| CF | calcaneal fibular [ligament]; calcium leucovorin; calf blood flow; calibration factor; cancer-free; ... |
|---|---|
| HF | Hageman factor; haplotype frequency; hard filled [capsule]; hay fever; head of fetus; head forward; ... |
| LFT | latex fixation test; latex flocculation test; left fronto-transverse [fetal position]; liver functio... |
| MF | magnetic field; meat free; medium frequency; megafarad; membrane filler; merthiolate-formaldehyde [s... |
| AF | abnormal frequency; acid-fast; adult female; afebrile; aflatoxin; albumin-free; albumose-free; aldeh... |
| LF/HF | low frequency/high frequency |
|---|---|
| AD | activation domain |
| CTD | C-terminal domain |
| CTD | COOH-terminal domain |
| CRD | Carbohydrate recognition domain |
| frequency domain | The expression of a function by its amplitude and phase at each component frequency, usually as determined by Fourier analysis. (05 Mar 2000) |
|---|
| apple domain | <molecular biology> A consensus sequence, composed of 90 amino acids including 6 cysteines, that forms a characteristic, vaguely apple shaped, pattern via disulphide bridges. Shared by plasma kallikrein and coagulation factor XI, both serine proteases. (18 Nov 1997) |
|---|---|
| carboxy-terminal domain kinase | <enzyme> Protein kinase that phosphorylates the c-terminal repeat domain of the largest subunit of RNA polymerase II at serine residues Registry number: EC 2.7.1.- Synonym: ctd kinase, hs-ctd kinase, tfiih-associated ctd kinase (26 Jun 1999) |
| paired box domain | <molecular biology> Conserved domain of 128 amino acids, found in several developmentally regulated proteins in Drosophila (for example paired, gooseberry, Pox), mouse and human (for example Pax, HuP1, HuP48). (18 Nov 1997) |
| POU domain | <molecular biology> A conserved protein domain of around 150 amino acids, composed of a 20 amino acid homeobox domain and a larger POU specific domain and so is the target of some transcription factors. Named POU (Pit Oct Unc) after 3 such proteins: Pit 1 regulates expression of certain pituitary genes, Oct 1 and 2, that bind an octamer sequence in the promoters of histone H2A and some immunoglobulin genes and Unc 86, involved in nematode sensory neuron development. (31 Dec 1997) |
| SH3 domain-containing proline-rich kinase | <enzyme> A protein kinase which both phosphorylates ser and thr residues and has an sh3 domain; contains 847 amino acid residues; mol mass 92,688 da; genbank u07747 Registry number: EC 2.7.10.- Synonym: src-homology 3 domain-containing proline-rich kinase, sprk protein, sprk gene product (26 Jun 1999) |
| dinucleotide domain | A structural domain in certain proteins that binds NAD+ or NADP+. Synonym: dinucleotide domain. (05 Mar 2000) |
| domain | <molecular biology> Used to describe a part of a molecule or structure that shares common physico chemical features, for example hydrophobic, polar, globular, helical domains or properties for example DNA binding domain, ATP binding domain. (18 Nov 1997) |
| EGF like domain | Region of 30-40 amino acids containing 6 cysteines found originally in EGF and also in a range of proteins involved in cell signalling. Examples: TGF _, amphiregulin, urokinase, tissue plasminogen activator, complement C6 C9, fibronectin, laminin (each subunit at least 13 times), nidogen, selectins. It is also found in the Drosophila gene products: Notch (36 times) Delta, Slit, Crumbs, Serrate. (18 Nov 1997) |
| exit domain | <molecular biology> One of the two main binding sites on the ribosome molecule. The finished portion of the polypeptide being translated is attached to this site and leaves the ribosome from this site when the entire polypeptide is finished. (09 Oct 1997) |
| LIM domain | Domain found in proteins required for developmental decisions. Contain 60 residue conserved, cysteine rich, repeats. Named after first 3 genes in group: Lin 11 (C. Elegans required for asymmetric division of blast cells), IsI 1 (mammalian insulin gene binding enhancer protein), mec 3 (C. Elegans required for differentiation of a set of sensory neurons). (18 Nov 1997) |
| bounce frequency | <physics> The average frequency of oscillation of a particle trapped in a magnetic mirror as it bounces back and forth between its turning points in regions of high magnetic field. (See also trapped particle, turning points, banana orbit). (09 Oct 1997) |
| radio frequency current drive | <radiobiology> Plasma waves in the radio-frequency range can be used to push plasma particles in such a way that current forms in the plasma, this is a method of non-inductive current drive which would allow for steady-state fusion reactors to operate. (09 Oct 1997) |
| radio frequency heating | <radiobiology> Process for heating the plasma by transferring energy to ions or electrons using waves generated by an external oscillator at an appropriate frequency. (This is similar to how a microwave oven heats food.) There are various types: See: ECRH, ICRH, and Lower Hybrid. (09 Oct 1997) |
| radio frequency or radiofrequency | <physics> Term used to describe electromagnetic radiation with frequencies less than infrared, but greater than audio frequencies, i.e., greater than about 15,000 Hz. Wavelengths are therefore less than about 20,000 km and greater than about 0.01 mm. (These numbers are not precise.) (09 Oct 1997) |
| gene frequency | The relative occurence (expressed as a percentage) of a gene in a given population. (09 Oct 1997) |
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