1aro | pdb_00001aro

T7 RNA POLYMERASE COMPLEXED WITH T7 LYSOZYME

spinqualitylabelsall models 1aro, resolution 2.80Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 1aro is a 2 chain structure with sequence from Enterobacteria phage t7. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Ligands: HG Gene: T7 (Enterobacteria phage T7) Activity: DNA-directed RNA polymerase, with EC number 2.7.7.6 Resources: FirstGlance, OCA, 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 The T7 RNA polymerase-T7 lysozyme complex regulates phage gene expression during infection of Escherichia coli. The 2.8 A crystal structure of the complex reveals that lysozyme binds at a site remote from the polymerase active site, suggesting an indirect mechanism of inhibition. Comparison of the T7 RNA polymerase structure with that of the homologous pol I family of DNA polymerases reveals identities in the catalytic site but also differences specific to RNA polymerase function. The structure of T7 RNA polymerase presented here differs significantly from a previously published structure. Sequence similarities between phage RNA polymerases and those from mitochondria and chloroplasts, when interpreted in the context of our revised model of T7 RNA polymerase, suggest a conserved fold. Structure of T7 RNA polymerase complexed to the transcriptional inhibitor T7 lysozyme.,Jeruzalmi D, Steitz TA EMBO J. 1998 Jul 15;17(14):4101-13. PMID:9670025 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine. See Also Lysozyme 3D structures RNA polymerase

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