Based on the chemical properties of the residues, which of the following sequenc
ID: 143828 • Letter: B
Question
Based on the chemical properties of the residues, which of the following sequences could form the following? At least one should be placed in each category.
Based on the chemical properties of the residues, which of the following sequences could form the following? At least one should be placed in each category Most likely an amphipathic Most likely an amphipathic B sheet a helix Most likely a turn/ loop Not amphipathic Asn-Leu-Ala-Asp-Ser-Phe-Arg-Gin-lle Lys-Ser-Thr-Asn-Glu-Gin-Asn-Ser-Arg Gin-lle-Thr-Phe-Thr-Leu-GIn-Val-Ser Lys-GIn-Asn-Glu-Pro-Arg-Ala-Asn-Glu Arg-Phe-GIn-lle-His-Val-Gin-Phe-Glu Ala-Phe-Leu-Val-lle-Trp-Phe-Val-AlaExplanation / Answer
An amphipathic alpha helix: asn-leu-ala-asp-ser-phe-arg-gln-ile (Alanine and leucine has greater potency to form alpha helix)
An amphipathic beta sheet: ala-phe-leu-val-ile-trp-phe-val-ala (Here 6 out of nine amino acids are beta favoring because of their large side chain)
Most likely a turn/ loop: lys-gln-asn-glu-pro-arg-ala-asn-glu (Proline favors a tuern or loop because of theis unique structure)
Not amphipathic: Lys-ser-thr-asn-glu-gln-asn-ser-arg (here most of the amino acids are neutral)
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