Apolipoprotein structural organization in high density lipoproteins: belts, bundles, hinges and hairpins.

Abstract:

PURPOSE OF REVIEW:To summarize recent advances towards an understanding of the three-dimensional structures of the apolipoprotein components of HDL with a specific focus on high resolution models of apolipoprotein A-I. RECENT FINDINGS:Since the primary sequence was first reported, various models have been advanced for the structure of apolipoprotein A-I, the major protein constituent of HDL, in its lipid-free and lipid-bound forms. Unfortunately, the generation of experimental data capable of distinguishing among the competing models has lagged far behind. However, recent experimental strategies, including X-ray crystallography, applications of resonance energy transfer and mass spectrometry, have combined with sophisticated theoretical approaches to develop three-dimensional structural models of apolipoprotein A-I with previously unavailable resolution. SUMMARY:The recent synergy of sophisticated computer modeling techniques with hard experimental data has generated new models for apolipoprotein A-I in certain subclasses of HDL produced in vitro. The challenge now is to adapt and test these models in the more complex forms of HDL isolated directly from human plasma.

journal_name

Curr Opin Lipidol

authors

Davidson WS,Silva RA

doi

10.1097/01.mol.0000169349.38321.ad

subject

Has Abstract

pub_date

2005-06-01 00:00:00

pages

295-300

issue

3

eissn

0957-9672

issn

1473-6535

pii

00041433-200506000-00006

journal_volume

16

pub_type

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