Structural comparison of acyl carrier protein in acylated and sulfhydryl forms by two-dimensional 1H NMR spectroscopy.

Abstract:

:Sequence-specific assignments of 1H NMR resonances are obtained for the backbone protons of Escherichia coli acyl carrier protein, acylated with an eight-carbon chain covalently attached to the prosthetic group thiol (octanoyl-ACP). Comparison of 1H-1H sequential connectivities in the NOESY spectra of octanoyl-ACP and the unacylated protein (ACPSH) indicates that secondary structure is largely conserved on acylation. Changes in resonance positions observed for certain groups of residues are interpreted in terms of a model that describes the spatial reorientation of secondary structural elements in the protein resulting from introduction of the acyl chain.

journal_name

Biochemistry

journal_title

Biochemistry

authors

Jones PJ,Holak TA,Prestegard JH

doi

10.1021/bi00386a037

subject

Has Abstract

pub_date

1987-06-16 00:00:00

pages

3493-500

issue

12

eissn

0006-2960

issn

1520-4995

journal_volume

26

pub_type

杂志文章