11. Cytosolic and membrane-bound forms of glutathione S-transferase are encoded by two distinct supergene families. 12. I do keep extensive journals in bound form , by year, 13. They drive G proteins into their inactive GDP-bound forms . 14. The membrane-bound form has both membrane-binding and catalytic domains. 15. In the case of DnaA, the ATP-bound form is active and the ADP-bound form is inactive. 16. Fig . 5 : Semaphorins can exist either in a soluble form or membrane bound form . 17. In membrane-bound form it could be bound directly to cellular membrane or presented by IL-15R? receptor. 18. The GTP-bound form interacts with OSBPL1A and CLN3. 19. In the case of DnaA, the ATP-bound form is active and the ADP-bound form is inactive. 20. As of late 2016, IDW Publishing has re-released all the previous Topps comics in bound form .