| PK | <abbreviation> Pyruvate kinase. (05 Mar 2000) |
|---|---|
| pK2 | The negative logarithm of the ionization constant (Ka) of an acid; the pH at which equal concentrations of the acid and conjugate base forms of a substance (often a buffer) are present. (05 Mar 2000) |
| PK40(erk) protein kinase | <enzyme> A member of the erk family of serine/threonine-proline kinases; hyperphosphorylates tau protein in neurofibrillary tangles of alzheimer's disease subsequent to phosphorylation by camp-dependent protein kinase a; has been sequenced Registry number: EC 2.7.1.- Synonym: pk40(erk2), erk2 brain kinase pk40 (26 Jun 1999) |
| pkat | <abbreviation> Picokatal. (05 Mar 2000) |
| PKN protein kinase | <enzyme> Catalytic domain homologous to protein kinase c; genbank d26181 (human) and genbank d26180 (rat); do not confuse with protein kinase n Registry number: EC 2.7.1.- (26 Jun 1999) |
| PKU | <disease> Congenital absence of phenylalanine hydroxylase (an enzyme that converts phenylalanine into tyrosine). Phenylalanine accumulates in blood and seriously impairs early neuronal development. The defect can be controlled by diet and is not serious if treated in this way. Incidence: highest in Caucasians. Acronym: PKU Origin: Gr. Ouron = urine (15 Oct 1997) |
| pkV | <abbreviation> Peak kilovoltage, the nominal voltage setting of an X-ray machine. (05 Mar 2000) |