5fip

Discovery and characterization of a novel thermostable and highly halotolerant GH5 cellulase from an Icelandic hot spring isolate

spinqualitylabelsall models 5fip, resolution 1.88Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 5fip is a 4 chain structure with sequence from Unidentified. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Method: X-ray diffraction, Resolution 1.88Å Ligands: CL, EDO, IPA, PEG, PG4, PG6, PGE Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Function I3VS73_THESW Publication Abstract from PubMed With the ultimate goal of identifying robust cellulases for industrial biocatalytic conversions, we have isolated and characterized a new thermostable and very halotolerant GH5 cellulase. This new enzyme, termed CelDZ1, was identified by bioinformatic analysis from the genome of a polysaccharide-enrichment culture isolate, initiated from material collected from an Icelandic hot spring. Biochemical characterization of CelDZ1 revealed that it is a glycoside hydrolase with optimal activity at 70 degrees C and pH 5.0 that exhibits good thermostability, high halotolerance at near-saturating salt concentrations, and resistance towards metal ions and other denaturing agents. X-ray crystallography of the new enzyme showed that CelDZ1 is the first reported cellulase structure that lacks the defined sugar-binding 2 subsite and revealed structural features which provide potential explanations of its biochemical characteristics. Discovery and Characterization of a Thermostable and Highly Halotolerant GH5 Cellulase from an Icelandic Hot Spring Isolate.,Zarafeta D, Kissas D, Sayer C, Gudbergsdottir SR, Ladoukakis E, Isupov MN, Chatziioannou A, Peng X, Littlechild JA, Skretas G, Kolisis FN PLoS One. 2016 Jan 7;11(1):e0146454. doi: 10.1371/journal.pone.0146454., eCollection 2016. PMID:26741138 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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