ID A0A166D272_9AGAM Unreviewed; 905 AA.
AC A0A166D272;
DT 06-JUL-2016, integrated into UniProtKB/TrEMBL.
DT 06-JUL-2016, sequence version 1.
DT 22-FEB-2023, entry version 27.
DE RecName: Full=Nitrate reductase {ECO:0000256|PIRNR:PIRNR000233};
GN ORFNames=SISSUDRAFT_1047659 {ECO:0000313|EMBL:KZT38057.1};
OS Sistotremastrum suecicum HHB10207 ss-3.
OC Eukaryota; Fungi; Dikarya; Basidiomycota; Agaricomycotina; Agaricomycetes;
OC Trechisporales; Trechisporales incertae sedis; Sistotremastrum.
OX NCBI_TaxID=1314776 {ECO:0000313|EMBL:KZT38057.1, ECO:0000313|Proteomes:UP000076798};
RN [1] {ECO:0000313|EMBL:KZT38057.1, ECO:0000313|Proteomes:UP000076798}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=HHB10207 ss-3 {ECO:0000313|EMBL:KZT38057.1,
RC ECO:0000313|Proteomes:UP000076798};
RX PubMed=26659563; DOI=10.1093/molbev/msv337;
RA Nagy L.G., Riley R., Tritt A., Adam C., Daum C., Floudas D., Sun H.,
RA Yadav J.S., Pangilinan J., Larsson K.H., Matsuura K., Barry K., Labutti K.,
RA Kuo R., Ohm R.A., Bhattacharya S.S., Shirouzu T., Yoshinaga Y.,
RA Martin F.M., Grigoriev I.V., Hibbett D.S.;
RT "Comparative Genomics of Early-Diverging Mushroom-Forming Fungi Provides
RT Insights into the Origins of Lignocellulose Decay Capabilities.";
RL Mol. Biol. Evol. 33:959-970(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}.
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DR EMBL; KV428071; KZT38057.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A166D272; -.
DR STRING; 1314776.A0A166D272; -.
DR Proteomes; UP000076798; Unassembled WGS sequence.
DR GO; GO:0016020; C:membrane; IEA:UniProtKB-KW.
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 Membrane {ECO:0000256|SAM:Phobius};
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};
KW Reference proteome {ECO:0000313|Proteomes:UP000076798};
KW Transmembrane {ECO:0000256|SAM:Phobius};
KW Transmembrane helix {ECO:0000256|SAM:Phobius}.
FT TRANSMEM 188..208
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT DOMAIN 551..625
FT /note="Cytochrome b5 heme-binding"
FT /evidence="ECO:0000259|PROSITE:PS50255"
FT DOMAIN 646..758
FT /note="FAD-binding FR-type"
FT /evidence="ECO:0000259|PROSITE:PS51384"
FT REGION 1..82
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT COMPBIAS 1..38
FT /note="Polar residues"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT BINDING 173
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 905 AA; 100947 MW; 71389BBCDFB64565 CRC64;
MSSSNSRRPR SSSSSSSTSS NSHSQNLSSP PSTASNGSPK LRDKEELKNS GSASGYPDIF
PPLPPNLTPD VAADADQGTP DSWVMRNPDL VRLTGKHPFN CESRLNVLFD AGFLTPSHLF
YVRNHGATPK VDEELADKWT VRVHGEIDNE TTFTLGDLKT KFQVVTLPIT LVCAGNRRKE
QNVVRKSLGF NWGAGGVSTA LFTGVYLADV LDYVKPKRGK AKHVIFEGID QLPNGPYGTS
QKLSWAAERS KGMLLSWAMN GLPLEPDHGY PLRVVIPGQI GGRSVKWLNR IEVSTQESQH
HLHFWDNKVL PTQVMPEQAR AEKHWWYDSK YLITELNTNS AIAQPDHEEI LERPSSKFAD
DSEEVYPVRG YAYAGGGRRV TRVEVSIDEG ETWRLADITY PEDLYRAVCY SDPVYGELDL
TDRDTCFCWC FWRFDVPLSK LEKAGALMVR AMDEGLSFQQ RDMYWNPTGM MNNWWFRVAV
HREVSGENIR LRFEHPTLAG VASGGWMERM KAAGQDYLNP SFSKASAKKV ASDAPAAAKP
QEVSMLKAGV DRKITSAELK AQQKETPWFV VQGQVYDGTA FLKEHPGGAD SILLVAGEDA
TEDFMAIHSP EGKLKLADHH IGTLSGPLEE TAIGEVDNSG PFLHKTIWKK VRLTEATRIS
HDSIIYRFAL ARPDQPLGLP VGQHVFVRLK RKDTGEIIQR AYTPVSQQNA VGFIDLLIKL
YLSSPQFPEG GKMTTGFHQL QIDDEIELKG PLGSFVWEGK GVARWRDIQI RPKKLGLICG
GSGITPILQV LRGVLQDEED KETQIWLLNA NKTEADILCN EELTNFMVSH GSTGRYRLHH
TLGRPPQNWT FSTGRINDDM LKNHLPPPDD DALVLICGPD SMIKQTVMPG LTRLGWDVPK
KLVIF
//
