UDP-N-acetylglucosamine 4,6-dehydratase (configuration-retaining) (, PglF) is an enzyme with systematic name UDP-N-acetyl-ñ-<small>D</small>glucosamine hydro-lyase (configuration-retaining; UDP-2-acetamido-2,6-dideoxy-ñ-<small>D</small>xylo-hex-4-ulose-forming). This enzyme catalyses the following chemical reaction
This enzyme contains NAD<sup>+</sup> as a cofactor.