A new RNase sheds light on the RNase/angiogenin subfamily from zebrafish(959 views) Pizzo E, Merlino A, Turano M, Russo Krauss I, Coscia F, Zanfardino A, Varcamonti M, Furia A, Giancola C, Mazzarella L, Sica F, D'Alessio G
Dipartimento di Biologia Strutturale e Funzionale, Università di Napoli Federico II, Complesso Universitario Monte S. Angelo, Via Cinthia, I-80126 Naples, Italy
Dipartimento di Chimica, Università di Napoli Federico II, Complesso Universitario Monte S. Angelo, Via Cinthia, I-80126 Naples, Italy
Istituto di Biostrutture e Bioimmagini, Consiglio Nazionale Delle Ricerche (CNR), Via Mezzocannone 16, I-80134 Naples, Italy
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A new RNase sheds light on the RNase/angiogenin subfamily from zebrafish
Recently, extracellular RNases of the RNase A superfamily, with the characteristic CKxxNTF sequence signature, have been identified in fish. This has led to the recognition that these RNases are present in the whole vertebrate subphylum. In fact, they comprise the only enzyme family unique to vertebrates. Four RNases from zebrafish (Danio rerio) have been previously reported and have a very low RNase activity; some of these are endowed, like human angiogenin, with powerful angiogenic and bactericidal activities. In the present paper, we report the three-dimensional structure, the thermodynamic behaviour and the biological properties of a novel zebrafish RNase, ZF-RNase-5. The investigation of its structural and functional properties, extended to all other subfamily members, provides an inclusive description of the whole zebrafish RNase subfamily. The Authors Journal compilation 2011 Biochemical Society
A new RNase sheds light on the RNase/angiogenin subfamily from zebrafish
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A new RNase sheds light on the RNase/angiogenin subfamily from zebrafish