Structural features of the low-density lipoprotein receptor facilitating ligand binding and release
- Authors
- Beglova, N; Jeon, H; Fisher, C; Blacklow, SC
- Issue Date
- 2004-11
- Publisher
- PORTLAND PRESS LTD
- Citation
- BIOCHEMICAL SOCIETY TRANSACTIONS, v.32, pp.721 - 723
- Abstract
- The LDLR (low-density lipoprotein receptor) is a modular protein built from several distinct structural units: LA (LDLR type-A), epidermal growth factor-like and beta-propeller modules. The low pH X-ray structure of the LDLR revealed long-range intramolecular contacts between the propeller domain and the central LA repeats of the ligand-binding domain, suggesting that the receptor changes its overall shape from extended to closed, in response to pH. Here we discuss how the LDLR uses flexibility and rigidity of linkers between modules to facilitate ligand binding and low-pH ligand release.
- Keywords
- HUMAN APOLIPOPROTEIN-E; LDL RECEPTOR; FAMILIAL HYPERCHOLESTEROLEMIA; BACKBONE DYNAMICS; NMR STRUCTURE; DOMAIN; PAIR; CONCATEMER; MODULES; HUMAN APOLIPOPROTEIN-E; LDL RECEPTOR; FAMILIAL HYPERCHOLESTEROLEMIA; BACKBONE DYNAMICS; NMR STRUCTURE; DOMAIN; PAIR; CONCATEMER; MODULES; conformational change; interdomain linkers; ligand binding; lipoprotein; NMR; structure
- ISSN
- 0300-5127
- URI
- https://pubs.kist.re.kr/handle/201004/137121
- DOI
- 10.1042/BST0320721
- Appears in Collections:
- KIST Article > 2004
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