Nucleic Acids Research, 2002, Vol. 30, No. 1 172-173
© 2002 Oxford University Press
MitoNuc: a database of nuclear genes coding for mitochondrial proteins. Update 2002
Dipartimento di Biochimica e Biologia Molecolare, Università di Bari, via Orabona 4, 70126 Bari, Italy, 1Centro di Studio sui Mitocondri e Metabolismo Energetico C.N.R., via Orabona 4, 70126 Bari, Italy and 2Dipartimento di Fisiologia e Biochimica Generali, Università di Milano, via Celoria 26, 20122 Milano, Italy
Mitochondria, besides their central role in energy metabolism, have recently been found to be involved in a number of basic processes of cell life and to contribute to the pathogenesis of many degenerative diseases. All functions of mitochondria depend on the interaction of nuclear and organelle genomes. Mitochondrial genomes have been extensively sequenced and analysed and data have been collected in several specialised databases. In order to collect information on nuclear coded mitochondrial proteins we developed MitoNuc, a database containing detailed information on sequenced nuclear genes coding for mitochondrial proteins in Metazoa. The MitoNuc database can be retrieved through SRS and is available via the web site http://bighost.area.ba.cnr.it/mitochondriome where other mitochondrial databases developed by our group, the complete list of the sequenced mitochondrial genomes, links to other mitochondrial sites and related information, are available. The MitoAln database, related to MitoNuc in the previous release, reporting the multiple alignments of the relevant homologous protein coding regions, is no longer supported in the present release. In order to keep the links among entries in MitoNuc from homologous proteins, a new field in the database has been defined: the cluster identifier, an alpha numeric code used to identify each cluster of homologous proteins. A comment field derived from the corresponding SWISS-PROT entry has been introduced; this reports clinical data related to dysfunction of the protein. The logic scheme of MitoNuc database has been implemented in the ORACLE DBMS. This will allow the end-users to retrieve data through a friendly interface that will be soon implemented.
* To whom correspondence should be addressed. Tel: +39 80 5482180; Fax: +39 80 5484467; Email: marcella{at}area.ba.cnr.it
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