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    CYP1B1 cytochrome P450 family 1 subfamily B member 1 [ Homo sapiens (human) ]

    Gene ID: 1545, updated on 5-Jul-2025
    Official Symbol
    CYP1B1provided by HGNC
    Official Full Name
    cytochrome P450 family 1 subfamily B member 1provided by HGNC
    Primary source
    HGNC:HGNC:2597
    See related
    Ensembl:ENSG00000138061 MIM:601771; AllianceGenome:HGNC:2597
    Gene type
    protein coding
    RefSeq status
    REVIEWED
    Organism
    Homo sapiens
    Lineage
    Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia; Eutheria; Euarchontoglires; Primates; Haplorrhini; Catarrhini; Hominidae; Homo
    Also known as
    CP1B; ASGD6; GLC3A; CYPIB1; P4501B1
    Summary
    This gene encodes a member of the cytochrome P450 superfamily of enzymes. The cytochrome P450 proteins are monooxygenases which catalyze many reactions involved in drug metabolism and synthesis of cholesterol, steroids and other lipids. The enzyme encoded by this gene localizes to the endoplasmic reticulum and metabolizes procarcinogens such as polycyclic aromatic hydrocarbons and 17beta-estradiol. Mutations in this gene have been associated with primary congenital glaucoma; therefore it is thought that the enzyme also metabolizes a signaling molecule involved in eye development, possibly a steroid. [provided by RefSeq, Jul 2008]
    Expression
    Broad expression in prostate (RPKM 32.6), endometrium (RPKM 26.2) and 19 other tissues See more
    Orthologs
    NEW
    Try the new Gene table
    Try the new Transcript table
    See CYP1B1 in Genome Data Viewer
    Location:
    2p22.2
    Exon count:
    3
    Annotation release Status Assembly Chr Location
    RS_2024_08 current GRCh38.p14 (GCF_000001405.40) 2 NC_000002.12 (38067509..38076151, complement)
    RS_2024_08 current T2T-CHM13v2.0 (GCF_009914755.1) 2 NC_060926.1 (38074395..38083037, complement)
    RS_2024_09 previous assembly GRCh37.p13 (GCF_000001405.25) 2 NC_000002.11 (38294652..38303293, complement)

    Chromosome 2 - NC_000002.12Genomic Context describing neighboring genes Neighboring gene ATAC-STARR-seq lymphoblastoid active region 15600 Neighboring gene ATAC-STARR-seq lymphoblastoid silent region 11365 Neighboring gene PU.1 (SPI1) induced regulator of S100A8 and S100A9 alarmin transcription 1 Neighboring gene ATAC-STARR-seq lymphoblastoid silent region 11366 Neighboring gene H3K27ac hESC enhancer GRCh37_chr2:38168691-38169192 Neighboring gene regulator of microtubule dynamics 2 Neighboring gene RMDN2 antisense RNA 1 Neighboring gene ReSE screen-validated silencer GRCh37_chr2:38207514-38207877 Neighboring gene zinc finger protein 430 pseudogene Neighboring gene NANOG hESC enhancer GRCh37_chr2:38244929-38245461 Neighboring gene ATAC-STARR-seq lymphoblastoid silent region 11367 Neighboring gene melanoma risk locus-associated MPRA allelic enhancer 2:38298139 Neighboring gene CYP1B1 promoter Neighboring gene OCT4-NANOG-H3K27ac hESC enhancer GRCh37_chr2:38326323-38326823 Neighboring gene H3K27ac-H3K4me1 hESC enhancer GRCh37_chr2:38334037-38334776 Neighboring gene NANOG-H3K27ac-H3K4me1 hESC enhancer GRCh37_chr2:38334777-38335516 Neighboring gene uncharacterized LOC107985871 Neighboring gene CYP1B1 antisense RNA 1 Neighboring gene P300/CBP strongly-dependent group 1 enhancer GRCh37_chr2:38373590-38374789 Neighboring gene RNA, U6 small nuclear 951, pseudogene Neighboring gene uncharacterized LOC102723739 Neighboring gene ribosomal protein L7 pseudogene 12

    • Project title: Tissue-specific circular RNA induction during human fetal development
    • Description: 35 human fetal samples from 6 tissues (3 - 7 replicates per tissue) collected between 10 and 20 weeks gestational time were sequenced using Illumina TruSeq Stranded Total RNA
    • BioProject: PRJNA270632
    • Publication: PMID 26076956
    • Analysis date: Mon Apr 2 22:54:59 2018

    GeneRIFs: Gene References Into Functions

    What's a GeneRIF?

    Protein interactions

    Protein Gene Interaction Pubs
    Tat tat Microarray analysis indicates HIV-1 Tat-induced upregulation of cytochrome P450, family 1, subfamily B, polypeptide 1 (CYP1B1) in primary human brain microvascular endothelial cells PubMed

    Go to the HIV-1, Human Interaction Database

    Products Interactant Other Gene Complex Source Pubs Description

    Markers

    Clone Names

    • FLJ51599, FLJ51600

    Gene Ontology Provided by GOA

    Function Evidence Code Pubs
    enables estrogen 16-alpha-hydroxylase activity IDA
    Inferred from Direct Assay
    more info
    PubMed 
    enables estrogen 2-hydroxylase activity IEA
    Inferred from Electronic Annotation
    more info
     
    enables heme binding IDA
    Inferred from Direct Assay
    more info
    PubMed 
    enables heme binding IEA
    Inferred from Electronic Annotation
    more info
     
    enables hydroperoxy icosatetraenoate dehydratase activity IEA
    Inferred from Electronic Annotation
    more info
     
    enables iron ion binding IEA
    Inferred from Electronic Annotation
    more info
     
    enables lyase activity IEA
    Inferred from Electronic Annotation
    more info
     
    enables metal ion binding IEA
    Inferred from Electronic Annotation
    more info
     
    enables monooxygenase activity IDA
    Inferred from Direct Assay
    more info
    PubMed 
    enables monooxygenase activity IEA
    Inferred from Electronic Annotation
    more info
     
    enables monooxygenase activity TAS
    Traceable Author Statement
    more info
     
    enables oxidoreductase activity IEA
    Inferred from Electronic Annotation
    more info
     
    enables oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen IEA
    Inferred from Electronic Annotation
    more info
     
    enables oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen, NAD(P)H as one donor, and incorporation of one atom of oxygen TAS
    Traceable Author Statement
    more info
     
    enables oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen, reduced flavin or flavoprotein as one donor, and incorporation of one atom of oxygen IBA
    Inferred from Biological aspect of Ancestor
    more info
     
    enables oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen, reduced flavin or flavoprotein as one donor, and incorporation of one atom of oxygen IDA
    Inferred from Direct Assay
    more info
    PubMed 
    enables oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen, reduced flavin or flavoprotein as one donor, and incorporation of one atom of oxygen IEA
    Inferred from Electronic Annotation
    more info
     
    enables protein binding IPI
    Inferred from Physical Interaction
    more info
    PubMed 
    enables steroid hydroxylase activity IBA
    Inferred from Biological aspect of Ancestor
    more info
     
    enables steroid hydroxylase activity IEA
    Inferred from Electronic Annotation
    more info
     
    enables testosterone 6-beta-hydroxylase activity IEA
    Inferred from Electronic Annotation
    more info
     
    Process Evidence Code Pubs
    acts_upstream_of_or_within angiogenesis IEA
    Inferred from Electronic Annotation
    more info
     
    involved_in arachidonate metabolic process IDA
    Inferred from Direct Assay
    more info
    PubMed 
    involved_in arachidonate metabolic process IEA
    Inferred from Electronic Annotation
    more info
     
    acts_upstream_of_or_within benzene-containing compound metabolic process IEA
    Inferred from Electronic Annotation
    more info
     
    acts_upstream_of_or_within blood vessel endothelial cell migration IEA
    Inferred from Electronic Annotation
    more info
     
    involved_in blood vessel morphogenesis IEA
    Inferred from Electronic Annotation
    more info
     
    involved_in blood vessel morphogenesis ISS
    Inferred from Sequence or Structural Similarity
    more info
     
    involved_in cell adhesion IEA
    Inferred from Electronic Annotation
    more info
     
    involved_in cell adhesion ISS
    Inferred from Sequence or Structural Similarity
    more info
     
    involved_in cellular response to hydrogen peroxide IEA
    Inferred from Electronic Annotation
    more info
     
    involved_in cellular response to hydrogen peroxide ISS
    Inferred from Sequence or Structural Similarity
    more info
     
    involved_in collagen fibril organization IEA
    Inferred from Electronic Annotation
    more info
     
    involved_in collagen fibril organization ISS
    Inferred from Sequence or Structural Similarity
    more info
     
    involved_in endothelial cell migration IEA
    Inferred from Electronic Annotation
    more info
     
    involved_in endothelial cell migration ISS
    Inferred from Sequence or Structural Similarity
    more info
     
    acts_upstream_of_or_within endothelial cell-cell adhesion IEA
    Inferred from Electronic Annotation
    more info
     
    involved_in epoxygenase P450 pathway TAS
    Traceable Author Statement
    more info
     
    involved_in estrogen metabolic process IBA
    Inferred from Biological aspect of Ancestor
    more info
     
    involved_in estrogen metabolic process IDA
    Inferred from Direct Assay
    more info
    PubMed 
    involved_in estrogen metabolic process IEA
    Inferred from Electronic Annotation
    more info
     
    involved_in fatty acid metabolic process IEA
    Inferred from Electronic Annotation
    more info
     
    involved_in hormone metabolic process IEA
    Inferred from Electronic Annotation
    more info
     
    involved_in intrinsic apoptotic signaling pathway in response to oxidative stress IEA
    Inferred from Electronic Annotation
    more info
     
    involved_in intrinsic apoptotic signaling pathway in response to oxidative stress ISS
    Inferred from Sequence or Structural Similarity
    more info
     
    involved_in lipid metabolic process IEA
    Inferred from Electronic Annotation
    more info
     
    involved_in membrane lipid catabolic process IEA
    Inferred from Electronic Annotation
    more info
     
    involved_in membrane lipid catabolic process ISS
    Inferred from Sequence or Structural Similarity
    more info
     
    involved_in negative regulation of NF-kappaB transcription factor activity ISS
    Inferred from Sequence or Structural Similarity
    more info
     
    involved_in negative regulation of cell adhesion mediated by integrin IEA
    Inferred from Electronic Annotation
    more info
     
    involved_in negative regulation of cell adhesion mediated by integrin ISS
    Inferred from Sequence or Structural Similarity
    more info
     
    involved_in negative regulation of cell migration IEA
    Inferred from Electronic Annotation
    more info
     
    involved_in negative regulation of cell migration ISS
    Inferred from Sequence or Structural Similarity
    more info
     
    involved_in negative regulation of cell population proliferation IEA
    Inferred from Electronic Annotation
    more info
     
    involved_in negative regulation of cell population proliferation ISS
    Inferred from Sequence or Structural Similarity
    more info
     
    involved_in nitric oxide biosynthetic process IEA
    Inferred from Electronic Annotation
    more info
     
    involved_in nitric oxide biosynthetic process ISS
    Inferred from Sequence or Structural Similarity
    more info
     
    involved_in olefinic compound metabolic process IEA
    Inferred from Electronic Annotation
    more info
     
    involved_in omega-hydroxylase P450 pathway TAS
    Traceable Author Statement
    more info
     
    involved_in positive regulation of angiogenesis IEA
    Inferred from Electronic Annotation
    more info
     
    involved_in positive regulation of angiogenesis ISS
    Inferred from Sequence or Structural Similarity
    more info
     
    involved_in positive regulation of apoptotic process IEA
    Inferred from Electronic Annotation
    more info
     
    involved_in positive regulation of apoptotic process ISS
    Inferred from Sequence or Structural Similarity
    more info
     
    involved_in positive regulation of receptor signaling pathway via JAK-STAT IEA
    Inferred from Electronic Annotation
    more info
     
    involved_in positive regulation of receptor signaling pathway via JAK-STAT ISS
    Inferred from Sequence or Structural Similarity
    more info
     
    involved_in positive regulation of vascular endothelial growth factor production IEA
    Inferred from Electronic Annotation
    more info
     
    involved_in positive regulation of vascular endothelial growth factor production ISS
    Inferred from Sequence or Structural Similarity
    more info
     
    involved_in regulation of reactive oxygen species metabolic process IEA
    Inferred from Electronic Annotation
    more info
     
    involved_in regulation of reactive oxygen species metabolic process ISS
    Inferred from Sequence or Structural Similarity
    more info
     
    acts_upstream_of_or_within response to toxic substance IEA
    Inferred from Electronic Annotation
    more info
     
    acts_upstream_of_or_within retina vasculature development in camera-type eye IEA
    Inferred from Electronic Annotation
    more info
     
    involved_in retinal blood vessel morphogenesis IEA
    Inferred from Electronic Annotation
    more info
     
    involved_in retinal blood vessel morphogenesis ISS
    Inferred from Sequence or Structural Similarity
    more info
     
    involved_in retinal metabolic process IDA
    Inferred from Direct Assay
    more info
    PubMed 
    involved_in retinal metabolic process IEA
    Inferred from Electronic Annotation
    more info
     
    involved_in retinol metabolic process IDA
    Inferred from Direct Assay
    more info
    PubMed 
    involved_in retinol metabolic process IEA
    Inferred from Electronic Annotation
    more info
     
    involved_in steroid catabolic process IBA
    Inferred from Biological aspect of Ancestor
    more info
     
    involved_in steroid metabolic process IDA
    Inferred from Direct Assay
    more info
    PubMed 
    involved_in steroid metabolic process IEA
    Inferred from Electronic Annotation
    more info
     
    involved_in sterol metabolic process TAS
    Traceable Author Statement
    more info
     
    involved_in toxin metabolic process IBA
    Inferred from Biological aspect of Ancestor
    more info
     
    acts_upstream_of_or_within toxin metabolic process IEA
    Inferred from Electronic Annotation
    more info
     
    involved_in trabecular meshwork development IEA
    Inferred from Electronic Annotation
    more info
     
    involved_in trabecular meshwork development ISS
    Inferred from Sequence or Structural Similarity
    more info
     
    involved_in xenobiotic catabolic process IBA
    Inferred from Biological aspect of Ancestor
    more info
     
    involved_in xenobiotic metabolic process IDA
    Inferred from Direct Assay
    more info
    PubMed 
    involved_in xenobiotic metabolic process NAS
    Non-traceable Author Statement
    more info
    PubMed 
    Component Evidence Code Pubs
    located_in endoplasmic reticulum IEA
    Inferred from Electronic Annotation
    more info
     
    located_in endoplasmic reticulum membrane IEA
    Inferred from Electronic Annotation
    more info
     
    located_in endoplasmic reticulum membrane TAS
    Traceable Author Statement
    more info
     
    located_in membrane IEA
    Inferred from Electronic Annotation
    more info
     
    is_active_in mitochondrion IBA
    Inferred from Biological aspect of Ancestor
    more info
     
    located_in mitochondrion IEA
    Inferred from Electronic Annotation
    more info
     
    located_in mitochondrion ISS
    Inferred from Sequence or Structural Similarity
    more info
     
    Preferred Names
    cytochrome P450 1B1
    Names
    aryl hydrocarbon hydroxylase
    cytochrome P450, family 1, subfamily B, polypeptide 1
    cytochrome P450, subfamily I (dioxin-inducible), polypeptide 1 (glaucoma 3, primary infantile)
    dioxin-inducible cytochrome p450
    flavoprotein-linked monooxygenase
    hydroperoxy icosatetraenoate dehydratase
    microsomal monooxygenase
    xenobiotic monooxygenase
    NP_000095.2

    NEW Try the new Transcript table

    RefSeqs maintained independently of Annotated Genomes

    These reference sequences exist independently of genome builds. Explain

    These reference sequences are curated independently of the genome annotation cycle, so their versions may not match the RefSeq versions in the current genome build. Identify version mismatches by comparing the version of the RefSeq in this section to the one reported in Genomic regions, transcripts, and products above.

    Genomic

    1. NG_008386.2 RefSeqGene

      Range
      4951..13593
      Download
      GenBank, FASTA, Sequence Viewer (Graphics)

    mRNA and Protein(s)

    1. NM_000104.4NP_000095.2  cytochrome P450 1B1

      See identical proteins and their annotated locations for NP_000095.2

      Status: REVIEWED

      Source sequence(s)
      AC009229, KF459611, KF573675
      Consensus CDS
      CCDS1793.1
      UniProtKB/Swiss-Prot
      Q16678, Q5TZW8, Q93089, Q9H316
      UniProtKB/TrEMBL
      Q53TK1
      Related
      ENSP00000478561.1, ENST00000610745.5
      Conserved Domains (1) summary
      pfam00067
      Location:51520
      p450; Cytochrome P450

    RefSeqs of Annotated Genomes: GCF_000001405.40-RS_2024_08

    The following sections contain reference sequences that belong to a specific genome build. Explain

    Reference GRCh38.p14 Primary Assembly

    Genomic

    1. NC_000002.12 Reference GRCh38.p14 Primary Assembly

      Range
      38067509..38076151 complement
      Download
      GenBank, FASTA, Sequence Viewer (Graphics)

    Alternate T2T-CHM13v2.0

    Genomic

    1. NC_060926.1 Alternate T2T-CHM13v2.0

      Range
      38074395..38083037 complement
      Download
      GenBank, FASTA, Sequence Viewer (Graphics)