I am trying to find/create a parallelised version of blast2 that will work on pvm. Does anyone have any ideas? Thanks Nick -- Nicholas Dickens BSc ARCS MRC FGU, Department of Human Anatomy & Genetics, South Parks Road, Oxford, OX1 3QX Tel: 01865 2(82650) http://www.ndickens.fsnet.co.uk/ nicholas.dickens at human-anatomy.ox.ac.uk