ID B7Z7Z3_HUMAN Unreviewed; 1170 AA.
AC B7Z7Z3;
DT 03-MAR-2009, integrated into UniProtKB/TrEMBL.
DT 03-MAR-2009, sequence version 1.
DT 24-JAN-2024, entry version 86.
DE RecName: Full=Nitric oxide synthase {ECO:0000256|PIRNR:PIRNR000333};
DE EC=1.14.13.39 {ECO:0000256|PIRNR:PIRNR000333};
OS Homo sapiens (Human).
OC Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia;
OC Eutheria; Euarchontoglires; Primates; Haplorrhini; Catarrhini; Hominidae;
OC Homo.
OX NCBI_TaxID=9606 {ECO:0000313|EMBL:BAH13779.1};
RN [1] {ECO:0000313|EMBL:BAH13779.1}
RP NUCLEOTIDE SEQUENCE.
RC TISSUE=Testis {ECO:0000313|EMBL:BAH13779.1};
RA Wakamatsu A., Yamamoto J., Kimura K., Ishii S., Watanabe K., Sugiyama A.,
RA Murakawa K., Kaida T., Tsuchiya K., Fukuzumi Y., Kumagai A., Oishi Y.,
RA Yamamoto S., Ono Y., Komori Y., Yamazaki M., Kisu Y., Nishikawa T.,
RA Sugano S., Nomura N., Isogai T.;
RT "NEDO human cDNA sequencing project focused on splicing variants.";
RL Submitted (OCT-2007) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Produces nitric oxide (NO) which is a messenger molecule with
CC diverse functions. {ECO:0000256|PIRNR:PIRNR000333}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=H(+) + 2 L-arginine + 3 NADPH + 4 O2 = 4 H2O + 2 L-citrulline
CC + 3 NADP(+) + 2 nitric oxide; Xref=Rhea:RHEA:19897,
CC ChEBI:CHEBI:15377, ChEBI:CHEBI:15378, ChEBI:CHEBI:15379,
CC ChEBI:CHEBI:16480, ChEBI:CHEBI:32682, ChEBI:CHEBI:57743,
CC ChEBI:CHEBI:57783, ChEBI:CHEBI:58349; EC=1.14.13.39;
CC Evidence={ECO:0000256|ARBA:ARBA00035595};
CC PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:19898;
CC Evidence={ECO:0000256|ARBA:ARBA00035595};
CC -!- COFACTOR:
CC Name=(6R)-L-erythro-5,6,7,8-tetrahydrobiopterin;
CC Xref=ChEBI:CHEBI:59560; Evidence={ECO:0000256|ARBA:ARBA00001950};
CC -!- COFACTOR:
CC Name=FAD; Xref=ChEBI:CHEBI:57692;
CC Evidence={ECO:0000256|PIRNR:PIRNR000333};
CC Note=Binds 1 FAD. {ECO:0000256|PIRNR:PIRNR000333};
CC -!- COFACTOR:
CC Name=FMN; Xref=ChEBI:CHEBI:58210;
CC Evidence={ECO:0000256|PIRNR:PIRNR000333};
CC Note=Binds 1 FMN. {ECO:0000256|PIRNR:PIRNR000333};
CC -!- COFACTOR:
CC Name=heme b; Xref=ChEBI:CHEBI:60344;
CC Evidence={ECO:0000256|ARBA:ARBA00001970,
CC ECO:0000256|PIRNR:PIRNR000333};
CC -!- SIMILARITY: Belongs to the NOS family. {ECO:0000256|ARBA:ARBA00006267,
CC ECO:0000256|PIRNR:PIRNR000333}.
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DR EMBL; AK302686; BAH13779.1; -; mRNA.
DR AlphaFoldDB; B7Z7Z3; -.
DR PeptideAtlas; B7Z7Z3; -.
DR GO; GO:0005516; F:calmodulin binding; IEA:UniProtKB-KW.
DR GO; GO:0050660; F:flavin adenine dinucleotide binding; IEA:InterPro.
DR GO; GO:0010181; F:FMN binding; IEA:InterPro.
DR GO; GO:0020037; F:heme binding; IEA:InterPro.
DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR GO; GO:0050661; F:NADP binding; IEA:InterPro.
DR GO; GO:0004517; F:nitric-oxide synthase activity; IEA:UniProtKB-EC.
DR GO; GO:0006809; P:nitric oxide biosynthetic process; IEA:InterPro.
DR CDD; cd00795; NOS_oxygenase_euk; 1.
DR Gene3D; 3.40.50.360; -; 1.
DR Gene3D; 3.90.440.10; Nitric Oxide Synthase;Heme Domain;Chain A domain 2; 1.
DR Gene3D; 3.40.50.80; Nucleotide-binding domain of ferredoxin-NADP reductase (FNR) module; 1.
DR Gene3D; 2.40.30.10; Translation factors; 1.
DR InterPro; IPR003097; CysJ-like_FAD-binding.
DR InterPro; IPR017927; FAD-bd_FR_type.
DR InterPro; IPR001094; Flavdoxin-like.
DR InterPro; IPR008254; Flavodoxin/NO_synth.
DR InterPro; IPR001709; Flavoprot_Pyr_Nucl_cyt_Rdtase.
DR InterPro; IPR029039; Flavoprotein-like_sf.
DR InterPro; IPR039261; FNR_nucleotide-bd.
DR InterPro; IPR023173; NADPH_Cyt_P450_Rdtase_alpha.
DR InterPro; IPR044943; NOS_dom_1.
DR InterPro; IPR044940; NOS_dom_2.
DR InterPro; IPR044944; NOS_dom_3.
DR InterPro; IPR012144; NOS_euk.
DR InterPro; IPR004030; NOS_N.
DR InterPro; IPR036119; NOS_N_sf.
DR InterPro; IPR001433; OxRdtase_FAD/NAD-bd.
DR InterPro; IPR017938; Riboflavin_synthase-like_b-brl.
DR PANTHER; PTHR43410; NITRIC OXIDE SYNTHASE OXYGENASE; 1.
DR PANTHER; PTHR43410:SF1; NITRIC OXIDE SYNTHASE OXYGENASE; 1.
DR Pfam; PF00667; FAD_binding_1; 1.
DR Pfam; PF00258; Flavodoxin_1; 1.
DR Pfam; PF00175; NAD_binding_1; 1.
DR Pfam; PF02898; NO_synthase; 1.
DR PIRSF; PIRSF000333; NOS; 1.
DR PRINTS; PR00369; FLAVODOXIN.
DR PRINTS; PR00371; FPNCR.
DR SUPFAM; SSF52343; Ferredoxin reductase-like, C-terminal NADP-linked domain; 1.
DR SUPFAM; SSF52218; Flavoproteins; 1.
DR SUPFAM; SSF56512; Nitric oxide (NO) synthase oxygenase domain; 1.
DR SUPFAM; SSF63380; Riboflavin synthase domain-like; 1.
DR PROSITE; PS51384; FAD_FR; 1.
DR PROSITE; PS50902; FLAVODOXIN_LIKE; 1.
DR PROSITE; PS60001; NOS; 1.
PE 2: Evidence at transcript level;
KW Calmodulin-binding {ECO:0000256|ARBA:ARBA00022860,
KW ECO:0000256|PIRNR:PIRNR000333};
KW FAD {ECO:0000256|ARBA:ARBA00022827, ECO:0000256|PIRNR:PIRNR000333};
KW Flavoprotein {ECO:0000256|ARBA:ARBA00022630};
KW FMN {ECO:0000256|ARBA:ARBA00022643, ECO:0000256|PIRNR:PIRNR000333};
KW Heme {ECO:0000256|ARBA:ARBA00022617, ECO:0000256|PIRNR:PIRNR000333};
KW Iron {ECO:0000256|ARBA:ARBA00023004, ECO:0000256|PIRNR:PIRNR000333};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723,
KW ECO:0000256|PIRNR:PIRNR000333};
KW NADP {ECO:0000256|ARBA:ARBA00022857, ECO:0000256|PIRNR:PIRNR000333};
KW Oxidoreductase {ECO:0000256|ARBA:ARBA00023002,
KW ECO:0000256|PIRNR:PIRNR000333}.
FT DOMAIN 487..670
FT /note="Flavodoxin-like"
FT /evidence="ECO:0000259|PROSITE:PS50902"
FT DOMAIN 723..969
FT /note="FAD-binding FR-type"
FT /evidence="ECO:0000259|PROSITE:PS51384"
FT REGION 1..65
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT COMPBIAS 35..61
FT /note="Pro residues"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT BINDING 151
FT /ligand="heme b"
FT /ligand_id="ChEBI:CHEBI:60344"
FT /ligand_part="Fe"
FT /ligand_part_id="ChEBI:CHEBI:18248"
FT /note="axial binding residue"
FT /evidence="ECO:0000256|PIRSR:PIRSR000333-1"
SQ SEQUENCE 1170 AA; 129686 MW; 705D2C55E080DA00 CRC64;
MGNLKSVAQE PGPPCGLGLG LGLGLCGKQG PATPAPEPSR APASLLPPAP EHSPPSSPLT
QPPRRCLGSL VFPRKLQGRP SPGPPAPEQL LSQARDFINQ YYSSIKRSGS QAHEQRLQEV
EAEVAATGTY QLRESELVFG AKQAWRNAPR CVGRIQWGKL QVFDARDCRS AQEMFTYICN
HIKYATNRGN LRSAITVFPQ RCPGRGDFRI WNSQLVRYAG YRQQDGSVRG DPANVEITEL
CIQHGWTPGN GRFDVLPLLL QAPDEPPELF LLPPELVLEV PLEHPTLEWF AALGLRWYAL
PAVSNMLLEI GGLEFPAAPF SGWYMSTEIG TRNLCDPHRY NILEDVAVCM DLDTRTTSSL
WKDKAAVEIN VAVLHSYQLA KVTIVDHHAA TASFMKHLEN EQKARGGCPA DWAWIVPPIS
GSLTPVFHQE MVNYFLSPAF RYQPDPWKGS AAKGTGITRK KTFKEVANAV KISASLMGTV
MAKRVKATIL YGSETGRAQS YAQQLGRLFR KAFDPRVLCM DEYDVVSLEH ETLVLVVTST
FGNGDPPENG ESFAAALMEM SGPYNSSPRP EQHKSYKIRF NSISCSDPLV SSWRRKRKES
SNTDSAGALG TLRFCVFGLG SRAYPHFCAF ARAVDTRLEE LGGERLLQLG QGDELCGQEE
AFRGWAQAAF QAACETFCVG EDAKAAARDI FSPKRSWKRQ RYRLSAQAEG LQLLPGLIHV
HRRKMFQATI RSVENLQSSK STRATILVRL DTGGQEGLQY QPGDHIGVCP PNRPGLVEAL
LSRVEDPPAP TEPVAVEQLE KGSPGGPPPG WVRDPRLPPC TLRQALTFFL DITSPPSPQL
LRLLSTLAEE PREQQELEAL SQDPRRYEEW KWFRCPTLLE VLEQFPSVAL PAPLLLTQLP
LLQPRYYSVS SAPSTHPGEI HLTVAVLAYR TQDGLGPLHY GVCSTWLSQL KPGDPVPCFI
RGAPSFRLPP DPSLPCILVG PGTGIAPFRG FWQERLHDIE SKGLQPTPMT LVFGCRCSQL
DHLYRDEVQN AQQRGVFGRV LTAFSREPDN PKTYVQDILR TELAAEVHRV LCLERGHMFV
CGDVTMATNV LQTVQRILAT EGDMELDEAG DVIGVLRDQQ RYHEDIFGLT LRTQEVTSRI
RTQSFSLQER QLRGAVPWAF DPPGSDTNSP
//
