(n.) one who accepts an order or a bill of exchange; a drawee after he has accepted.
Example Sentences:
(1) The results, together with the known geometry of the enzyme, indicate that active site probes in the dodecamer are widely separated and that energy transfer occurs from a single donor to two or three acceptors on adjacent subunits.
(2) Thus acidic amino acids strongly inhibit acceptor activity as do glycine and proline residues as amino-terminal and carboxy-terminal neighbours, respectively.
(3) Striking and consistent differences were found in the levels of acceptor activity in different tissues from both groups; these levels corresponded to their sensitivity to tumorigenesis by alkylating agents.
(4) Both enzymes showed different acceptor specificities.
(5) Protein is a strong competitive acceptor of active products of radiolysis of water and free radicals of DNA.
(6) 1017 acceptors of all fertile age groups accumulated 10,576 woman-months of use.
(7) The rates of oxidation of various substrates and the acceptor control ratios did not differ appreciably between the two types of mitochondria.
(8) In each of the four study sites, focus group discussions or in-depth interviews were held with potential acceptors, current NORPLANT users, discontinuers, husbands of women in these three groups, and service providers.
(9) In the presence of alpha-lactalbumin, glucose became a good acceptor for the enzyme and had a Km value of 2.9 mM.
(10) Donor and acceptor molecules were wybutine and proflavin, respectively, both located 3' to the anticodon of tRNAPhe.
(11) It is suggested that an enzyme-inhibitor complex of an acyl-enzyme type is formed that is slowly hydrolysed, with water as the final acceptor, leaving an intact enzyme and an inactive form of the inhibitor.
(12) This paper also examines the effect of pH and ionic strength on the activity and specificity of the enzyme with respect to substrates and natural, as well as artificial, electron acceptors.
(13) Interaction between these acceptor sites and crude or partially purified estradiol receptor shows a high association constant (over 10(9) M).
(14) The reduction of cytochrome c was found to be sensitive to both anaerobiosis and superoxide dismutase, suggesting the involvement of superoxide anions with this electron acceptor.
(15) Additional studies with the monkey liver enzymes revealed that acyl-CoA substrates for one transferase inhibit the other, that the apparent Km value is low (10(-6) to 10(-5) M range) for the preferred acyl-CoA substrate as compared to the amino acid acceptor (greater than 10(-2) M) and that both transferases have a molecular weight of approximately 24,000.
(16) The enantiomer of 1-(4-hydroxyphenyl)ethanol produced by 4EPMH was R(+) when horse heart cytochrome c or azurin was used as electron acceptor for the enzyme.
(17) C component C3 bound covalently to parasite acceptor molecules via an ester linkage.
(18) We have developed a sensitive radiochemical assay of glycine N-acyltransferase activity, using phenylacetyl-CoA as the acyl donor and glycine as the acceptor.
(19) This study demonstrates that extracts of 15B cells, in contrast to the parent cell line, do not transfer N-acetylglucosamine residues from UDP-GlcNAc to certain glycopeptide and glycoprotein acceptors containing terminal nonreducing alpha-linked mannose residues.
(20) The purified plasma membranes were found to contain galactosyltransferase which transferred galactose from UDP-galactose onto endogenous acceptors.
Molecule
Definition:
(n.) One of the very small invisible particles of which all matter is supposed to consist.
(n.) The smallest part of any substance which possesses the characteristic properties and qualities of that substance, and which can exist alone in a free state.
(n.) A group of atoms so united and combined by chemical affinity that they form a complete, integrated whole, being the smallest portion of any particular compound that can exist in a free state; as, a molecule of water consists of two atoms of hydrogen and one of oxygen. Cf. Atom.
Example Sentences:
(1) A series of human cDNA clones of various sizes and relative localizations to the mRNA molecule were isolated by using the human p53-H14 (2.35-kilobase) cDNA probe which we previously cloned.
(2) Glucocorticoids have numerous effects some of which are permissive; steroids are thus important not only for what they do, but also for what they permit or enable other hormones and signal molecules to do.
(3) The results demonstrated that K2PtCl4 was bound to a greater degree than CDDP in this system with 3-5 and 1-2 platinum atoms respectively, bound per transferrin molecule.
(4) Complementarity determining regions (CDR) are conserved to different extents, with the first CDR region in all family members being among the most conserved segments of the molecule.
(5) Even with hepatic lipase, phospholipid hydrolysis could not deplete VLDL and IDL of sufficient phospholipid molecules to account for the loss of surface phospholipid that accompanies triacylglycerol hydrolysis and decreasing core volume as LDL is formed (or for conversion of HDL2 to HDL3).
(6) However, the presence of these two molecules was restored if testosterone was supplemented immediately after orchiectomy.
(7) In the second approach, attachment sites of DTPA groups were directed away from the active region of the molecule by having fragment E1,2 bound in complex, with its active sites protected during the derivatization.
(8) PMNs could be primed for PMA-triggered oxidative burst by muramyl peptide molecules (MDP) and two of its adjuvant active nonpyrogenic derivatives.
(9) These same molecules may be equally responsible for the pathologic characteristics of the immune response seen, for example, in inflammatory bowel diseases.
(10) A cDNA library prepared from human placenta has been screened for sequences coding for factor XIIIa, the enzymatically active subunit of the factor XIII complex that stabilizes blood clots through crosslinking of fibrin molecules.
(11) T cell costimulation by molecules on the antigen presenting cell (APC) is required for optimal T cell proliferation.
(12) The lipid A moiety was shown to be responsible for this novel biological activity of the LPS molecule.
(13) Both systems indicated that the Kupffer cell modified endotoxin by enriching the lipid content of the molecule and shortening the length of the O-antigen.
(14) Photoreactions induced in that proper sensitizer molecules absorb UV-light or visible light.
(15) At 100 microM-ACh the apparent open time became shorter probably due to channel blockade by ACh molecules.
(16) Flow cytofluorometric analysis of the strain distribution of the molecules defined by the mAb revealed that two of the antibodies (I-22 and III-5) were directed against nonpolymorphic determinants of Thy-1, whereas V-8 mAb reacted only with Thy-1.2+ lymphocytes.
(17) At a fixed concentration of nucleotide the effectiveness of elution was proportional to the charge on the eluting molecule.
(18) The relative rates of reduction of several spin-labeled molecules that partition differently across the hy-drophobic-interface of inner membranes from rat liver mitochondria were investigated.
(19) The seve polypeptide chains investigated had generalyy similar properties; all contained two residues per molecule of tryptophan and N-acetylserine was the common N-terminal amino acid residue.
(20) Much information has accumulated on the isolation and characterization of a heterogeneous group of molecules that inhibit one or more of the bioactivities of interleukin 1.