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Superoxide dismutase, its immobilized form, and their production and use

Assignee: Takeda Pharmaceutical Co Ltd
•
Filing: 1984-10-01
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Granted: 1986-01-07
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Expires: 2004-10-01
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Abstract

Abstract A novel superoxide dismutase is produced by cultivating a microorganism belonging to the genus Serratia. The superoxide dismutase is useful as an antiinflammatory agent. An immobilized superoxide dismutase has properties of decreased antigenicity and increased antiinflammatory activity.

Inventors

  • 👤 Kouichi Miyata
  • 👤 Kazutaka Maejima
  • 👤 Katsumi Tomoda

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 14:31
CPC Classifications
C; C12; C12N; C12N9/00; C12N9/0004; C12N9/0089; A; A61; A61K; A61K38/00; A61K38/16; A61K38/43; A61K38/44; A61K38/446; C12N11/00; C12N11/02; C12N11/10; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/822; Y10S435/88; Y10S435/881

Claims Analysis

Total Claims: 16
Claim 1
Independent Claim 166 words
Superoxide dismutase having the following properties: (a) Activity: to dismutate a superoxide ion into a hydrogen peroxide molecule and an oxygen molecule; (b) Substrate specificity: to act on superoxide ion; (c) Optimum pH range: about 7 to 8; (e) Stable pH range: about 6 to 11; (e) Optimum functional temperature range: about 20° to 45° C.; (f) Thermostability: stable at 37° C. for 60 minutes; Inactivated about 50% at 50°-60° C. in 60 minutes; Inactivated about 100% at 80° C. in 5 minutes; (g) Molecular weight: about 4.8×10 4 (by gel filtration method); (h) Elemental analysis: C. 48.90±2.0%, H. 7.05±2.0%, N. 14.80±2.0%, (i) Absorptions in the visible region of the spectrum; 470-475 nm (max.), 375-380 nm (min.), about 610 nm (shoulder); (j) Molar extinction coefficient: about 1.08×10 5 M -1 .cm -1 at 280 nm; (k) Amino acid analysis: ______________________________________ Amino acid Number of residues ______________________________________ Glycine 23.5 Leucine 28.3 ______________________________________ wherein the values denote the number of amino acid residues per molecule of the enzyme.
Claim 2
Dependent Claim 166 words
Superoxide dismutase having the following properties: (a) Activity: to dismutate a superoxide ion into a hydrogen peroxide molecule and an oxygen molecule; (b) Substrate specificity: to act on superoxide ion; (c) Optimum pH range: about 7 to 8; (e) Stable pH range: about 6 to 11; (e) Optimum functional temperature range: about 20° to 45° C.; (f) Thermostability: stable at 37° C. for 60 minutes; Inactivated about 50% at 50°-60° C. in 60 minutes; Inactivated about 100% at 80° C. in 5 minutes; (g) Molecular weight: about 4.8×10 4 (by gel filtration method); (h) Elemental analysis: C. 48.90±2.0%, H. 7.05±2.0%, N. 14.80±2.0%, (i) Absorptions in the visible region of the spectrum; 470-475 nm (max.), 375-380 nm (min.), about 610 nm (shoulder); (j) Molar extinction coefficient: about 1.08×10 5 M -1 .cm -1 at 280 nm; (k) Amino acid analysis: ______________________________________ Amino acid Number of residues ______________________________________ Glycine 23.5 Leucine 28.3 ______________________________________ wherein the values denote the number of amino acid residues per molecule of the enzyme.
Claim 3
Dependent Claim 190 words
An antiinflammatory agent which contains an effective amount of superoxide dismutase having the following properties: (a) Activity: to dismutate a superoxide ion into a hydrogen peroxide molecule and an oxygen molecule; (b) Substrate specificity: to act on superoxide ion; (c) Optimum pH range: about 7 to 8; (d) Stable pH range: about 6 to 11; (e) Optimum functional temperature range: about 20° to 45° C.; (f) Thermostability: Stable at 37° C. for 60 mintues; Inactivated about 50% at 50°-60° C. in 60 minutes; Inactivated about 100% at 80° C. in 5 minutes; (g) Molecular weight: about 4.8×10 4 (by gel filtration method); (h) Elemental analysis: C. 48.90±2.0%, H. 7.05±2.0%, N. 14.8±2.0%, (i) Absorptions in the visible region of the spectrum: 470-475 nm (max.), 375-380 nm (min.), about 610 nm (shoulder); (j) Molar extinction coefficient: approx. 1.08×10 5 M -1 . cm -1 at 280 nm; (k) Amino acid analysis: ______________________________________ Amino acid Number of residues ______________________________________ Glycine 23.5 Leucine 28.3 ______________________________________ wherein the values denote the number of amino acid residues per molecule of the enzyme, as an active ingredient in association with a pharmaceutically acceptable carrier or excipient therefor.
Claim 4
Dependent Claim 190 words
An antiinflammatory agent which contains an effective amount of superoxide dismutase having the following properties: (a) Activity: to dismutate a superoxide ion into a hydrogen peroxide molecule and an oxygen molecule; (b) Substrate specificity: to act on superoxide ion; (c) Optimum pH range: about 7 to 8; (d) Stable pH range: about 6 to 11; (e) Optimum functional temperature range: about 20° to 45° C.; (f) Thermostability: Stable at 37° C. for 60 mintues; Inactivated about 50% at 50°-60° C. in 60 minutes; Inactivated about 100% at 80° C. in 5 minutes; (g) Molecular weight: about 4.8×10 4 (by gel filtration method); (h) Elemental analysis: C. 48.90±2.0%, H. 7.05±2.0%, N. 14.8±2.0%, (i) Absorptions in the visible region of the spectrum: 470-475 nm (max.), 375-380 nm (min.), about 610 nm (shoulder); (j) Molar extinction coefficient: approx. 1.08×10 5 M -1 . cm -1 at 280 nm; (k) Amino acid analysis: ______________________________________ Amino acid Number of residues ______________________________________ Glycine 23.5 Leucine 28.3 ______________________________________ wherein the values denote the number of amino acid residues per molecule of the enzyme, as an active ingredient in association with a pharmaceutically acceptable carrier or excipient therefor.
Claim 5
Dependent Claim 65 words
An immoblized superoxide dismutase which is produced by reacting superoxide dismutase having the following properties: (a) Activity: to dismutate a superoxide ion into a hydrogen perioxide molecule and an oxygen molecule; (b) Substrate specificity: to act on superioxide ion; (c) Optimum pH range: about 7 to 8; (d) Stable pH range: about 6 to 11; (e) Optimum functional temperature range: about 20° to 45° C.;
Claim 6
Dependent Claim 65 words
An immoblized superoxide dismutase which is produced by reacting superoxide dismutase having the following properties: (a) Activity: to dismutate a superoxide ion into a hydrogen perioxide molecule and an oxygen molecule; (b) Substrate specificity: to act on superioxide ion; (c) Optimum pH range: about 7 to 8; (d) Stable pH range: about 6 to 11; (e) Optimum functional temperature range: about 20° to 45° C.;
Claim 7
Dependent Claim 114 words
(f) Thermostability: stable at 37° C. for 60 minutes; Inactivated about 50% at 50°-60° C. in 60 minutes; Inactivated about 100° at 80° C. in 5 minutes; (g) Molecular weight: about 4.8×10 4 (by gel filtration method); (h) Elemental analysis: C. 48.90±2.08%, H. 7.05±2.08%, N. 14.80±2.08%, (i) Absorptions in the visible region of the spectrum: 470-475 nm (max.), 375-390 nm (min.), about 610 nm (shoulder); (j) Molar extinction coefficient: about 1.08×10 5 M -1 . cm -1 at 280 nm; (k) Amino acid analysis: ______________________________________ Amino acid Number of residues ______________________________________ Glycine 23.5 Leucine 28.3 ______________________________________ the values denote the number of amino acid residues per molecule of the enzyme, with a water-soluble carrier.
Claim 8
Dependent Claim 114 words
(f) Thermostability: stable at 37° C. for 60 minutes; Inactivated about 50% at 50°-60° C. in 60 minutes; Inactivated about 100° at 80° C. in 5 minutes; (g) Molecular weight: about 4.8×10 4 (by gel filtration method); (h) Elemental analysis: C. 48.90±2.08%, H. 7.05±2.08%, N. 14.80±2.08%, (i) Absorptions in the visible region of the spectrum: 470-475 nm (max.), 375-390 nm (min.), about 610 nm (shoulder); (j) Molar extinction coefficient: about 1.08×10 5 M -1 . cm -1 at 280 nm; (k) Amino acid analysis: ______________________________________ Amino acid Number of residues ______________________________________ Glycine 23.5 Leucine 28.3 ______________________________________ the values denote the number of amino acid residues per molecule of the enzyme, with a water-soluble carrier.
Claim 9
Dependent Claim 15 words
An immobilized superoxide dismutase according to claim 3, wherein the water-soluble carrier is water-soluble polysaccharide.
Claim 10
Dependent Claim 16 words
An immobilized superoxide dismutase according to claim 4, wherein the water-soluble carrier is dextran or Ficoll.
Claim 11
Dependent Claim 203 words
An antiinflammatory agent which contains an effective amount of an immbolized superoxide dismutase which is produced by reacting superoxide dismutase having the following properties: (a) Activity: to dismutate a superoxide ion into a hydrogen peroxide molecule and an oxygen molecule; (b) Substrate specificity: to act on superoxide ion; (c) Optimum pH range: about 7 to 8; (d) Stable pH range: about 6 to 11; (e) Optimum functional temperature range: about 20° to 45° C.; (f) Thermostability: Stable at 37° C. for 60 minutes; Inactivated about 50% at 50°-60° C. in 60 minutes; Inactivated about 100% at 80° C. in 5 minutes; (g) Molecular weight about 4.8×10 4 (by gel filtration method); (h) Elemental analysis: C. 48.90±2.0%, H. 7.05±2.0%, N. 14.80±2.0%, (i) Absorptions in the visible region of the spectrum: 470-475 nm (max.), 375-380 nm (min.), about 610 nm (shoulder); (j) Molar extinction coefficient: approx. 1.08×10 5 M -1 . cm -1 at 280 nm; (k) Amino acid analysis: ______________________________________ Amino acid Number of residues ______________________________________ Glycine 23.5 Leucine 28.3 ______________________________________ wherein the values denote the number of amino acid residues per molecule of the enzyme, with a water-soluble carrier, as an active ingredient in association with a pharmaceutically acceptable carrier or excipient therefor.
Claim 12
Dependent Claim 203 words
An antiinflammatory agent which contains an effective amount of an immbolized superoxide dismutase which is produced by reacting superoxide dismutase having the following properties: (a) Activity: to dismutate a superoxide ion into a hydrogen peroxide molecule and an oxygen molecule; (b) Substrate specificity: to act on superoxide ion; (c) Optimum pH range: about 7 to 8; (d) Stable pH range: about 6 to 11; (e) Optimum functional temperature range: about 20° to 45° C.; (f) Thermostability: Stable at 37° C. for 60 minutes; Inactivated about 50% at 50°-60° C. in 60 minutes; Inactivated about 100% at 80° C. in 5 minutes; (g) Molecular weight about 4.8×10 4 (by gel filtration method); (h) Elemental analysis: C. 48.90±2.0%, H. 7.05±2.0%, N. 14.80±2.0%, (i) Absorptions in the visible region of the spectrum: 470-475 nm (max.), 375-380 nm (min.), about 610 nm (shoulder); (j) Molar extinction coefficient: approx. 1.08×10 5 M -1 . cm -1 at 280 nm; (k) Amino acid analysis: ______________________________________ Amino acid Number of residues ______________________________________ Glycine 23.5 Leucine 28.3 ______________________________________ wherein the values denote the number of amino acid residues per molecule of the enzyme, with a water-soluble carrier, as an active ingredient in association with a pharmaceutically acceptable carrier or excipient therefor.
Claim 13
Dependent Claim 15 words
An antiinflammatory agent according to claim 6, wherein the water-soluble carrier is a water-soluble polysaccharide.
Claim 14
Dependent Claim 15 words
An antiinflammatory agent according to claim 7, wherein the water-soluble carrier is dextran or Ficoll.
Claim 15
Independent Claim 41 words
A method of producing superoxide dismutase characterized by cultivating Serratia marcescens ATCC 21074 in a culture medium to thereby cause the microorganism to elaborate and accumulate superoxide dismutase in said medium and harvesting said superoxide dismutase from the resulting culture broth.
Claim 16
Independent Claim 41 words
A method of producing superoxide dismutase characterized by cultivating Serratia marcescens ATCC 21074 in a culture medium to thereby cause the microorganism to elaborate and accumulate superoxide dismutase in said medium and harvesting said superoxide dismutase from the resulting culture broth.

References Cited (Backward Citations)

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Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1989-01-06 1989-07-08 1990-01-07 $2000.00 Window Closed / Lapsed
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