Annotations: 5ZLE

Human duodenal cytochrome b (Dcytb) in substrate free form

External Resource: Annotation

Domain Annotation: ECOD Classification
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations
Membrane Protein Annotation: PDBTM
Membrane Protein Annotation: MemProtMD

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	Bromodomain	e5zleA1	A: alpha arrays	X: L-aspartase middle domain-like	H: L-aspartase middle domain-like	T: L-aspartase middle domain-like	F: Bromodomain	ECOD (v295.2)

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 import into cell cellular localization iron import into cell 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 import into cell cellular localization iron import into cell transport monoatomic ion transmembrane transport metal ion transport monoatomic cation transmembrane transport localization establishment of localization in cell monoatomic ion transport reductive iron assimilation monoatomic cation transport iron ion import across plasma membrane import across plasma membrane iron ion transport iron ion transmembrane transport establishment of localization inorganic cation import across plasma membrane transmembrane transport inorganic ion import across plasma membrane transition metal ion transport cellular process multicellular organismal-level iron ion homeostasis multicellular organismal process multicellular organismal-level homeostasis multicellular organismal-level chemical homeostasis ascorbate homeostasis carbohydrate homeostasis	vacuolar membrane membrane-bounded organelle intracellular anatomical structure membrane lytic vacuole vacuole intracellular membrane-bounded organelle intracellular organelle lytic vacuole membrane bounding membrane of organelle cellular anatomical structure organelle lysosomal membrane cytoplasm vacuolar membrane membrane-bounded organelle intracellular anatomical structure membrane lytic vacuole vacuole intracellular membrane-bounded organelle intracellular organelle lytic vacuole membrane bounding membrane of organelle cellular anatomical structure 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 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	Domain
A	IPR043205	Cytochrome b561/Cytochrome b reductase 1-like	Family

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	: Q53TN4	malignant ependymoma malignant pancreatic neoplasm non-small cell lung carcinoma pancreatic intraductal papillary-mucinous carcinoma adrenal cortex carcinoma pituitary cancer atypical teratoid rhabdoid tumor ulcerative colitis 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 adrenal cortex carcinoma pituitary cancer atypical teratoid rhabdoid tumor ulcerative colitis 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 atopic eczema psoriasis breast cancer cystic fibrosis Emery-Dreifuss muscular dystrophy hereditary hemochromatosis limb-girdle muscular dystrophy lung carcinoma malignant mesothelioma myopathy pancreatic ductal adenocarcinoma pilocytic astrocytoma atrial fibrillation tuberculosis 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

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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 R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.