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Details on Person POR reduces CYP450:Fe3+ to CYP450:Fe2+
Class:Id Reaction:76494
_displayName POR reduces CYP450:Fe3+ to CYP450:Fe2+
_doRelease TRUE
_timestamp 2025-05-30 18:51:09
authored [InstanceEdit:76326] Jassal, B, 2003-08-05 00:00:00
catalystActivity [CatalystActivity:76491] NADPH-hemoprotein reductase activity of POR [endoplasmic reticulum membrane]
catalystActivityReference [CatalystActivityReference:9947132] NADPH-hemoprotein reductase activity of POR [endoplasmic reticulum membrane] NADPH P450 oxidoreductase: structure, function, and pathology of diseases
compartment [Compartment:12045] endoplasmic reticulum membrane [Compartment:70101] cytosol
created [InstanceEdit:76326] Jassal, B, 2003-08-05 00:00:00
crossReference [DatabaseIdentifier:9947123] RHEA:24041
edited [InstanceEdit:76326] Jassal, B, 2003-08-05 00:00:00
goBiologicalProcess [GO_BiologicalProcess:9750490] P450-containing electron transport chain
input [SimpleEntity:29364] NADPH [cytosol] [Complex:8957351] CYP450:Fe3+ [endoplasmic reticulum membrane] [Homo sapiens] [Complex:8957351] CYP450:Fe3+ [endoplasmic reticulum membrane] [Homo sapiens]
internalReviewed [InstanceEdit:9947140] D'Eustachio, Peter, 2025-05-01
literatureReference [LiteratureReference:8847922] Modification of the nucleotide cofactor-binding site of cytochrome P-450 reductase to enhance turnover with NADH in Vivo [LiteratureReference:6806906] Role of NADPH-cytochrome P450 reductase and cytochrome-b5/NADH-b5 reductase in variability of CYP3A activity in human liver microsomes [LiteratureReference:9947125] Mechanisms of Cytochrome P450-Catalyzed Oxidations [LiteratureReference:9947126] Resolution of the cytochrome P-450-containing omega-hydroxylation system of liver microsomes into three components [LiteratureReference:9947128] NADPH P450 oxidoreductase: structure, function, and pathology of diseases [LiteratureReference:6806902] Quantification of cytochrome P450 reductase gene expression in human tissues
modified [InstanceEdit:6806924] Jassal, Bijay, 2015-10-28 [InstanceEdit:8847923] Jassal, Bijay, 2015-12-03 [InstanceEdit:8850391] Jassal, Bijay, 2015-12-21 [InstanceEdit:8851786] Jassal, Bijay, 2016-01-11 [InstanceEdit:8862020] Jassal, Bijay, 2016-02-24 [InstanceEdit:8957353] Jassal, Bijay, 2017-01-25 [InstanceEdit:8957375] Jassal, Bijay, 2017-01-25 [InstanceEdit:9707094] D'Eustachio, Peter, 2020-11-10 [InstanceEdit:9830342] Matthews, Lisa, 2023-03-08 [InstanceEdit:9947129] D'Eustachio, Peter, 2025-05-01 [InstanceEdit:9947147] D'Eustachio, Peter, 2025-05-01 [InstanceEdit:9947210] D'Eustachio, Peter, 2025-05-02 [InstanceEdit:9947452] D'Eustachio, Peter, 2025-05-05 [InstanceEdit:9953268] D'Eustachio, Peter, 2025-05-30
name POR reduces CYP450:Fe3+ to CYP450:Fe2+ 2 oxidized (cytochrome P450) + NADPH => 2 reduced (cytochrome P450) + NADP(+) + H(+)
output [SimpleEntity:29366] NADP+ [cytosol] [Complex:8957354] CYP450:Fe2+ [endoplasmic reticulum membrane] [Homo sapiens] [Complex:8957354] CYP450:Fe2+ [endoplasmic reticulum membrane] [Homo sapiens] [SimpleEntity:70106] H+ [cytosol]
precedingEvent
previousReviewStatus [ReviewStatus:9821385] four stars
releaseDate 2016-03-23
releaseStatus NEW
reviewed [InstanceEdit:8851787] D'Eustachio, Peter, 2016-01-11 [InstanceEdit:9953269] Hill, David P, 2025-05-30
reviewStatus [ReviewStatus:9821382] five stars
species [Species:48887] Homo sapiens
stableIdentifier [StableIdentifier:8860961] R-HSA-76494.5
structureModified [InstanceEdit:9947129] D'Eustachio, Peter, 2025-05-01
summation [Summation:6806918] NADPH-cytochrome P450 reductase (POR) was first identified a...
(hasEvent) [Pathway:211897] Cytochrome P450 - arranged by substrate type [Homo sapiens] [Pathway:8941514] Orphan 6 events [Homo sapiens]
(precedingEvent) [Reaction:6807053] SC5D desaturates LTHSOL to 7-dehydroCHOL [Homo sapiens] [Reaction:9947148] CYP51A1 14-demethylates 24,25-dhLAN to 4,4-diMeCholesta-8,14-dien-3-ol [Homo sapiens] [Reaction:9947203] MSMO1 oxidizes 4,4-diMe-5-cholest-8-en-3-ol to 4a-carboxy-4b-me-5a-cholest-8-en-3b-ol [Homo sapiens] [Reaction:9947207] MSMO1 oxidizes 4a-me-5a-cholest-8-en-3b-ol to 4a-carboxy-5a-cholest-8-ene-3b-ol [Homo sapiens]
(updatedInstance) [_UpdateTracker:9781786] Update Tracker - [Reaction:76494] POR reduces CYP450:Fe3+ to CYP450:Fe2+ - v60:[add_removeInput, add_removeOutput, modifyText] [_UpdateTracker:9953670] Update Tracker - [Reaction:76494] POR reduces CYP450:Fe3+ to CYP450:Fe2+ - v93:[add_removeLiteratureReference, modifyText, removeOutput]
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