I got wrong on some questions and I am not sure. Can you please recheck it?? oll

Question

I got wrong on some questions and I am not sure. Can you please recheck it??

ollowing the Tollowing supersecondary structures best describes the moti Tormed supers by amino acid residues E59 to K96 in 1A6M? A. an motif B. an B motif C. an helix D. a BB motif 2. Which of the following supersecondary structures best describes the motif formed by amino acid residues 1-111 for Chain Hoff 4M43? A. a parallel B barrel B. an antiparallel B barrel C. an aB motif D. an antiparallel B sheet 3. Which of the following ranges of amino acid residues represents a B hairpin in 4M43? A. Chain H: 194-199 B. Chain H: 199-201 C. Chain H: 217-222 D. Chain H: 206-222

Explanation / Answer

Answer 1, 5, 6 and 7 are correct and I am not sure about the other answers.

Answer 5. Orthogonal bundles are most abundant secondary structure present according to CATH.

Answer 6. Fe heme prosthetic always inserts to hydrophobic cleft of protein indicating binding sites as hydrophobic.

Answer 7. During interaction of Thr 180 with Arg 30, hydrogen bond forms between carbonyl oxygen in the backbone of the 118 and hydrogen from the guanidinium group on the side chain of Arg.

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