ID A0A1J4KLM8_9EUKA Unreviewed; 1056 AA.
AC A0A1J4KLM8;
DT 15-FEB-2017, integrated into UniProtKB/TrEMBL.
DT 15-FEB-2017, sequence version 1.
DT 27-MAR-2024, entry version 26.
DE RecName: Full=xanthine dehydrogenase {ECO:0000256|ARBA:ARBA00013123};
DE EC=1.17.1.4 {ECO:0000256|ARBA:ARBA00013123};
GN Name=xdh {ECO:0000313|EMBL:OHT12123.1};
GN ORFNames=TRFO_03761 {ECO:0000313|EMBL:OHT12123.1};
OS Tritrichomonas foetus.
OC Eukaryota; Metamonada; Parabasalia; Tritrichomonadida; Tritrichomonadidae;
OC Tritrichomonas.
OX NCBI_TaxID=1144522 {ECO:0000313|EMBL:OHT12123.1, ECO:0000313|Proteomes:UP000179807};
RN [1] {ECO:0000313|Proteomes:UP000179807}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=K {ECO:0000313|Proteomes:UP000179807};
RA Benchimol M., Almeida L.G., Vasconcelos A.T., Perreira-Neves A., Rosa I.A.,
RA Tasca T., Bogo M.R., de Souza W.;
RL Submitted (OCT-2016) to the EMBL/GenBank/DDBJ databases.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=H2O + NAD(+) + xanthine = H(+) + NADH + urate;
CC Xref=Rhea:RHEA:16669, ChEBI:CHEBI:15377, ChEBI:CHEBI:15378,
CC ChEBI:CHEBI:17712, ChEBI:CHEBI:17775, ChEBI:CHEBI:57540,
CC ChEBI:CHEBI:57945; EC=1.17.1.4;
CC Evidence={ECO:0000256|ARBA:ARBA00000532};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=H2O + hypoxanthine + NAD(+) = H(+) + NADH + xanthine;
CC Xref=Rhea:RHEA:24670, ChEBI:CHEBI:15377, ChEBI:CHEBI:15378,
CC ChEBI:CHEBI:17368, ChEBI:CHEBI:17712, ChEBI:CHEBI:57540,
CC ChEBI:CHEBI:57945; EC=1.17.1.4;
CC Evidence={ECO:0000256|ARBA:ARBA00000239};
CC -!- COFACTOR:
CC Name=FAD; Xref=ChEBI:CHEBI:57692;
CC Evidence={ECO:0000256|ARBA:ARBA00001974,
CC ECO:0000256|PIRSR:PIRSR000127-2};
CC -!- COFACTOR:
CC Name=Mo-molybdopterin; Xref=ChEBI:CHEBI:71302;
CC Evidence={ECO:0000256|PIRSR:PIRSR000127-3};
CC Note=Binds 1 Mo-molybdopterin (Mo-MPT) cofactor per subunit.
CC {ECO:0000256|PIRSR:PIRSR000127-3};
CC -!- COFACTOR:
CC Name=[2Fe-2S] cluster; Xref=ChEBI:CHEBI:190135;
CC Evidence={ECO:0000256|ARBA:ARBA00034078};
CC -!- COFACTOR:
CC Name=[2Fe-2S] cluster; Xref=ChEBI:CHEBI:190135;
CC Evidence={ECO:0000256|PIRSR:PIRSR000127-3};
CC Note=Binds 2 [2Fe-2S] clusters. {ECO:0000256|PIRSR:PIRSR000127-3};
CC -!- SUBUNIT: Homodimer. {ECO:0000256|ARBA:ARBA00011738}.
CC -!- SIMILARITY: Belongs to the xanthine dehydrogenase family.
CC {ECO:0000256|ARBA:ARBA00006849}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:OHT12123.1}.
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DR EMBL; MLAK01000571; OHT12123.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A1J4KLM8; -.
DR VEuPathDB; TrichDB:TRFO_03761; -.
DR OrthoDB; 5485853at2759; -.
DR Proteomes; UP000179807; Unassembled WGS sequence.
DR GO; GO:0051537; F:2 iron, 2 sulfur cluster binding; IEA:UniProtKB-KW.
DR GO; GO:0071949; F:FAD binding; IEA:InterPro.
DR GO; GO:0005506; F:iron ion binding; IEA:InterPro.
DR GO; GO:0016491; F:oxidoreductase activity; IEA:UniProtKB-KW.
DR CDD; cd00207; fer2; 1.
DR Gene3D; 3.10.20.30; -; 1.
DR Gene3D; 3.30.465.10; -; 1.
DR Gene3D; 1.10.150.120; [2Fe-2S]-binding domain; 1.
DR Gene3D; 3.90.1170.50; Aldehyde oxidase/xanthine dehydrogenase, a/b hammerhead; 1.
DR Gene3D; 3.30.365.10; Aldehyde oxidase/xanthine dehydrogenase, molybdopterin binding domain; 2.
DR Gene3D; 3.30.390.50; CO dehydrogenase flavoprotein, C-terminal domain; 1.
DR Gene3D; 3.30.43.10; Uridine Diphospho-n-acetylenolpyruvylglucosamine Reductase, domain 2; 1.
DR InterPro; IPR002888; 2Fe-2S-bd.
DR InterPro; IPR036884; 2Fe-2S-bd_dom_sf.
DR InterPro; IPR036010; 2Fe-2S_ferredoxin-like_sf.
DR InterPro; IPR001041; 2Fe-2S_ferredoxin-type.
DR InterPro; IPR006058; 2Fe2S_fd_BS.
DR InterPro; IPR000674; Ald_Oxase/Xan_DH_a/b.
DR InterPro; IPR036856; Ald_Oxase/Xan_DH_a/b_sf.
DR InterPro; IPR016208; Ald_Oxase/xanthine_DH-like.
DR InterPro; IPR008274; AldOxase/xan_DH_MoCoBD1.
DR InterPro; IPR037165; AldOxase/xan_DH_Mopterin-bd_sf.
DR InterPro; IPR012675; Beta-grasp_dom_sf.
DR InterPro; IPR005107; CO_DH_flav_C.
DR InterPro; IPR036683; CO_DH_flav_C_dom_sf.
DR InterPro; IPR016166; FAD-bd_PCMH.
DR InterPro; IPR036318; FAD-bd_PCMH-like_sf.
DR InterPro; IPR016167; FAD-bd_PCMH_sub1.
DR InterPro; IPR016169; FAD-bd_PCMH_sub2.
DR InterPro; IPR002346; Mopterin_DH_FAD-bd.
DR PANTHER; PTHR11908; XANTHINE DEHYDROGENASE; 1.
DR PANTHER; PTHR11908:SF100; XANTHINE DEHYDROGENASE; 1.
DR Pfam; PF01315; Ald_Xan_dh_C; 1.
DR Pfam; PF03450; CO_deh_flav_C; 1.
DR Pfam; PF00941; FAD_binding_5; 1.
DR Pfam; PF00111; Fer2; 1.
DR Pfam; PF01799; Fer2_2; 1.
DR Pfam; PF02738; MoCoBD_1; 1.
DR PIRSF; PIRSF000127; Xanthine_DH; 1.
DR SMART; SM01008; Ald_Xan_dh_C; 1.
DR SMART; SM01092; CO_deh_flav_C; 1.
DR SUPFAM; SSF54292; 2Fe-2S ferredoxin-like; 1.
DR SUPFAM; SSF55447; CO dehydrogenase flavoprotein C-terminal domain-like; 1.
DR SUPFAM; SSF47741; CO dehydrogenase ISP C-domain like; 1.
DR SUPFAM; SSF54665; CO dehydrogenase molybdoprotein N-domain-like; 1.
DR SUPFAM; SSF56176; FAD-binding/transporter-associated domain-like; 1.
DR SUPFAM; SSF56003; Molybdenum cofactor-binding domain; 1.
DR PROSITE; PS00197; 2FE2S_FER_1; 1.
DR PROSITE; PS51085; 2FE2S_FER_2; 1.
DR PROSITE; PS51387; FAD_PCMH; 1.
PE 3: Inferred from homology;
KW 2Fe-2S {ECO:0000256|ARBA:ARBA00022714, ECO:0000256|PIRSR:PIRSR000127-3};
KW FAD {ECO:0000256|ARBA:ARBA00022827, ECO:0000256|PIRSR:PIRSR000127-2};
KW Flavoprotein {ECO:0000256|ARBA:ARBA00022630};
KW Iron {ECO:0000256|ARBA:ARBA00023004, ECO:0000256|PIRSR:PIRSR000127-3};
KW Iron-sulfur {ECO:0000256|ARBA:ARBA00023014, ECO:0000256|PIRSR:PIRSR000127-
KW 3};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723,
KW ECO:0000256|PIRSR:PIRSR000127-3};
KW Molybdenum {ECO:0000256|ARBA:ARBA00022505, ECO:0000256|PIRSR:PIRSR000127-
KW 3}; Oxidoreductase {ECO:0000256|ARBA:ARBA00023002};
KW Reference proteome {ECO:0000313|Proteomes:UP000179807}.
FT DOMAIN 31..120
FT /note="2Fe-2S ferredoxin-type"
FT /evidence="ECO:0000259|PROSITE:PS51085"
FT DOMAIN 255..454
FT /note="FAD-binding PCMH-type"
FT /evidence="ECO:0000259|PROSITE:PS51387"
FT REGION 597..625
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT COMPBIAS 602..617
FT /note="Polar residues"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT BINDING 73
FT /ligand="[2Fe-2S] cluster"
FT /ligand_id="ChEBI:CHEBI:190135"
FT /ligand_label="1"
FT /evidence="ECO:0000256|PIRSR:PIRSR000127-3"
FT BINDING 78
FT /ligand="[2Fe-2S] cluster"
FT /ligand_id="ChEBI:CHEBI:190135"
FT /ligand_label="1"
FT /evidence="ECO:0000256|PIRSR:PIRSR000127-3"
FT BINDING 81
FT /ligand="[2Fe-2S] cluster"
FT /ligand_id="ChEBI:CHEBI:190135"
FT /ligand_label="1"
FT /evidence="ECO:0000256|PIRSR:PIRSR000127-3"
FT BINDING 102
FT /ligand="[2Fe-2S] cluster"
FT /ligand_id="ChEBI:CHEBI:190135"
FT /ligand_label="1"
FT /evidence="ECO:0000256|PIRSR:PIRSR000127-3"
FT BINDING 142
FT /ligand="[2Fe-2S] cluster"
FT /ligand_id="ChEBI:CHEBI:190135"
FT /ligand_label="2"
FT /evidence="ECO:0000256|PIRSR:PIRSR000127-3"
FT BINDING 145
FT /ligand="[2Fe-2S] cluster"
FT /ligand_id="ChEBI:CHEBI:190135"
FT /ligand_label="2"
FT /evidence="ECO:0000256|PIRSR:PIRSR000127-3"
FT BINDING 196
FT /ligand="[2Fe-2S] cluster"
FT /ligand_id="ChEBI:CHEBI:190135"
FT /ligand_label="2"
FT /evidence="ECO:0000256|PIRSR:PIRSR000127-3"
FT BINDING 198
FT /ligand="[2Fe-2S] cluster"
FT /ligand_id="ChEBI:CHEBI:190135"
FT /ligand_label="2"
FT /evidence="ECO:0000256|PIRSR:PIRSR000127-3"
FT BINDING 287..294
FT /ligand="FAD"
FT /ligand_id="ChEBI:CHEBI:57692"
FT /evidence="ECO:0000256|PIRSR:PIRSR000127-2"
FT BINDING 375
FT /ligand="FAD"
FT /ligand_id="ChEBI:CHEBI:57692"
FT /evidence="ECO:0000256|PIRSR:PIRSR000127-2"
FT BINDING 385..389
FT /ligand="FAD"
FT /ligand_id="ChEBI:CHEBI:57692"
FT /evidence="ECO:0000256|PIRSR:PIRSR000127-2"
FT BINDING 398
FT /ligand="FAD"
FT /ligand_id="ChEBI:CHEBI:57692"
FT /evidence="ECO:0000256|PIRSR:PIRSR000127-2"
FT BINDING 462
FT /ligand="FAD"
FT /ligand_id="ChEBI:CHEBI:57692"
FT /evidence="ECO:0000256|PIRSR:PIRSR000127-2"
FT BINDING 844
FT /ligand="Mo-molybdopterin"
FT /ligand_id="ChEBI:CHEBI:71302"
FT /ligand_part="Mo"
FT /ligand_part_id="ChEBI:CHEBI:28685"
FT /evidence="ECO:0000256|PIRSR:PIRSR000127-3"
FT BINDING 875
FT /ligand="Mo-molybdopterin"
FT /ligand_id="ChEBI:CHEBI:71302"
FT /ligand_part="Mo"
FT /ligand_part_id="ChEBI:CHEBI:28685"
FT /evidence="ECO:0000256|PIRSR:PIRSR000127-3"
FT BINDING 879
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR000127-2"
FT BINDING 957
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR000127-2"
FT BINDING 989
FT /ligand="Mo-molybdopterin"
FT /ligand_id="ChEBI:CHEBI:71302"
FT /ligand_part="Mo"
FT /ligand_part_id="ChEBI:CHEBI:28685"
FT /evidence="ECO:0000256|PIRSR:PIRSR000127-3"
FT BINDING 991
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR000127-2"
SQ SEQUENCE 1056 AA; 118995 MW; 088D51A570EF9E64 CRC64;
MQVTIEYFIA FKRIEFKFVH TIRRFLAMVI SSITFNLNGQ RIELSEGEFN PSQTLAEFLR
SDSIHLVGTK IACGEGGCGA CTVVMSTKNK NGNIIHRAVN SCLILMIQIH LTTITTIEFL
GNLRDGVSAI HDSFVKHHAT QCGYCTPGFI MAAYAAFLNF NIHILGDDSD QKKKSENKEN
IEFDIEDTHQ LDGNLCRCTG YRSIISALRE FSNPENVSDE SISFDETKLR KYNLNERIPV
VPDYFDQLKD ETVKINYKNS TFFIPSNTEE LFRIKSECVD NDRYSKIIVG STEISIDLSN
KPIQSGQVYI STLHIEELSH VSIQQENNEN YLFFGSNTPL NYILSFLKSK KDEFFNKTKE
LNRFANQLIQ RIEQFCSNQI RNLASVVGNI AHGGAATDMS NFLLAMKALL VIKDVKSNET
YIKEMNNDFY LSYRKTSLKN SEIITAIKVA LPKENEFVST FKQGRRREDD ICIVSSTIFA
RINETSKIVD IRIAYSGMAA VPCRATDTEQ FLIGKTFDLS NLHDSFAQIN QQFVLNEETP
GGLPQFRYDI AKGFILRFFH QTQRDRNLPF DQSAAEMIDS PPKKKFEIRG CNCKKEKENN
KTSTSTNNTN TAGESESNSA DKENDLKDGV RSEVGYPRHH LSAAQQTTGE AVYVDDMMVP
QNTLHAAIVR SSIPHGRIIS VDYSQALSIS GVIAKIDKND VIGPNFNGDI FTGEHVFADD
EVHFVGQVIA LIVAKDPRIA KEAAKLVKIE YEELPAVLSI NQSIERRSFY PYNNQIKDGD
VSQLQSLPLT KNKTSPNVTK DGEKIHVIEG ETFINGQSHF YFETCSALVE YHEDDNLTVF
TVTQNPSMVQ NDISRLTGIP ASKINVVIKR IGGAFGGKET RPAVVFNTTA IASFKLKRPV
KTVLDRHEDM STQGQRHPVL TKYKVGFDDT GKIDSIILDY YLDCGFSLDM SAGVSDRLLL
HADSAYKIKN FLARGHLCRT NMITSTAFRG FGTPQAIVSM ETIIKNISIY LGKTPEEIQF
VNLYRVQQII FQMHLLLLDQ LVLILMEKLL KMHVSN
//
