| QAC | quaternary ammonium compound |
|---|---|
| HCG, hCG | Human Chorionic Gonadotropin; »ç¶÷À¶¸ð¼º¼º¼±ÀÚ±ØÈ£¸£¸ó 1. Placental Glycoprotein Hormone &nbs... |
| EXAFS | extended x-ray absorption fine structure |
| EXELFS | extended electron-loss line fine structure |
| hfs | hyperfine structure |
| QAC | Quaternary Ammonium Compounds |
|---|---|
| QA | Quaternary ammonium |
| CASE | Computer Automated Structure Evaluation |
| DLS | Dimer Linkage Structure |
| EXAFS | Extended X-Ray Absorption Fine Structure |
| quaternary structure | The three-dimensional structure of a complex protein, this especially refers to the way the polypeptide subunits fit together. (09 Oct 1997) |
|---|
| quaternary | 1. Fourth in order. 2. Containing four elements or groups. Origin: L. Quaternarius, from quattuor = four (18 Nov 1997) |
|---|---|
| quaternary carbon atom | An atom of carbon to which four other carbon atom's are attached. (05 Mar 2000) |
| quaternary syphilis | Any condition indirectly due to syphilis. Synonym: metasyphilis, parasyphilosis, quaternary syphilis. (05 Mar 2000) |
| brush heap structure | Haphazard interlocking of fibrils in a gel or hydrocolloid impression material. (05 Mar 2000) |
| gel structure | Brush heap structure of fibrils giving firmness to hydrocolloids. (05 Mar 2000) |
| genetic fine structure | The study of genes on the level of their nucleotide sequences and what happens to their molecular structure at that level. (09 Oct 1997) |
| chi structure | <molecular biology> The name for the X-shaped structure which forms during the recombination process between two plasmids, or circular pieces, of DNA. The Greek letter chi resembles this structure. (05 Jan 1998) |
| group structure | The informal or formal organization of a group of people based on a network of personal relationships which is influenced by the size and composition, etc., of the group. (12 Dec 1998) |
| molecular structure | The location of the atoms, groups or ions relative to one another in a molecule, as well as the number and location of chemical bonds. (12 Dec 1998) |
| cointegrate structure | A structure of DNA produced by the fusion of two replicons, one possessing a transposon. (05 Mar 2000) |
| cruciform structure | A structure, shaped like a cross, which can form during homologous recombination when inverted base-pair repeats pair with each other on the same strand of DNA instead of with homologous sections on a different strand of DNA. (09 Oct 1997) |
| crystal structure | <chemistry> The configuration in which atoms are arranged in a material. These arrangements have a direct effect on the physical properties of the material. These arrangements commonly take the form of cubes, rectangular solids, hexagonal solids. Etc. (05 Aug 1998) |
| primary structure | The covalent backbone of a macromolecule. The order of subunits in a biological polymer, such as amino acids in a polypeptide or nucleotides in a molecule of DNA or RNA. (09 Oct 1997) |
| protein structure | The amino acids and their manner of arrangement in constituting a protein. The four stages of protein structuring are primary (protein structure, primary see amino acid sequence), secondary (protein structure, secondary), tertiary (protein structure, tertiary), and quaternary (protein structure, quaternary see protein conformation). (12 Dec 1998) |
| protein structure, secondary | The stage in the development of protein structure in which regular hydrogen-bond interactions within contiguous stretches of polypeptide chain give rise to alpha helices and beta sheets. This is the first folding level of protein building. (12 Dec 1998) |
| quaternary structure |
In biochemistry, many proteins are actually assemblies of more than one protein (polypeptide) molecule, which in the context of the larger assemblage are known as protein subunits. In addition to the tertiary structure of the subunits, multiple-subunit proteins possess a quaternary structure, which is the arrangement into which the subunits assemble. ...
Ãâó: en.wikipedia.org/wiki/Quaternary_structure
|
|---|---|
| quaternary structure |
The arrangement of protein sub-units in geometric shapes.
Ãâó: www.hillsdale.edu/AcademicAssociations/Chemistry/s...
|
| quaternary structure |
The assembled structure of two or more polypeptide chains that function as that assembled unit
Ãâó: www.inproteomics.com/nwglospq.html
|
| quaternary structure |
the association of multiple polypeptide subunits to form a functional protein.
Ãâó: www.kids.net.au/encyclopedia-wiki/pr/Protein
|
| quaternary structure |
The arrangement of separate polypeptide chains (subunits) into the functional protein.
Ãâó: www.cryst.bbk.ac.uk/PPS2/course/section8/ss-960531...
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