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  2. Nucleotide pyrophosphatase/phosphodiesterase - Wikipedia

    en.wikipedia.org/wiki/Nucleotide_pyrophosphatase/...

    These Zn 2+ catalytic components are thought to stabilize the transition state of the NPP phosphoryl transfer reaction. [7] A closer view of the active site of Xac NPP, which is located on the surface of the subunit. The Zn 2+ atoms of the bimetallo catalytic site are shown by white spheres. [1] Schematic of Xac NPP active site in a transition ...

  3. Naphthalen-1,8-diyl 1,3,2,4-dithiadiphosphetane 2,4-disulfide

    en.wikipedia.org/wiki/Naphthalen-1,8-diyl_1,3,2...

    NpP 2 S 4 is a compound related to Lawesson's reagent formed by the reaction of 1-bromonaphthalene with P 4 S 10, [1] this is a 1,3,2,4-dithiadiphosphetane 2,4-disulfide which has a naphth-1,8-diyl group holding the two phosphorus atoms together.

  4. N-Phenethyl-4-piperidinone - Wikipedia

    en.wikipedia.org/wiki/N-Phenethyl-4-piperidinone

    N-Phenethyl-4-piperidinone (NPP) is a derivative of 4-piperidinone with the molecular formula C 13 H 17 NO. It is used as an intermediate in the manufacture of chemicals and pharmaceutical drugs such as fentanyl .

  5. Naphthylmorpholine - Wikipedia

    en.wikipedia.org/wiki/Naphthylmorpholine

    Naphthylmorpholine (code name PAL-678), also known as 2-(2′-naphthyl)morpholine, is a monoamine releasing agent of the arylmorpholine and naphthylethylamine families. [ 1 ] [ 2 ] It is the derivative of 2-phenylmorpholine with a 2- naphthalene ring instead of a phenyl ring .

  6. Neptunium(III) phosphide - Wikipedia

    en.wikipedia.org/wiki/Neptunium(III)_phosphide

    Neptunium(III) phosphide is a binary inorganic compound of neptunium metal and phosphorus with the chemical formula NpP. [2] Preparation. Neptunium(III) ...

  7. 2 Step (song) - Wikipedia

    en.wikipedia.org/wiki/2_Step_(song)

    "2 Step" is the second single from Unk's debut album Beat'n Down Yo Block!, released in 2007. It has an accompanying dance, called the "2 Step". It has an accompanying dance, called the "2 Step". The video was co-directed by Dale "Rage" Resteghini and Will Horton and was released on February 23, 2007 on Yahoo!

  8. Pain ladder - Wikipedia

    en.wikipedia.org/wiki/Pain_ladder

    "Pain ladder", or analgesic ladder, was created by the World Health Organization (WHO) as a guideline for the use of drugs in the management of pain. Originally published in 1986 for the management of cancer pain, it is now widely used by medical professionals for the management of all types of pain.

  9. Committed step - Wikipedia

    en.wikipedia.org/wiki/Committed_step

    In biochemistry, the committed step (also known as the first committed step) is an effectively irreversible, enzyme-catalyzed reaction that occurs at a branch point during the biosynthesis of some molecules. [1] [2] As the name implies, after this step, the molecules are "committed" to the pathway and will ultimately end up in the pathway's ...