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Topic: Trimer

In the News (Fri 25 Apr 14)

  Bifurcations of 60 Trimer Uniform Spacing MOdels   (Site not responding. Last check: 2007-10-13)
The 60 trimer models have three trimers per face, related by three-fold rotational symmetry.
So, of the 60 trimers, only one is independent, and the other 59 are icosahedral projections.
The abscissa ("gamma") of this figure is the orientation angle of the trimer, and the ordinate ("amplitude") determines its shape.
www.albany.edu /~cmarzec/60trimers.html   (480 words)

 Structures of the two 3D domain-swapped RNase A trimers -- Liu et al. 11 (2): 371 -- Protein Science
The major trimer (broken line) dissociates into the minor dimer, the major dimer, and the monomer, whereas the minor trimer (solid line) dissociates into the major dimer and the monomer.
The pattern of dissociation of the major trimer is consistent with the linear trimer model of Fig.
Cross-linking of the major trimer (A) yields the cross-linked monomer, the intact monomer, and the cross-linked minor dimer, whereas cross-linking of the minor trimer (B) yields the cross-linked monomer and the intact monomer.
www.proteinscience.org /cgi/content/full/11/2/371   (5910 words)

The three N termini of the trimer are located on one end of the barrel and these termini contain a conserved motif ([V/I]G[V/I]D[V/I]; in single-letter amino acid code).This conserved stretch forms the first strand, beta- 1, which packs against beta -4 and beta-5 from another molecule in the trimer[ 4 ].
Mutants with reduced molecular weight do not show measurable activity suggesting one of three possibilities: that the trimer is necessary for activity; structure around th active site of the protein gets disrupted due to mutation; or that these single-point mutations lead to misfolded proteins[ 4 ].
This mutation could be interpreted as shifting the equilibrium away from the active trimer, resulting in reduced activity.
www.arches.uga.edu /~jolly/bcmb8010/p2.html   (714 words)

 Trimer - Wikipedia, the free encyclopedia
trimer (chemistry), a reaction product composed of three identical molecules
trimer (biochemistry), a compound of three macromolecules non-covalently bound
Trimer, a commune of the Ille-et-Vilaine d├ępartement, in France
en.wikipedia.org /wiki/Trimer   (91 words)

 EPA: Federal Register: Nominations for Peer Reviewers for Toxicological Testing Initiative for Styrene Acrylonitrile ...
The peer review workshop is being organized to assist in conducting the most scientifically credible and relevant testing for carcinogenicity of the trimer, particularly during the perinatal period, and for chronic non-cancer health effects.
trimer measured in water drawn from groundwater wells have been in the parts per billion and lower.
Trimer will consider the results of the workshop prior to finalizing the testing initiative and experimental protocols.
www.epa.gov /fedrgstr/EPA-PEST/1999/November/Day-18/p30154.htm   (912 words)

 Glen Research Glen Report
Trimer Phosphoramidites – Tools for fine-tuning protein function Introducing mutations in existing proteins can be used to fine-tune almost any desired property, such as improved stability to high temperatures, denaturants, or non-aqueous solvents; higher affinity binding to a target molecule; increased rates of enzymatic reactions; or changes of specificities.
Therefore, unlike other methods of mutagenesis, Trimer Phosphoramidites lead to no codon bias, no frame-shift mutations, and no production of stop codons, making them highly efficient tools for the exploration of sequence space in protein regions that are important for function.
Trimer phosphoramidites can be added during synthesis using standard DNA synthesis chemistry.
www.glenres.com /GlenReports/GR18-12.html   (697 words)

 Trinuclear Fe-Pt-Fe Complex
When a single photon is absorbed, an electron is transferred from one of the Fe centers to the Pt center, yielding a short-lived Fe -Pt -Fe intermediate.
An electron is then transferred from the remaining Fe center to the Pt center, resulting in the dissociation of the complex into 2[Fe ] and Pt(NH Thus, the absorption of a single photon gives rise to the transfer of two electrons.
1) Crystal structure determination of the Pt(NH salt of trimer.
www.princeton.edu /~abbgroup/TrimerPage.html   (392 words)

 Interactions of the CCAAT-binding Trimer NF-Y with Nucleosomes -- Motta et al. 274 (3): 1326 -- Journal of Biological ...
The NF-Y Trimer Binds the CCAAT Box in Chromatin Templates-- We have recently developed an in vitro chromatin reconstitution system using whole cell extracts from the brine shrimp A.
B, the NF-YA, NF-YB-NF-YC dimer or the NF-Y trimer was incubated with the Artemia extract as in A, with the plasmid pE3m16, which contains a NF-Y crippling mutation in the Y box (17), and the blot was hybridized with the corresponding Y box oligonucleotide.
In lanes 16-18, the NF-Y trimer was incubated with naked wt fragment 2.
www.jbc.org /cgi/content/full/274/3/1326   (5206 words)

 Proliferating Cell Nuclear Antigen (PCNA) May Function as a Double Homotrimer Complex in the Mammalian Cell -- Naryzhny ...
Short synthetic peptides corresponding to the amino acid sequences encompassing Arg-5 and Lys-110 inhibited double trimer formation, whereas a peptide corresponding to the front side of PCNA trimer did not.
CHO cell extracts by hypotonic lysis buffer were incubated with different concentration of synthetic peptides for 10 min on ice prior to cross-linking.
Two PCNA trimers were then laid out in a back-to-back arrangement using PhotoEditor and PowerPoint to show the contact points from the side view (lower part of A).
www.jbc.org /cgi/content/full/280/14/13888   (3902 words)

 Crosslinking snapshots of bacterial chemoreceptor squads -- Studdert and Parkinson 101 (7): 2117 -- Proceedings of the ...
The light-gray dimer subunits lie on the inside, at the trimer interface; the dark gray subunits lie on the outside.
In mixed trimers that contain both V384C and V398C dimers, a reporter pair (circled) should form at the trimer interface.
of the trimer of dimers is its trigonal symmetry.
www.pnas.org /cgi/content/full/101/7/2117   (4315 words)

 Research from the Department of Biology   (Site not responding. Last check: 2007-10-13)
To explore the nature of these receptor signaling teams, we attempted to isolate Tar mutants that were "resistant" to Tsr* epistasis by selecting mutations in Tar that restored chemotactic ability to cells with an epistatic Tsr* defect.
Trimers containing one Tsr dimer (yellow) and two Tar dimers (gray) are shown in cross- section.
In two of the trimers, one suppressor residue in each tar subunit appears to impinge directly on the trimer interface, which might account for the suppression effect.
www.biology.utah.edu /posters2.php?id=33   (562 words)

 Results Of Trimer Hexamer Equilibrium
molecular man is in trimer formation 75% of the time.
shaking their ester’s, they break off in to two trimers, and go to work.
40 percent a trimer, and 10 percent a monomer.
student.biology.arizona.edu /honors2003/group15/ResultsTrimer.html   (216 words)

 Multimeric soluble CD40 ligand and GITR ligand as adjuvants for human immunodeficiency virus DNA vaccines
Soluble trimeric forms of CD40L have been produced, but in vitro data indicate that multimeric, many-trimer forms of soluble CD40L are more active.
Fusion with the body of Acrp30 was used to produce the 2-trimer form, and fusion with the body of surfactant protein D was used to produce the 4-trimer form.
Using plasmids for secreted HIV-1 antigens Gag and Env, soluble CD40L was active as an adjuvant in direct proportion to the valence of the trimers (1 < 2 < 4).
repositories.cdlib.org /postprints/1391   (360 words)

 The trimer-of-hairpins motif in membrane fusion: Visna virus -- Malashkevich et al. 98 (15): 8502 -- Proceedings of the ...   (Site not responding. Last check: 2007-10-13)
In the native state the trimeric complex between the soluble (SU) and transmembrane subunits is formed; the fusion peptide and N-peptide (N) regions of the TM are not exposed.
After interaction with the cellular receptor(s), a conformational change results in the formation of a transient prehairpin intermediate in which the fusion peptide regions (red lines) are inserted into the cell membrane, and the coiled coil of the N-peptide region of the TM (dark blue) is exposed.
Six water molecules (red spheres) fill the void near the ring of the Ser-709 side chains grouped around the trimer axis.
www.pnas.org /cgi/content/full/98/15/8502   (3249 words)

 PARALDEHYDE (ACETALDEHYDE, TRIMER)   (Site not responding. Last check: 2007-10-13)
Paraldehyde (also called paracetaldehyde), colourless highly flammable, disagreeable taste and pungent odored liquid, is a cyclic trimer of acetaldehyde contains a six-membered ring of alternating carbon and oxygen atoms with a hydrogen atom and a methyl group attached to each carbon atom.
(tetramer is metaldehyde, which has a similar structure to the trimer but with an eight-membered ring.).
Paraldehyde is available on prescription only; paraldehyde should be used with caution in people with disease of the airways or lungs.
www.chemicalland21.com /arokorhi/industrialchem/solalc/PARALDEHYDE.htm   (460 words)

 Trimer tilings   (Site not responding. Last check: 2007-10-13)
We study random tilings of the square lattice by horizontal and vertical trimers.
Such tilings can be thought as four-dimensional interfaces where each site is given a height in a two-dimensional space.
These data suggest that this system is close to, or at, its roughening transition.
www.santafe.edu /~moore/pubs/trimer.html   (132 words)

 Research from the Department of Biology   (Site not responding. Last check: 2007-10-13)
The unusual complementation phenotypes of Tsr trimer contact mutants suggest that receptor dimers may normally function in higher order signaling teams, possibly trimers of dimers.
Epistasis and rescue of Tsr trimer contact mutants might occur through formation of mixed trimers of dimers.
Epistatic defects may distort trimer geometry to prevent modulation of the CheA kinase, whereas rescuable defects may allow functional receptor partners to dictate trimer geometry, thereby restoring stimulus control of CheA signaling activity.
www.biology.utah.edu /posters2.php?id=31   (628 words)

 Structure of Ammonia Trimer   (Site not responding. Last check: 2007-10-13)
The three N-H bonds involved in hydrogen-bonding form a perfect triangle.
There also exist non-cyclic or "open" structures of ammonia trimer but they are slightly less stable.
Finally, note that three amines (R instead of H) also could form such a trimer as long as there is at least one H-atom connected to the amine-N (primary and secondary amines, not tertiary amines).
www.missouri.edu /~chemrg/wade/chapter2/ammonia_trimer.html   (82 words)

 Trimer Weed Eater part >> Eater Weed Trimers Echo » Cordless Trimme Weed (via CobWeb/3.1 planetlab2.isi.jhu.edu)   (Site not responding. Last check: 2007-10-13)
- CMD Products' Retailers for Grass Gator weed Trimer replacement heads : CMD's family of products for the home & garden are user friendly, economical, effective, and CMD Products are sold throughout the United States, Canada, and Puerto Rico, Echo Weed Trimer part.
If youve ever gotten tired of those crazy weed Trimers blade spools that are supposed to ?self Eater part Weed Trimers cordless.
A string trimmer, also called a line trimmer, edge trimmer, Weedeater (a brandname), Weedwhacker, whipper snipper, strimmer, garden strimmer, or brush cutter is a powered handheld device that uses a flexible monofilament line instead of a blade for cutting grass and other plants near objects.
www.y3news.info.cob-web.org:8888 /shopping/weed-trimmer.htm   (784 words)

 Enter the world of Trimere (via CobWeb/3.1 planetlab2.isi.jhu.edu)   (Site not responding. Last check: 2007-10-13)
In 1999, Trimeris was first opened as a medieval furry fantasy 100% role playing muck.
Currently run by our Head Wiz, Raine, Trimere has gone through many changes, and now, has evolved into a muck, not only with a base of solid role players, but also has a rich, detailed world that provides players with a vivid stage on which to play.
You will be required, in the near future, to accept these policies via a flag that will be placed on your character on the MUCK.
www.trimere.com.cob-web.org:8888   (199 words)

 Trimer Homelite String >> Part Homelite Trimers Gas » Weed Trimme Homelite (via CobWeb/3.1 planetlab2.isi.jhu.edu)   (Site not responding. Last check: 2007-10-13)
- Homelite Trimers: Homelite Trimme, Thank you for visiting our homelite Trmmer website, We hope you find all the homelite Trimer that you're looking for, String Homelite Trimers hedge.
The original meaning of the term potentiometer, which is still in use, is an apparatus used to measure the potential (or voltage) in a circuit by tapping off a portion of a known voltage from a resistive slide wire and comparing it with the unknown voltage by means of a voltmeter or galvanometer.
The voltage across the selected section of wire is then equal to the unknown voltage.
www.y3news.info.cob-web.org:8888 /shopping/homelite-trimmer.htm   (816 words)

 eBay.co.uk - Trimer, Hair Removal, Mobility, Disability Medical, Health Beauty items at low prices   (Site not responding. Last check: 2007-10-13)
New Fitness Waist Trimer and Toner Back Suppor Free Post
Use of this Web site constitutes acceptance of the eBay User Agreement and Privacy Policy.
search.ebay.co.uk /Trimer_W0QQfclZ4QQfnuZ1   (165 words)

 Cruise Critic Message Boards - View Profile: trimer   (Site not responding. Last check: 2007-10-13)
Cruise Critic Message Boards - View Profile: trimer
trimer is not a member of any public groups
You may, however, download a single copy only for your personal use.
boards.cruisecritic.com /member.php?u=51552   (53 words)

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