Annotations: 3A1F

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	NAD_binding_6	e3a1fA1	A: a/b three-layered sandwiches	X: Ferredoxin reductase-like, C-terminal NADP-linked domain (From Topology)	H: Ferredoxin reductase-like, C-terminal NADP-linked domain (From Topology)	T: Ferredoxin reductase-like, C-terminal NADP-linked domain	F: NAD_binding_6	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.40.50.80	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Nucleotide-binding domain of ferredoxin-NADP reductase (FNR) module	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF08022	FAD-binding domain (FAD_binding_8)	FAD-binding domain	-	Domain
A	PF08030	Ferric reductase NAD binding domain (NAD_binding_6)	Ferric reductase NAD binding domain	-	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Cytochrome b-245 heavy chain	flavin adenine dinucleotide binding binding nucleoside phosphate binding ion binding organic cyclic compound binding anion binding nucleotide binding heterocyclic compound binding small molecule binding protein heterodimerization activity protein binding protein dimerization activity tetrapyrrole binding heme binding flavin adenine dinucleotide binding binding nucleoside phosphate binding ion binding organic cyclic compound binding anion binding nucleotide binding heterocyclic compound binding small molecule binding protein heterodimerization activity protein binding protein dimerization activity tetrapyrrole binding heme binding oxidoreductase activity superoxide-generating NAD(P)H oxidase activity oxidoreductase activity, acting on NAD(P)H catalytic activity oxidoreductase activity, acting on NAD(P)H, oxygen as acceptor cation binding metal ion binding	response to stimulus response to chemical response to xenobiotic stimulus superoxide metabolic process superoxide anion generation cellular metabolic process reactive oxygen species metabolic process metabolic process cellular process biological process involved in interspecies interaction between organisms immune response response to other organism defense response defense response to symbiont response to stimulus response to chemical response to xenobiotic stimulus superoxide metabolic process superoxide anion generation cellular metabolic process reactive oxygen species metabolic process metabolic process cellular process biological process involved in interspecies interaction between organisms immune response response to other organism defense response defense response to symbiont response to external stimulus response to biotic stimulus immune system process defense response to other organism response to stress innate immune response response to external biotic stimulus transmembrane transport localization transport monoatomic ion transmembrane transport monoatomic ion transport establishment of localization response to organic substance response to angiotensin response to hormone response to endogenous stimulus response to organonitrogen compound response to peptide hormone response to oxygen-containing compound response to nitrogen compound electron transport chain generation of precursor metabolites and energy cellular response to acid chemical cellular response to stimulus cellular response to nitrogen compound cellular response to amino acid stimulus cellular response to L-glutamine response to L-glutamine response to amino acid cellular response to oxygen-containing compound cellular response to endogenous stimulus response to acid chemical cellular response to chemical stimulus cellular response to organonitrogen compound cellular response to organic substance response to alcohol cellular response to alcohol cellular response to ethanol response to ethanol multicellular organismal process regulation of developmental process positive regulation of biological process angiogenesis regulation of vasculature development positive regulation of developmental process multicellular organism development tube morphogenesis anatomical structure development regulation of multicellular organismal process regulation of anatomical structure morphogenesis blood vessel development system development developmental process regulation of multicellular organismal development regulation of biological process blood vessel morphogenesis tube development biological regulation positive regulation of angiogenesis vasculature development circulatory system development anatomical structure morphogenesis positive regulation of vasculature development regulation of angiogenesis anatomical structure formation involved in morphogenesis positive regulation of multicellular organismal process reactive oxygen species biosynthetic process biosynthetic process cellular biosynthetic process hydrogen peroxide metabolic process hydrogen peroxide biosynthetic process response to aldosterone response to ketone response to lipid response to mineralocorticoid response to corticosteroid response to steroid hormone response to organic cyclic compound response to decreased oxygen levels regulation of cellular process signaling cellular response to oxygen levels cellular response to hypoxia cellular response to decreased oxygen levels cell communication cellular response to stress response to hypoxia hypoxia-inducible factor-1alpha signaling pathway response to oxygen levels response to abiotic stimulus signal transduction respiratory burst inflammatory response regulation of tumor necrosis factor production positive regulation of cellular metabolic process positive regulation of macromolecule biosynthetic process positive regulation of metabolic process positive regulation of tumor necrosis factor superfamily cytokine production organic substance metabolic process positive regulation of biosynthetic process cytokine production organic substance biosynthetic process regulation of cytokine production positive regulation of macromolecule metabolic process positive regulation of cellular process regulation of biosynthetic process tumor necrosis factor superfamily cytokine production regulation of cellular metabolic process positive regulation of tumor necrosis factor production regulation of macromolecule metabolic process gene expression macromolecule biosynthetic process tumor necrosis factor production regulation of cellular biosynthetic process regulation of gene expression regulation of tumor necrosis factor superfamily cytokine production positive regulation of gene expression regulation of macromolecule biosynthetic process macromolecule metabolic process positive regulation of cytokine production regulation of metabolic process positive regulation of cellular biosynthetic process response to nutrient levels response to nutrient cellular response to inorganic substance cellular response to metal ion response to cadmium ion response to inorganic substance response to metal ion cellular response to cadmium ion	membrane-bounded organelle intracellular anatomical structure tertiary granule membrane membrane intracellular vesicle cellular anatomical entity intracellular membrane-bounded organelle endomembrane system tertiary granule intracellular organelle cytoplasmic vesicle membrane bounding membrane of organelle vesicle membrane cytoplasmic vesicle membrane-bounded organelle intracellular anatomical structure tertiary granule membrane membrane intracellular vesicle cellular anatomical entity intracellular membrane-bounded organelle endomembrane system tertiary granule intracellular organelle cytoplasmic vesicle membrane bounding membrane of organelle vesicle membrane cytoplasmic vesicle organelle secretory granule secretory vesicle cytoplasm vesicle organelle membrane secretory granule membrane specific granule membrane specific granule organelle envelope nuclear envelope nucleus cell periphery plasma membrane protein-containing complex catalytic complex plasma membrane protein complex NADPH oxidase complex membrane protein complex oxidoreductase complex somatodendritic compartment cell projection dendrite dendritic tree neuron projection plasma membrane bounded cell projection perinuclear endoplasmic reticulum perinuclear region of cytoplasm endoplasmic reticulum organelle subcompartment endoplasmic reticulum subcompartment nuclear outer membrane-endoplasmic reticulum membrane network endoplasmic reticulum membrane phagocytic vesicle phagocytic vesicle membrane endocytic vesicle membrane endocytic vesicle cell body neuronal cell body transmembrane transporter complex transporter complex monoatomic ion channel complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR017938	Riboflavin synthase-like beta-barrel	Homologous Superfamily
A	IPR013130	Ferric reductase transmembrane component-like domain	Domain
A	IPR013112	FAD-binding 8	Domain
A	IPR039261	Ferredoxin-NADP reductase (FNR), nucleotide-binding domain	Homologous Superfamily
A	IPR000778	Cytochrome b245, heavy chain	Family
A	IPR017927	FAD-binding domain, ferredoxin reductase-type	Domain
A	IPR013121	Ferric reductase, NAD binding domain	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: P04839	chronic granulomatous disease X-linked mendelian susceptibility to mycobacterial diseases due to CYBB deficiency granulomatous disease, chronic, X-linked diabetes mellitus hypertensive disorder brain infarction Myocardial Reperfusion Injury chronic kidney disease proteinuria kidney disease congestive heart failure subependymal giant cell astrocytoma heart failure IgA glomerulonephritis invasive ductal breast carcinoma chronic granulomatous disease X-linked mendelian susceptibility to mycobacterial diseases due to CYBB deficiency granulomatous disease, chronic, X-linked diabetes mellitus hypertensive disorder brain infarction Myocardial Reperfusion Injury chronic kidney disease proteinuria kidney disease congestive heart failure subependymal giant cell astrocytoma heart failure IgA glomerulonephritis invasive ductal breast carcinoma adrenal cortex carcinoma large cell medulloblastoma lung cancer atypical teratoid rhabdoid tumor MALT lymphoma ovarian cancer pilocytic astrocytoma cutaneous lupus erythematosus Sjogren syndrome tuberculosis head and neck cancer inborn carbohydrate metabolic disorder ischemia reperfusion injury astrocytic tumor lung carcinoma medulloblastoma non-small cell lung carcinoma pancreatic intraductal papillary-mucinous neoplasm chronic obstructive pulmonary disease glioblastoma ulcerative colitis interstitial cystitis atherosclerosis malignant glioma B-cell chronic lymphocytic leukemia osteosarcoma phagocyte bactericidal dysfunction

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.