3c8p | pdb_00003c8p

X-ray structure of Viscotoxin A1 from Viscum album L.

spinqualitylabelsall models 3c8p, resolution 1.25Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 3c8p is a 2 chain structure with sequence from Viscum album. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum 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 Crystals of the cytotoxic thionin proteins viscotoxins A1 and B2 extracted from mistletoe diffracted to high resolution (1.25 and 1.05 A, respectively) and are excellent candidates for testing crystallographic methods. Ab initio direct methods were only successful in solving the viscotoxin B2 structure, which with 861 unique non-H atoms is one of the largest unknown structures without an atom heavier than sulfur to be solved in this way, but sulfur-SAD phasing provided a convincing solution for viscotoxin A1. Both proteins form dimers in the crystal and viscotoxin B2 (net charge +4 per monomer), but not viscotoxin A1 (net charge +6), is coordinated by sulfate or phosphate anions. The viscotoxin A1 crystal has a higher solvent content than the viscotoxin B2 crystal (49% as opposed to 28%) with solvent channels along the crystallographic 4(3) axes. Structures of viscotoxins A1 and B2 from European mistletoe solved using native data alone.,Pal A, Debreczeni JE, Sevvana M, Gruene T, Kahle B, Zeeck A, Sheldrick GM Acta Crystallogr D Biol Crystallogr. 2008 Sep;64(Pt 9):985-92. Epub 2008, Aug 13. PMID:18703848 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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