An important base triple anchors the substrate helix recognition surface within the Tetrahymena ribozyme active site
Szewczak A, Ortoleva-Donnelly L, Zivarts M, Oyelere A, Kazantsev A, Strobel S. An important base triple anchors the substrate helix recognition surface within the Tetrahymena ribozyme active site. Proceedings Of The National Academy Of Sciences Of The United States Of America 1999, 96: 11183-11188. PMID: 10500151, PMCID: PMC18008, DOI: 10.1073/pnas.96.20.11183.Peer-Reviewed Original ResearchConceptsHelix dockingBase triplesRecognition surfaceGroup I intronActive siteNetwork of interactionsTetrahymena group IP3 helixStructural biologySubstrate bindingI intronCatalytic RNAProduct bindingSuppression analysisFunctional importanceRNA foldingRNA constructsSubstrate helixBiochemical evidenceMutant ribozymesRibozyme active siteSubstantial rearrangementHelixCrystallographic modelRibozyme