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1.15.1.1: superoxide dismutase

This is an abbreviated version!
For detailed information about superoxide dismutase, go to the full flat file.

Word Map on EC 1.15.1.1

Reaction

2 superoxide + 2 H+ =

O2
+
H2O2

Synonyms

AhSOD, alr2938, AmSOD, APE0743, ApMn-SOD1, ApMn-SOD2, ASAC_0498, Ca-Cu,Zn SOD, cambialistic superoxide dismutase, Cg-EcSOD, chloroplastic Fe-SOD, Cj-Cu, Zn SOD, cMn-SOD, cMnSOD, cold-active superoxide dismutase, copper, zinc superoxide dismutase, copper-zinc superoxide dismutase, copper/zinc superoxide dismutase, copper/zinc-superoxide dismutase, CpSOD, CSD1, CSD2, CtSOD, Cu, Zn SOD, Cu, Zn superoxide dismutase, Cu, Zn-superoxide dismutase, Cu, ZnSOD, Cu,Zn superoxide dismutase, Cu,Zn-SOD, Cu,Zn-superoxide dismutase, Cu,ZnSOD, Cu-Zn SOD, Cu-Zn superoxide dismutase, Cu-Zn-SOD, Cu/Zn SOD, Cu/Zn superoxide dismutase, Cu/Zn superoxide dismutase 1, Cu/Zn-SOD, Cu/Zn-SODI, Cu/Zn-SODII, Cu/Zn-superoxide dismutase, Cu/ZnSOD, cuprein, CuZn superoxide dismutase, CuZn superoxide dismutase 1, CuZn-SOD, CuZn-superoxide dismutase, CuZnSOD, cytMnSOD, cytocuprein, cytoplasmic manganese SOD, cytosolic Cu/Zn superoxide dismutase, cytosolic Cu/Zn-SOD, cytosolic manganese superoxide dismutase, DaSOD, dhsod-1, dismutase, superoxide, EC-SOD, ecCuZnSOD, ECSOD, ElFe-SOD, ElSOD, erythrocuprein, erythrocyte superoxide dismutase, eSOD, extracellular copper-zinc superoxide dismutase, extracellular CuZnSOD, extracellular SOD, extracellular superoxide dismutase, Fe-SOD, Fe-SODe, Fe-SOD_ASAC, Fe-superoxide dismutase, Fe-type SOD, Fe/Mn-SOD, Fe/Mn-type SOD, Fe/MnSOD, ferrisuperoxide dismutase, FeSOD, GTNG_2884, hEC-SOD, hemocuprein, hepatocuprein, high isoelectric point superoxide dismutase, intracellular Cu-Zn superoxide dismutase, iron SOD, iron SOD type, iron superoxide dismutase, iron-containing superoxide dismutase, iron-dependent superoxide dismutase, iron-superoxide dismutase, KmSod1p, LSOD, manganese superoxide dismutase, manganese-containing SOD, manganese-containing superoxide dismutase, MgMnSOD1, MgMnSOD2, mitMn-SOD, mitochondrial manganese superoxide dismutase, mMnSOD, Mn-containing superoxide dismutase, Mn-SOD, Mn-type SOD, Mn/Fe superoxide dismutase, MnSOD, MnSOD-2, MnSOD-3, MnSOD1, MnSOD47, More, mtMnSOD, mtSOD, nectarin I, neelaredoxin, Nlr, Of-cCu/ZnSOD, PASOD, perMn-SOD, pfSOD, PschSOD, PsSOD, PthipI-SODC, PthipI-SODC1, PthipI-SODC2, RmFeSOD, RsrSOD, SaCSD1, SaFe-SOD, sdB, SOD, SOD 1, SOD I, SOD-1, SOD-2, SOD-3, SOD-4, SOD1, SOD2, SOD3, SODA, SodB, SODB1, SODB2, SodC, SODF, SODI, SODII, SODIII, SODIV, SODS, SSO0316, superoxide dismutase, superoxide dismutase 1, superoxide dismutase I, superoxide dismutase II, superoxide dismutase [Cu-Zn]

ECTree

     1 Oxidoreductases
         1.15 Acting on superoxide as acceptor
             1.15.1 Acting on superoxide as acceptor (only sub-subclass identified to date)
                1.15.1.1 superoxide dismutase

Temperature Stability

Temperature Stability on EC 1.15.1.1 - superoxide dismutase

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TEMPERATURE STABILITY
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
0 - 50
-
purified native enzyme, stable for 120 min
10 - 50
purified recombinant enzyme, 10 min, 83% activity within this range remaining
107
the denaturation temperature of the enzyme is 107.3°C
107.3
denaturing temperature
15 - 90
-
temperature stability profile, overview
20 - 40
recombinant enzyme, 1 h, about 90% activity remaining, completely stable for 45 min
20 - 90
secondary structure of SOD_ASAC is stable within this temperature range
22 - 50
-
purified Cu,Zn-SOD, completely stable
25
purified recombinant enzyme, 120 min, completely stable
25 - 45
-
stable for 90 min, unstable above
25 - 75
purified recombinant His-tagged enzyme, no significant change in enzyme activity at 25-45°C for up to 1 h, at 75°C, 60% of enzyme activity is retained after 1 h of treatment, suggesting that the SaCSD1 is relatively thermostable
25 - 90
-
the recombinant enzyme retains more than 80% activity between 10°C and 60°C, but loses activity rapidly, which is reduced to 54% and 40% at 70°C and 80°C, respectively, and it is almost inactive at 90°C
30 - 37
purified recombinant His-tagged enzyme, 60 min, stable
30 - 50
purified enzyme mutants H29A and H171A, 30 min, stable
30 - 60
about 80% activity remaining after 60 min
35
-
pH 7.0, stable below, inactivation above
4 - 50
purified enzyme, 60 min, completely stable
4 - 70
the recombinant purified enzyme is fairly stable at 4°C and 37°C, but is rapidly inactivated at 50°C and 70°C
40 - 60
-
10 min, stable
40 - 90
over 50% activity within this range, most stable at 70°C, profile overview
44.5
purified recombinant His-tagged enzyme, 60 min, loss of 50% activity
5 - 50
-
purified isozyme SODI, stable
50 - 60
50 - 70
-
purified isozyme SODI, inactivation, thermal inactivation of wheat seedling MnSOD follows first-order reaction kinetics, and the temperature dependence of rate constants is in agreement with the Arrhenius equation
57
purified recombinant enzyme, loss of over 50% activity
60 - 70
62
t1/2, purified recombinant His-tagged enzyme, 20-60 min
70 - 110
-
recombinant N-terminal domain of the enzyme SOD obtained by in vitro reconstitution (Mn-rec ntdSODAp) exhibits improved optimum temperature at 70°C and dramatically enhanced thermostability especially at 110°C with enhanced pH stability from pH 4 to pH 10
70 - 80
70.45
midpoint of thermal transition (Tm)
71 - 73
-
half-inactivation occurring after 10 min exposure at 71-73°C, depending on the bound metal
75.8
-
melting temperature of holoenzyme
80 - 90
-
purified recombinant enzyme, 60 min, stable
additional information