Aspartate aminotransferase from the antartic Pseudoalteromonas haloplanktis TAC 125: cloning, expression properties and molecular modelling - BIROLO L.; FONTANELLA B.; GERDAY C.; MAINOLFI K.; PASCARELLA S.; VINCI F.; MARINO G.; TUTINO, MARIA LUISA; SANNIA, GIOVANNI (Blackwell Science Limited:PO Box 88, Oxford OX2 0NE United Kingdom:011 44 1865 776868, 011 44 1865 206038, EMAIL: journals.cs@blacksci.co.uk, INTERNET: http://www.blackwell-science.com, Fax: 011 44 1865 721205, 2000)