ID A0A075LN77_9BACI Unreviewed; 355 AA.
AC A0A075LN77;
DT 29-OCT-2014, integrated into UniProtKB/TrEMBL.
DT 29-OCT-2014, sequence version 1.
DT 24-JAN-2024, entry version 35.
DE RecName: Full=Nitric oxide synthase oxygenase {ECO:0000256|ARBA:ARBA00018859, ECO:0000256|PIRNR:PIRNR037219};
DE EC=1.14.14.47 {ECO:0000256|ARBA:ARBA00012735, ECO:0000256|PIRNR:PIRNR037219};
GN ORFNames=GZ22_17055 {ECO:0000313|EMBL:AIF68170.1};
OS Terribacillus goriensis.
OC Bacteria; Bacillota; Bacilli; Bacillales; Bacillaceae; Terribacillus.
OX NCBI_TaxID=386490 {ECO:0000313|EMBL:AIF68170.1, ECO:0000313|Proteomes:UP000027980};
RN [1] {ECO:0000313|EMBL:AIF68170.1, ECO:0000313|Proteomes:UP000027980}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=MP602 {ECO:0000313|EMBL:AIF68170.1,
RC ECO:0000313|Proteomes:UP000027980};
RA Wang Y., Lu P., Zhang L.;
RT "Complete genome sequence of a moderately halophilic bacterium
RT Terribacillus aidingensis MP602, isolated from Cryptomeria fortunei in
RT Tianmu mountain in China.";
RL Submitted (JUL-2014) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Catalyzes the production of nitric oxide.
CC {ECO:0000256|ARBA:ARBA00002642, ECO:0000256|PIRNR:PIRNR037219}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=2 L-arginine + 4 O2 + 3 reduced [flavodoxin] = 5 H(+) + 4 H2O
CC + 2 L-citrulline + 2 nitric oxide + 3 oxidized [flavodoxin];
CC Xref=Rhea:RHEA:52324, Rhea:RHEA-COMP:10622, Rhea:RHEA-COMP:10623,
CC ChEBI:CHEBI:15377, ChEBI:CHEBI:15378, ChEBI:CHEBI:15379,
CC ChEBI:CHEBI:16480, ChEBI:CHEBI:32682, ChEBI:CHEBI:57618,
CC ChEBI:CHEBI:57743, ChEBI:CHEBI:58210; EC=1.14.14.47;
CC Evidence={ECO:0000256|ARBA:ARBA00000737};
CC -!- COFACTOR:
CC Name=heme; Xref=ChEBI:CHEBI:30413;
CC Evidence={ECO:0000256|ARBA:ARBA00001971,
CC ECO:0000256|PIRNR:PIRNR037219, ECO:0000256|PIRSR:PIRSR037219-1};
CC -!- SUBUNIT: Homodimer. {ECO:0000256|PIRNR:PIRNR037219}.
CC -!- MISCELLANEOUS: This protein is similar to the oxygenase domain of
CC eukaryotic nitric oxide synthases but lacks the reductase domain which,
CC in eukaryotes, is responsible for transfer of electrons to the ferric
CC heme during nitric oxide synthesis. {ECO:0000256|PIRNR:PIRNR037219}.
CC -!- SIMILARITY: Belongs to the NOS family. Bacterial NOS oxygenase
CC subfamily. {ECO:0000256|ARBA:ARBA00005411,
CC ECO:0000256|PIRNR:PIRNR037219}.
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DR EMBL; CP008876; AIF68170.1; -; Genomic_DNA.
DR RefSeq; WP_038564823.1; NZ_CP008876.1.
DR AlphaFoldDB; A0A075LN77; -.
DR KEGG; tap:GZ22_17055; -.
DR HOGENOM; CLU_040293_0_0_9; -.
DR OrthoDB; 3398374at2; -.
DR Proteomes; UP000027980; Chromosome.
DR GO; GO:0020037; F:heme binding; IEA:InterPro.
DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR GO; GO:0004517; F:nitric-oxide synthase activity; IEA:InterPro.
DR GO; GO:0006809; P:nitric oxide biosynthetic process; IEA:InterPro.
DR CDD; cd00794; NOS_oxygenase_prok; 1.
DR Gene3D; 3.90.440.10; Nitric Oxide Synthase;Heme Domain;Chain A domain 2; 1.
DR InterPro; IPR017142; Nitric_oxide_synthase_Oase-su.
DR InterPro; IPR044943; NOS_dom_1.
DR InterPro; IPR044940; NOS_dom_2.
DR InterPro; IPR044944; NOS_dom_3.
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 PIRSF; PIRSF037219; NOS_oxygenase; 1.
DR SUPFAM; SSF56512; Nitric oxide (NO) synthase oxygenase domain; 1.
DR PROSITE; PS60001; NOS; 1.
PE 3: Inferred from homology;
KW Heme {ECO:0000256|ARBA:ARBA00022617, ECO:0000256|PIRNR:PIRNR037219};
KW Iron {ECO:0000256|ARBA:ARBA00023004, ECO:0000256|PIRNR:PIRNR037219};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723,
KW ECO:0000256|PIRNR:PIRNR037219};
KW Oxidoreductase {ECO:0000256|ARBA:ARBA00023002,
KW ECO:0000256|PIRNR:PIRNR037219};
KW Reference proteome {ECO:0000313|Proteomes:UP000027980}.
FT DOMAIN 63..70
FT /note="Nitric oxide synthase (NOS)"
FT /evidence="ECO:0000259|PROSITE:PS60001"
FT BINDING 64
FT /ligand="heme"
FT /ligand_id="ChEBI:CHEBI:30413"
FT /ligand_part="Fe"
FT /ligand_part_id="ChEBI:CHEBI:18248"
FT /note="axial binding residue"
FT /evidence="ECO:0000256|PIRSR:PIRSR037219-1"
SQ SEQUENCE 355 AA; 40607 MW; 8B2B1A4311E71EB9 CRC64;
MKELLQEATE FIQESYQELG KSDIDMHQRL SHIKNEITET STYTHSTEEL THGARMAWRN
SNRCIGRLFW NSLHVIDARE ATEAEEVLEK LLSHIEQATN AGKVKPMITV FSPNNNIRIW
NHQLLRYAGY ETDHGIIGDH ASVRFTSVCK TLGWEGKGTM YDILPLVVQV GDQPPVLQEI
PADLVKEVHI EHEEYPAIAD LDLRWYAVPI ISDMKLEIGG ITYNAAPFNG WYMGTEIGAR
NLADEDRYHM LPKVAEVLAL DQSKSSTLWK DRALVELNIA VLHSFQKAGV TIVDHHTAAK
QFAHFEKQEQ RAGRDVTGMW SWLIPPMSPA ATHIFHKPYK NKIIKPNYFH QEDVY
//