Prototane - Type triterpenes from the rhizomes

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Báo cáo khoa học: NMR studies on the interaction of sugars with the C-terminal domain of an R-type lectin from the earthworm Lumbricus terrestris pot

... 4,4-dimethyl-4-silapentane-1-sulfate, and13C and15N were indirectly referenced to 4,4-dimethyl-4-silapen-tane-1-sulfate [46]. All multidimensional NMR spectra wereacquired in the phase-sensitive ... (b) the B-factor of the side chain of Lys105 was high, indicat-ing that the side chain of Lys105 is ﬂexible; (c) in thisNMR study, the Kdof the c sugar-binding site forb-Me-Gal was the same ... FEBSIdentiﬁcation of sugar-binding sites The interaction of15N-labeled EW29Ch with lactose,melibiose, galactose, methyl a-d-galactopyranoside(a-Me-Gal) and methyl b-d-galactopyranoside (b-Me-Gal) was monitored...

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Tài liệu Báo cáo khoa học: Erythrochelin – a hydroxamate-type siderophore predicted from the genome of Saccharopolyspora erythraea docx

... 667respectively, whereas the third one is attached to the a-amino group of one of the d-N-acetyl-d-N-hydroxy-ornithines (haOrn) resulting in a-N-acetly-d-N-acetyl-d-N-hydroxyornithine (ac-haOrn) (Fig. ... determina-tion of the amino acid conﬁguration. The sequence of the tetrapeptidesiderophore erythrochelin was determined to be d-a-N-acetyl-d-N-acetyl-d - N-hydroxyornithine-d-serine-cyclo(l -d-N-hydroxyornithine-l-d-N-acetyl-d-N-hydroxyornithine). ... l-haOrn4a-amino grouponto the PCP3-bound tripeptide thioester functional-ity results in the fully assembled tetrapeptide consist-ing of d-ac-haOrn1-d-Ser2-l-hOrn3-l-haOrn4. The release...

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Báo cáo Y học: Ferritin from the spleen of the Antarctic teleost Trematomus bernacchii is an M-type homopolymer doc

... Corporation; pepsin and 4-vinylpyridine from Sigma; CNBr from Fluka; guanidinium chloride (recrystal-lized from methanol) from Merck; the liquid chromatogra-phy solvents, HPLC-grade, from Carlo Erba ... desalted using the ZipTipC18 (Millipore) andthen mixed with the matrix solution (a-cyano-4-hydroxy-cinnamic acid) for MALDI-TOF MS analysis.Structure comparisonA search of the SwissProt-TrEMBLE ... extension at the N-terminus.An exception is t he H c hain of G. acuticeps spleen ferritin, the N -terminal amino-acid sequence of which,TTASTSQVRQNYHQDSE, shows the typical four-ami-no-acid extension...

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Báo cáo Y học: Identiﬁcation of mammalian-type transglutaminase in Physarum polycephalum Evidence from the cDNA sequence and involvement of GTP in the regulation of transamidating activity potx

... TGase, the length of the cDNA was smaller than the length deduced from the molecular size of the puriﬁedprotein. Furthermore, an initiation codon was not observedin the sequence obtained. Therefore, ... 5¢-GGACAATTACAGATTCAGTGGGAAAG-3¢ (sense, 1815–1840) and 5¢-CGAGTATACGAAATCGATGTCGTAG-3¢ (anti sense, 1729–1753) under the same conditions. In the second 5¢ RACE, ﬁrst-strand cDNA was synthesized withanother oligonucleotide ... primer, 5¢-CCCCTCCTAATAGCGAAGAA-3¢ (antisense, 692–711). The ﬁrst PCR ampli - cation was performed with gene-speciﬁc primers: 5¢-GGTCATTCAGTCGATCGATTTAC-3¢ (sense, 616–638) and5¢-TGGAACAACTGGAACGGGTGCTG-3¢...

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Báo cáo Y học: Hemocyanin from the keyhole limpet Megathura crenulata (KLH) carries a novel type of N-glycans with Gal(b1–6)Man-motifs doc

... 3.2.1.51); endo-b-N-acetylglucosaminidase H (EC 3.2.1.96);a-D-galactosidase (EC 3.2.1.22); b-D-galactosidase (EC 3.2.1.23);a-D-mannosidase (EC 3.2.1.24); peptide-N4 -( N-acetyl-b-glucosami-nyl)asparagine ... PA-GlcNAc derivatives were not registered.Alditol acetatePresence in oligosaccharide fractionLinkageH 2-1 H 2-3 -2 F 1-5 F1–5aF 2-1 F 2-2 F2–2aF 3-1 F 4-1 F 4-2 F 4-3 F 4-4 F 5-1 F 5-2 F5–2b2,3,4-FucOH ... spectrometry; PA, 2-aminopyri-dine; PGC, porous graphitic carbon; PNGase A, peptide-N4 -( N-ace-tyl-b-glucosaminyl)asparagine amidase A from almond; PNGase F,peptide-N4 -( N-acetyl-b-glucosaminyl)asparagine...

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Cambridge.University.Press.Bioarchaeology.Interpreting.Behavior.from.the.Human.Skeleton.Feb.1999.pdf

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Báo cáo y học: " Self-reported sickness absence as a risk marker of future disability pension. Prospective findings from the DWECS/DREAM study 1990-2004"

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Báo cáo y học: " Polysaccharides from the root of Angelica sinensis protect bone marrow and gastrointestinal tissues against the cytotoxicity of cyclophosphamide in mice

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Báo cáo y học: "introduction to special issue on Eye and Zoonosis – from the guest editors"

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