1ppr

PERIDININ-CHLOROPHYLL-PROTEIN OF AMPHIDINIUM CARTERAE

spinqualitylabelsall models 1ppr, resolution 2.00Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 1ppr is a 3 chain structure with sequence from Amphidinium carterae. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Method: X-ray diffraction, Resolution 2Å Ligands: CLA, DGD, PID Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Function PCP1_AMPCA Water-soluble antenna for capture of solar energy in the blue-green range. Peridinin is an asymmetric carotenoid. Evolutionary Conservation Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf. Publication Abstract from PubMed Peridinin-chlorophyll-protein, a water-soluble light-harvesting complex that has a blue-green absorbing carotenoid as its main pigment, is present in most photosynthetic dinoflagellates. Its high-resolution (2.0 angstrom) x-ray structure reveals a noncrystallographic trimer in which each polypeptide contains an unusual jellyroll fold of the alpha-helical amino- and carboxyl-terminal domains. These domains constitute a scaffold with pseudo-twofold symmetry surrounding a hydrophobic cavity filled by two lipid, eight peridinin, and two chlorophyll a molecules. The structural basis for efficient excitonic energy transfer from peridinin to chlorophyll is found in the clustering of peridinins around the chlorophylls at van der Waals distances. Structural basis of light harvesting by carotenoids: peridinin-chlorophyll-protein from Amphidinium carterae.,Hofmann E, Wrench PM, Sharples FP, Hiller RG, Welte W, Diederichs K Science. 1996 Jun 21;272(5269):1788-91. PMID:8650577 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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