| Pfr | The form of phytochrome that absorbs light in the far red region, 730nm and is thus converted to Pr. It slowly and spontaneously converts to Pr in the dark. (18 Nov 1997) |
|---|---|
| PFTAIRE kinase | <enzyme> A cdc2-related kinase; isolated from drosophila. Registry number: EC 2.7.1.- Synonym: pftaire gene product (26 Jun 1999) |
| Pfu DNA polymerase | <enzyme> From pyrococcus furiosus; shows sequence homology with alpha-like DNA polymerases; amino acid sequence given in first source Registry number: EC 2.7.7.- Synonym: pfu polymerase (26 Jun 1999) |
| Pfuhl's sign | <clinical sign> The pressure of pus within a subphrenic abscess rises during inspiration and falls during expiration, the reverse of what happens in the case of a purulent collection above the diaphragm; when the diaphragm is paralysed this distinction is lost. (05 Mar 2000) |
| Pfuhl, Eduard | <person> German physician, 1852-1905. See: Pfuhl's sign. (05 Mar 2000) |