Annotations: 5ZLE

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	PF03188	e5zleA1	A: alpha bundles	X: Transmembrane heme-binding four-helical bundle (From Homology)	H: Transmembrane heme-binding four-helical bundle	T: Transmembrane di-heme cytochromes	F: PF03188	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF03188	Eukaryotic cytochrome b561 (Cytochrom_B561)	Eukaryotic cytochrome b561	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Cytochrome b reductase 1	oxidoreductase activity catalytic activity oxidoreductase activity, acting on metal ions transmembrane ascorbate ferrireductase activity oxidoreduction-driven active transmembrane transporter activity active transmembrane transporter activity primary active transmembrane transporter activity transporter activity transmembrane transporter activity transmembrane monodehydroascorbate reductase activity cation binding ion binding binding metal ion binding oxidoreductase activity catalytic activity oxidoreductase activity, acting on metal ions transmembrane ascorbate ferrireductase activity oxidoreduction-driven active transmembrane transporter activity active transmembrane transporter activity primary active transmembrane transporter activity transporter activity transmembrane transporter activity transmembrane monodehydroascorbate reductase activity cation binding ion binding binding metal ion binding small molecule binding identical protein binding protein binding	intracellular iron ion homeostasis inorganic ion homeostasis cellular homeostasis chemical homeostasis homeostatic process intracellular monoatomic cation homeostasis monoatomic ion homeostasis intracellular chemical homeostasis monoatomic cation homeostasis intracellular monoatomic ion homeostasis cellular localization iron import into cell transport metal ion transport intracellular iron ion homeostasis inorganic ion homeostasis cellular homeostasis chemical homeostasis homeostatic process intracellular monoatomic cation homeostasis monoatomic ion homeostasis intracellular chemical homeostasis monoatomic cation homeostasis intracellular monoatomic ion homeostasis cellular localization iron import into cell transport metal ion transport localization establishment of localization in cell monoatomic ion transport reductive iron assimilation monoatomic cation transport iron ion transport establishment of localization transition metal ion transport cellular process multicellular organismal-level iron ion homeostasis multicellular organismal process multicellular organismal-level homeostasis multicellular organismal-level chemical homeostasis response to stimulus response to metal ion response to iron ion response to chemical response to inorganic substance ascorbate homeostasis	vacuolar membrane membrane-bounded organelle intracellular anatomical structure membrane lytic vacuole vacuole cellular anatomical entity intracellular membrane-bounded organelle intracellular organelle lytic vacuole membrane bounding membrane of organelle organelle lysosomal membrane cytoplasm vacuolar membrane membrane-bounded organelle intracellular anatomical structure membrane lytic vacuole vacuole cellular anatomical entity intracellular membrane-bounded organelle intracellular organelle lytic vacuole membrane bounding membrane of organelle organelle lysosomal membrane cytoplasm organelle membrane lysosome cell periphery apical part of cell plasma membrane plasma membrane region apical plasma membrane extracellular exosome extracellular vesicle extracellular organelle extracellular region extracellular space vesicle extracellular membrane-bounded organelle brush border membrane cluster of actin-based cell projections plasma membrane bounded cell projection brush border cell projection cell projection membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR006593	Cytochrome b561/ferric reductase transmembrane	Domain
A	IPR043205	Cytochrome b561/Cytochrome b reductase 1-like	Family

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: Q53TN4	malignant ependymoma malignant pancreatic neoplasm non-small cell lung carcinoma pancreatic intraductal papillary-mucinous carcinoma pituitary cancer adrenal cortex carcinoma ulcerative colitis atypical teratoid rhabdoid tumor cutaneous lupus erythematosus ductal breast carcinoma in situ glioblastoma large cell medulloblastoma lung cancer malignant glioma medulloblastoma malignant ependymoma malignant pancreatic neoplasm non-small cell lung carcinoma pancreatic intraductal papillary-mucinous carcinoma pituitary cancer adrenal cortex carcinoma ulcerative colitis atypical teratoid rhabdoid tumor cutaneous lupus erythematosus ductal breast carcinoma in situ glioblastoma large cell medulloblastoma lung cancer malignant glioma medulloblastoma ovarian cancer pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia psoriasis atopic eczema breast cancer cystic fibrosis Emery-Dreifuss muscular dystrophy hereditary hemochromatosis limb-girdle muscular dystrophy lung carcinoma malignant mesothelioma myopathy pancreatic ductal adenocarcinoma pilocytic astrocytoma tuberculosis atrial fibrillation breast carcinoma Duchenne muscular dystrophy facioscapulohumeral muscular dystrophy invasive ductal breast carcinoma lung adenocarcinoma

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

Chains	External Link	Comment
A	PDBTM	Annotated as membrane protein by PDBTM

Membrane Protein Annotation: MemProtMD MemProtMD Database Homepage

Chains	External Link	Comment
A	MemProtMD	Annotated as membrane protein by MemProtMD

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), 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.