I was getting sick of my pictures directory filling with screenshots and wanted to send them to a subdirectory. I did some googleing and tried configuring this through dconf-editor but it had no effect on where the image was saved when the printscreen key was used. It did however change where they were saved if the GNOME screenshot utility was run from the command line. Because of this I came to the conclusion that the printscreen keybinding must not be calling gnome-screenshot.
My question is what program does Antegos use by default for screenshots, and how can I configure it? I would like to keep it the same rather than overriding the binding with gnome-screenshot.