ID STX3_MOUSE Reviewed; 289 AA. AC Q64704; Q3TBP0; Q8R1B7; DT 01-NOV-1997, integrated into UniProtKB/Swiss-Prot. DT 01-NOV-1996, sequence version 1. DT 27-MAR-2024, entry version 176. DE RecName: Full=Syntaxin-3; GN Name=Stx3; Synonyms=Stx3a; OS Mus musculus (Mouse). OC Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia; OC Eutheria; Euarchontoglires; Glires; Rodentia; Myomorpha; Muroidea; Muridae; OC Murinae; Mus; Mus. OX NCBI_TaxID=10090; RN [1] RP NUCLEOTIDE SEQUENCE [MRNA] (ISOFORMS 3A; 3C AND 3D), AND NUCLEOTIDE RP SEQUENCE [MRNA] OF 1-283 (ISOFORM 3B). RC STRAIN=ICR; TISSUE=Brain; RX PubMed=7598732; DOI=10.1006/bbrc.1995.1910; RA Ibaraki K., Horikawa H.P.M., Morita T., Mori H., Sakimura K., Mishina M., RA Saisu H., Abe T.; RT "Identification of four different forms of syntaxin 3."; RL Biochem. Biophys. Res. Commun. 211:997-1005(1995). RN [2] RP NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] (ISOFORM 3A). RC STRAIN=NOD; TISSUE=Dendritic cell; RX PubMed=16141072; DOI=10.1126/science.1112014; RA Carninci P., Kasukawa T., Katayama S., Gough J., Frith M.C., Maeda N., RA Oyama R., Ravasi T., Lenhard B., Wells C., Kodzius R., Shimokawa K., RA Bajic V.B., Brenner S.E., Batalov S., Forrest A.R., Zavolan M., Davis M.J., RA Wilming L.G., Aidinis V., Allen J.E., Ambesi-Impiombato A., Apweiler R., RA Aturaliya R.N., Bailey T.L., Bansal M., Baxter L., Beisel K.W., Bersano T., RA Bono H., Chalk A.M., Chiu K.P., Choudhary V., Christoffels A., RA Clutterbuck D.R., Crowe M.L., Dalla E., Dalrymple B.P., de Bono B., RA Della Gatta G., di Bernardo D., Down T., Engstrom P., Fagiolini M., RA Faulkner G., Fletcher C.F., Fukushima T., Furuno M., Futaki S., RA Gariboldi M., Georgii-Hemming P., Gingeras T.R., Gojobori T., Green R.E., RA Gustincich S., Harbers M., Hayashi Y., Hensch T.K., Hirokawa N., Hill D., RA Huminiecki L., Iacono M., Ikeo K., Iwama A., Ishikawa T., Jakt M., RA Kanapin A., Katoh M., Kawasawa Y., Kelso J., Kitamura H., Kitano H., RA Kollias G., Krishnan S.P., Kruger A., Kummerfeld S.K., Kurochkin I.V., RA Lareau L.F., Lazarevic D., Lipovich L., Liu J., Liuni S., McWilliam S., RA Madan Babu M., Madera M., Marchionni L., Matsuda H., Matsuzawa S., Miki H., RA Mignone F., Miyake S., Morris K., Mottagui-Tabar S., Mulder N., Nakano N., RA Nakauchi H., Ng P., Nilsson R., Nishiguchi S., Nishikawa S., Nori F., RA Ohara O., Okazaki Y., Orlando V., Pang K.C., Pavan W.J., Pavesi G., RA Pesole G., Petrovsky N., Piazza S., Reed J., Reid J.F., Ring B.Z., RA Ringwald M., Rost B., Ruan Y., Salzberg S.L., Sandelin A., Schneider C., RA Schoenbach C., Sekiguchi K., Semple C.A., Seno S., Sessa L., Sheng Y., RA Shibata Y., Shimada H., Shimada K., Silva D., Sinclair B., Sperling S., RA Stupka E., Sugiura K., Sultana R., Takenaka Y., Taki K., Tammoja K., RA Tan S.L., Tang S., Taylor M.S., Tegner J., Teichmann S.A., Ueda H.R., RA van Nimwegen E., Verardo R., Wei C.L., Yagi K., Yamanishi H., RA Zabarovsky E., Zhu S., Zimmer A., Hide W., Bult C., Grimmond S.M., RA Teasdale R.D., Liu E.T., Brusic V., Quackenbush J., Wahlestedt C., RA Mattick J.S., Hume D.A., Kai C., Sasaki D., Tomaru Y., Fukuda S., RA Kanamori-Katayama M., Suzuki M., Aoki J., Arakawa T., Iida J., Imamura K., RA Itoh M., Kato T., Kawaji H., Kawagashira N., Kawashima T., Kojima M., RA Kondo S., Konno H., Nakano K., Ninomiya N., Nishio T., Okada M., Plessy C., RA Shibata K., Shiraki T., Suzuki S., Tagami M., Waki K., Watahiki A., RA Okamura-Oho Y., Suzuki H., Kawai J., Hayashizaki Y.; RT "The transcriptional landscape of the mammalian genome."; RL Science 309:1559-1563(2005). RN [3] RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RC STRAIN=C57BL/6J; RX PubMed=19468303; DOI=10.1371/journal.pbio.1000112; RA Church D.M., Goodstadt L., Hillier L.W., Zody M.C., Goldstein S., She X., RA Bult C.J., Agarwala R., Cherry J.L., DiCuccio M., Hlavina W., Kapustin Y., RA Meric P., Maglott D., Birtle Z., Marques A.C., Graves T., Zhou S., RA Teague B., Potamousis K., Churas C., Place M., Herschleb J., Runnheim R., RA Forrest D., Amos-Landgraf J., Schwartz D.C., Cheng Z., Lindblad-Toh K., RA Eichler E.E., Ponting C.P.; RT "Lineage-specific biology revealed by a finished genome assembly of the RT mouse."; RL PLoS Biol. 7:E1000112-E1000112(2009). RN [4] RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RA Mural R.J., Adams M.D., Myers E.W., Smith H.O., Venter J.C.; RL Submitted (JUL-2005) to the EMBL/GenBank/DDBJ databases. RN [5] RP NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] (ISOFORM 3B). RC STRAIN=C57BL/6J; TISSUE=Eye; RX PubMed=15489334; DOI=10.1101/gr.2596504; RG The MGC Project Team; RT "The status, quality, and expansion of the NIH full-length cDNA project: RT the Mammalian Gene Collection (MGC)."; RL Genome Res. 14:2121-2127(2004). RN [6] RP IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS]. RC TISSUE=Kidney, and Lung; RX PubMed=21183079; DOI=10.1016/j.cell.2010.12.001; RA Huttlin E.L., Jedrychowski M.P., Elias J.E., Goswami T., Rad R., RA Beausoleil S.A., Villen J., Haas W., Sowa M.E., Gygi S.P.; RT "A tissue-specific atlas of mouse protein phosphorylation and expression."; RL Cell 143:1174-1189(2010). RN [7] RP INTERACTION WITH PRPH2; ROM1; SNAP25 AND VAMP2, SUBCELLULAR LOCATION, AND RP TISSUE SPECIFICITY. RX PubMed=26406599; DOI=10.1371/journal.pone.0138508; RA Zulliger R., Conley S.M., Mwoyosvi M.L., Stuck M.W., Azadi S., Naash M.I.; RT "SNAREs Interact with Retinal Degeneration Slow and Rod Outer Segment RT Membrane Protein-1 during Conventional and Unconventional Outer Segment RT Targeting."; RL PLoS ONE 10:E0138508-E0138508(2015). RN [8] RP IDENTIFICATION BY MASS SPECTROMETRY, INTERACTION WITH REEP6, SUBCELLULAR RP LOCATION, AND TISSUE SPECIFICITY. RX PubMed=28369466; DOI=10.1093/hmg/ddx111; RA Veleri S., Nellissery J., Mishra B., Manjunath S.H., Brooks M.J., Dong L., RA Nagashima K., Qian H., Gao C., Sergeev Y.V., Huang X.F., Qu J., Lu F., RA Cideciyan A.V., Li T., Jin Z.B., Fariss R.N., Ratnapriya R., Jacobson S.G., RA Swaroop A.; RT "REEP6 mediates trafficking of a subset of Clathrin-coated vesicles and is RT critical for rod photoreceptor function and survival."; RL Hum. Mol. Genet. 26:2218-2230(2017). RN [9] RP DISRUPTION PHENOTYPE, FUNCTION, AND TISSUE SPECIFICITY. RX PubMed=33974130; DOI=10.1007/s00439-021-02284-1; RA Janecke A.R., Liu X., Adam R., Punuru S., Viestenz A., Strauss V., RA Laass M., Sanchez E., Adachi R., Schatz M.P., Saboo U.S., Mittal N., RA Rohrschneider K., Escher J., Ganesh A., Al Zuhaibi S., Al Murshedi F., RA AlSaleem B., Alfadhel M., Al Sinani S., Alkuraya F.S., Huber L.A., RA Mueller T., Heidelberger R., Janz R.; RT "Pathogenic STX3 variants affecting the retinal and intestinal transcripts RT cause an early-onset severe retinal dystrophy in microvillus inclusion RT disease subjects."; RL Hum. Genet. 140:1143-1156(2021). CC -!- FUNCTION: Potentially involved in docking of synaptic vesicles at CC presynaptic active zones. Apical receptor involved in membrane fusion CC of apical vesicles (By similarity). Essential for survival of retinal CC photoreceetors (PubMed:33974130). {ECO:0000250|UniProtKB:Q13277, CC ECO:0000269|PubMed:33974130}. CC -!- SUBUNIT: Interacts with REEP6 (PubMed:28369466). Isoform 3B interacts CC with PRPH2 in rod and cone photoreceptors (PubMed:26406599). Isoform 3B CC interacts with ROM1 (PubMed:26406599). Isoform 3B interacts with SNAP25 CC (PubMed:26406599). Isoform 3B interacts with VAMP2 (PubMed:26406599). CC {ECO:0000269|PubMed:26406599, ECO:0000269|PubMed:28369466}. CC -!- SUBCELLULAR LOCATION: Membrane {ECO:0000305}; Single-pass type IV CC membrane protein {ECO:0000305}. Note=Localized to the inner and outer CC plexiform layers, the cell body and the inner segments of CC photoreceptors. {ECO:0000269|PubMed:28369466}. CC -!- SUBCELLULAR LOCATION: [Isoform 3B]: Photoreceptor inner segment CC {ECO:0000269|PubMed:26406599}. Cell projection, cilium, photoreceptor CC outer segment {ECO:0000269|PubMed:26406599}. Note=Colocalizes with CC SNAP25 and ROM1 in the inner segment and outer nuclear layer of the CC retina (at protein level) (PubMed:26406599). Partially colocalizes with CC PRPH2 in the inner segment of the retina (at protein level) CC (PubMed:26406599). {ECO:0000269|PubMed:26406599}. CC -!- ALTERNATIVE PRODUCTS: CC Event=Alternative splicing; Named isoforms=4; CC Name=3A {ECO:0000303|PubMed:7598732}; CC IsoId=Q64704-1; Sequence=Displayed; CC Name=3B {ECO:0000303|PubMed:7598732}; CC IsoId=Q64704-2; Sequence=VSP_006346; CC Name=3C {ECO:0000303|PubMed:7598732}; CC IsoId=Q64704-3; Sequence=VSP_006341, VSP_006346; CC Name=3D {ECO:0000303|PubMed:7598732}; CC IsoId=Q64704-4; Sequence=VSP_006342, VSP_006344; CC -!- TISSUE SPECIFICITY: Expressed in the retina (at protein level). CC {ECO:0000269|PubMed:26406599, ECO:0000269|PubMed:28369466, CC ECO:0000269|PubMed:33974130}. CC -!- DISRUPTION PHENOTYPE: Knockout animals show progressive photoreceptor CC degeneration. At 5 weeks of age, an approximately 60% decrease in CC thickness of the outer nuclear layer (ONL) and in the number of ONL CC neuronal somata is observed, indicating that a large number of CC photoreceptors have died. In some of the remaining rods, rhodopsin is CC appropriately localized to the outer segments, but a marked amount of CC rhodopsin mislocalized to the outer plexiform layer. At 8 and 12 weeks CC of age, increasing cell loss and further ectopic expression of CC rhodopsin are observed. Cone photoreceptor loss and ectopic expression CC of opsin in cones is also observed. Quantification of the progressive CC degenerative phenotype reveals a rapid loss in the number of neuronal CC somata in the ONL, indicative of photoreceptor death, whereas the CC number of cells in the inner nuclear layer, including horizontal, CC bipolar, and amacrine cells, is no different from that of controls. CC {ECO:0000269|PubMed:33974130}. CC -!- SIMILARITY: Belongs to the syntaxin 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; D29797; BAA06180.1; -; mRNA. DR EMBL; D29798; BAA06181.1; -; mRNA. DR EMBL; D29799; BAA06182.1; -; mRNA. DR EMBL; D29800; BAA06183.1; -; mRNA. DR EMBL; D38375; BAA07454.1; -; mRNA. DR EMBL; AK171135; BAE42269.1; -; mRNA. DR EMBL; AC126036; -; NOT_ANNOTATED_CDS; Genomic_DNA. DR EMBL; AC126266; -; NOT_ANNOTATED_CDS; Genomic_DNA. DR EMBL; CH466534; EDL41444.1; -; Genomic_DNA. DR EMBL; BC024844; AAH24844.1; -; mRNA. DR CCDS; CCDS29611.1; -. [Q64704-2] DR CCDS; CCDS29612.1; -. [Q64704-3] DR CCDS; CCDS29613.1; -. [Q64704-1] DR PIR; I60170; I60170. DR PIR; I83197; I83197. DR PIR; I83198; I83198. DR RefSeq; NP_001020478.1; NM_001025307.1. [Q64704-2] DR RefSeq; NP_001273472.1; NM_001286543.1. DR RefSeq; NP_035632.1; NM_011502.3. [Q64704-3] DR RefSeq; NP_689344.1; NM_152220.2. [Q64704-1] DR AlphaFoldDB; Q64704; -. DR SMR; Q64704; -. DR BioGRID; 203562; 8. DR STRING; 10090.ENSMUSP00000069529; -. DR iPTMnet; Q64704; -. DR PhosphoSitePlus; Q64704; -. DR jPOST; Q64704; -. DR MaxQB; Q64704; -. DR PaxDb; 10090-ENSMUSP00000069529; -. DR PeptideAtlas; Q64704; -. DR ProteomicsDB; 254766; -. [Q64704-1] DR ProteomicsDB; 254767; -. [Q64704-2] DR ProteomicsDB; 254768; -. [Q64704-3] DR ProteomicsDB; 254769; -. [Q64704-4] DR Pumba; Q64704; -. DR Antibodypedia; 724; 198 antibodies from 31 providers. DR DNASU; 20908; -. DR Ensembl; ENSMUST00000069285.6; ENSMUSP00000069529.5; ENSMUSG00000041488.17. [Q64704-1] DR Ensembl; ENSMUST00000075304.14; ENSMUSP00000074776.8; ENSMUSG00000041488.17. [Q64704-2] DR Ensembl; ENSMUST00000211641.2; ENSMUSP00000147398.2; ENSMUSG00000041488.17. [Q64704-3] DR GeneID; 20908; -. DR KEGG; mmu:20908; -. DR UCSC; uc008gsy.1; mouse. DR UCSC; uc008gsz.1; mouse. [Q64704-3] DR UCSC; uc008gtb.2; mouse. [Q64704-1] DR AGR; MGI:103077; -. DR CTD; 6809; -. DR MGI; MGI:103077; Stx3. DR VEuPathDB; HostDB:ENSMUSG00000041488; -. DR eggNOG; KOG0810; Eukaryota. DR GeneTree; ENSGT01030000234627; -. DR HOGENOM; CLU_042423_2_2_1; -. DR InParanoid; Q64704; -. DR OMA; FMEQNNA; -. DR OrthoDB; 2876074at2759; -. DR PhylomeDB; Q64704; -. DR TreeFam; TF313763; -. DR Reactome; R-MMU-449836; Other interleukin signaling. DR BioGRID-ORCS; 20908; 3 hits in 78 CRISPR screens. DR ChiTaRS; Stx3; mouse. DR PRO; PR:Q64704; -. DR Proteomes; UP000000589; Chromosome 19. DR RNAct; Q64704; Protein. DR Bgee; ENSMUSG00000041488; Expressed in retinal neural layer and 268 other cell types or tissues. DR ExpressionAtlas; Q64704; baseline and differential. DR GO; GO:0016324; C:apical plasma membrane; IDA:MGI. DR GO; GO:0042582; C:azurophil granule; ISO:MGI. DR GO; GO:0005911; C:cell-cell junction; ISO:MGI. DR GO; GO:0030425; C:dendrite; IDA:MGI. DR GO; GO:0012505; C:endomembrane system; IBA:GO_Central. DR GO; GO:0098978; C:glutamatergic synapse; IDA:SynGO. DR GO; GO:0030426; C:growth cone; ISO:MGI. DR GO; GO:0030027; C:lamellipodium; ISO:MGI. DR GO; GO:0042470; C:melanosome; IDA:MGI. DR GO; GO:0016020; C:membrane; IDA:MGI. DR GO; GO:0043005; C:neuron projection; ISO:MGI. DR GO; GO:0001917; C:photoreceptor inner segment; IMP:UniProtKB. DR GO; GO:0001750; C:photoreceptor outer segment; IMP:UniProtKB. DR GO; GO:0005886; C:plasma membrane; ISO:MGI. DR GO; GO:0098794; C:postsynapse; IDA:SynGO. DR GO; GO:0048787; C:presynaptic active zone membrane; IBA:GO_Central. DR GO; GO:0098685; C:Schaffer collateral - CA1 synapse; IDA:SynGO. DR GO; GO:0030141; C:secretory granule; IDA:MGI. DR GO; GO:0031201; C:SNARE complex; IDA:MGI. DR GO; GO:0042581; C:specific granule; ISO:MGI. DR GO; GO:0008021; C:synaptic vesicle; IBA:GO_Central. DR GO; GO:0042589; C:zymogen granule membrane; IDA:MGI. DR GO; GO:0050544; F:arachidonic acid binding; ISO:MGI. DR GO; GO:0005484; F:SNAP receptor activity; ISO:MGI. DR GO; GO:0000149; F:SNARE binding; IBA:GO_Central. DR GO; GO:0098967; P:exocytic insertion of neurotransmitter receptor to postsynaptic membrane; IDA:SynGO. DR GO; GO:0006887; P:exocytosis; IMP:MGI. DR GO; GO:0006886; P:intracellular protein transport; IBA:GO_Central. DR GO; GO:0060291; P:long-term synaptic potentiation; IMP:MGI. DR GO; GO:0061025; P:membrane fusion; ISO:MGI. DR GO; GO:0050804; P:modulation of chemical synaptic transmission; IDA:SynGO. DR GO; GO:0031175; P:neuron projection development; ISO:MGI. DR GO; GO:0090174; P:organelle membrane fusion; ISS:UniProtKB. DR GO; GO:0045785; P:positive regulation of cell adhesion; ISO:MGI. DR GO; GO:0008284; P:positive regulation of cell population proliferation; ISO:MGI. DR GO; GO:0050921; P:positive regulation of chemotaxis; ISO:MGI. DR GO; GO:2000010; P:positive regulation of protein localization to cell surface; ISO:MGI. DR GO; GO:1903078; P:positive regulation of protein localization to plasma membrane; ISO:MGI. DR GO; GO:0010468; P:regulation of gene expression; ISS:UniProtKB. DR GO; GO:0031629; P:synaptic vesicle fusion to presynaptic active zone membrane; IBA:GO_Central. DR GO; GO:0048278; P:vesicle docking; IBA:GO_Central. DR GO; GO:0099003; P:vesicle-mediated transport in synapse; IDA:SynGO. DR CDD; cd15881; SNARE_syntaxin3; 1. DR CDD; cd00179; SynN; 1. DR Gene3D; 1.20.5.110; -; 1. DR Gene3D; 1.20.58.70; -; 1. DR InterPro; IPR010989; SNARE. DR InterPro; IPR031186; STX3_SNARE. DR InterPro; IPR045242; Syntaxin. DR InterPro; IPR006012; Syntaxin/epimorphin_CS. DR InterPro; IPR006011; Syntaxin_N. DR InterPro; IPR000727; T_SNARE_dom. DR PANTHER; PTHR19957; SYNTAXIN; 1. DR PANTHER; PTHR19957:SF34; SYNTAXIN-3; 1. DR Pfam; PF05739; SNARE; 1. DR Pfam; PF00804; Syntaxin; 1. DR SMART; SM00503; SynN; 1. DR SMART; SM00397; t_SNARE; 1. DR SUPFAM; SSF47661; t-snare proteins; 1. DR PROSITE; PS00914; SYNTAXIN; 1. DR PROSITE; PS50192; T_SNARE; 1. DR Genevisible; Q64704; MM. PE 1: Evidence at protein level; KW Alternative splicing; Cell projection; Coiled coil; Membrane; KW Neurotransmitter transport; Reference proteome; Transmembrane; KW Transmembrane helix; Transport. FT CHAIN 1..289 FT /note="Syntaxin-3" FT /id="PRO_0000210200" FT TOPO_DOM 1..263 FT /note="Cytoplasmic" FT /evidence="ECO:0000255" FT TRANSMEM 264..283 FT /note="Helical; Anchor for type IV membrane protein" FT /evidence="ECO:0000255" FT TOPO_DOM 284..289 FT /note="Extracellular" FT /evidence="ECO:0000255" FT DOMAIN 191..253 FT /note="t-SNARE coiled-coil homology" FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00202" FT COILED 32..111 FT /evidence="ECO:0000255" FT VAR_SEQ 39..72 FT /note="IEETRLNIDKISEHVEEAKKLYSIILSAPIPEPK -> NFHGILSYLLRLSS FT HE (in isoform 3C)" FT /evidence="ECO:0000303|PubMed:7598732" FT /id="VSP_006341" FT VAR_SEQ 73..86 FT /note="TKDDLEQLTTEIKK -> LPWNPLLSPEIELT (in isoform 3D)" FT /evidence="ECO:0000303|PubMed:7598732" FT /id="VSP_006342" FT VAR_SEQ 87..289 FT /note="Missing (in isoform 3D)" FT /evidence="ECO:0000303|PubMed:7598732" FT /id="VSP_006344" FT VAR_SEQ 227..289 FT /note="EMLDNIELNVMHTVDHVEKARDETKRAMKYQGQARKKLIIIIVVVVVLLGIL FT ALIIGLSVGLK -> AMIDRIENNMDQSVGFVERAVADTKKAVKYQSEARRKKIMIMIC FT CIILAIILASTIGGIFA (in isoform 3B and isoform 3C)" FT /evidence="ECO:0000303|PubMed:7598732" FT /id="VSP_006346" FT CONFLICT Q64704-4:75 FT /note="W -> R (in Ref. 1; BAA07454)" FT /evidence="ECO:0000305|PubMed:7598732" SQ SEQUENCE 289 AA; 33243 MW; 4A8EAFC2049EEE6F CRC64; MKDRLEQLKA KQLTQDDDTD EVEIAIDNTA FMDEFFSEIE ETRLNIDKIS EHVEEAKKLY SIILSAPIPE PKTKDDLEQL TTEIKKRANN VRNKLKSMEK HIEEDEVRSS ADLRIRKSQH SVLSRKFVEV MTKYNEAQVD FRERSKGRIQ RQLEITGKKT TDEELEEMLE SGNPAIFTSG IIDSQISKQA LSEIEGRHKD IVRLESSIKE LHDMFMDIAM LVENQGEMLD NIELNVMHTV DHVEKARDET KRAMKYQGQA RKKLIIIIVV VVVLLGILAL IIGLSVGLK //