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S K Buchanan

Explore the profile of S K Buchanan including associated specialties, affiliations and a list of published articles. Areas
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Articles 15
Citations 698
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Recent Articles
1.
Oke M, Sarra R, Ghirlando R, Farnaud S, Gorringe A, Evans R, et al.
FEBS Lett . 2004 Apr; 564(3):294-300. PMID: 15111112
Transferrin binding protein A (TbpA) is a TonB-dependent outer membrane protein expressed by pathogenic bacteria for iron acquisition from human transferrin. The N-terminal 160 residues (plug domain) of TbpA were...
2.
Gabriel K, Buchanan S, Lithgow T
Trends Biochem Sci . 2001 Feb; 26(1):36-40. PMID: 11165515
In the evolution of mitochondria and plastids from endosymbiotic bacteria, most of the proteins that make up these organelles have become encoded by nuclear genes and must therefore be transported...
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Buchanan S
Trends Biochem Sci . 2001 Feb; 26(1):3-6. PMID: 11165499
The crystal structure of TolC from Escherichia coli was recently determined to 2.1-A resolution and shows a unique type of channel architecture: a 12-stranded beta-barrel spans the outer membrane and...
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Istvan E, Palnitkar M, Buchanan S, Deisenhofer J
EMBO J . 2000 Mar; 19(5):819-30. PMID: 10698924
3-hydroxy-3-methylglutaryl-CoA reductase (HMGR) catalyzes the formation of mevalonate, the committed step in the biosynthesis of sterols and isoprenoids. The activity of HMGR is controlled through synthesis, degradation and phosphorylation to...
6.
Buchanan S
Curr Opin Struct Biol . 1999 Aug; 9(4):455-61. PMID: 10449368
Recently solved outer membrane protein structures include the smallest and largest known beta-barrel structures, with functions distinct from the general and specific porins. Both protein expressed in outer membranes and...
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Buchanan S, Smith B, Venkatramani L, Xia D, Esser L, Palnitkar M, et al.
Nat Struct Biol . 1999 Jan; 6(1):56-63. PMID: 9886293
Integral outer membrane receptors for iron chelates and vitamin B12 carry out specific ligand transport against a concentration gradient. Energy for active transport is obtained from the proton-motive force of...
8.
Smith B, Kobe B, Kurumbail R, Buchanan S, Venkatramani L, van der Helm D, et al.
Acta Crystallogr D Biol Crystallogr . 1998 Oct; 54(Pt 4):697-9. PMID: 9761879
Diffraction-quality crystals have been obtained of the integral membrane protein ferric enterobactin receptor (FepA) from the outer membrane of Escherichia coli. Crystals were grown using the zwitterionic detergent lauryldimethylamine oxide...
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Abrahams J, Buchanan S, van Raaij M, Fearnley I, Leslie A, Walker J
Proc Natl Acad Sci U S A . 1996 Sep; 93(18):9420-4. PMID: 8790345
In the previously determined structure of mitochondrial F1-ATPase determined with crystals grown in the presence of adenylyl-imidodiphosphate (AMP-PNP) and ADP, the three catalytic beta-subunits have different conformations and nucleotide occupancies....
10.
Buchanan S, Walker J
Biochem J . 1996 Aug; 318 ( Pt 1):343-9. PMID: 8761491
A new chromatographic procedure has been developed for the isolation of F1F0-ATPase and NADH:ubiquinone oxidoreductase (complex I) from a single batch of bovine heart mitochondria. The method employed dodecyl beta-delta-maltoside,...