# PLT1 > Scripts for assigning transcripts and coding sequences to gene familes (OGs). ### Katz lab >[About Katz Lab](https://www.science.smith.edu/katz-lab/)   \|   📧[Mail](lkatz@smith.edu)   \|   📞 Call : (413) 585-3825   \| :office: Address: Burton Hall 201, 46 College Lane, Smith College, Northampton Massachusetts.