WO2004038034A1 - 新規なフルクトシルペプチドオキシダーゼとその利用 - Google Patents
新規なフルクトシルペプチドオキシダーゼとその利用 Download PDFInfo
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- WO2004038034A1 WO2004038034A1 PCT/JP2003/013548 JP0313548W WO2004038034A1 WO 2004038034 A1 WO2004038034 A1 WO 2004038034A1 JP 0313548 W JP0313548 W JP 0313548W WO 2004038034 A1 WO2004038034 A1 WO 2004038034A1
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K14/00—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
- C07K14/795—Porphyrin- or corrin-ring-containing peptides
- C07K14/805—Haemoglobins; Myoglobins
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N9/00—Enzymes; Proenzymes; Compositions thereof; Processes for preparing, activating, inhibiting, separating or purifying enzymes
- C12N9/0004—Oxidoreductases (1.)
- C12N9/0012—Oxidoreductases (1.) acting on nitrogen containing compounds as donors (1.4, 1.5, 1.6, 1.7)
- C12N9/0014—Oxidoreductases (1.) acting on nitrogen containing compounds as donors (1.4, 1.5, 1.6, 1.7) acting on the CH-NH2 group of donors (1.4)
- C12N9/0022—Oxidoreductases (1.) acting on nitrogen containing compounds as donors (1.4, 1.5, 1.6, 1.7) acting on the CH-NH2 group of donors (1.4) with oxygen as acceptor (1.4.3)
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- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N9/00—Enzymes; Proenzymes; Compositions thereof; Processes for preparing, activating, inhibiting, separating or purifying enzymes
- C12N9/14—Hydrolases (3)
- C12N9/24—Hydrolases (3) acting on glycosyl compounds (3.2)
- C12N9/2402—Hydrolases (3) acting on glycosyl compounds (3.2) hydrolysing O- and S- glycosyl compounds (3.2.1)
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
- C12P21/00—Preparation of peptides or proteins
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
- C12P21/00—Preparation of peptides or proteins
- C12P21/005—Glycopeptides, glycoproteins
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12Q—MEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEIC ACIDS OR MICROORGANISMS; COMPOSITIONS OR TEST PAPERS THEREFOR; PROCESSES OF PREPARING SUCH COMPOSITIONS; CONDITION-RESPONSIVE CONTROL IN MICROBIOLOGICAL OR ENZYMOLOGICAL PROCESSES
- C12Q1/00—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions
- C12Q1/26—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving oxidoreductase
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12Q—MEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEIC ACIDS OR MICROORGANISMS; COMPOSITIONS OR TEST PAPERS THEREFOR; PROCESSES OF PREPARING SUCH COMPOSITIONS; CONDITION-RESPONSIVE CONTROL IN MICROBIOLOGICAL OR ENZYMOLOGICAL PROCESSES
- C12Q1/00—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions
- C12Q1/34—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving hydrolase
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
- G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
- G01N33/68—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing involving proteins, peptides or amino acids
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
- G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
- G01N33/72—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing involving blood pigments, e.g. haemoglobin, bilirubin or other porphyrins; involving occult blood
- G01N33/721—Haemoglobin
- G01N33/725—Haemoglobin using peroxidative activity
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2400/00—Assays, e.g. immunoassays or enzyme assays, involving carbohydrates
Definitions
- the present invention relates to a method for producing an enzyme from a fructosylated peptide or protein.
- the present invention relates to a method for defructosylation, a novel enzyme having the action thereof, and a method for measuring fructosylated peptides or proteins by measuring a reaction product obtained by the method.
- Hemoglobin (Hb) Ale is a non-enzymatically formed Amadori transfer after the non-enzymatic formation of a Schiff base between the amino group of the 3-chain N-terminal palin and the aldehyde group of Darcos. And, consequently, a glycoprotein having a structure in which fructose is bound to a palin residue.
- HbAle is important as an indicator of diabetes management, because it reflects clinically the average blood glucose level in the past one to two months, and a rapid, simple, accurate, and practical quantification method is required. ing.
- I FCC (.International Federation of Clinical Chemistry and Laboratory Medicine) is a 6-peptide N-terminal peptide that is suspected of fructosyl valine, obtained by hydrolyzing hemoglobin with endoprotease G1u-C. After the fragments are separated by HPLC, they can be quantified by capillary electrophoresis or mass spectrometry by the practical standard method of HbA1c (Kobold U., et al; Candidate reference methods for hemoglobinAlc based on peptide mapping. Clin Chem., 43, 1944-1951 (1997)). However, this method requires special equipment, so the operation is complicated, the economy is low, and it is not suitable for practical use.
- an object of the present invention is to provide a defructosyl effect on fructosylated proteins such as HbAlc, and fructosylated peptides of various lengths that are cut out when the fructosylide protein is degraded by a protease.
- An object of the present invention is to provide an enzyme having the same, a defructosylation method using the enzyme, and a method for measuring a fructosylated peptide or protein using the defructosylation reaction.
- the present inventors have searched for enzymes from nature to achieve the above object, and found that enzymes having a defructosyl effect such as FA ⁇ D reported so far were derived from microorganisms. Thus, the present inventors have found that an enzyme having a defructosyl action also exists in a plant, and that an enzyme derived from the plant exerts a defructosyl action irrespective of the length of the peptide chain of the fructosyl peptide. completed.
- an object of the present invention is to provide a method for defructosylation, which comprises using an enzyme having a defructosyl action extracted from a plant.
- the present invention also provides an enzyme having a defructosyl action on a fructosylated peptide or protein, which is derived from a plant. .
- the present invention provides a method for measuring fructosylated peptides or proteins, which comprises measuring one or more reaction products obtained by the above defructosylation method. It is.
- N-terminal valine can be defructosylated from a fructosylated peptide or protein. Furthermore, by quantifying the reaction product, peptides, proteins, protein subunits, etc., in which N-terminal palin is fructosylated, such as HbAlc, can be accurately quantified.
- FIG. 1 is a diagram showing the results of capillari electrophoresis of reaction solution 1 in which a defructosylation enzyme derived from a Gingeraceae plant was allowed to act on fructosyl triptide (f_VHL).
- FIG. 2 is a diagram showing the results of capillary electrophoresis of control solution 1 in which purified water was allowed to act on fructosyl triptide (f-VHL).
- FIG. 3 is a diagram showing the relative activities of the enzymes derived from Zingiberaceae plants at each pH.
- FIG. 4 is a diagram showing the stability of each pH of the enzymes derived from the Zingiberaceae plant.
- FIG. 5 is a diagram showing the relative activities of enzymes of the ginger family at various temperatures.
- FIG. 6 is a diagram showing the temperature stability of an enzyme derived from a Zingiberaceae plant.
- FIG. 7 is a view showing the results of measuring fructosyl peptides using the defructosylase derived from the plant of the present invention.
- de-fructosyl refers to a fructosyl amino acid or a fructosyl peptide (ie, a fructosylated amino acid or peptide) in which the fructosyl moiety undergoes acidolysis and the like. To produce unreacted amino acids or peptides.
- the enzyme used in the present invention (referred to as “defructosylase”) is not particularly limited as long as it has a defructosyl action on fructosylated peptides or proteins, but may be of various lengths.
- a plant-derived defructosylase is preferable because it acts on the fructosyl peptide of the present invention.
- an enzyme that produces glucosone and defructosyl peptide or protein from a fructosylated peptide or protein is preferable.
- the plant containing the enzyme of the present invention is not particularly limited, but a plant belonging to the family Zingiberaceae is particularly preferred.
- Plants belonging to the ginger family include ginger, myoga, and konkon.
- the site is not particularly limited as long as it contains a defructosylase, and sites such as leaves, stems, flowers, rhizomes and roots can be used.
- processed foods of these plants for example, juices of extract liquids and freeze-dried preparations can also be used.
- an extract can be obtained by directly crushing the above plant and treating by squeezing or the like.However, crushing is performed after adding an appropriate buffer or the like. , You can also extract.
- it is possible to use an extract but it is more preferable to purify the extract.
- a purification method a known method can be used, and column chromatography such as ammonium sulfate fractionation ion exchange chromatography, hydrophobic chromatography, hydroxyapatite gel, and gel filtration can be appropriately used in combination.
- column chromatography such as ammonium sulfate fractionation ion exchange chromatography, hydrophobic chromatography, hydroxyapatite gel, and gel filtration can be appropriately used in combination.
- a combination of adding a reducing agent or treating with a polymer absorber is used. It is also possible.
- An enzyme derived from a ginger plant which is one of the enzymes of the present invention, has the following physicochemical properties (a) to (g).
- Optimum temperature range 60 ° C or higher.
- this enzyme is considered to be fructosyl peptide oxidase.
- Examples of the method for measuring the activity of the enzyme of the present invention include a method in which fructosyl peptide is used as a substrate, and the amount of any one of non-fructosyl peptide, dalcosone, and hydrogen peroxide generated by the enzyme reaction is measured. .
- a method for measuring the amount of glycosone will be described below.
- fructosyl valyl histidine is used as a substrate unless otherwise specified.
- the enzyme titer is defined as 1 unit (U) of an enzyme that produces 1 ⁇ umol dalcosone per minute when fructosyl valyl histidine is measured as a substrate.
- OmM phosphate buffer (pH 8.0) 1 50 ⁇ L ⁇ 360 ⁇ L of purified water and 1 OmM fructosyl valyl histidine as a substrate were mixed with 6 O ⁇ L, and the enzyme of the present invention was mixed. Add 30 ⁇ L of the solution, and heat at 37 ° C for 5 to 60 minutes.
- the amount of the produced dye is converted to the amount of darcosone by using the diluted series of glucose as a substrate, adding purified water instead of the enzyme solution of the present invention, and producing per minute from the calibration curve created by performing the above operation. Calculate the micromol of darcosone, and use this value as the activity unit in the enzyme solution.
- the enzyme of the present invention acts on all of them. However, it is not necessary to add another protease for shredding or to spend processing time, so that the efficiency of glycoprotein measurement can be improved. In addition to clinical tests, it can be applied to various fields such as medical care.
- the defructosylase of the present invention when defructosylated from the fructosinolepeptide as a substrate, undergoes acidolytic degradation like FAD to generate hydrogen peroxide, dalcosone, etc.
- the fructosylated peptide or fructosylated protein used in the defructosylation method of the present invention is not particularly limited as long as the defructosylase acts, but the ⁇ -chain ⁇ -terminal valine of hemoglobin is fructosyl. Particularly preferred are fructosyl peptides and HbAlc.
- the peptide in which the N-terminal valine is fructosylated is not limited to the number of amino acids, Those whose sequences are represented by SEQ ID NOs: 1 to 5 are particularly preferred.
- the peptide in which the N-terminal valine is fructosylated is prepared by treating a peptide or protein having such a sequence, for example, HbAlc with an appropriate endoprotease or exoprotease or the like. Can be done.
- these proteases include elastase, proteinase, pepsin, alkaline protease, trypsin, proline-specific endoprotease, V8 protease, canoleboxyl peptidase A, carboxypeptidase B, and the like.
- the amount of activity of these proteases for the above preparation is preferably from 0.05 to: 1000 U / mL, particularly preferably from 1 ° to 2000 UZmL.
- the treatment temperature is 20 to 60 ° C, particularly 30 to 50 ° C. preferable.
- the processing time is preferably 3 minutes to 100 hours, particularly 5 minutes to 20 hours.
- the produced defructosyl peptide generated is separated by HPLC or capillary electrophoresis.
- the detection may be performed by identification, or the released amino acid may be detected and measured by reacting an appropriate carboxypeptidase with the defructosyl peptide.
- G1u glutamic acid
- Pro peptide
- T hr threonine
- L eu leucine
- His histidine
- V a palin dehydration Using elementary enzymes
- the generated hydrogen peroxide can be detected and measured using glucose oxidase using a known peroxidase coloring system.
- a defructosylase that generates hydrogen peroxide is used during the defructosyl reaction, the directly generated hydrogen peroxide can be detected and measured using a peroxidase coloring system.
- the peroxidase (POD) color-forming system is not particularly limited, but a method of adding a chromogen and POD to the reaction system, oxidizing the chromogen to generate a color-forming substance, and measuring this is preferable. is there.
- the chromogen include a combination of 4-aminoantipyrine and a phenolic compound, a naphthol compound or an aniline compound, MBTH
- trivalent cobalt ions generated by the reaction of hydrogen peroxide and divalent cobalt ion in the presence of POD are specific to trivalent cobalt ions.
- a method for generating a color-forming chelate compound in combination with a typical indicator, for example, TASBB (2- (2-thiazolylazo) -5-disulfobutylamino benzoic acid trisodium salt), and measuring it can be used. According to this, a measurement sensitivity 5 to 10 times that of the above method can be obtained.
- TPM-PS N, N, ⁇ ,, ⁇ ,, N ", N" monohexa (3-sulfopropyl) -4 , 4,, 4 "-triaminotripheninolemethane (manufactured by Dojin Chemical) can also be used.
- peptides or proteins in which N-terminal palin is fructosylated for example, HbA1c can be quantified with extremely high precision.
- examples of the test sample used for the quantification of HbAlc include whole blood, red blood cells, and the like.
- the ginger rhizome was directly crushed with a juicer, and after standing, solids were removed by centrifugation to obtain a crude extract.
- Ceraito 545 (trade name, manufactured by Nacalai Tesque, Inc.) was added to this crude extract as a filter aid, and the mixture was stirred and filtered by suction using a filter paper. The filtrate was centrifuged again to obtain an extract. An equal amount of cold ethanol was added to the obtained extract to form a precipitate. The obtained precipitate was dissolved in a small amount of 20 mM phosphate buffer ( ⁇ 70), added to a DEAE Toyopearl column (manufactured by Toso Ichisha), and the non-adsorbed fraction was collected. If necessary, ultrafiltration and concentration were performed, and this was used as a crudely purified enzyme.
- reaction solution 1 (f-VHL: BioQuest) 500 ⁇ l; 40 ⁇ L of a uM aqueous solution, 20 ⁇ L of purified water, and 40 ⁇ L of a solution of the crude enzyme derived from the Zingiberaceae plant obtained in Example 1 were added; After mixing, the mixture was reacted at 37 ° C for 16 hours. The reaction solution was subjected to ultrafiltration with a molecular weight of 100,000, and the filtrate was separated (reaction solution 1).
- the reaction solution 1 was applied to a capillary electrophoresis apparatus CAP 1-3200 (manufactured by Otsuka Electronics Co., Ltd.) using an electrophoresis buffer: 150 mM phosphate buffer (pH 2.0) and a voltage of 15 kv. Analysis was performed under the conditions of detection wavelength: 21 O.nm, and the peak position and peak area were measured.
- Control test As a control, purified water was added in place of the crude enzyme solution, and the mixture was reacted under the same conditions to obtain a filtrate (control solution 1). The analysis result of this control solution 1 was compared with the result of the reaction solution 1.
- the fructosyl peptide used in the enzyme reaction and the control test contained a non-fructosyl peptide, and the presence or absence of the enzyme activity was detected by changes in two peaks.
- FIG. 1 shows the results of the reaction solution 1.
- FIG. 2 shows the results of the control solution.
- peaks derived from f-VHL area: 32 mABUXsec
- peaks derived from VHL area: 22 mABUXsec
- the f-VHL peak disappears. It was confirmed that the peak of VHL increased (area: 32 mABUXsec). From these results, it was found that the use of a defructosylation enzyme derived from a ginger plant enables defructosylation from fructosyl peptides.
- the properties of the enzyme derived from the family Zingiberaceae, which is one of the enzymes of the present invention, were as follows.
- the enzyme activity was measured using a fructosyl amino acid (fructosyl valine) solution and a fructosyl peptide solution (at least, SEQ ID NOS: 1 to 5) as substrates.
- fructosyl valine and at least, fructosyl of SEQ ID NOs: 1 to 5 were determined. It was found to act on peptides.
- the activity was measured at a reaction temperature of 0 ° C to 60 ° C.
- Figure 5 shows the results. In the temperature range studied, the activity showed an increasing trend with the rise of the reaction temperature, and no decrease was observed. Therefore, the optimal temperature of the ginger plant-derived enzyme was set to 60 ° C or higher.
- Fig. 6 shows the results. After heat treatment at 50 ° C for 15 minutes, 80% or more of the activity remained, and it was stable up to around 50 ° C.
- fructosyl valyl histidine Since the concentration-dependent increase in absorbance of fructosyl valyl histidine was observed, it was confirmed that dalcosone was produced from the fructosyl peptide by the action of the ginger derived enzyme of the present invention. As a result, it was also found that fructosyl peptide can be measured.
- Example 5 Contains 0.5 mM DA-64 (manufactured by Wako Pure Chemical Industries) at final concentration, 200 u / mL POD, 0.1% sodium azide and ImM fructosylparin or fructosyl peptide (SEQ ID NOS: 1 to 5) To a 50 mM phosphate buffer (pH 8.0), add 0.3 g / mL of the ginger enzyme solution as the final concentration, heat at 50 ° C for 30 minutes, and then adjust the purified water to 700 nm When the absorbance was measured, color development of DA-64 was observed (Table 1), indicating that hydrogen peroxide was generated.
- a 50 mM phosphate buffer pH 8.0
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Abstract
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Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
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US10/531,305 US7329520B2 (en) | 2002-10-23 | 2003-10-23 | Fructosyl peptide oxidase and utilization thereof |
JP2004546460A JP4323429B2 (ja) | 2002-10-23 | 2003-10-23 | 新規なフルクトシルペプチドオキシダーゼとその利用 |
DE60326259T DE60326259D1 (de) | 2002-10-23 | 2003-10-23 | Neue fructosylpeptidoxidase und deren nutzung |
EP03758817A EP1555325B1 (en) | 2002-10-23 | 2003-10-23 | Novel fructosyl peptide oxidase and utilization thereof |
AU2003275613A AU2003275613A1 (en) | 2002-10-23 | 2003-10-23 | Novel fructosyl peptide oxidase and utilization thereof |
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JP2002-308731 | 2002-10-23 | ||
JP2002308731 | 2002-10-23 |
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WO2004038034A1 true WO2004038034A1 (ja) | 2004-05-06 |
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PCT/JP2003/013547 WO2004038033A1 (ja) | 2002-10-23 | 2003-10-23 | 脱フルクトシル化方法 |
PCT/JP2003/013548 WO2004038034A1 (ja) | 2002-10-23 | 2003-10-23 | 新規なフルクトシルペプチドオキシダーゼとその利用 |
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EP (2) | EP1555324B1 (ja) |
JP (2) | JP4323429B2 (ja) |
AT (2) | ATE450619T1 (ja) |
AU (2) | AU2003275613A1 (ja) |
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Cited By (10)
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WO2010041715A1 (ja) | 2008-10-09 | 2010-04-15 | 協和メデックス株式会社 | 新規フルクトシルペプチドオキシダーゼ |
EP2639586A1 (en) | 2012-03-15 | 2013-09-18 | ARKRAY, Inc. | Measurement method using enzymes |
WO2013162035A1 (ja) | 2012-04-27 | 2013-10-31 | キッコーマン株式会社 | フルクトシルヘキサペプチドに作用する改変型アマドリアーゼ |
WO2015005258A1 (ja) | 2013-07-09 | 2015-01-15 | 協和メデックス株式会社 | 糖化ヘキサペプチドオキシダーゼとその利用 |
WO2015005257A1 (ja) | 2013-07-09 | 2015-01-15 | 協和メデックス株式会社 | 糖化ヘモグロビンの測定方法 |
WO2015060429A1 (ja) | 2013-10-25 | 2015-04-30 | キッコーマン株式会社 | ヘモグロビンA1cの測定方法および測定キット |
JPWO2015060431A1 (ja) * | 2013-10-25 | 2017-03-09 | キッコーマン株式会社 | 糖化ペプチドに作用するアマドリアーゼを用いたHbA1c測定法 |
WO2017183717A1 (ja) * | 2016-04-22 | 2017-10-26 | キッコーマン株式会社 | HbA1cデヒドロゲナーゼ |
WO2019045052A1 (ja) | 2017-08-31 | 2019-03-07 | キッコーマン株式会社 | 糖化ヘモグロビンオキシダーゼ改変体及び測定方法 |
US10934530B2 (en) | 2015-04-03 | 2021-03-02 | Kikkoman Corporation | Amadoriase having improved specific activity |
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TW200900065A (en) | 2007-03-07 | 2009-01-01 | Janssen Pharmaceutica Nv | 3-cyano-4-(4-pyridinyloxy-phenyl)-pyridin-2-one derivatives |
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Also Published As
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JPWO2004038033A1 (ja) | 2006-02-23 |
JP4327094B2 (ja) | 2009-09-09 |
DE60330376D1 (de) | 2010-01-14 |
US20070054344A1 (en) | 2007-03-08 |
EP1555325A1 (en) | 2005-07-20 |
AU2003275613A1 (en) | 2004-05-13 |
EP1555325B1 (en) | 2009-02-18 |
US7393549B2 (en) | 2008-07-01 |
WO2004038033A1 (ja) | 2004-05-06 |
EP1555324A1 (en) | 2005-07-20 |
AU2003275612A1 (en) | 2004-05-13 |
EP1555324A4 (en) | 2006-06-07 |
EP1555325A4 (en) | 2006-06-07 |
ATE423216T1 (de) | 2009-03-15 |
DE60326259D1 (de) | 2009-04-02 |
EP1555324B1 (en) | 2009-12-02 |
JPWO2004038034A1 (ja) | 2006-02-23 |
US7329520B2 (en) | 2008-02-12 |
US20060240501A1 (en) | 2006-10-26 |
JP4323429B2 (ja) | 2009-09-02 |
ATE450619T1 (de) | 2009-12-15 |
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