ID V8N118_OPHHA Unreviewed; 85 AA.
AC V8N118;
DT 19-FEB-2014, integrated into UniProtKB/TrEMBL.
DT 19-FEB-2014, sequence version 1.
DT 27-MAR-2024, entry version 28.
DE RecName: Full=nitric-oxide synthase (NADPH) {ECO:0000256|ARBA:ARBA00012989};
DE EC=1.14.13.39 {ECO:0000256|ARBA:ARBA00012989};
DE Flags: Fragment;
GN ORFNames=L345_18327 {ECO:0000313|EMBL:ETE55964.1};
OS Ophiophagus hannah (King cobra) (Naja hannah).
OC Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi;
OC Lepidosauria; Squamata; Bifurcata; Unidentata; Episquamata; Toxicofera;
OC Serpentes; Colubroidea; Elapidae; Elapinae; Ophiophagus.
OX NCBI_TaxID=8665 {ECO:0000313|EMBL:ETE55964.1, ECO:0000313|Proteomes:UP000018936};
RN [1] {ECO:0000313|EMBL:ETE55964.1, ECO:0000313|Proteomes:UP000018936}
RP NUCLEOTIDE SEQUENCE.
RC TISSUE=Blood {ECO:0000313|EMBL:ETE55964.1};
RX PubMed=24297900; DOI=10.1073/pnas.1314702110;
RA Vonk F.J., Casewell N.R., Henkel C.V., Heimberg A.M., Jansen H.J.,
RA McCleary R.J., Kerkkamp H.M., Vos R.A., Guerreiro I., Calvete J.J.,
RA Wuster W., Woods A.E., Logan J.M., Harrison R.A., Castoe T.A.,
RA de Koning A.P., Pollock D.D., Yandell M., Calderon D., Renjifo C.,
RA Currier R.B., Salgado D., Pla D., Sanz L., Hyder A.S., Ribeiro J.M.,
RA Arntzen J.W., van den Thillart G.E., Boetzer M., Pirovano W., Dirks R.P.,
RA Spaink H.P., Duboule D., McGlinn E., Kini R.M., Richardson M.K.;
RT "The king cobra genome reveals dynamic gene evolution and adaptation in the
RT snake venom system.";
RL Proc. Natl. Acad. Sci. U.S.A. 110:20651-20656(2013).
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=FMN; Xref=ChEBI:CHEBI:58210;
CC Evidence={ECO:0000256|ARBA:ARBA00001917};
CC -!- COFACTOR:
CC Name=heme b; Xref=ChEBI:CHEBI:60344;
CC Evidence={ECO:0000256|ARBA:ARBA00001970};
CC -!- SIMILARITY: Belongs to the NOS family. {ECO:0000256|ARBA:ARBA00006267}.
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:ETE55964.1}.
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DR EMBL; AZIM01057382; ETE55964.1; -; Genomic_DNA.
DR AlphaFoldDB; V8N118; -.
DR Proteomes; UP000018936; Unassembled WGS sequence.
DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR GO; GO:0004517; F:nitric-oxide synthase activity; IEA:UniProtKB-EC.
DR GO; GO:0006809; P:nitric oxide biosynthetic process; IEA:InterPro.
DR InterPro; IPR044943; NOS_dom_1.
DR InterPro; IPR004030; NOS_N.
DR InterPro; IPR036119; NOS_N_sf.
DR PANTHER; PTHR43410; NITRIC OXIDE SYNTHASE OXYGENASE; 1.
DR PANTHER; PTHR43410:SF1; NITRIC OXIDE SYNTHASE OXYGENASE; 1.
DR Pfam; PF02898; NO_synthase; 1.
DR SUPFAM; SSF56512; Nitric oxide (NO) synthase oxygenase domain; 1.
PE 3: Inferred from homology;
KW Calmodulin-binding {ECO:0000256|ARBA:ARBA00022860};
KW Flavoprotein {ECO:0000256|ARBA:ARBA00022643};
KW FMN {ECO:0000256|ARBA:ARBA00022643}; Heme {ECO:0000256|ARBA:ARBA00022617};
KW Iron {ECO:0000256|ARBA:ARBA00023004};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723};
KW Oxidoreductase {ECO:0000256|ARBA:ARBA00023002};
KW Reference proteome {ECO:0000313|Proteomes:UP000018936}.
FT DOMAIN 3..85
FT /note="Nitric oxide synthase (NOS)"
FT /evidence="ECO:0000259|Pfam:PF02898"
FT NON_TER 1
FT /evidence="ECO:0000313|EMBL:ETE55964.1"
SQ SEQUENCE 85 AA; 9814 MW; 8A3DD593DF535045 CRC64;
AESQAHHQRL QEVNNQIVDT GTYRLLEAEL VFGAKHAWRN AARCLGRIQW NKLQVFDARD
ITSAQEMYTS LCTHINYATN RGNLR
//
