What's the difference between ser and serine?

Ser


Definition:

Example Sentences:

  • (1) The IL-8 isolated from each of these cell types is a mixture of two IL-8 polypeptides, one consisting of 72 amino acids (herein called [ser-IL-8]72) and the other 77 amino acids (an N-terminal extended form herein called [ala-IL-8]77).
  • (2) Four fractions enriched, respectively, in plasma membrane (PM), smooth endoplasmic reticulum (SER), rough endoplasmic reticulum (RER), and mitochondria were isolated from estrogen-dominated rat myometrium.
  • (3) We have named them bombolitin I (Ile-Lys-Ile-Thr-Thr-Met-Leu-Ala-Lys-Leu-Gly-Lys-Val-Leu-Ala-His-Val-NH2 ), bombolitin II (Ser-Lys-Ile-Thr-Asp-Ile-Leu-Ala-Lys-Leu-Gly-Lys-Val-Leu-Ala-His-Val-NH2 ), bombolitin III (Ile-Lys-Ile-Met-Asp-Ile-Leu-Ala-Lys-Leu-Gly-Lys-Val-Leu-Ala-His-Val-NH2 ), bombolitin IV (Ile-Asn-Ile-Lys-Asp-Ile-Leu-Ala-Lys-Leu-Val-Lys-Val-Leu-Gly-His-Val-NH2 ), and bombolitin V (Ile-Asn-Val-Leu-Gly-Ile-Leu-Gly-Leu-Leu-Gly-Lys-Ala-Leu-Ser-His-Leu-NH2 ).
  • (4) By all 50 O sera we found that 71.08%, strains was serotype however, they fell into 42 O ser-types.
  • (5) The single site of troponin T which exists in a phosphorylated state in vivo (residue Ser-1) undergoes phosphorylation by specific protein kinase (troponin T kinase) related to casein kinases II.
  • (6) Finally, early chymotryptic cleavage of GPIIIa in whole platelets liberates to the soluble fraction the peptide stretch Ser-101-Tyr-348, which carries the epitope for P37 and the putative binding sites for fibrinogen.
  • (7) The lipid-mobilizing activity of a synthetic peptide, NH2-Phe-Glu-Glu-Ala-Tyr-Ile-Pro-Lys-Glu-Gln-Lys-Tyr-Ser-Phe-COOH, corresponding to the 31-44 amino-acid sequence of human growth hormone, was studied.
  • (8) The amino terminal amino acid sequences of the subunits alpha, beta and gamma were Ser-Phe-Asp-Met-, Met-Val-Pro-Gly- and Met-Arg-Leu-Thr-, respectively.
  • (9) The significance of this event is uncertain; cleaved NGF demonstrates bioactivity and no function has been attributed to the octapeptide produced (NGF-OP; Ser-Ser-Thr-His-Pro-Val-Phe-His).
  • (10) After administration of ACTH for many days, the cultured cells showed characteristic changes in sER and mitochondria.
  • (11) The replacements for Glu-43 (Asp, Gln, Asn, Ser, and Ala) both decreased the catalytic efficiency and changed the one- and two-dimensional NMR spectral properties of the mutant enzymes.
  • (12) Meanwhile, control peptide (Gly-Arg-Gly-Glu-Ser-Pro), which does not contain the crucial cell binding sequence, did not show any inhibitory effects.
  • (13) With pre-tRNA(Ser) and initiator pre-tRNA(Met), strong effects were observed in the T arm and weaker effects in the anticodon stem.
  • (14) From this modeling study, the role of Ser-229 at the active site in the bound conformer of the inhibitors was suggested.
  • (15) A structure-function study of alpha-melanotropin has shown that this tridecapeptide consists of two message sequences, (-Glu)-His-Phe-Arg-Trp- and -Gly-Lys-Pro-Val-NH2, and a potentiator sequence, Ac.Ser-Tyr-Ser-Met-(Glu-), when acting on its melanophore receptors.
  • (16) Conversion of Cys148 to Asp, Gly, or Ser decreases CH activity at least 10(5)-fold, consistent with a nucleophilic role for Cys148 (analogous to the catalytic Cys residue in TS).
  • (17) In all inhibition assays with [32P]casein or [Ser(32P)15]RII, the concentration of calcineurin required for measurable phosphatase activity is such that these complexes behave as tight-binding inhibitors of calcineurin, and steady-state kinetics cannot be used to assess inhibition patterns or Ki values.
  • (18) A bicyclic hexadecapeptide, which corresponds to the sequence 36-51 and contains the chymotrypsin-reactive Leu-43-Ser-44 bond of soybean Bowman-Birk inhibitor, has been synthesized.
  • (19) Preparation of 32P-labeled Tyr(P) and Ser(P) phosphoproteins also is presented for the direct measurement of phosphatase activities in preparations by the release of acid-soluble [32P]phosphate.
  • (20) SER proliferation in rat and monkey liver cells was less conspicuous than in mice.

Serine


Definition:

  • (n.) A white crystalline nitrogenous substance obtained by the action of dilute sulphuric acid on silk gelatin.

Example Sentences:

  • (1) Addition in the cultures of 4-deoxypyridoxine, a potent antagonist of vitamin B6 coenzymes, concurrently with the mitogen, inhibits the induction of serine hydroxymethyltransferase.
  • (2) Amino acid analysis indicated a significant number of serine amino acids: N-terminal sequence data demonstrated a high level of homology; and trypsin digestion followed by reversed-phase HPLC indicated the possibility of multiple phosphorylation sites.
  • (3) Plasminogen activator inhibitor-1 (PAI-1), the primary physiological inhibitor of tissue-type plasminogen activator (t-PA) in plasma, is a serine proteinase inhibitor (serpin) that forms a 1:1 stoichiometric complex with its target proteinase leading to the formation of a stable inactive complex.
  • (4) The alterations in DS frontal cortex included decreases in (n-6) and increases in (n-3) groups in choline and ethanolamine phosphoglycerides (CPG and EPG), as had previously been found in EPG and serine phosphoglyceride (SPG) of the DS fetal brain.
  • (5) A significant proportion of the soluble protein of the organic matrix of mollusk shells is composed of a repeating sequence of aspartic acid separated by either glycine or serine.
  • (6) Serine (12.0-18.2%), tyrosine (5.8-9.0%) and glycine (4.5-7.1%), along with arginine, make up the bulk of the amino acid residues in these molecules.
  • (7) Serine inhibited the ethanolamine incorporation by this preparation and ethanolamine inhibited the serine incorporation.
  • (8) The exceptions were the levels of threonine, glutamine, serine and histidine, which were three times greater in brain than in serum.
  • (9) Phosphorylation of serine occurs mostly (Sp H1) or entirely (Sp H2B) on the N-terminal portions of these molecules.
  • (10) The structural region contains serines, threonines, and cysteines at exactly the positions required to give mature nisin by a series of post-translational modifications involving dehydration of serines and threonines to dehydro forms, and cross-linking with cysteine residues.
  • (11) Two-dimensional phosphopeptide map analysis revealed that the major sites of tyrosine and serine phosphorylation in PLC-gamma 1 from activated Jurkat cells are the same as those in PLC-gamma 1 from cells treated with peptide growth factors such as epidermal growth factor and platelet-derived growth factor.
  • (12) Phosphate appears to be incorporated solely into serine residues.
  • (13) Other amino acids (glutamine, taurine, asparagine, alanine, serine) were only altered in single brain regions, or were not altered at all (aspartate, glycine, threonine, arginine).
  • (14) To gain further insight into the side chain requirement at position 177 that confers maltose recognition, further substitutions of isoleucine, leucine, phenylalanine, proline, and serine have been made via site-directed mutagenesis.
  • (15) Phosphoamino acid analysis showed that histidyl-tRNA synthetase is phosphorylated on serine, as has previously been shown for threonyl-tRNA synthetase of CHO cells.
  • (16) We present evidence that over-expression of human plasminogen, the precursor to the serine protease plasmin, can be cytotoxic to mammalian cells.
  • (17) Sodium Acetate, Arginine, Cysteine, Leucine, Norleucine, Methionine and Serine (more than 50%).
  • (18) Pancreatic and urinary kallikreins failed to form the typical serine proteinase complex with alpha2M (alpha2-macroglobulin).
  • (19) Serine deletion was also shown to be position-specific.
  • (20) The data obtained testify to the presence in the granular fraction of the endopeptidase LTH-converting activity which is sensitive to pepstatin A, an aspartyl proteinase inhibitor as well as to chelators and a serine proteinase inhibitor.

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