✦ LIBER ✦

Theoretical calculation of the circular dichroism of unordered polypeptide chains

✍ Scribed by E. W. Ronish; S. Krimm

Publisher: Wiley (John Wiley & Sons)
Year: 1972
Tongue: English
Weight: 534 KB
Volume: 11
Category: Article
ISSN: 0006-3525
DOI: 10.1002/bip.1972.360110912

No coin nor oath required. For personal study only.

✦ Synopsis

Abstract

A calculation has been done of the circular dichroism (CD) spectrum of an unordered polypeptide chain. This has been based on a Boltzmann averaging over a dipeptide conformational CD map. This is shown to be valid by comparing the CD spectra of 28‐mer oligopeptides with those generated by summing dipeptide CD spectra. The calculated CD spectrum of an unordered polypeptide chain is found to agree with the assignment proposed by Tiffany and Krimm from experimental studies.

📜 SIMILAR VOLUMES

Circular dichroism of the “random” polyp

Circular dichroism of the “random” polypeptide chain

✍ M. Lois Tiffany; S. Krimm 📂 Article 📅 1969 🏛 Wiley (John Wiley & Sons) 🌐 English ⚖ 674 KB

The circular dichroism (CD) spectrum of an unordered polypeptide chain does not correspond, as has been assumed heretofore, to that of a charged chain such as poly-~glutamic acid or poly-clysine. The latter have been shown to have locally ordered structures with characteristic CD spectra. We have no

Critique of the interpretation of the ci

Critique of the interpretation of the circular dichroism of unordered polypeptides and proteins

✍ D. Balasubramanian 📂 Article 📅 1974 🏛 Wiley (John Wiley & Sons) 🌐 English ⚖ 233 KB 👁 1 views

Vibrational spectrum of the unordered po

Vibrational spectrum of the unordered polypeptide chain: A Raman study of feather keratin

✍ S. L. Hsu; W. H. Moore; S. Krimm 📂 Article 📅 1976 🏛 Wiley (John Wiley & Sons) 🌐 English ⚖ 751 KB

## Abstract Raman spectra of native and solubilized feather keratin have been obtained, and the amide I and amide III regions have been analyzed by band resolution techniques. The amide I region of the native form indicates that at least 64% of the protein has an antiparallel chain pleated sheet st

Effects of Local Environment on the Circ

Effects of Local Environment on the Circular Dichroism Spectra of Polypeptides

✍ M. Cascio; B.A. Wallace 📂 Article 📅 1995 🏛 Elsevier Science 🌐 English ⚖ 800 KB

Study by circular dichroism and optical

Study by circular dichroism and optical rotatory dispersion of polypeptides with aromatic side-chain chromophores

✍ Pierre Le Barny; Marie H. Loucheux-Lefebvre 📂 Article 📅 1973 🏛 Wiley (John Wiley & Sons) 🌐 English ⚖ 745 KB

## Abstract Poly(__ortho__‐, __meta__‐, and __para__‐γ‐nitrobenzyl‐L‐glutamates) were studied by circular dichroism (CD) and optical rotatory dispersion (ORD) in two helicogenic solvents, hexafluoroisopropanol (HFIP) and dichloroethane (EDC), and two non‐helicogenic solvents, dichloracetic acid (DC

Effwct of temperature on the circular di

Effwct of temperature on the circular dichroism spectra of polypeptides in the extended state

✍ M. Lois Tifany; S. Krimm 📂 Article 📅 1972 🏛 Wiley (John Wiley & Sons) 🌐 English ⚖ 497 KB 👁 1 views

## Abstract The circular dichroism (CD) spectra of poly‐L‐proline and of poly‐L‐glutamic acid and poly‐L‐lysine in their charged states have been studied as a function of temperature. The variation of CD spectra with temperature is inconsistent with the assignment of the spectrum of such charged po