertiary structure Complete quaternary structure Complete secondary structure Thermodynamic stability ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides The peptide, Val-Lys-Glu-Met-Ser-Trp-Arg-Ala, was digested with cyanogen bromide (CNBr) to produce: Val-Lys + Glu-Met-Ser + Trp-Arg-Ala Val-Lys-Glu-Met-Ser-Trp + Arg-Ala Val-Lys-Glu + Met-Ser-Trp-Arg-Ala Val-Lys-Glu-Met + Ser-Trp-Arg-Ala Val-Lys + Glu-Met-Ser + Trp-Arg-Ala Val-Lys-Glu-Met-Ser-Trp + Arg-Ala Val-Lys-Glu + Met-Ser-Trp-Arg-Ala Val-Lys-Glu-Met + Ser-Trp-Arg-Ala ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides The Ramachandran Plot illustrates the fact that 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 the peptide bond is planar ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides The peptide bond in proteins is usually cis unless proline is the next amino acid only found between proline residues usually trans unless proline is the next amino acid is planar because of steric hinderance usually cis unless proline is the next amino acid only found between proline residues usually trans unless proline is the next amino acid is planar because of steric hinderance ANSWER DOWNLOAD EXAMIANS APP