What's the difference between conformation and form?

Conformation


Definition:

  • (n.) The act of conforming; the act of producing conformity.
  • (n.) The state of being conformed; agreement; hence; structure, as depending on the arrangement of parts; form; arrangement.

Example Sentences:

  • (1) The interaction of the antibody with both the bacterial and the tissue derived polysialic acids suggests that the conformational epitope critical for the interaction is formed by both classes of compounds.
  • (2) It has been conformed that catalase from bovine liver eliminates only the pro R hydrogen atom from ethanol.
  • (3) The high transition enthalpy for kerasin is ascribed to a lesser accommodation of gauche conformers in the hydrocarbon chains just below the transition temperature.
  • (4) The Tyr side chain had two conformations of comparable energy, one over the ring between the Gln and Asn side chains, and the other with the Tyr side chain away from the ring.
  • (5) In a series of compounds with H2-antihistaminic activity, a conformational analysis was performed based on force field calculations.
  • (6) Recently, we have designed a series of simplified artificial signal sequences and have shown that a proline residue in the signal sequence plays an important role in the secretion of human lysozyme in yeast, presumably by altering the conformation of the signal sequence [Yamamoto, Y., Taniyama, Y., & Kikuchi, M. (1989) Biochemistry 28, 2728-2732].
  • (7) The molecule may already in its native form have an extended conformation containing either free sulfhydryl groups or small S-S loops not affecting mobility in SDS-PAGE.
  • (8) In 0.17 M Na+(aq), tRNA(Phe) exists in its native conformation and the number of strong binding sites (Ka greater than or equal to 10(4)) was estimated to be 3-4 by titration experiments, in agreement with X-ray structural data for crystalline tRNA(Phe) (Jack et al., 1977).
  • (9) In voltage-clamp experiments the ion current flowing through the channels was homogeneous indicating a defined conformation and a uniform size.
  • (10) However, it does not and we therefore propose the presence of an unusual DNA conformation in these regions.
  • (11) We propose that, for a GC base pair in B conformation, there are two amino proton exchangeable states--a cytosine amino proton exchangeable state and a guanine amino proton exchangeable state; both require the disruption of only the corresponding interbase H bond.
  • (12) In air-saturated solutions of DNA, yields of 8-hydroxypurines were not influenced greatly by DNA conformation.
  • (13) A detailed stereochemical analysis of known protein structures has been made which shows that: (1) irregular regions of proteins consist of a limited number of standard structures formed by three, four of more residues; (2) an amino acid residue of a protein can adopt one of the six sterically allowed conformations designated here as alpha, alpha L, beta, gamma, delta, and epsilon.
  • (14) The substructural units, 5-14 linear and 5-14 cyclic, have been used as models for MCH-- H-Asp1-Thr-Met-Arg-Cys-Met-Val-Gly-Arg HO-Val17-Glu-Trp-Cys-Pro-Arg-Tyr-Val in 1H-nmr conformational studies.
  • (15) The conformations of each peptide in various solvents were determined by CD and ir spectroscopy in order to relate immunological to structural properties.
  • (16) All data did, however, conform to normal distribution expectations.
  • (17) The conformations of cysteamine, thiazolidine, and thiazolidine-4-carboxylic acid were determined in aqueous solutions using NMR spectroscopy.
  • (18) This structural change opens the heme pocket and modifies the general conformation of the EF segment, thus explaining the increase in oxygen affinity and the achievement of a three-dimensional structure favoring asparagine deamidation.
  • (19) It is likely that the molecule undergoes a conformational change when it is bound to the receptor.
  • (20) The phenylalanine-dependent conformation and the leucine-dependent conformation differ considerably.

Form


Definition:

  • (n.) The shape and structure of anything, as distinguished from the material of which it is composed; particular disposition or arrangement of matter, giving it individuality or distinctive character; configuration; figure; external appearance.
  • (n.) Constitution; mode of construction, organization, etc.; system; as, a republican form of government.
  • (n.) Established method of expression or practice; fixed way of proceeding; conventional or stated scheme; formula; as, a form of prayer.
  • (n.) Show without substance; empty, outside appearance; vain, trivial, or conventional ceremony; conventionality; formality; as, a matter of mere form.
  • (n.) Orderly arrangement; shapeliness; also, comeliness; elegance; beauty.
  • (n.) A shape; an image; a phantom.
  • (n.) That by which shape is given or determined; mold; pattern; model.
  • (n.) A long seat; a bench; hence, a rank of students in a school; a class; also, a class or rank in society.
  • (n.) The seat or bed of a hare.
  • (n.) The type or other matter from which an impression is to be taken, arranged and secured in a chase.
  • (n.) The boundary line of a material object. In painting, more generally, the human body.
  • (n.) The particular shape or structure of a word or part of speech; as, participial forms; verbal forms.
  • (n.) The combination of planes included under a general crystallographic symbol. It is not necessarily a closed solid.
  • (n.) That assemblage or disposition of qualities which makes a conception, or that internal constitution which makes an existing thing to be what it is; -- called essential or substantial form, and contradistinguished from matter; hence, active or formative nature; law of being or activity; subjectively viewed, an idea; objectively, a law.
  • (n.) Mode of acting or manifestation to the senses, or the intellect; as, water assumes the form of ice or snow. In modern usage, the elements of a conception furnished by the mind's own activity, as contrasted with its object or condition, which is called the matter; subjectively, a mode of apprehension or belief conceived as dependent on the constitution of the mind; objectively, universal and necessary accompaniments or elements of every object known or thought of.
  • (n.) The peculiar characteristics of an organism as a type of others; also, the structure of the parts of an animal or plant.
  • (n.) To give form or shape to; to frame; to construct; to make; to fashion.
  • (n.) To give a particular shape to; to shape, mold, or fashion into a certain state or condition; to arrange; to adjust; also, to model by instruction and discipline; to mold by influence, etc.; to train.
  • (n.) To go to make up; to act as constituent of; to be the essential or constitutive elements of; to answer for; to make the shape of; -- said of that out of which anything is formed or constituted, in whole or in part.
  • (n.) To provide with a form, as a hare. See Form, n., 9.
  • (n.) To derive by grammatical rules, as by adding the proper suffixes and affixes.
  • (v. i.) To take a form, definite shape, or arrangement; as, the infantry should form in column.
  • (v. i.) To run to a form, as a hare.

Example Sentences:

  • (1) All mutant proteins could associate with troponin I and troponin T to form a troponin complex.
  • (2) Such a signal must be due to a small ferromagnetic crystal formed when the nerve is subjected to pressure, such as that due to mechanical injury.
  • (3) These data suggest that the hybrid is formed by the same mechanism in the absence and presence of the urea step.
  • (4) The interaction of the antibody with both the bacterial and the tissue derived polysialic acids suggests that the conformational epitope critical for the interaction is formed by both classes of compounds.
  • (5) In Patient 2 they were at first paroxysmal and unformed, with more prolonged metamorphopsia; later there appeared to be palinoptic formed images, possibly postictal in nature.
  • (6) Aggregation was more frequent in low-osmolal media: mainly rouleaux were formed in ioxaglate but irregular aggregates in non-ionic media.
  • (7) The various evocational changes appear to form sets of interconnected systems and this complex network seems to embody some plasticity since it has been possible to suppress experimentally some of the most universal evocational events or alter their temporal order without impairing evocation itself.
  • (8) Virtually every developed country has some form of property tax, so the idea that valuing residential property is uniquely difficult, or that it would be widely evaded, is nonsense.
  • (9) The oral nerve endings of the palate, the buccal mucosa and the periodontal ligament of the cat canine were characterized by the presence of a cellular envelope which is the final form of the Henle sheath.
  • (10) We similarly evaluated the ability of other phospholipids to form stable foam at various concentrations and ethanol volume fractions and found: bovine brain sphingomyelin greater than dipalmitoyl 3-sn-phosphatidylcholine greater than egg sphingomyelin greater than egg lecithin greater than phosphatidylglycerol.
  • (11) Because cystine in medium was converted rapidly to cysteine and cysteinyl-NAC in the presence of NAC and given that cysteine has a higher affinity for uptake by EC than cystine, we conclude that the enhanced uptake of radioactivity was in the form of cysteine and at least part of the stimulatory effect of NAC on EC glutathione was due to a formation of cysteine by a mixed disulfide reaction of NAC with cystine similar to that previously reported for Chinese hamster ovarian cells (R. D. Issels et al.
  • (12) The absorption of ingested Pb is modified by its chemical and physical form, by interaction with dietary minerals and lipids and by the nutritional status of the individual.
  • (13) The role of Ca2+ in cell agglutination may be either to activate the cell-surface dextran receptor or to form specific intercellular Ca2+ bridges.
  • (14) It involves creativity, understanding of art form and the ability to improvise in the highly complex environment of a care setting.” David Cameron has boosted dementia awareness but more needs to be done Read more She warns: β€œTo effect a cultural change in dementia care requires a change of thinking … this approach is complex and intricate, and can change cultural attitudes by regarding the arts as central to everyday life of the care home.” Another participant, Mary*, a former teacher who had been bedridden for a year, read plays with the reminiscence arts practitioner.
  • (15) Most of the radioactivity in spleen cells from these rats were associated with antigen-reactive cells which formed rosettes specifically with HO erythrocytes.
  • (16) 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).
  • (17) The origins of aging of higher forms of life, particularly humans, is presented as the consequence of an evolved balance between 4 specific kinds of dysfunction-producing events and 4 kinds of evolved counteracting effects in long-lived forms.
  • (18) The findings clearly reveal that only the Sertoli-Sertoli junctional site forms a restrictive barrier.
  • (19) The procedure used in our laboratory was not able to provide accurate determination of the concentrations of these binding forms.
  • (20) Pokeweed mitogen-stimulated rat spleen cells were identified as a reliable source of rat burst-promoting activity (PBA), which permitted development of a reproducible assay for rat bone marrow erythroid burst-forming units (BFU-E).