期刊
PLOS ONE
卷 6, 期 6, 页码 -出版社
PUBLIC LIBRARY SCIENCE
DOI: 10.1371/journal.pone.0019521
关键词
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资金
- Canadian Institutes for Health Research
- Canadian Foundation for Innovation
- Genome Canada through the Ontario Genomics Institute
- GlaxoSmithKline
- Karolinska Institutet
- Knut and Alice Wallenberg Foundation
- Ontario Innovation Trust
- Ontario Ministry for Research and Innovation
- Merck Co., Inc.
- Novartis Research Foundation
- Swedish Agency for Innovation Systems
- Swedish Foundation for Strategic Research
- Wellcome Trust
- Academy of Finland [128322]
- Academy of Finland (AKA) [128322, 128322] Funding Source: Academy of Finland (AKA)
Background: Steroidogenic acute regulatory (StAR) protein related lipid transfer (START) domains are small globular modules that form a cavity where lipids and lipid hormones bind. These domains can transport ligands to facilitate lipid exchange between biological membranes, and they have been postulated to modulate the activity of other domains of the protein in response to ligand binding. More than a dozen human genes encode START domains, and several of them are implicated in a disease. Principal Findings: We report crystal structures of the human STARD1, STARD5, STARD13 and STARD14 lipid transfer domains. These represent four of the six functional classes of START domains. Significance: Sequence alignments based on these and previously reported crystal structures define the structural determinants of human START domains, both those related to structural framework and those involved in ligand specificity.
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