Structural study of the N-linked oligosaccharides of hepatocyte growth factor by two-dimensional sugar mapping.

abstract：:An acid proteinase different from pepsin was purified from bullfrog (Rana catesbeiana) gastric mucosa by chromatography on hydroxyapatite, Q-Sepharose, Con A-Sepharose 4B, and Mono Q columns. Its molecular weight after purification was estimated by sodium dodecyl sulfate-polyacrylamide gel electrophoresis to be 45 kDa...

journal_title：Journal of biochemistry

authors： Inokuchi T,Kobayashi K,Horiuchi S

更新日期：1994-01-01 00:00:00

abstract：:Specific antibodies were prepared against cytochromes P450 PB-1, PB-2, PB-4, and PB-5 purified from hepatic microsomes of male rats treated with phenobarbital. With these antibodies, the levels of these four cytochrome P450s in hepatic, renal, and pulmonary microsomes of male rats that were untreated, treated with phe...

journal_title：Journal of biochemistry

authors： Imaoka S,Terano Y,Funae Y

更新日期：1989-06-01 00:00:00

abstract：:We found functionally active thrombomodulin in human platelets (60 +/- 18 molecules per platelet). Protein C appeared not to be activated by thrombin with gel-filtered platelets. However, the activation of protein C by thrombin was accelerated by thrombin-stimulated and washed platelets. This cofactor activity of the ...

journal_title：Journal of biochemistry

authors： Suzuki K,Nishioka J,Hayashi T,Kosaka Y

更新日期：1988-10-01 00:00:00

abstract：:The DNA fragment containing the phoS gene, a regulatory gene for alkaline phosphatase, has been isolated from Escherichia coli K-12 chromosomal DNA by cutting off the DNA with Hind III restriction enzyme and by cloning the gene with plasmid vector pTP 4 which was constructed in this study. The isolated fragment was of...

journal_title：Journal of biochemistry

authors： Iwakura M,Shimura Y,Tsuda K

更新日期：1982-09-01 00:00:00

abstract：:The gizzard tropomyosin molecule is composed of two subunits at 1:1 molar ratio. Possible composites of the tropomyosin molecule are two kinds of homodimer (one for each subunit), a heterodimer of two subunits, or a mixture of heterodimer and homodimer(s). We tried to evaluate the native subunit composition of gizzard...

journal_title：Journal of biochemistry

authors： Nakamura S,Sakurai T,Nonomura Y

更新日期：1991-05-01 00:00:00

abstract：:The Basidiomycete ras gene possesses a pyrimidine-rich stretch (CT-motif) with a short (7 bases) mirror repeat in which its major transcription start point is contained. To analyze the tertiary structure induced by the CT/AG-biased sequence and its effect on gene expression in supercoiled plasmids in Escherichia coli,...

journal_title：Journal of biochemistry

authors： Yamazaki T,Hasebe T,Shouguchi J,Amano H,Kajiwara S,Shishido K

更新日期：1997-10-01 00:00:00

abstract：:The aim of this work was to investigate the putative modulation of glucose uptake in trophoblast cells by several dietary compounds and by drugs of abuse. For this, the acute (26 min) and chronic (48 h) effect of these substances on the apical uptake of 3H-2-deoxy-D-glucose (3H-DG) by a human choriocarcinoma cell line...

journal_title：Journal of biochemistry

authors： Araújo JR,Gonçalves P,Martel F

更新日期：2008-08-01 00:00:00

abstract：:Two G-protein-coupled receptors (GPCRs) that couple with Gαq/11, B2 bradykinin (BK) receptor (B2R) and ATP/UTP receptor P2Y2 (P2Y2R), are ubiquitously expressed and responsible for vascular tone, inflammation, and pain. We analysed the cellular signalling of P2Y2Rs in cells that express B2Rs. B2R desensitization induc...

journal_title：Journal of biochemistry

authors： Yashima S,Shimazaki A,Mitoma J,Nakagawa T,Abe M,Yamada H,Higashi H

更新日期：2015-08-01 00:00:00

abstract：:Steroid monooxygenase of Rhodococcus rhodochrous is a Baeyer-Villigerase catalyzing the insertion of an oxygen atom between the C(17)- and C(20)-carbons of progesterone to produce testosterone acetate. The 5.1-kbp-long BamHI DNA fragment containing the steroid monooxygenase gene, smo, was cloned from the chromosomal D...

journal_title：Journal of biochemistry

authors： Morii S,Sawamoto S,Yamauchi Y,Miyamoto M,Iwami M,Itagaki E

更新日期：1999-09-01 00:00:00

abstract：:The technique of saturation transfer electron spin resonance has been applied to study the rotational diffusion of spin-labeled Ca2+, Mg2+-dependent ATPase molecules in the membranes of sarcoplasmic reticulum vesicles. Comparison of the present data with those for spin-labeled hemoglobin undergoing isotropic rotation ...

journal_title：Journal of biochemistry

authors： Kirino Y,Ohkuma T,Shimizu H

更新日期：1978-07-01 00:00:00

abstract：:The effects of increases in perfusion pressure and direction of perfusion flow (anterograde and retrograde) on hepatic carbohydrate metabolism were examined in the isolated perfused rat liver. Changing the direction of flow from anterograde (portal to caval vein) to retrograde (caval to portal vein) increased the rate...

journal_title：Journal of biochemistry

authors： Shiota M,Chinzei F,Moriyama M,Kimura K,Sugano T

更新日期：1995-05-01 00:00:00

abstract：:Structural studies were carried out on the teichoic acids in cell walls of Listeria monocytogenes serotypes 3a, 4b, 4f, 6, and 7. The structure of the dephosphorylated repeating units, obtained by treatment with 46% hydrogen fluoride or alkaline hydrolysis, was examined by methylation analysis, acetolysis, and 1H-NMR ...

journal_title：Journal of biochemistry

authors： Uchikawa K,Sekikawa I,Azuma I

更新日期：1986-02-01 00:00:00

abstract：:1. Glyceraldehyde-3-phosphate dehydrogenases [EC 1.2.1.12] from rabbit, pig, lobster, yeast, E. coli, and B. stearothermophilus have been subjected to hybridization in 3M NaCL. 2. Suitable mixtures of electrophoretically distinct glyceraldehyde-3-phosphate dehydrogenases were found to give five-membered by electrophor...

journal_title：Journal of biochemistry

authors： Suzuki K,Harris JI

更新日期：1975-03-01 00:00:00

abstract：:We describe cross-linking conditions for myosin subfragment-1 and actin with 1-ethyl-3-[3-(dimethylamino)propyl]carbodiimide, with which the compositions of cross-linked species can be altered. The specific Mg-ATPase activity of cross-linked subfragment-1 in these preparations was almost the same in spite of the diffe...

journal_title：Journal of biochemistry

authors： Yamamoto K

更新日期：1993-12-01 00:00:00

abstract：:To study the effect of cross-linking of membrane proteins on vesiculation of human erythrocytes by dimyristoylphosphatidylcholine (DMPC), red cells were treated with diamide at atmospheric pressure or 100 MPa and then incubated with DMPC in buffers of pH 6.5-8.5. Irrespective of buffer pH, the amount of released vesic...

journal_title：Journal of biochemistry

authors： Yamaguchi T,Yamada S,Kimoto E

更新日期：1994-04-01 00:00:00

abstract：:Spotted mackerel protamine, scombrine, was isolated from the sperm of a spotted mackerel (Scomber australasicus) by extraction with sulfuric acid and fractionated into one major (scombrine II) and one minor (scombrine I) components by chromatography on CM-Sephadex C-25. Scombrine II gave a single band, whereas scombri...

journal_title：Journal of biochemistry

authors： Okamoto Y,Ogawa K,Motohiro T,Nishi N,Muta E,Ota S

更新日期：1993-06-01 00:00:00

abstract：:The enzymes phosphoglucomutase (PGM) and phosphomannomutase (PMM) play an important role in the synthesis of extracellular polysaccharide. By colony hybridization of the fosmid library of Sphingomonas chungbukensis DJ77, an open reading frame (ORF-1) of 1,626 nucleotides, whose predicted product is highly homologous w...

journal_title：Journal of biochemistry

authors： Yoon SS,Park SH,Kim YC,Shin M,Chong CK,Choi JD

更新日期：2008-10-01 00:00:00

abstract：:Partition of merocyanine dyes, which have a negative charge, onto photosynthetic membranes of chloroplasts and bacteria was analyzed by measuring the fluorescence intensity change, absorbance change, and amount of dye in the supernatant after centrifugation. The partition depended on the surface potential, which is a ...

journal_title：Journal of biochemistry

authors： Masamoto K,Matsuura K,Itoh S,Nishimura M

更新日期：1981-02-01 00:00:00

abstract：:A very rapid hemolysis was found to be caused by active oxygen species produced by a hypoxanthine-xanthine oxidase system with very low concentrations of hypoxanthine. The addition of superoxide dismutase or catalase inhibited the hemolysis, indicating that O2- and H2O2 participate in this system. The extent of erythr...

journal_title：Journal of biochemistry

authors： Taniguchi M,Aikawa M,Sakagami T

更新日期：1981-03-01 00:00:00

abstract：:The amount of S-II, a protein specifically stimulating RNA polymerase II, was measured in various mouse organs by a micro complement fixation assay. The amount was almost the same in brain, liver, kidney, spleen, and Ehrlich ascites tumor cells on the basis of DNA, being about 3.8 micrograms/mg DNA, which corresponds ...

journal_title：Journal of biochemistry

authors： Tamura H,Sekimizu K,Obinata M,Natori S

更新日期：1980-11-01 00:00:00

abstract：:Human promyelocytic leukemia cells (HL-60) were treated with several differentiation inducers, then the changes in the activity of cytosolic protein kinase C (PKC) isoforms were examined by hydroxylapatite chromatography and the species of the isoforms were determined immunologically. In three undifferentiated HL-60 c...

journal_title：Journal of biochemistry

authors： Tanaka Y,Yoshihara K,Tsuyuki M,Itaya-Hironaka A,Inada Y,Kamiya T

更新日期：1992-02-01 00:00:00

abstract：:We tried to confirm the antioxidative capability of lecithin:cholesterol acyltransferase (LCAT) reported by Vohl et al. [Biochemistry (1999) 38, 5976-5981]. The enzyme solution protected LDL against oxidation. However, this protection was not due to LCAT enzyme, but to some unknown low-molecular-weight substance(s) in...

journal_title：Journal of biochemistry

authors： Murakami Y,Kamiyama S,Howlader ZH,Yamato T,Komai M,Furukawa Y

更新日期：2002-01-01 00:00:00

abstract：:Human matrix metalloproteinase 7 (MMP-7) activity exhibits broad bell-shaped pH profile with the acidic and alkaline pK(a) (pK(e1) and pK(e2)) values of about 4 and 10. The ionizable group for pK(e2) was assigned to Lys or Arg by thermodynamic analysis; however, no such residues are present in the active site. Hence, ...

journal_title：Journal of biochemistry

authors： Morishima A,Yasukawa K,Inouye K

更新日期：2012-05-01 00:00:00

abstract：:The primary structure of human IGF-I, except for the disulfide bond system, has been reported by Rinderknecht and Humbel. IGF-I afforded the corresponding characteristic peptide fragment on V8 protease digestion, which contained Cys6, Cys47, Cys48, and Cys52. Two possible fragments, Type I with Cys6-Cys47 and Cys48-Cy...

journal_title：Journal of biochemistry

authors： Iwai M,Kobayashi M,Tamura K,Ishii Y,Yamada H,Niwa M

更新日期：1989-12-01 00:00:00

abstract：:To clarify the relationship among ryanodine receptor isoforms from skeletal muscles of various vertebrates (alpha- and beta-isoforms with smaller and larger mobilities on SDS-polyacrylamide gel electrophoresis, respectively), we examined the cross-reactivities of those receptors from 13 animal species by Western blot ...

journal_title：Journal of biochemistry

authors： Murayama T,Ogawa Y

更新日期：1994-11-01 00:00:00

abstract：:The active site of thermolysin is composed of one zinc ion and five polypeptide regions [N-terminal sheet (Asn112-Trp115), alpha-helix 1 (Val139-Thr149), C-terminal loop 1 (Asp150-Gly162), alpha-helix 2 (Ala163-Val176) and C-terminal loop 2 (Gln225-Ser234)]. To explore their catalytic roles, we introduced single amino...

journal_title：Journal of biochemistry

authors： Kusano M,Yasukawa K,Inouye K

更新日期：2009-01-01 00:00:00

abstract：:We have isolated a gene (clone Y113G7A.11) from Caenorhabditis elegans (C. elegans), that we have designated as ceST1, and which is the only member of the cytosolic sulfotransferase (SULT) gene family present in the genome of this organism. We identified the SULT motifs of ceST1 based upon their deduced amino acid seq...

journal_title：Journal of biochemistry

authors： Hattori K,Inoue M,Inoue T,Arai H,Tamura HO

更新日期：2006-03-01 00:00:00

abstract：:A high mobility group (HMG) nonhistone protein fraction HMG(1 + 2), composed of HMG1 and HMG2, was prepared from pig thymus chromatin. In order to examine a possibility that the HMG(1 + 2) participates in the unwinding of the DNA double-helix, DNA hydrolysis assay systems with the endonucleases specific for single-str...

journal_title：Journal of biochemistry

authors： Yoshida M,Shimura K

更新日期：1984-01-01 00:00:00

abstract：:A method was developed to obtain heavy meromyosin (HMM) from the tryptic digest of skipjack tuna dorsal myosin. The tuna HMM thus obtained was shown to be homogeneous on gel filtration-gel electrophoresis, and on ultracentrifugation. The sedimentation constant (S20,w) was estimated to be 6.1S for tuna HMM. The ATPase ...

journal_title：Journal of biochemistry

authors： Kimura I,Arai K,Watanabe S

更新日期：1979-12-01 00:00:00

abstract：:Pork insulin was subjected to mercaptosuccinylation and then coupled to beta-D-galactosidase [EC 3.2.1.23] from Escherichia coli using N,N'-o-phenylenedimaleimide. The competitive binding of the conjugate and insulin to anti-insulin antibody was tested. Results showed that formation of an insulin-beta-D-galactosidase ...

journal_title：Journal of biochemistry

authors： Kato K,Hamaguchi Y,Fukui H,Ishikawa E

更新日期：1975-07-01 00:00:00