It can launch media files, your e-mail client--anything you want to have up and running automatically. Powerpoint viewer is licensed as freeware for pc or laptop with windows 32 bit and 64 bit operating system. Pdb file opener free download. After entering the ids of interest, select the "launch download" button and you will be prompted to open andor download and save locally a file called download_rcsb. Download all ligands, including ligands that are obsolete or not usedor just all the ligands that are currently used in pdb structures.Having bought a subscription, you can download this or other directories on our website. To download the file, click on the button below.