ID A0A3P9N2Q2_POERE Unreviewed; 445 AA.
AC A0A3P9N2Q2;
DT 13-FEB-2019, integrated into UniProtKB/TrEMBL.
DT 13-FEB-2019, sequence version 1.
DT 24-JAN-2024, entry version 27.
DE RecName: Full=tryptophan 5-monooxygenase {ECO:0000256|ARBA:ARBA00012002};
DE EC=1.14.16.4 {ECO:0000256|ARBA:ARBA00012002};
OS Poecilia reticulata (Guppy) (Acanthophacelus reticulatus).
OC Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi;
OC Actinopterygii; Neopterygii; Teleostei; Neoteleostei; Acanthomorphata;
OC Ovalentaria; Atherinomorphae; Cyprinodontiformes; Poeciliidae; Poeciliinae;
OC Poecilia.
OX NCBI_TaxID=8081 {ECO:0000313|Ensembl:ENSPREP00000003787.1, ECO:0000313|Proteomes:UP000242638};
RN [1] {ECO:0000313|Proteomes:UP000242638}
RP NUCLEOTIDE SEQUENCE.
RC STRAIN=Guanapo {ECO:0000313|Proteomes:UP000242638};
RA Kuenstner A., Dreyer C.;
RT "The genomic landscape of the Guanapo guppy.";
RL Submitted (NOV-2013) to the EMBL/GenBank/DDBJ databases.
RN [2] {ECO:0000313|Ensembl:ENSPREP00000003787.1}
RP IDENTIFICATION.
RC STRAIN=Guanapo {ECO:0000313|Ensembl:ENSPREP00000003787.1};
RG Ensembl;
RL Submitted (SEP-2023) to UniProtKB.
CC -!- FUNCTION: Oxidizes L-tryptophan to 5-hydroxy-l-tryptophan in the rate-
CC determining step of serotonin biosynthesis.
CC {ECO:0000256|ARBA:ARBA00037406}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=(6R)-L-erythro-5,6,7,8-tetrahydrobiopterin + L-tryptophan + O2
CC = (4aS,6R)-4a-hydroxy-L-erythro-5,6,7,8-tetrahydrobiopterin + 5-
CC hydroxy-L-tryptophan; Xref=Rhea:RHEA:16709, ChEBI:CHEBI:15379,
CC ChEBI:CHEBI:15642, ChEBI:CHEBI:57912, ChEBI:CHEBI:58266,
CC ChEBI:CHEBI:59560; EC=1.14.16.4;
CC Evidence={ECO:0000256|ARBA:ARBA00001456};
CC -!- COFACTOR:
CC Name=Fe(2+); Xref=ChEBI:CHEBI:29033;
CC Evidence={ECO:0000256|ARBA:ARBA00001954,
CC ECO:0000256|PIRSR:PIRSR601273-2};
CC -!- PATHWAY: Aromatic compound metabolism; serotonin biosynthesis;
CC serotonin from L-tryptophan: step 1/2. {ECO:0000256|ARBA:ARBA00004783}.
CC -!- SUBUNIT: Homotetramer. {ECO:0000256|ARBA:ARBA00011881}.
CC -!- SIMILARITY: Belongs to the biopterin-dependent aromatic amino acid
CC hydroxylase family. {ECO:0000256|ARBA:ARBA00009712}.
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DR AlphaFoldDB; A0A3P9N2Q2; -.
DR STRING; 8081.ENSPREP00000003787; -.
DR Ensembl; ENSPRET00000003842.1; ENSPREP00000003787.1; ENSPREG00000002705.1.
DR GeneTree; ENSGT00950000182885; -.
DR OMA; GHQDNLM; -.
DR UniPathway; UPA00846; UER00799.
DR Proteomes; UP000242638; Unassembled WGS sequence.
DR GO; GO:0005506; F:iron ion binding; IEA:InterPro.
DR GO; GO:0004510; F:tryptophan 5-monooxygenase activity; IEA:UniProtKB-EC.
DR GO; GO:0009072; P:aromatic amino acid metabolic process; IEA:InterPro.
DR GO; GO:0042427; P:serotonin biosynthetic process; IEA:UniProtKB-UniPathway.
DR CDD; cd04929; ACT_TPH; 1.
DR CDD; cd03346; eu_TrpOH; 1.
DR Gene3D; 1.10.800.10; Aromatic amino acid hydroxylase; 1.
DR InterPro; IPR045865; ACT-like_dom_sf.
DR InterPro; IPR002912; ACT_dom.
DR InterPro; IPR001273; ArAA_hydroxylase.
DR InterPro; IPR018301; ArAA_hydroxylase_Fe/CU_BS.
DR InterPro; IPR036951; ArAA_hydroxylase_sf.
DR InterPro; IPR036329; Aro-AA_hydroxylase_C_sf.
DR InterPro; IPR019774; Aromatic-AA_hydroxylase_C.
DR InterPro; IPR005963; Trp_5_mOase.
DR InterPro; IPR041904; TrpOH_cat.
DR InterPro; IPR019773; Tyrosine_3-monooxygenase-like.
DR NCBIfam; TIGR01270; Trp_5_monoox; 1.
DR PANTHER; PTHR11473; AROMATIC AMINO ACID HYDROXYLASE; 1.
DR PANTHER; PTHR11473:SF23; TRYPTOPHAN 5-HYDROXYLASE 1; 1.
DR Pfam; PF00351; Biopterin_H; 1.
DR PIRSF; PIRSF000336; TH; 1.
DR PRINTS; PR00372; FYWHYDRXLASE.
DR SUPFAM; SSF55021; ACT-like; 1.
DR SUPFAM; SSF56534; Aromatic aminoacid monoxygenases, catalytic and oligomerization domains; 1.
DR PROSITE; PS51671; ACT; 1.
DR PROSITE; PS00367; BH4_AAA_HYDROXYL_1; 1.
DR PROSITE; PS51410; BH4_AAA_HYDROXYL_2; 1.
PE 3: Inferred from homology;
KW Iron {ECO:0000256|ARBA:ARBA00023004, ECO:0000256|PIRSR:PIRSR000336-1};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723,
KW ECO:0000256|PIRSR:PIRSR000336-1};
KW Monooxygenase {ECO:0000256|ARBA:ARBA00023033};
KW Oxidoreductase {ECO:0000256|ARBA:ARBA00023002};
KW Reference proteome {ECO:0000313|Proteomes:UP000242638};
KW Serotonin biosynthesis {ECO:0000256|ARBA:ARBA00023094}.
FT DOMAIN 20..95
FT /note="ACT"
FT /evidence="ECO:0000259|PROSITE:PS51671"
FT DOMAIN 94..440
FT /note="Biopterin-dependent aromatic amino acid hydroxylase
FT family profile"
FT /evidence="ECO:0000259|PROSITE:PS51410"
FT BINDING 236
FT /ligand="L-tryptophan"
FT /ligand_id="ChEBI:CHEBI:57912"
FT /evidence="ECO:0000256|PIRSR:PIRSR601273-1"
FT BINDING 258
FT /ligand="L-tryptophan"
FT /ligand_id="ChEBI:CHEBI:57912"
FT /evidence="ECO:0000256|PIRSR:PIRSR601273-1"
FT BINDING 266
FT /ligand="L-tryptophan"
FT /ligand_id="ChEBI:CHEBI:57912"
FT /evidence="ECO:0000256|PIRSR:PIRSR601273-1"
FT BINDING 273
FT /ligand="Fe cation"
FT /ligand_id="ChEBI:CHEBI:24875"
FT /evidence="ECO:0000256|PIRSR:PIRSR000336-1"
FT BINDING 278
FT /ligand="Fe cation"
FT /ligand_id="ChEBI:CHEBI:24875"
FT /evidence="ECO:0000256|PIRSR:PIRSR000336-1"
FT BINDING 318
FT /ligand="Fe cation"
FT /ligand_id="ChEBI:CHEBI:24875"
FT /evidence="ECO:0000256|PIRSR:PIRSR000336-1"
FT BINDING 337
FT /ligand="L-tryptophan"
FT /ligand_id="ChEBI:CHEBI:57912"
FT /evidence="ECO:0000256|PIRSR:PIRSR601273-1"
FT BINDING 367
FT /ligand="L-tryptophan"
FT /ligand_id="ChEBI:CHEBI:57912"
FT /evidence="ECO:0000256|PIRSR:PIRSR601273-1"
SQ SEQUENCE 445 AA; 51210 MW; 7BE21A5D8C8C4A3B CRC64;
SQNFHIENLH NNLQRNKAAT IIFTLKNEVG GLIRALKLFQ EKHVHLVHIE SRKSKRRDSD
FEIFINCDSE NEQLKELTEL LRTHTEIVEM TPSGNSSLLH DGLDYVPWFP TKISDLDLCA
NRVLMYGSEL DADHPGFKDQ IYRKRRKYFA DLAMNFKHGD QIPRIDYTPE EVRTWGMVFQ
ELNKLYPSHA CKEYLKNLPL LTRYCKYSEN NIPQLEDVSR FLMERSGFSI RPVAGYLSPR
DFLAGLAFRV FHCTQYVRHG SEPLYTPEPD TCHEVLGHVP LLAEPSFAQF SQELGLASLG
ASDEDVQKLA TCYFFTVEFG LCKQDGGLRA YGAGLLSSAS ELKHALSGEA NIRPFDPVVT
CNQECMITTF QEVYFVAESF EEAKNKMREF AKTLKRPFTV NYNPYTQSVD VLRDTSNINN
MVKDIRHELD IVEDALRRLG KLQRD
//