ID A0A100IIC0_ASPNG Unreviewed; 867 AA.
AC A0A100IIC0;
DT 13-APR-2016, integrated into UniProtKB/TrEMBL.
DT 13-APR-2016, sequence version 1.
DT 27-MAR-2024, entry version 35.
DE RecName: Full=Nitrate reductase {ECO:0000256|PIRNR:PIRNR000233};
GN ORFNames=ABL_04453 {ECO:0000313|EMBL:GAQ41792.1};
OS Aspergillus niger.
OC Eukaryota; Fungi; Dikarya; Ascomycota; Pezizomycotina; Eurotiomycetes;
OC Eurotiomycetidae; Eurotiales; Aspergillaceae; Aspergillus;
OC Aspergillus subgen. Circumdati.
OX NCBI_TaxID=5061 {ECO:0000313|EMBL:GAQ41792.1, ECO:0000313|Proteomes:UP000068243};
RN [1] {ECO:0000313|Proteomes:UP000068243}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=An76 {ECO:0000313|Proteomes:UP000068243};
RX PubMed=26893421; DOI=10.1128/genomeA.01700-15;
RA Gong W., Cheng Z., Zhang H., Liu L., Gao P., Wang L.;
RT "Draft genome sequence of Aspergillus niger strain An76.";
RL Genome Announc. 4:E0170015-E0170015(2016).
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, ECO:0000256|PIRNR:PIRNR000233}.
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|PIRSR:PIRSR000233-1};
CC Note=Binds 1 Mo-molybdopterin (Mo-MPT) cofactor per subunit.
CC {ECO:0000256|PIRSR:PIRSR000233-1};
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, ECO:0000256|PIRNR:PIRNR000233}.
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:GAQ41792.1}.
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; BCMY01000006; GAQ41792.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A100IIC0; -.
DR SMR; A0A100IIC0; -.
DR VEuPathDB; FungiDB:An08g05610; -.
DR VEuPathDB; FungiDB:ASPNIDRAFT2_1129386; -.
DR VEuPathDB; FungiDB:ATCC64974_101980; -.
DR VEuPathDB; FungiDB:M747DRAFT_296682; -.
DR OMA; KAMMPDY; -.
DR Proteomes; UP000068243; 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:0043546; F:molybdopterin cofactor 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 GO; GO:0006809; P:nitric oxide biosynthetic process; IEA:InterPro.
DR CDD; cd06183; cyt_b5_reduct_like; 1.
DR Gene3D; 2.60.40.650; -; 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; IPR012137; Nitr_rd_NADH.
DR InterPro; IPR001433; OxRdtase_FAD/NAD-bd.
DR InterPro; IPR000572; OxRdtase_Mopterin-bd_dom.
DR InterPro; IPR036374; OxRdtase_Mopterin-bd_sf.
DR InterPro; IPR022407; OxRdtase_Mopterin_BS.
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 PIRSF; PIRSF000233; Nitr_rd_NADH; 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.
DR PROSITE; PS00559; MOLYBDOPTERIN_EUK; 1.
PE 3: Inferred from homology;
KW Disulfide bond {ECO:0000256|ARBA:ARBA00023157};
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 ECO:0000256|PIRSR:PIRSR000233-1};
KW Molybdenum {ECO:0000256|ARBA:ARBA00022505, ECO:0000256|PIRSR:PIRSR000233-
KW 1};
KW Nitrate assimilation {ECO:0000256|ARBA:ARBA00023063,
KW ECO:0000256|PIRNR:PIRNR000233};
KW Oxidoreductase {ECO:0000256|ARBA:ARBA00023002}.
FT DOMAIN 514..589
FT /note="Cytochrome b5 heme-binding"
FT /evidence="ECO:0000259|PROSITE:PS50255"
FT DOMAIN 615..726
FT /note="FAD-binding FR-type"
FT /evidence="ECO:0000259|PROSITE:PS51384"
FT REGION 37..58
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT BINDING 152
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:PIRSR000233-1"
SQ SEQUENCE 867 AA; 97240 MW; CCF5349C0DC1AB73 CRC64;
MATVTEVLTE PFTAQGVALK SGPIKVHQEE LPAVELPDIP LPPPSKEPTE VLNIDKPTPD
YHVPRDPRLI RLTGVHPFNV EPPLTALYDE GFLTSPELFY VRNHGPVPLV KDEDIPNWEI
SIEGLVEKPL VLNFREILQK YDQITAPITL VCAGNRRKEQ NVVRKTKGFS WGSAGLSTAL
WTGPMMADIL RSAKPLRKAK YVCMEGADKL PNGYYGTSVK LNWAMDPNRG IMLAHKMNGE
DLRPDHGRPL RAVVPGQIGG RSVKWLKKLI LTDAPSDNWY HIYDNRVLPT MVSPEMSSSD
PNWWRDDRYA IYDLNVNSSV VYPEHKEVLD LASAGPSYNV KGYAYAGGGR RITRVEISLD
KGKSWRLANI SYAEDKYRDF EGDLFGGRVD MSWRETCFCW SFWSLDIAIP ELENTDAILV
RAMDEALSLQ PRDMYWSVLG MMNNPWFRVT ITKENGTLRF EHPTDPTGPG GWMERVKKAG
GDLVNGNWGE RHAGEEPAEP EPEKEINMKK DGVNRMIDLE EFKKNSSDEK PWFIVNGEVY
DGTAFLEGHP GGAQSIISSA GIDVSEEFLA IHSETAKAMM PDYHIGTMDK ASLEALKNDS
APESDEPRAT FLQSKSWSKM TLVKRKDVSW DTRIFTFQLQ HDKQTLGLPI GQHLMIKVAD
PTSKEAIIRS YTPISDTNQE GTMDLLVKIY FDTPTVKGGK MTMALEKLAL GSEIDCKGPT
GRFEYLGNGK IMVSGKERHV NSFKMICGGT GITPVFQVLR AVIQDKQDPT SCVVLDGNRQ
EEDILCRDEL DAYEALDSKK CKVVHTLTKA PDSWTGRRGR ISEDLLKEYA IPDGKSMVLI
CGPEAMEKSA RKILLEQGWA ESDLHFF
//
