ID NOS2_PIG Reviewed; 1157 AA. AC P79290; A0A287AUH8; A0A287BRU8; DT 30-MAY-2000, integrated into UniProtKB/Swiss-Prot. DT 08-NOV-2023, sequence version 2. DT 27-MAR-2024, entry version 133. DE RecName: Full=Nitric oxide synthase, inducible; DE EC=1.14.13.39 {ECO:0000250|UniProtKB:P35228}; DE AltName: Full=Inducible NO synthase; DE Short=Inducible NOS; DE Short=iNOS; DE AltName: Full=NOS type II; DE AltName: Full=Peptidyl-cysteine S-nitrosylase NOS2; GN Name=NOS2; OS Sus scrofa (Pig). OC Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia; OC Eutheria; Laurasiatheria; Artiodactyla; Suina; Suidae; Sus. OX NCBI_TaxID=9823; RN [1] RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RC STRAIN=Duroc; RG Porcine genome sequencing project; RL Submitted (NOV-2009) to the EMBL/GenBank/DDBJ databases. RN [2] RP NUCLEOTIDE SEQUENCE [MRNA]. RC TISSUE=Spleen; RX PubMed=9613441; DOI=10.1016/s0165-2427(97)00139-6; RA Pampusch M.S., Bennaars A.M., Harsch S., Murtaugh M.P.; RT "Inducible nitric oxide synthase expression in porcine immune cells."; RL Vet. Immunol. Immunopathol. 61:279-289(1998). CC -!- FUNCTION: Produces nitric oxide (NO) which is a messenger molecule with CC diverse functions throughout the body. In macrophages, NO mediates CC tumoricidal and bactericidal actions. Also has nitrosylase activity and CC mediates cysteine S-nitrosylation of cytoplasmic target proteins such CC PTGS2/COX2. As component of the iNOS-S100A8/9 transnitrosylase complex CC involved in the selective inflammatory stimulus-dependent S- CC nitrosylation of GAPDH implicated in regulation of the GAIT complex CC activity and probably multiple targets including ANXA5, EZR, MSN and CC VIM. Involved in inflammation, enhances the synthesis of pro- CC inflammatory mediators such as IL6 and IL8. CC {ECO:0000250|UniProtKB:P29477, ECO:0000250|UniProtKB:P35228}. 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:0000250|UniProtKB:P35228}; CC PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:19898; CC Evidence={ECO:0000250|UniProtKB:P35228}; CC -!- COFACTOR: CC Name=heme b; Xref=ChEBI:CHEBI:60344; CC Evidence={ECO:0000250|UniProtKB:P35228}; CC -!- COFACTOR: CC Name=FAD; Xref=ChEBI:CHEBI:57692; CC Evidence={ECO:0000250|UniProtKB:P29476}; CC Note=Binds 1 FAD. {ECO:0000250|UniProtKB:P29476}; CC -!- COFACTOR: CC Name=FMN; Xref=ChEBI:CHEBI:58210; CC Evidence={ECO:0000250|UniProtKB:P35228}; CC Note=Binds 1 FMN. {ECO:0000250|UniProtKB:P35228}; CC -!- COFACTOR: CC Name=(6R)-L-erythro-5,6,7,8-tetrahydrobiopterin; CC Xref=ChEBI:CHEBI:59560; Evidence={ECO:0000250|UniProtKB:P35228}; CC Note=Tetrahydrobiopterin (BH4). May stabilize the dimeric form of the CC enzyme. {ECO:0000250|UniProtKB:P35228}; CC -!- ACTIVITY REGULATION: Not stimulated by calcium/calmodulin. CC {ECO:0000250}. CC -!- SUBUNIT: Homodimer. Interacts with NHERF1. Interacts with GAPDH; CC induced by oxidatively-modified low-densitity lipoprotein (LDL(ox)). CC Interacts with S100A8 and S100A9 to form the iNOS-S100A8/9 CC transnitrosylase complex. Interacts with SPSB1, SPSB2 and SPSB4. CC Interacts with ELOC and CUL5 in the presence of SPSB1 or SPSB2 or CC SPSB4. Forms a complex with ASL, ASS1 and HSP90AA1; the complex CC regulates cell-autonomous L-arginine synthesis and citrulline recycling CC while channeling extracellular L-arginine to nitric oxide synthesis CC pathway. {ECO:0000250|UniProtKB:P29477}. CC -!- SUBCELLULAR LOCATION: Cytoplasm, cytosol CC {ECO:0000250|UniProtKB:P35228}. Note=Localizes as discrete foci CC scattered throughout the cytosol and in the presence of SPSB1 and CC SPSB4, exhibits a more diffuse cytosolic localization. CC {ECO:0000250|UniProtKB:P35228}. CC -!- TISSUE SPECIFICITY: Detected in both stimulated and unstimulated immune CC cells and macrophages with little or no up-regulation following CC cellular stimulation with lipopolysaccharides (LPS) or concanavalin A CC (ConA). CC -!- INDUCTION: Little by LPS or ConA in spleen cells. CC -!- PTM: Polyubiquitinated; mediated by SPSB1, SPSB2 and SPSB4, leading to CC proteasomal degradation. {ECO:0000250|UniProtKB:P35228}. CC -!- SIMILARITY: Belongs to the NOS family. {ECO:0000305}. 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; DQIR01039684; HCZ95159.1; -; Transcribed_RNA. DR EMBL; DQIR01166906; HDB22383.1; -; Transcribed_RNA. DR EMBL; DQIR01261531; HDC17009.1; -; Transcribed_RNA. DR EMBL; U59390; AAB40614.1; -; mRNA. DR RefSeq; XP_005669136.1; XM_005669079.2. DR RefSeq; XP_013836620.1; XM_013981166.1. DR RefSeq; XP_013836621.1; XM_013981167.1. DR RefSeq; XP_013836622.1; XM_013981168.1. DR AlphaFoldDB; P79290; -. DR STRING; 9823.ENSSSCP00000058904; -. DR PaxDb; 9823-ENSSSCP00000018812; -. DR Ensembl; ENSSSCT00000055475.3; ENSSSCP00000058904.2; ENSSSCG00000017755.5. DR GeneID; 396859; -. DR CTD; 4843; -. DR VGNC; VGNC:99024; NOS2. DR eggNOG; KOG1158; Eukaryota. DR GeneTree; ENSGT00940000159752; -. DR InParanoid; P79290; -. DR OMA; CRHIRYA; -. DR OrthoDB; 276396at2759; -. DR Reactome; R-SSC-1222556; ROS and RNS production in phagocytes. DR Reactome; R-SSC-392154; Nitric oxide stimulates guanylate cyclase. DR Reactome; R-SSC-9033241; Peroxisomal protein import. DR Proteomes; UP000008227; Chromosome 12. DR Proteomes; UP000314985; Unplaced. DR Proteomes; UP000694570; Unplaced. DR Proteomes; UP000694571; Unplaced. DR Proteomes; UP000694720; Unplaced. DR Proteomes; UP000694722; Unplaced. DR Proteomes; UP000694723; Unplaced. DR Proteomes; UP000694724; Unplaced. DR Proteomes; UP000694725; Unplaced. DR Proteomes; UP000694726; Unplaced. DR Proteomes; UP000694727; Unplaced. DR Proteomes; UP000694728; Unplaced. DR Bgee; ENSSSCG00000017755; Expressed in caecum and 31 other cell types or tissues. DR ExpressionAtlas; P79290; baseline and differential. DR GO; GO:0005829; C:cytosol; IEA:UniProtKB-SubCell. 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; ISS:UniProtKB. DR GO; GO:0006809; P:nitric oxide biosynthetic process; IEA:InterPro. DR GO; GO:0018119; P:peptidyl-cysteine S-nitrosylation; ISS:UniProtKB. DR GO; GO:0032755; P:positive regulation of interleukin-6 production; ISS:UniProtKB. DR GO; GO:0032757; P:positive regulation of interleukin-8 production; ISS:UniProtKB. DR GO; GO:0032310; P:prostaglandin secretion; ISS:UniProtKB. DR GO; GO:1900015; P:regulation of cytokine production involved in inflammatory response; ISS:UniProtKB. 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; Cytoplasm; FAD; Flavoprotein; FMN; Heme; Iron; KW Metal-binding; NADP; Oxidoreductase; Reference proteome; Ubl conjugation; KW Zinc. FT CHAIN 1..1157 FT /note="Nitric oxide synthase, inducible" FT /id="PRO_0000170935" FT DOMAIN 539..677 FT /note="Flavodoxin-like" FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00088" FT DOMAIN 730..970 FT /note="FAD-binding FR-type" FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00716" FT REGION 29..64 FT /note="Disordered" FT /evidence="ECO:0000256|SAM:MobiDB-lite" FT REGION 515..535 FT /note="Calmodulin-binding" FT /evidence="ECO:0000250|UniProtKB:P35228" FT REGION 1138..1157 FT /note="Disordered" FT /evidence="ECO:0000256|SAM:MobiDB-lite" FT MOTIF 23..27 FT /note="DINNN-motif; mediates interaction with SPSB1, SPSB2 FT and SPSB4" FT /evidence="ECO:0000250|UniProtKB:P35228" FT COMPBIAS 29..44 FT /note="Polar residues" FT /evidence="ECO:0000256|SAM:MobiDB-lite" FT COMPBIAS 45..59 FT /note="Basic and acidic residues" FT /evidence="ECO:0000256|SAM:MobiDB-lite" FT BINDING 110 FT /ligand="Zn(2+)" FT /ligand_id="ChEBI:CHEBI:29105" FT /ligand_note="ligand shared between homodimeric partners" FT /evidence="ECO:0000250|UniProtKB:P35228" FT BINDING 115 FT /ligand="Zn(2+)" FT /ligand_id="ChEBI:CHEBI:29105" FT /ligand_note="ligand shared between homodimeric partners" FT /evidence="ECO:0000250|UniProtKB:P35228" FT BINDING 200 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:0000250|UniProtKB:P35228" FT BINDING 263 FT /ligand="L-arginine" FT /ligand_id="ChEBI:CHEBI:32682" FT /evidence="ECO:0000250|UniProtKB:P29474" FT BINDING 372 FT /ligand="L-arginine" FT /ligand_id="ChEBI:CHEBI:32682" FT /evidence="ECO:0000250|UniProtKB:P29474" FT BINDING 373 FT /ligand="L-arginine" FT /ligand_id="ChEBI:CHEBI:32682" FT /evidence="ECO:0000250|UniProtKB:P29474" FT BINDING 377 FT /ligand="L-arginine" FT /ligand_id="ChEBI:CHEBI:32682" FT /evidence="ECO:0000250|UniProtKB:P29474" FT BINDING 381 FT /ligand="(6R)-L-erythro-5,6,7,8-tetrahydrobiopterin" FT /ligand_id="ChEBI:CHEBI:59560" FT /evidence="ECO:0000250|UniProtKB:P35228" FT BINDING 462 FT /ligand="(6R)-L-erythro-5,6,7,8-tetrahydrobiopterin" FT /ligand_id="ChEBI:CHEBI:59560" FT /evidence="ECO:0000250|UniProtKB:P35228" FT BINDING 463 FT /ligand="(6R)-L-erythro-5,6,7,8-tetrahydrobiopterin" FT /ligand_id="ChEBI:CHEBI:59560" FT /evidence="ECO:0000250|UniProtKB:P35228" FT BINDING 476 FT /ligand="(6R)-L-erythro-5,6,7,8-tetrahydrobiopterin" FT /ligand_id="ChEBI:CHEBI:59560" FT /evidence="ECO:0000250|UniProtKB:P35228" FT BINDING 491 FT /ligand="heme b" FT /ligand_id="ChEBI:CHEBI:60344" FT /evidence="ECO:0000250|UniProtKB:P35228" FT BINDING 545 FT /ligand="FMN" FT /ligand_id="ChEBI:CHEBI:58210" FT /evidence="ECO:0000250|UniProtKB:P35228" FT BINDING 546 FT /ligand="FMN" FT /ligand_id="ChEBI:CHEBI:58210" FT /evidence="ECO:0000250|UniProtKB:P35228" FT BINDING 547 FT /ligand="FMN" FT /ligand_id="ChEBI:CHEBI:58210" FT /evidence="ECO:0000250|UniProtKB:P35228" FT BINDING 549 FT /ligand="FMN" FT /ligand_id="ChEBI:CHEBI:58210" FT /evidence="ECO:0000250|UniProtKB:P35228" FT BINDING 550 FT /ligand="FMN" FT /ligand_id="ChEBI:CHEBI:58210" FT /evidence="ECO:0000250|UniProtKB:P35228" FT BINDING 591 FT /ligand="FMN" FT /ligand_id="ChEBI:CHEBI:58210" FT /evidence="ECO:0000250|UniProtKB:P35228" FT BINDING 592 FT /ligand="FMN" FT /ligand_id="ChEBI:CHEBI:58210" FT /evidence="ECO:0000250|UniProtKB:P35228" FT BINDING 628 FT /ligand="FMN" FT /ligand_id="ChEBI:CHEBI:58210" FT /evidence="ECO:0000250|UniProtKB:P35228" FT BINDING 635 FT /ligand="FMN" FT /ligand_id="ChEBI:CHEBI:58210" FT /evidence="ECO:0000250|UniProtKB:P35228" FT BINDING 661 FT /ligand="FMN" FT /ligand_id="ChEBI:CHEBI:58210" FT /evidence="ECO:0000250|UniProtKB:P35228" FT BINDING 665 FT /ligand="FMN" FT /ligand_id="ChEBI:CHEBI:58210" FT /evidence="ECO:0000250|UniProtKB:P35228" FT BINDING 750 FT /ligand="NADP(+)" FT /ligand_id="ChEBI:CHEBI:58349" FT /evidence="ECO:0000250|UniProtKB:P29476" FT BINDING 772 FT /ligand="FAD" FT /ligand_id="ChEBI:CHEBI:57692" FT /evidence="ECO:0000250|UniProtKB:P29476" FT BINDING 906 FT /ligand="FAD" FT /ligand_id="ChEBI:CHEBI:57692" FT /evidence="ECO:0000250|UniProtKB:P29476" FT BINDING 908 FT /ligand="FAD" FT /ligand_id="ChEBI:CHEBI:57692" FT /evidence="ECO:0000250|UniProtKB:P29476" FT BINDING 909 FT /ligand="FAD" FT /ligand_id="ChEBI:CHEBI:57692" FT /evidence="ECO:0000250|UniProtKB:P29476" FT BINDING 924 FT /ligand="FAD" FT /ligand_id="ChEBI:CHEBI:57692" FT /evidence="ECO:0000250|UniProtKB:P29476" FT BINDING 926 FT /ligand="FAD" FT /ligand_id="ChEBI:CHEBI:57692" FT /evidence="ECO:0000250|UniProtKB:P29476" FT BINDING 929 FT /ligand="NADP(+)" FT /ligand_id="ChEBI:CHEBI:58349" FT /evidence="ECO:0000250|UniProtKB:P29476" FT BINDING 930 FT /ligand="FAD" FT /ligand_id="ChEBI:CHEBI:57692" FT /evidence="ECO:0000250|UniProtKB:P29476" FT BINDING 943 FT /ligand="FAD" FT /ligand_id="ChEBI:CHEBI:57692" FT /evidence="ECO:0000250|UniProtKB:P29476" FT BINDING 944 FT /ligand="FAD" FT /ligand_id="ChEBI:CHEBI:57692" FT /evidence="ECO:0000250|UniProtKB:P29476" FT BINDING 945 FT /ligand="FAD" FT /ligand_id="ChEBI:CHEBI:57692" FT /evidence="ECO:0000250|UniProtKB:P29476" FT BINDING 984 FT /ligand="NADP(+)" FT /ligand_id="ChEBI:CHEBI:58349" FT /evidence="ECO:0000250|UniProtKB:P29476" FT BINDING 1017 FT /ligand="NADP(+)" FT /ligand_id="ChEBI:CHEBI:58349" FT /evidence="ECO:0000250|UniProtKB:P29476" FT BINDING 1046 FT /ligand="NADP(+)" FT /ligand_id="ChEBI:CHEBI:58349" FT /evidence="ECO:0000250|UniProtKB:P29476" FT BINDING 1047 FT /ligand="NADP(+)" FT /ligand_id="ChEBI:CHEBI:58349" FT /evidence="ECO:0000250|UniProtKB:P29476" FT BINDING 1053 FT /ligand="NADP(+)" FT /ligand_id="ChEBI:CHEBI:58349" FT /evidence="ECO:0000250|UniProtKB:P29476" FT BINDING 1055 FT /ligand="NADP(+)" FT /ligand_id="ChEBI:CHEBI:58349" FT /evidence="ECO:0000250|UniProtKB:P29476" FT BINDING 1057 FT /ligand="NADP(+)" FT /ligand_id="ChEBI:CHEBI:58349" FT /evidence="ECO:0000250|UniProtKB:P29476" FT BINDING 1090 FT /ligand="NADP(+)" FT /ligand_id="ChEBI:CHEBI:58349" FT /evidence="ECO:0000250|UniProtKB:P29476" SQ SEQUENCE 1157 AA; 131313 MW; C0A0D67FBA90686B CRC64; MACPWKFLFK AKSSRFDLTE EKDINNNLEK LRQASSSPVT QDDPKCPSRS RHRNECSQPL AETAKKSPDS LVKLDVLPPA CPRHVRIKNW GSGMTFQDTL HREAKGDLAC KSKSCLGAIM NPKSLTIGPR DKPTPPDELL PQAIEFVNLY YSSFKEAKIE EHLARVEAVT KEIETTGTYQ LTGDELIFAA KQAWRNAPRC IGRIQWSNLQ VFDARSCSTA QEMFEHICRH LRYATNNGNI RSAITVFPQR SDGKHDFRVW NAQLIRYAGY QMPDGTIIGD PASVEFTQLC IDLGWKPKYG RFDVVPLVLQ ADGRDPELFE IPPDLVLEVP MEHPKYEWFQ ELELKWYALP AVANMLLEVG GLEFPGCPFN GWYMGTEIGV RDFCDVQRYN ILEEVGRRMG LETHKLASLW KDRAVVEINV AVLHSFQKQN VTIMDHHSAA ESFMKYMQNE YRSRGGCPAD WIWLVPPISG SITPVFHQEM LNYVLSPFYY YQVEAWKTHV WQDEKRRPRR KEIRFKVLVK AVLFAAVLMH KTMAARVRAT ILFATETGRS ETLARDLGAL FSCAFNPKVL CMDEYRLSRL EEEQLLLVVT STFGNGGSPG NGEKLKKSLF MLKELTNKFR YAVFGLGSSM YPQFCAFAHD VDQKLSHLGA SQLTPTGEGD ELSGQEEAFR GWAVQTFKVA CETFDVRGKH HIQIPKLYTS NVTWDPQLYR LVQDSEPLDL NKALSSMHAK YVFSMRLKSQ QNLQSPQSSR TTLLVELCCE GSQGPSYLPG EHLGVFPANQ PALVQGILER VVDGPAPHQP VRLETLSENG SYWVKDKRLP PCSLSQALTY FLDITTPPTQ LLLRKLAQLA TDEAERQRLE TLCQPSDYNK WKFTNSPTFL EVLEEFPSLR VSASFLLSQL PILKPRYYSI SSSRDRTPTE IHLTVAVLTY RTRDGQGPLH HGVCSTWLSS LKPQDLVPCF VRSASGFQLP EDPSRPCILI GPGTGIAPFR SFWQQRLHEA EHKGLQGGRM TLVFGCRRPD EDHLYQEEML EMARKGVLHE VHTAYSRLPG QPKVYVQDLL RQRLAGEVLR VLHEEQGHLY VCGDVRMARD VACTLKQLVA TALTLNEEQV EDYFFQLKSQ KRYHEDIFGA VFPYEVKKEG AVGPPSDPRA PGAHGKS //