Essential Cell Biology
Essential Cell Biology
4th Edition
ISBN: 9780815344544
Author: Keith Roberts, Karen Hopkin, Alexander D Johnson, Martin Raff, Dennis Bray, Bruce Alberts, Julian Lewis, Peter Walter
Publisher: TAYLOR
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Chapter 4, Problem 2Q
Summary Introduction

To determine: The significance in the arrangement of the given sequence (Leu-Lys-Val-Asp-Ile-Ser-Leu-Arg-Leu-Lys-Ile-Arg-Phe-Glu) when incorporated in beta sheets.

Introduction:

Beta sheets are the secondary structure of proteins. There are two types of beta sheets; the parallel and anti-parallel. When two stands of the beta sheets run in similar direction, it is termed as parallel beta strands, whereas when the both strands run in reverse direction, it is termed as anti-parallel beta sheets. In the anti-parallel sheets, amino terminal of one amino acid forms bond with the carboxyl terminal of the nearby strand, and carboxyl terminal of the same amino acid forms bond with the amino terminal of the other nearby strand. Whereas in the parallel sheet, the amino terminal of amino acid in one stand forms a bond with the amino terminal of the nearby strand and the carboxyl end forms hydrogen with the carboxyl end of the nearby strand.

Summary Introduction

To predict: The arrangement of beta sheets in a protein.

Introduction:

Beta sheets are the secondary structure of proteins. There are two types of beta sheets; the parallel and anti-parallel. When two stands of the beta sheets run in similar direction, it is termed as parallel beta strands, whereas when the both strands run in reverse direction, it is termed as anti-parallel beta sheets. In the anti-parallel sheets, amino terminal of one amino acid forms bond with the carboxyl terminal of the nearby strand, and carboxyl terminal of the same amino acid forms bond with the amino terminal of the other nearby strand. Whereas in the parallel sheet, the amino terminal of amino acid in one stand forms a bond with the amino terminal of the nearby strand and the carboxyl end forms hydrogen with the carboxyl end of the nearby strand.

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