Whoops, I had a typo in that last command; if you go that route, please make it makeblastdb -dbtype prot -in "$<" -out "$(@:.psq=)" -blastdb_version 4 (I'd first try pushing forward, though.) Thanks! -- Aaron M. Ucko, KB1CJC (amu at alum.mit.edu, ucko at debian.org) http://www.mit.edu/~amu/ | http://stuff.mit.edu/cgi/finger/?amu@monk.mit.edu