ID CP19A_ANGJA Reviewed; 511 AA. AC Q6QHT9; DT 24-MAY-2005, integrated into UniProtKB/Swiss-Prot. DT 05-JUL-2004, sequence version 1. DT 27-MAR-2024, entry version 74. DE RecName: Full=Aromatase; DE EC=1.14.14.14 {ECO:0000250|UniProtKB:P11511}; DE AltName: Full=CYPXIX; DE AltName: Full=Cytochrome P-450AROM; DE AltName: Full=Cytochrome P450 19A1; DE AltName: Full=Estrogen synthase; GN Name=cyp19a1; Synonyms=cyp19; OS Anguilla japonica (Japanese eel). OC Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; OC Actinopterygii; Neopterygii; Teleostei; Anguilliformes; Anguillidae; OC Anguilla. OX NCBI_TaxID=7937; RN [1] RP NUCLEOTIDE SEQUENCE [MRNA], FUNCTION, AND TISSUE SPECIFICITY. RC TISSUE=Ovary; RX PubMed=12568797; DOI=10.1016/s0016-6480(02)00589-0; RA Ijiri S., Kazeto Y., Lokman P.M., Adachi S., Yamauchi K.; RT "Characterization of a cDNA encoding P-450 aromatase (CYP19) from Japanese RT eel ovary and its expression in ovarian follicles during induced ovarian RT development."; RL Gen. Comp. Endocrinol. 130:193-203(2003). CC -!- FUNCTION: Catalyzes the formation of aromatic C18 estrogens from C19 CC androgens. {ECO:0000269|PubMed:12568797}. CC -!- CATALYTIC ACTIVITY: CC Reaction=3 O2 + 3 reduced [NADPH--hemoprotein reductase] + testosterone CC = 17beta-estradiol + formate + 4 H(+) + 4 H2O + 3 oxidized CC [NADPH--hemoprotein reductase]; Xref=Rhea:RHEA:38191, Rhea:RHEA- CC COMP:11964, Rhea:RHEA-COMP:11965, ChEBI:CHEBI:15377, CC ChEBI:CHEBI:15378, ChEBI:CHEBI:15379, ChEBI:CHEBI:15740, CC ChEBI:CHEBI:16469, ChEBI:CHEBI:17347, ChEBI:CHEBI:57618, CC ChEBI:CHEBI:58210; EC=1.14.14.14; CC Evidence={ECO:0000250|UniProtKB:P11511}; CC -!- CATALYTIC ACTIVITY: CC Reaction=androst-4-ene-3,17-dione + 3 O2 + 3 reduced CC [NADPH--hemoprotein reductase] = estrone + formate + 4 H(+) + 4 H2O + CC 3 oxidized [NADPH--hemoprotein reductase]; Xref=Rhea:RHEA:38195, CC Rhea:RHEA-COMP:11964, Rhea:RHEA-COMP:11965, ChEBI:CHEBI:15377, CC ChEBI:CHEBI:15378, ChEBI:CHEBI:15379, ChEBI:CHEBI:15740, CC ChEBI:CHEBI:16422, ChEBI:CHEBI:17263, ChEBI:CHEBI:57618, CC ChEBI:CHEBI:58210; EC=1.14.14.14; CC Evidence={ECO:0000250|UniProtKB:P11511}; CC -!- COFACTOR: CC Name=heme; Xref=ChEBI:CHEBI:30413; Evidence={ECO:0000250}; CC -!- SUBCELLULAR LOCATION: Membrane; Peripheral membrane protein. CC -!- TISSUE SPECIFICITY: Expressed in ovary. It is also found in the brain, CC but not in the spleen, head kidney, kidney or liver. CC {ECO:0000269|PubMed:12568797}. 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; AY540622; AAS47028.1; -; mRNA. DR AlphaFoldDB; Q6QHT9; -. DR SMR; Q6QHT9; -. DR GO; GO:0016020; C:membrane; IEA:UniProtKB-SubCell. DR GO; GO:0020037; F:heme binding; IEA:InterPro. DR GO; GO:0005506; F:iron ion binding; IEA:InterPro. DR GO; GO:0004497; F:monooxygenase activity; IEA:UniProtKB-KW. DR GO; GO:0016705; F:oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen; IEA:InterPro. DR GO; GO:0048856; P:anatomical structure development; IEA:UniProt. DR GO; GO:0006629; P:lipid metabolic process; IEA:UniProtKB-KW. DR CDD; cd20616; CYP19A1; 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; IPR036396; Cyt_P450_sf. DR PANTHER; PTHR24291:SF43; AROMATASE; 1. DR PANTHER; PTHR24291; CYTOCHROME P450 FAMILY 4; 1. DR Pfam; PF00067; p450; 1. DR PRINTS; PR00463; EP450I. DR PRINTS; PR00385; P450. DR SUPFAM; SSF48264; Cytochrome P450; 1. DR PROSITE; PS00086; CYTOCHROME_P450; 1. PE 2: Evidence at transcript level; KW Heme; Iron; Lipid metabolism; Membrane; Metal-binding; Monooxygenase; KW Oxidoreductase. FT CHAIN 1..511 FT /note="Aromatase" FT /id="PRO_0000051966" SQ SEQUENCE 511 AA; 58308 MW; EAB2203A8A48D8C5 CRC64; MKHLEEIVME ALMPASRNAT QTAGRVVSGA TAALLSGATA ALLLLLCALL AAWSRSDKSS VPGPPFYMGI GPLLSYFRFI WTGIGTASNY YNERYGDIVR VWINGEETII LSRSSAVYQV LRKPQYTSRF GSKQGLRCIG MHERGIIFNN NIELWKKVRT YFAKALTGPG LQRTVAICVA STDSHLDQLE ELTDLSGQVD ILNLLRCTIV DISNQMFLRV PLNEKELLVK IQKYFEAWQT VLIRPDFLFK FEWMYKEHKE AAHELHEAME ILVEKKRKAL EEAEKLDDAD FATDLIFAQN HGELSAENVQ QCILEMIIAA PDTMSISLFF MLMLLKQNPE VEQEILKELD TVIGDKKAEN SNLQHLIIME SFINESLRYH PVVDFTMRKS LEDDVIEGYK VFKGTNIILN VGRMHKCEFF SKPNEFSLEN FEKTVPNRFF QPFGSGPRSC VGKHISMVMM KAILATLLSR YTMCPRDGRT LNNIRKTNNL SQQLAEKDSE LTMMFTPRRR Q //