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Literature summary for 3.4.24.27 extracted from

  • Yang, J.; Li, J.; Mai, Z.; Tian, X.; Zhang, S.
    Purification, characterization, and gene cloning of a cold-adapted thermolysin-like protease from Halobacillus sp. SCSIO 20089 (2013), J. Biosci. Bioeng., 115, 628-632.
    View publication on PubMed

Cloned(Commentary)

Cloned (Comment) Organism
gene HSPA, DNA and amino acid sequence determination and analysis, sequence comparison Halobacillus sp.

Inhibitors

Inhibitors Comment Organism Structure
1,10-phenanthroline 85% inhibition at 1 mM, 93% at 5 mM Halobacillus sp.
Cu2+ 39% inhibition at 1 mM, 52% at 5 mM Halobacillus sp.
EDTA 77% inhibition at 1 mM, 86% at 5 mM Halobacillus sp.
EGTA 59% inhibition at 1 mM, 98% at 5 mM Halobacillus sp.
additional information no inhibition by PMSF Halobacillus sp.
Ni2+ 39% inhibition at 1 mM, 87% at 5 mM Halobacillus sp.
Zn2+ zinc metalloprotease, no effect on activity by exogenous Zn2+ at 1 mM, inhibitory by 69% at 5 mM Halobacillus sp.

Localization

Localization Comment Organism GeneOntology No. Textmining
extracellular
-
Halobacillus sp.
-
-

Metals/Ions

Metals/Ions Comment Organism Structure
Ba2+ activates 8% at 1 mM, 15% at 5 mM Halobacillus sp.
Ca2+ activates 36% at 1 mM, 48% at 5 mM Halobacillus sp.
Mg2+ activates 12% at 1 mM, 37% at 5 mM Halobacillus sp.
Mn2+ activates 12% at 1 mM, 25% at 5 mM Halobacillus sp.
Zn2+ zinc metalloprotease, no efect on activity by exogenous Zn2+ at 1 mM, inhibitory at 5 mM Halobacillus sp.

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
35000
-
x * 35000, SDS-PAGE Halobacillus sp.

Organism

Organism UniProt Comment Textmining
Halobacillus sp. K0EFJ2 isolated from a marine sediment of South China Sea, gene HSPA
-
Halobacillus sp. SCSIO 20089 K0EFJ2 isolated from a marine sediment of South China Sea, gene HSPA
-

Purification (Commentary)

Purification (Comment) Organism
native enzyme to homogeneity from the culture supernatant by ammonium sulfate fractionation, anion exchange chromatography, gel filtration Halobacillus sp.

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
373
-
purified native enzyme, pH 8.0, 30°C, substrate feather Halobacillus sp.
489
-
purified native enzyme, pH 8.0, 30°C, substrate elastin Halobacillus sp.
697
-
purified native enzyme, pH 8.0, 30°C, substrate hemoglobin Halobacillus sp.
855
-
purified native enzyme, pH 8.0, 30°C, substrate collagen Halobacillus sp.
1468
-
purified native enzyme, pH 8.0, 30°C, substrate bovine serum albumin Halobacillus sp.
2899
-
purified native enzyme, pH 8.0, 30°C, substrate gelatin Halobacillus sp.
3077
-
purified native enzyme, pH 8.0, 30°C, substrate casein Halobacillus sp.

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
Bovine serum albumin + H2O
-
Halobacillus sp. ?
-
?
Bovine serum albumin + H2O
-
Halobacillus sp. SCSIO 20089 ?
-
?
casein + H2O
-
Halobacillus sp. L-tyrosine + ?
-
?
Collagen + H2O
-
Halobacillus sp. ?
-
?
Collagen + H2O
-
Halobacillus sp. SCSIO 20089 ?
-
?
Elastin + H2O
-
Halobacillus sp. ?
-
?
feather + H2O
-
Halobacillus sp. ?
-
?
Gelatin + H2O
-
Halobacillus sp. ?
-
?
Gelatin + H2O
-
Halobacillus sp. SCSIO 20089 ?
-
?
Hemoglobin + H2O
-
Halobacillus sp. ?
-
?
Hemoglobin + H2O
-
Halobacillus sp. SCSIO 20089 ?
-
?
additional information the enzyme has low affinity for alkaline or acid P1' residues, poor activity with N-[3-(2-furyl)acryloyl]-Glu-Glu-OH , no activity with N-[3-(2-furyl)acryloyl]-Ala-Arg-OH Halobacillus sp. ?
-
?
additional information the enzyme has low affinity for alkaline or acid P1' residues, poor activity with N-[3-(2-furyl)acryloyl]-Glu-Glu-OH , no activity with N-[3-(2-furyl)acryloyl]-Ala-Arg-OH Halobacillus sp. SCSIO 20089 ?
-
?
N-[3-(2-furyl)acryloyl]-Gly-Phe-NH2 + H2O
-
Halobacillus sp. ?
-
?

Subunits

Subunits Comment Organism
? x * 35000, SDS-PAGE Halobacillus sp.

Synonyms

Synonyms Comment Organism
hspA
-
Halobacillus sp.
thermolysin-like protease
-
Halobacillus sp.

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
30
-
-
Halobacillus sp.

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
-
-
cold-adapted thermolysin-like protease, 20% activity remains Halobacillus sp.

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
8
-
-
Halobacillus sp.

pH Range

pH Minimum pH Maximum Comment Organism
4 11 active at broad pH intervals Halobacillus sp.