The one true con I’ve experienced with the folded form of the bag is that there’s no way to attach a strap or additional handle to it once it’s folded, so you’ll have to settle for ...

The Nudix motif residues, folded as a loop-helix-loop tailored for pyrophosphate hydrolysis, compose the catalytic center; residues conferring substrate specificity occur in regions of the ...

* Data collected from two crystals were used for structure determination.