ID A0A3B3ZQF2_9GOBI Unreviewed; 498 AA.
AC A0A3B3ZQF2;
DT 05-DEC-2018, integrated into UniProtKB/TrEMBL.
DT 05-DEC-2018, sequence version 1.
DT 24-JAN-2024, entry version 20.
DE SubName: Full=Uncharacterized protein {ECO:0000313|Ensembl:ENSPMGP00000006750.1};
OS Periophthalmus magnuspinnatus.
OC Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi;
OC Actinopterygii; Neopterygii; Teleostei; Neoteleostei; Acanthomorphata;
OC Gobiaria; Gobiiformes; Gobioidei; Gobiidae; Oxudercinae; Periophthalmus.
OX NCBI_TaxID=409849 {ECO:0000313|Ensembl:ENSPMGP00000006750.1, ECO:0000313|Proteomes:UP000261520};
RN [1] {ECO:0000313|Ensembl:ENSPMGP00000006750.1}
RP IDENTIFICATION.
RG Ensembl;
RL Submitted (SEP-2023) to UniProtKB.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=2 Cu(+) + H(+) + NADP(+) = 2 Cu(2+) + NADPH;
CC Xref=Rhea:RHEA:71771, ChEBI:CHEBI:15378, ChEBI:CHEBI:29036,
CC ChEBI:CHEBI:49552, ChEBI:CHEBI:57783, ChEBI:CHEBI:58349;
CC Evidence={ECO:0000256|ARBA:ARBA00036664};
CC PhysiologicalDirection=right-to-left; Xref=Rhea:RHEA:71773;
CC Evidence={ECO:0000256|ARBA:ARBA00036664};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=2 Fe(2+) + H(+) + NADP(+) = 2 Fe(3+) + NADPH;
CC Xref=Rhea:RHEA:71767, ChEBI:CHEBI:15378, ChEBI:CHEBI:29033,
CC ChEBI:CHEBI:29034, ChEBI:CHEBI:57783, ChEBI:CHEBI:58349;
CC Evidence={ECO:0000256|ARBA:ARBA00035766};
CC PhysiologicalDirection=right-to-left; Xref=Rhea:RHEA:71769;
CC Evidence={ECO:0000256|ARBA:ARBA00035766};
CC -!- COFACTOR:
CC Name=heme b; Xref=ChEBI:CHEBI:60344;
CC Evidence={ECO:0000256|ARBA:ARBA00001970};
CC -!- SUBCELLULAR LOCATION: Endosome membrane
CC {ECO:0000256|ARBA:ARBA00004337}; Multi-pass membrane protein
CC {ECO:0000256|ARBA:ARBA00004337}. Membrane
CC {ECO:0000256|ARBA:ARBA00004141}; Multi-pass membrane protein
CC {ECO:0000256|ARBA:ARBA00004141}.
CC -!- SIMILARITY: Belongs to the STEAP family.
CC {ECO:0000256|ARBA:ARBA00007729}.
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DR AlphaFoldDB; A0A3B3ZQF2; -.
DR STRING; 409849.ENSPMGP00000006750; -.
DR Ensembl; ENSPMGT00000007181.1; ENSPMGP00000006750.1; ENSPMGG00000005178.1.
DR Proteomes; UP000261520; Unplaced.
DR GO; GO:0010008; C:endosome membrane; IEA:UniProtKB-SubCell.
DR GO; GO:0006826; P:iron ion transport; IEA:UniProtKB-KW.
DR Gene3D; 3.40.50.720; NAD(P)-binding Rossmann-like Domain; 1.
DR InterPro; IPR013130; Fe3_Rdtase_TM_dom.
DR InterPro; IPR036291; NAD(P)-bd_dom_sf.
DR InterPro; IPR028939; P5C_Rdtase_cat_N.
DR PANTHER; PTHR14239; DUDULIN-RELATED; 1.
DR PANTHER; PTHR14239:SF8; METALLOREDUCTASE STEAP3; 1.
DR Pfam; PF03807; F420_oxidored; 1.
DR Pfam; PF01794; Ferric_reduct; 1.
DR SUPFAM; SSF51735; NAD(P)-binding Rossmann-fold domains; 1.
PE 3: Inferred from homology;
KW Copper {ECO:0000256|ARBA:ARBA00023008};
KW Endosome {ECO:0000256|ARBA:ARBA00022753};
KW Ion transport {ECO:0000256|ARBA:ARBA00022496};
KW Iron {ECO:0000256|ARBA:ARBA00022496};
KW Iron transport {ECO:0000256|ARBA:ARBA00022496};
KW Membrane {ECO:0000256|ARBA:ARBA00023136, ECO:0000256|SAM:Phobius};
KW Transmembrane {ECO:0000256|ARBA:ARBA00022692, ECO:0000256|SAM:Phobius};
KW Transmembrane helix {ECO:0000256|ARBA:ARBA00022989,
KW ECO:0000256|SAM:Phobius}; Transport {ECO:0000256|ARBA:ARBA00022496}.
FT TRANSMEM 228..251
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 271..295
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 316..338
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 371..391
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 403..424
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 444..470
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT DOMAIN 52..139
FT /note="Pyrroline-5-carboxylate reductase catalytic N-
FT terminal"
FT /evidence="ECO:0000259|Pfam:PF03807"
FT DOMAIN 273..407
FT /note="Ferric oxidoreductase"
FT /evidence="ECO:0000259|Pfam:PF01794"
SQ SEQUENCE 498 AA; 55179 MW; 8D1383D8853B95BE CRC64;
MQNYYRFFLK VQLINLPSSS QVSMAQSDMS TPLLDPQDPM ESVPLSVGDP MVCILGSGDF
SRSLSSRLRC CGCRVVVGSR DPQRLPPGLF PEGVELKTQR GALEGKGSLV FLALYPEHYP
SLLTLRPLLS GRILVDVSNA SSLKQEGLSN AQRLAQMFPC SSVVKGFNGL SAWTLLTGAY
DHSRQVSNEA CHSNLRLGFG AVDVGGLSAS RALEEAPLLL FPSWRGPLLT TMLLFSFFYL
YIALKNVLMP FLDRAENNLH HLPLITVNQA LPAVALVMLS LVYMPGLLAS VLQLYRGTKY
KRFPDWLDQW MCARKQLGLL SFLCAALHAV YSVCLSIRRA SGYMILNAAY QQVKAGVVDS
WVETQVWRSD LYLSSGILGL GVLCVLALTS LPSVGQALNW REFTFVQSGL GYTSLVLSVA
HVLFFGWDFA FLPRAYQYYL PPVFLLSLVL PCCVLIGRFL LLLPCCSVPL NRIRRGWESK
QNKPERERQE NGAVFGDV
//
