A BACILLUS DNA POLYMERASE I PRODUCT COMPLEX BOUND TO A GUANINE-THYMINE MISMATCH AFTER THREE ROUNDS OF PRIMER EXTENSION, FOLLOWING INCORPORATION OF DCTP, DGTP, AND DTTP.
This can be caused by an outdated browser, graphics card driver issue, or bad weather. Sometimes, just restarting the browser helps. Also, make sure hardware acceleration is enabled in your browser.