CatLogenzyme kinetics catalog

EC 1.8.5.8: eukaryotic sulfide quinone oxidoreductase

OxidoreductasesOpen in Browse

CatLog read 23 records for EC 1.8.5.8 from 3 papers, for 1 organism. Names in these papers: sulfide quinone oxidoreductase (SQR), sulfide:quinone oxidoreductase (SQOR).

Read from the paper by an AI model and checked against the paper by a second, separate AI run; code converted the units.

CatLog also holds 4 records for EC 1.8.5.8 that are not yet re-read: from its earlier version, built from the enzyme databases and partly checked against the papers. All records for EC 1.8.5.8 in Browse.

Papers

PaperOrganismsRecords
Organization of the human mitochondrial hydrogen sulfide oxidation pathwayHomo sapiens8
H2S oxidation by nanodisc-embedded human sulfide quinone oxidoreductaseHomo sapiens8
Human sulfide:quinone oxidoreductase catalyzes the first step in hydrogen sulfide metabolism and produces a sulfane sulfur metaboliteHomo sapiens7

Records

EnzymeOrganismSubstratekcat (s⁻¹)Km (mM)kcat/Km (mM⁻¹ s⁻¹)ConditionsPaper
sulfide quinone oxidoreductase (SQR)Homo sapienscoenzyme Q1nanodisc-embedded (MSP1E3D1/POPC nanodiscs, ndSQR)—0.005—pH 7.4, 25 °CPMID 28512131Open
sulfide quinone oxidoreductase (SQR)Homo sapienscoenzyme Q10.03% DHPC; detergent-solubilized (DHPC)—0.024—pH 7.4, 25 °CPMID 28512131Open
sulfide quinone oxidoreductase (SQR)Homo sapiensglutathionenanodisc-embedded (MSP1E3D1/POPC nanodiscs, ndSQR)128816pH 7.4, 25 °CPMID 28512131Open
sulfide quinone oxidoreductase (SQR)Homo sapiensglutathione0.03% DHPC; detergent-solubilized (DHPC)89811pH 7.4, 25 °CPMID 28512131Open
sulfide quinone oxidoreductase (SQR)Homo sapienshydrogen sulfide (sodium sulfide)cosubstrate GSH; CoQ1—0.011.1 × 10⁴pH 7.4, 25 °CPMID 25225291Open
sulfide quinone oxidoreductase (SQR)Homo sapienshydrogen sulfide (sodium sulfide)cosubstrate cysteine; CoQ1—0.0051.9 × 10⁴pH 7.4, 25 °CPMID 25225291Open
sulfide quinone oxidoreductase (SQR)Homo sapienshydrogen sulfide (sodium sulfide)cosubstrate homocysteine; CoQ1—0.0071.3 × 10⁴pH 7.4, 25 °CPMID 25225291Open
sulfide quinone oxidoreductase (SQR)Homo sapienshydrogen sulfide (sodium sulfide)cosubstrate CoQ1740.32231pH 7.4, 25 °CPMID 25225291Open
sulfide quinone oxidoreductase (SQR)Homo sapiensL-cysteine94234.1pH 7.4, 25 °CPMID 25225291Open
sulfide quinone oxidoreductase (SQR)Homo sapiensL-homocysteine92224.2pH 7.4, 25 °CPMID 25225291Open
sulfide quinone oxidoreductase (SQR)Homo sapiensreduced glutathione113225.1pH 7.4, 25 °CPMID 25225291Open
sulfide quinone oxidoreductase (SQR)Homo sapienssulfidenanodisc-embedded (MSP1E3D1/POPC nanodiscs, ndSQR)840.23370pH 7.4, 25 °CPMID 28512131Open
sulfide quinone oxidoreductase (SQR)Homo sapienssulfide0.03% DHPC; detergent-solubilized (DHPC)620.35180pH 7.4, 25 °CPMID 28512131Open
sulfide quinone oxidoreductase (SQR)Homo sapienssulfitenanodisc-embedded (MSP1E3D1/POPC nanodiscs, ndSQR)6500.262.5 × 10³pH 7.4, 25 °CPMID 28512131Open
sulfide quinone oxidoreductase (SQR)Homo sapienssulfite0.03% DHPC; detergent-solubilized (DHPC)3820.192 × 10³pH 7.4, 25 °CPMID 28512131Open
sulfide quinone oxidoreductase (SQR)Homo sapienssulfite (sodium sulfite)3730.221.7 × 10³pH 7.4, 25 °CPMID 25225291Open
sulfide:quinone oxidoreductase (SQOR)Homo sapienscyanide3300.65510pH 8.5, 25 °CPMID 22852582Open
sulfide:quinone oxidoreductase (SQOR)Homo sapienshydrogen sulfide3790.0132.9 × 10⁴pH 7.5, 25 °CPMID 22852582Open
sulfide:quinone oxidoreductase (SQOR)Homo sapienshydrogen sulfide3430.01093.1 × 10⁴pH 8.5, 25 °CPMID 22852582Open
sulfide:quinone oxidoreductase (SQOR)Homo sapienshydrogen sulfide650.315210pH 7, 25 °CPMID 22852582Open
sulfide:quinone oxidoreductase (SQOR)Homo sapienssulfite3680.1742.1 × 10³pH 7.5, 25 °CPMID 22852582Open
sulfide:quinone oxidoreductase (SQOR)Homo sapiensubiquinone-13640.0191.9 × 10⁴pH 7.5, 25 °CPMID 22852582Open
sulfide:quinone oxidoreductase (SQOR)Homo sapiensubiquinone-13600.0142.7 × 10⁴pH 8.5, 25 °CPMID 22852582Open