1kzu
From Proteopedia
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INTEGRAL MEMBRANE PERIPHERAL LIGHT HARVESTING COMPLEX FROM RHODOPSEUDOMONAS ACIDOPHILA STRAIN 10050
Overview
The refined structure of the peripheral light-harvesting complex from, Rhodopseudomonas acidophila strain 10050 reveals a membrane protein with, protein-protein interactions in the trans-membrane region exclusively of a, van der Waals nature. The dominant factors in the formation of the complex, appear to be extramembranous hydrogen bonds (suggesting that each, apoprotein must achieve a fold close to its final structure in order to, oligomerize), protein-pigment and pigment-pigment interactions within the, membrane-spanning region. The pigment molecules are known to play an, important role in the formation of bacterial light-harvesters, and their, extensive mediation of structural contacts within the membrane bears this, out. Amino acid residues determining the secondary structure of the, ... [(full description)]
About this Structure
1KZU is a [Protein complex] structure of sequences from [Rhodoblastus acidophilus] with RG1 and BCL as [ligands]. Full crystallographic information is available from [OCA].
Reference
Apoprotein structure in the LH2 complex from Rhodopseudomonas acidophila strain 10050: modular assembly and protein pigment interactions., Prince SM, Papiz MZ, Freer AA, McDermott G, Hawthornthwaite-Lawless AM, Cogdell RJ, Isaacs NW, J Mol Biol. 1997 May 2;268(2):412-23. PMID:9159480
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