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Literature summary extracted from

  • Hyun, Y.J.; Lee, J.H.; Kim, D.H.
    Cloning, overexpression, and characterization of recombinant heparinase III from Bacteroides stercoris HJ-15 (2010), Appl. Microbiol. Biotechnol., 86, 879-890.
    View publication on PubMed

Cloned(Commentary)

EC Number Cloned (Comment) Organism
4.2.2.8 His-tagged version expressed in Escherichia coli BL21(DE3) Bacteroides stercoris

Protein Variants

EC Number Protein Variants Comment Organism
4.2.2.8 C352A 87% wild-type activity (heparan sulfate), 72% wild-type activity (heparin) Bacteroides stercoris
4.2.2.8 C474A 32% wild-type activity (heparan sulfate), below 10% wild-type activity (heparin) Bacteroides stercoris
4.2.2.8 C577A 98% wild-type activity (heparan sulfate), 72% wild-type activity (heparin) Bacteroides stercoris
4.2.2.8 C624A 24% wild-type activity (heparan sulfate), below 10% wild-type activity (heparin) Bacteroides stercoris

Inhibitors

EC Number Inhibitors Comment Organism Structure
4.2.2.8 Cu2+ 1 mM: 0% activity Bacteroides stercoris
4.2.2.8 Pb2+ 1 mM: 0% activity Bacteroides stercoris
4.2.2.8 Zn2+ 1 mM: 0% activity Bacteroides stercoris

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
4.2.2.8 additional information
-
heparan sulfate 0.08808 mg/ml Bacteroides stercoris
4.2.2.8 additional information
-
heparin 0.42275 mg/ml Bacteroides stercoris

Metals/Ions

EC Number Metals/Ions Comment Organism Structure
4.2.2.8 Ba2+ 1 mM: 109% activity Bacteroides stercoris
4.2.2.8 Ca2+ 1 mM: 110% activity Bacteroides stercoris
4.2.2.8 additional information optimal condition: 350 mM NaCl Bacteroides stercoris

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
4.2.2.8 74930
-
x * 74930, calculated for mature protein Bacteroides stercoris

Organism

EC Number Organism UniProt Comment Textmining
4.2.2.8 Bacteroides stercoris C7EXL6
-
-
4.2.2.8 Bacteroides stercoris HJ-15 C7EXL6
-
-

Purification (Commentary)

EC Number Purification (Comment) Organism
4.2.2.8 immobilized metal ion affinity chromatography Bacteroides stercoris

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
4.2.2.8 additional information
-
no activity with acharan sulfate, chondroitin sulfate A, and chondroitin sulfate C Bacteroides stercoris
4.2.2.8 1.7
-
hyaluronic acid as substrate Bacteroides stercoris
4.2.2.8 21.46
-
heparin as substrate Bacteroides stercoris
4.2.2.8 32.3
-
heparan sulfate (porcine intestine) as substrate Bacteroides stercoris
4.2.2.8 51.81
-
heparan sulfate (bovine kidney) as substrate Bacteroides stercoris

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
4.2.2.8 heparan sulfate
-
Bacteroides stercoris n alpha-deltaUA-glcNAc major product ?
4.2.2.8 heparan sulfate
-
Bacteroides stercoris HJ-15 n alpha-deltaUA-glcNAc major product ?
4.2.2.8 heparin
-
Bacteroides stercoris ?
-
?
4.2.2.8 heparin
-
Bacteroides stercoris HJ-15 ?
-
?
4.2.2.8 hyaluronic acid
-
Bacteroides stercoris ?
-
?
4.2.2.8 hyaluronic acid
-
Bacteroides stercoris HJ-15 ?
-
?

Subunits

EC Number Subunits Comment Organism
4.2.2.8 ? x * 74930, calculated for mature protein Bacteroides stercoris

Synonyms

EC Number Synonyms Comment Organism
4.2.2.8 heparinase III
-
Bacteroides stercoris
4.2.2.8 heparitinase
-
Bacteroides stercoris

Temperature Optimum [°C]

EC Number Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
4.2.2.8 45
-
-
Bacteroides stercoris

Temperature Range [°C]

EC Number Temperature Minimum [°C] Temperature Maximum [°C] Comment Organism
4.2.2.8 42 48 activity above 90% Bacteroides stercoris

Temperature Stability [°C]

EC Number Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
4.2.2.8 additional information
-
about 20% activity after 1 h at 45°C Bacteroides stercoris

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
4.2.2.8 6.6
-
-
Bacteroides stercoris

pH Range

EC Number pH Minimum pH Maximum Comment Organism
4.2.2.8 6 8
-
Bacteroides stercoris

pI Value

EC Number Organism Comment pI Value Maximum pI Value
4.2.2.8 Bacteroides stercoris calculated for mature protein
-
8.65