ID CP1A1_LIMLI Reviewed; 521 AA. AC O42430; DT 30-MAY-2000, integrated into UniProtKB/Swiss-Prot. DT 01-JAN-1998, sequence version 1. DT 27-MAR-2024, entry version 106. DE RecName: Full=Cytochrome P450 1A1; DE EC=1.14.14.1; DE AltName: Full=CYPIA1; GN Name=cyp1a1; OS Limanda limanda (Common dab) (Pleuronectes limanda). OC Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; OC Actinopterygii; Neopterygii; Teleostei; Neoteleostei; Acanthomorphata; OC Carangaria; Pleuronectiformes; Pleuronectoidei; Pleuronectidae; Limanda. OX NCBI_TaxID=27771; RN [1] RP NUCLEOTIDE SEQUENCE [MRNA]. RC TISSUE=Liver; RX PubMed=11423384; DOI=10.1016/s1532-0456(01)00188-0; RA Craft J.A., Robertson F.E., McPhail M.E., Brown E., Stagg R.M.; RT "Measurement of cytochrome P4501A induction in dab (Limanda limanda) and RT other teleosts with species-specific cDNA probes: isolation and RT characterisation of dab cDNA and its use in expression studies with beta- RT naphthoflavone-treated fish."; RL Comp. Biochem. Physiol. 129C:115-127(2001). CC -!- FUNCTION: Cytochromes P450 are a group of heme-thiolate monooxygenases. CC They oxidize a variety of structurally unrelated compounds, including CC steroids, fatty acids, and xenobiotics. CC -!- CATALYTIC ACTIVITY: CC Reaction=an organic molecule + O2 + reduced [NADPH--hemoprotein CC reductase] = an alcohol + H(+) + H2O + oxidized [NADPH--hemoprotein CC reductase]; Xref=Rhea:RHEA:17149, Rhea:RHEA-COMP:11964, Rhea:RHEA- CC COMP:11965, ChEBI:CHEBI:15377, ChEBI:CHEBI:15378, ChEBI:CHEBI:15379, CC ChEBI:CHEBI:30879, ChEBI:CHEBI:57618, ChEBI:CHEBI:58210, CC ChEBI:CHEBI:142491; EC=1.14.14.1; CC -!- COFACTOR: CC Name=heme; Xref=ChEBI:CHEBI:30413; Evidence={ECO:0000250}; CC -!- SUBCELLULAR LOCATION: Endoplasmic reticulum membrane; Peripheral CC membrane protein. Microsome membrane; Peripheral membrane protein. CC -!- SIMILARITY: Belongs to the cytochrome P450 family. {ECO:0000305}. CC --------------------------------------------------------------------------- CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms CC Distributed under the Creative Commons Attribution (CC BY 4.0) License CC --------------------------------------------------------------------------- DR EMBL; AJ001724; CAA04953.1; -; mRNA. DR AlphaFoldDB; O42430; -. DR SMR; O42430; -. DR GO; GO:0005789; C:endoplasmic reticulum membrane; IEA:UniProtKB-SubCell. DR GO; GO:0070330; F:aromatase activity; IEA:UniProtKB-EC. DR GO; GO:0020037; F:heme binding; IEA:InterPro. DR GO; GO:0005506; F:iron ion binding; IEA:InterPro. DR CDD; cd20676; CYP1A; 1. DR Gene3D; 1.10.630.10; Cytochrome P450; 1. DR InterPro; IPR001128; Cyt_P450. DR InterPro; IPR017972; Cyt_P450_CS. DR InterPro; IPR002401; Cyt_P450_E_grp-I. DR InterPro; IPR008066; Cyt_P450_E_grp-I_CYP1. DR InterPro; IPR036396; Cyt_P450_sf. DR PANTHER; PTHR24289:SF18; CYTOCHROME P450 1A2; 1. DR PANTHER; PTHR24289; STEROID 17-ALPHA-HYDROXYLASE/17,20 LYASE; 1. DR Pfam; PF00067; p450; 1. DR PRINTS; PR00463; EP450I. DR PRINTS; PR01683; EP450ICYP1A. DR PRINTS; PR00385; P450. DR SUPFAM; SSF48264; Cytochrome P450; 1. DR PROSITE; PS00086; CYTOCHROME_P450; 1. PE 2: Evidence at transcript level; KW Endoplasmic reticulum; Heme; Iron; Membrane; Metal-binding; Microsome; KW Monooxygenase; Oxidoreductase. FT CHAIN 1..521 FT /note="Cytochrome P450 1A1" FT /id="PRO_0000051637" FT BINDING 229 FT /ligand="substrate" FT /evidence="ECO:0000250" FT BINDING 463 FT /ligand="heme" FT /ligand_id="ChEBI:CHEBI:30413" FT /ligand_part="Fe" FT /ligand_part_id="ChEBI:CHEBI:18248" FT /note="axial binding residue" FT /evidence="ECO:0000250" SQ SEQUENCE 521 AA; 59063 MW; 11DE326C8A7FBDF9 CRC64; MMLMMLPFIG SVSVSESLVA MTTVCLVYLI LKFFQTEIPE GLRRLPGPKP LPIIGNVLEM GSRPYLSLTA MSKRYGNVFQ IQIGMRPVVV LSGSETVRQA LIKQGDDFAG RPDLYSFRFI NEGKSLAFST DKAGIWRARR KLAYSALRSF ATLEGTTPEY SCVLEEHVCK EGEYLIKQLN TAMTADGSFD PFRHIVVSVA NVICGMCFGR RYDHDDQELV GLVTLSDEFG RVVGSGNPAD FIPILQYLPS ATMKNFLRIN GRFTEFVQKI VTEHYTTFDK DNIRDITDSL IDHCEDRKLD ENSNVQMSDE KIVGIVNDLF GAGFDTVSTA LSWSVMYLVA HPEIQERLYQ EIEDKVGLDR MPLLSDKPNL PFLEAFILEI LRHSSFLPFT IPHCTTKDTS LNGYFIPKDT CVFINQWQIN HDPEMWKDPS SFNPDRFLSA DGSEVNKLDG EKVMAFGMGK RRCIGEVIAR NEVYLFLAIL IQKLHFLPIP GEKLDMTPEY GLTMKHKRCH LKATMRARNE H //