Biological process: heme binding^{(2011, 2019, 2020, 2023)} metal ion binding⁽²⁰²³⁾ oxidoreductase activity^{(2019, 2023)} nitrite reductase (NO-forming) activity^{(2020, 2023)} nitrate reductase (NADH) activity⁽²⁰²³⁾ enzyme binding^{(2010, 2023)} electron transfer activity^{(2005, 2006, 2007, 2009, 2014)} enzyme activator activity^{(2006, 2023)} 2 iron, 2 sulfur cluster binding⁽²⁰²³⁾ zinc ion binding⁽²⁰²³⁾
± 7 ubiquinol-cytochrome-c reductase activity²⁰⁰⁵ stearoyl-CoA 9-desaturase activity²⁰⁰² oxidoreductase activity, acting on single donors with incorporation of molecular oxygen, incorporation of two atoms of oxygen²⁰²³ linoleoyl-CoA desaturase activity²⁰²³ fatty acid alpha-hydroxylase activity²⁰²⁰ cytochrome-c oxidase activity²⁰⁰³ cytochrome-b5 reductase activity, acting on NAD(P)H²⁰¹⁷

Molecular function: sterol biosynthetic process^{2002, 2020, 2021} nitric oxide biosynthetic process^{2020, 2023} electron transport chain^{2009, 2023} very long-chain fatty acid biosynthetic process^{2019, 2023} ergosterol biosynthetic process^{2005, 2006, 2014} cellular response to xenobiotic stimulus^{2008, 2023} alkane biosynthetic process^{2012, 2023} xenobiotic metabolic process²⁰²⁰ response to oxidative stress²⁰²⁰ proton transmembrane transport²⁰²³
± 7 fatty acid metabolic process^{2004, 2021} tryptophan catabolic process to kynurenine²⁰²³ tryptophan catabolic process²⁰²³ translation²⁰²¹ sensory perception of chemical stimulus²⁰²³ response to cadmium ion²⁰⁰⁷ post-transcriptional regulation of gene expression²⁰¹⁶

Cellular component: membrane^{2013, 2014, 2019, 2021, 2023} intracellular membrane-bounded organelle²⁰²³ endoplasmic reticulum membrane^{2003, 2005, 2006, 2007, 2020, 2021, 2023} mitochondrial outer membrane^{2006, 2013, 2015, 2016, 2019, 2020, 2023} endoplasmic reticulum^{2007, 2009, 2016, 2017, 2020, 2021, 2023} nitric-oxide synthase complex^{2020, 2023} cytosol^{2011, 2018, 2019, 2023} stromule^{2008, 2023} chloroplast outer membrane^{2008, 2023} mitochondrion^{2007, 2009, 2014, 2023}
± 15 cytoplasm^{2017, 2023} plastid^{2019, 2023} plasma membrane^{2021, 2023} nuclear envelope²⁰¹⁷ mitochondrial inner membrane^{2005, 2009} ciliary pocket²⁰¹⁷ plant-type vacuole²⁰²¹ perinuclear region of cytoplasm²⁰¹² nucleus²⁰¹⁷ mitochondrial membrane²⁰²³ food vacuole²⁰¹³ endomembrane system²⁰¹⁴ chloroplast thylakoid membrane²⁰²¹ chloroplast membrane²⁰²³ chloroplast²⁰²³