Upon verification, there is currently no validated ATP or GTP product for in vitro translation application available. However, according to the following publication, ATP (cat#A2383) and GTP (cat#G8877) seem to work well for in vitro transcription and translation systems.
Reference: Polyvinylsulfonic acid: A Low-cost RNase inhibitor for enhanced RNA preservation and cell-free protein translation
Bioengineered. 2018 Jan 1;9(1):90-97. doi: 10.1080/21655979.2017.1313648. Epub 2017 Jun 29.PMID: 28662363



![Guanosine 5′-[γ-thio]triphosphate tetralithium salt ≥90% (contains < 10% GDP, HPLC), powder](/deepweb/assets/sigmaaldrich/product/structures/131/514/e3025b6a-cb52-4818-b20f-98efac485c1a/640/e3025b6a-cb52-4818-b20f-98efac485c1a.png)