3D Structure of DNA Ligase
CPK Color Scheme
DNA Ligase is an essential enzyme within all cells that seals breaks in the phosphate-sugar backbone of DNA. DNA ligase accomplishs three main functions: joining Okazaki fragments, sealing repairs, and sealing recombination fragments (Purves et al., 2001).
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Once ATP binds to ligase, a diphosphate is released to allow AMP to bind to ligase
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Kogoy, John. (2003). CPK Color Scheme. Permission
to use granted.
Purves, W., Sadava, D., Orians, G., Heller, H. Life:
The Science of Biology. Sinauer Associates, Inc., 2001.