Gene Construction kit is available from:
Gene Construction Kit $895 ($495 academic)
TEXTCO, 27 Gilson
Road, W. Lebanon, NH 03784
Another Program called CAD Gene also takes on recombinant DNA construction:
CAD Gene
Genetic Technology Corporation
P.O. Box 1179 Kendall Square
Cambridge, MA 02142
800-462-7179
508-879-0258
The interface is quite different from Gene Construction Kit. I suggest
you compare demos.
-Peter Markiewicz