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Literature summary for 3.1.6.13 extracted from

  • Yutaka, T.; Fluharty, A.L.; Stevens, R.L.; Kihara, H.
    Purification and some properties of human liver iduronate sulfatase (1982), J. Biochem., 91, 433-441.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
Cd2+
-
Homo sapiens
citrate
-
Homo sapiens
Cl- at high concentration Homo sapiens
Cu2+
-
Homo sapiens
Fe3+
-
Homo sapiens
Hg2+
-
Homo sapiens
NaCl inhibits at 10-100 mM Homo sapiens
nitrocatechol sulfate competitive inhibitor Homo sapiens
Phenolphthalein disulfate
-
Homo sapiens
Zn2+
-
Homo sapiens

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.01 0.02 sulfoiduronyl sulfoanhydromannitol
-
Homo sapiens

Localization

Localization Comment Organism GeneOntology No. Textmining
lysosome
-
Homo sapiens 5764
-

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
dermatan sulfate + H2O Homo sapiens
-
dermatan + sulfate
-
?
heparan sulfate + H2O Homo sapiens
-
dermatan + sulfate
-
?
heparin + H2O Homo sapiens
-
desulfated heparin + sulfate
-
?

Organism

Organism UniProt Comment Textmining
Homo sapiens
-
several molecular species
-

Purification (Commentary)

Purification (Comment) Organism
partial Homo sapiens

Source Tissue

Source Tissue Comment Organism Textmining
liver
-
Homo sapiens
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
0.00083
-
-
Homo sapiens

Storage Stability

Storage Stability Organism
frozen Homo sapiens

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
dermatan sulfate + H2O
-
Homo sapiens dermatan + sulfate
-
?
heparan sulfate + H2O
-
Homo sapiens dermatan + sulfate
-
?
heparin + H2O
-
Homo sapiens desulfated heparin + sulfate
-
?
O-(alpha-L-idopyranosyluronic acid 2-sulfate)-(1-4)-2,5-anhydro-D-mannitol 6-sulfate + H2O
-
Homo sapiens O-(alpha-L-idopyranosyluronic acid)-(1-4)-2,5-anhydro-D-mannitol 6-sulfate + sulfate
-
?

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
37
-
assay at Homo sapiens

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
50
-
pH 4.0, 0.1 M sodium acetate, 1% bovine serum albumin, 2 h, 50% inactivation Homo sapiens

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
4
-
precipitous decrease in activity at higher pH Homo sapiens