ID F0UMG9_AJEC8 Unreviewed; 855 AA.
AC F0UMG9;
DT 03-MAY-2011, integrated into UniProtKB/TrEMBL.
DT 03-MAY-2011, sequence version 1.
DT 24-JAN-2024, entry version 54.
DE RecName: Full=Nitrate reductase [NADPH] {ECO:0000256|ARBA:ARBA00015499};
DE EC=1.7.1.3 {ECO:0000256|ARBA:ARBA00012673};
GN ORFNames=HCEG_06528 {ECO:0000313|EMBL:EGC47313.1};
OS Ajellomyces capsulatus (strain H88) (Darling's disease fungus) (Histoplasma
OS capsulatum).
OC Eukaryota; Fungi; Dikarya; Ascomycota; Pezizomycotina; Eurotiomycetes;
OC Eurotiomycetidae; Onygenales; Ajellomycetaceae; Histoplasma.
OX NCBI_TaxID=544711 {ECO:0000313|Proteomes:UP000008142};
RN [1] {ECO:0000313|Proteomes:UP000008142}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=H88 {ECO:0000313|Proteomes:UP000008142};
RA Champion M., Cuomo C., Ma L.-J., Henn M.R., Sil A., Goldman B., Young S.K.,
RA Kodira C.D., Zeng Q., Koehrsen M., Alvarado L., Berlin A., Borenstein D.,
RA Chen Z., Engels R., Freedman E., Gellesch M., Goldberg J., Griggs A.,
RA Gujja S., Heiman D., Hepburn T., Howarth C., Jen D., Larson L., Lewis B.,
RA Mehta T., Park D., Pearson M., Roberts A., Saif S., Shea T., Shenoy N.,
RA Sisk P., Stolte C., Sykes S., Walk T., White J., Yandava C., Klein B.,
RA McEwen J.G., Puccia R., Goldman G.H., Felipe M.S., Nino-Vega G.,
RA San-Blas G., Taylor J., Mendoza L., Galagan J., Nusbaum C., Birren B.;
RT "Annotation of Ajellomyces capsulatus strain H88.";
RL Submitted (JUL-2008) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Nitrate reductase is a key enzyme involved in the first step
CC of nitrate assimilation in plants, fungi and bacteria.
CC {ECO:0000256|ARBA:ARBA00003838}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=H2O + NADP(+) + nitrite = H(+) + NADPH + nitrate;
CC Xref=Rhea:RHEA:19061, ChEBI:CHEBI:15377, ChEBI:CHEBI:15378,
CC ChEBI:CHEBI:16301, ChEBI:CHEBI:17632, ChEBI:CHEBI:57783,
CC ChEBI:CHEBI:58349; EC=1.7.1.3;
CC Evidence={ECO:0000256|ARBA:ARBA00000195};
CC -!- COFACTOR:
CC Name=FAD; Xref=ChEBI:CHEBI:57692;
CC Evidence={ECO:0000256|ARBA:ARBA00001974};
CC -!- COFACTOR:
CC Name=Mo-molybdopterin; Xref=ChEBI:CHEBI:71302;
CC Evidence={ECO:0000256|ARBA:ARBA00001924};
CC -!- COFACTOR:
CC Name=heme; Xref=ChEBI:CHEBI:30413;
CC Evidence={ECO:0000256|ARBA:ARBA00001971};
CC -!- SUBUNIT: Homodimer. {ECO:0000256|ARBA:ARBA00011738}.
CC -!- SIMILARITY: Belongs to the nitrate reductase family.
CC {ECO:0000256|ARBA:ARBA00006253}.
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DR EMBL; DS990640; EGC47313.1; -; Genomic_DNA.
DR AlphaFoldDB; F0UMG9; -.
DR STRING; 544711.F0UMG9; -.
DR VEuPathDB; FungiDB:I7I53_00764; -.
DR HOGENOM; CLU_003827_4_0_1; -.
DR OMA; KAMMPDY; -.
DR Proteomes; UP000008142; Unassembled WGS sequence.
DR GO; GO:0020037; F:heme binding; IEA:InterPro.
DR GO; GO:0030151; F:molybdenum ion binding; IEA:InterPro.
DR GO; GO:0050464; F:nitrate reductase (NADPH) activity; IEA:UniProtKB-EC.
DR GO; GO:0042128; P:nitrate assimilation; IEA:UniProtKB-KW.
DR CDD; cd06183; cyt_b5_reduct_like; 1.
DR Gene3D; 3.10.120.10; Cytochrome b5-like heme/steroid binding domain; 1.
DR Gene3D; 3.40.50.80; Nucleotide-binding domain of ferredoxin-NADP reductase (FNR) module; 1.
DR Gene3D; 3.90.420.10; Oxidoreductase, molybdopterin-binding domain; 1.
DR Gene3D; 2.40.30.10; Translation factors; 1.
DR InterPro; IPR008333; Cbr1-like_FAD-bd_dom.
DR InterPro; IPR001199; Cyt_B5-like_heme/steroid-bd.
DR InterPro; IPR036400; Cyt_B5-like_heme/steroid_sf.
DR InterPro; IPR018506; Cyt_B5_heme-BS.
DR InterPro; IPR017927; FAD-bd_FR_type.
DR InterPro; IPR001709; Flavoprot_Pyr_Nucl_cyt_Rdtase.
DR InterPro; IPR039261; FNR_nucleotide-bd.
DR InterPro; IPR014756; Ig_E-set.
DR InterPro; IPR005066; MoCF_OxRdtse_dimer.
DR InterPro; IPR008335; Mopterin_OxRdtase_euk.
DR InterPro; IPR001433; OxRdtase_FAD/NAD-bd.
DR InterPro; IPR000572; OxRdtase_Mopterin-bd_dom.
DR InterPro; IPR036374; OxRdtase_Mopterin-bd_sf.
DR InterPro; IPR017938; Riboflavin_synthase-like_b-brl.
DR PANTHER; PTHR19372:SF7; SULFITE OXIDASE, MITOCHONDRIAL; 1.
DR PANTHER; PTHR19372; SULFITE REDUCTASE; 1.
DR Pfam; PF00173; Cyt-b5; 1.
DR Pfam; PF00970; FAD_binding_6; 1.
DR Pfam; PF03404; Mo-co_dimer; 1.
DR Pfam; PF00175; NAD_binding_1; 1.
DR Pfam; PF00174; Oxidored_molyb; 1.
DR PRINTS; PR00406; CYTB5RDTASE.
DR PRINTS; PR00363; CYTOCHROMEB5.
DR PRINTS; PR00407; EUMOPTERIN.
DR PRINTS; PR00371; FPNCR.
DR SMART; SM01117; Cyt-b5; 1.
DR SUPFAM; SSF55856; Cytochrome b5-like heme/steroid binding domain; 1.
DR SUPFAM; SSF81296; E set domains; 1.
DR SUPFAM; SSF52343; Ferredoxin reductase-like, C-terminal NADP-linked domain; 1.
DR SUPFAM; SSF56524; Oxidoreductase molybdopterin-binding domain; 1.
DR SUPFAM; SSF63380; Riboflavin synthase domain-like; 1.
DR PROSITE; PS00191; CYTOCHROME_B5_1; 1.
DR PROSITE; PS50255; CYTOCHROME_B5_2; 1.
DR PROSITE; PS51384; FAD_FR; 1.
PE 3: Inferred from homology;
KW FAD {ECO:0000256|ARBA:ARBA00022827};
KW Flavoprotein {ECO:0000256|ARBA:ARBA00022630};
KW Heme {ECO:0000256|ARBA:ARBA00022617}; Iron {ECO:0000256|ARBA:ARBA00023004};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723};
KW Molybdenum {ECO:0000256|ARBA:ARBA00022505};
KW NADP {ECO:0000256|ARBA:ARBA00022857};
KW Nitrate assimilation {ECO:0000256|ARBA:ARBA00023063};
KW Oxidoreductase {ECO:0000256|ARBA:ARBA00023002};
KW Reference proteome {ECO:0000313|Proteomes:UP000008142}.
FT DOMAIN 495..570
FT /note="Cytochrome b5 heme-binding"
FT /evidence="ECO:0000259|PROSITE:PS50255"
FT DOMAIN 597..709
FT /note="FAD-binding FR-type"
FT /evidence="ECO:0000259|PROSITE:PS51384"
SQ SEQUENCE 855 AA; 95077 MW; BE00DF3C02D4EFD7 CRC64;
MAAAELGEST VALSLAANPD KLRVALRAPA TAHSTLFCRT ARRLRGSLIG FTYGRWIFIL
LMPIPLVSEI IPVNRNIYEF NIKMESIMRL EDFPTVLIQK KSLVPHISQQ PAHAEKGAPR
AAYIPLPPPS KEPTEILDID KDTPDKHVPR DPRLIRLTGI HPFNVEPPLT SLYDEGFLTS
PELFYVRNHG SVPEVRQADI PDWQLSVEGL VQSPLVLNLA QILTEFEQIT APITLVCAGN
RRKEQNQVRK SKGFSWGAAG VSTALFTGPL MSSILQRAKL LPGAKYVCME GADKLPNGCY
GTSIKLNWAM DPNKRIMLAH KMNGEPLRPD HGRPLRAVVP GQIAWRLANI EYPEDKYREV
DQNLYGGKID MSWQETCFCW CFWSLKISTT ELEGSDGILV RAMDEAMNIQ PRNMYWSVLG
MMNNPWFCVA ITKQDGYLRF EHPTQPALIP GGWMERVKRN GGDLVNGNWG AMVEGCEKPA
VMEGPKIDLK KPGLNITISL ENFRRHQIGP QPWFALEGEV YDGTAFLNEH PGGAQSILSA
AGLDITEEFM AIHSETAKVM MSDYHIGSLD LSSQETLKND TNESALSPSR EVFLNSKFWA
PSSLRSKTVV SPDSRLFTFR LSHGSQFLGL PVGNHVMLKI DDPSTGETII RAYTPISKQD
SRGTIDILVK LYPSTPNHPN GGKMTTAMDK LPLGAVVKFK GPIGKFEYLG NGEVLLNEKK
RYVQSFHMIC AGSGITPIFQ ILRAVIEDPE DRTSCVVLDG NRTEADILCR AELDDFMTEN
SNGKCRIVHT LTQPSSVWTG RKGRISEDLL LEYVPVNAKG NVNSLVLVCG PEALEVAVRN
TLLSMGWNEC DLIFF
//