ID STX4_BOVIN Reviewed; 297 AA. AC Q3SWZ3; DT 03-APR-2007, integrated into UniProtKB/Swiss-Prot. DT 11-OCT-2005, sequence version 1. DT 08-NOV-2023, entry version 117. DE RecName: Full=Syntaxin-4; GN Name=STX4; OS Bos taurus (Bovine). OC Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia; OC Eutheria; Laurasiatheria; Artiodactyla; Ruminantia; Pecora; Bovidae; OC Bovinae; Bos. OX NCBI_TaxID=9913; RN [1] RP NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA]. RC STRAIN=Hereford; TISSUE=Uterus; RG NIH - Mammalian Gene Collection (MGC) project; RL Submitted (SEP-2005) to the EMBL/GenBank/DDBJ databases. CC -!- FUNCTION: Plasma membrane t-SNARE that mediates docking of transport CC vesicles (By similarity). Necessary for the translocation of SLC2A4 CC from intracellular vesicles to the plasma membrane (By similarity). In CC neurons, recruited at neurite tips to membrane domains rich in the CC phospholipid 1-oleoyl-2-palmitoyl-PC (OPPC) which promotes neurite tip CC surface expression of the dopamine transporter SLC6A3/DAT by CC facilitating fusion of SLC6A3-containing transport vesicles with the CC plasma membrane (By similarity). Together with STXB3 and VAMP2, may CC also play a role in docking/fusion of intracellular GLUT4-containing CC vesicles with the cell surface in adipocytes and in docking of synaptic CC vesicles at presynaptic active zones (By similarity). CC {ECO:0000250|UniProtKB:P70452, ECO:0000250|UniProtKB:Q08850}. CC -!- SUBUNIT: Component of the SNARE complex composed of STX4, SNAP23 and CC VAMP7 that interacts with SYT7 during lysosomal exocytosis. Found in a CC complex with VAMP8 and SNAP23. Detected in a complex with SNAP23 and CC STXBP4. Interacts with VAMP2. Interacts with SNAP23 and SNAPIN. CC Interacts with LLGL1. Interacts (via C-terminus) with CENPF. Interacts CC with DOC2B. Interacts with STXBP6. Interacts with STXBP3; excludes CC interaction with DOC2B and SNAP25. Interacts with STXBP4; excludes CC interaction with VAMP2 (By similarity). Interacts with STXBP5L (By CC similarity). {ECO:0000250}. CC -!- SUBCELLULAR LOCATION: Cell membrane {ECO:0000250|UniProtKB:Q08850}; CC Single-pass type IV membrane protein {ECO:0000305}. Cell projection, CC neuron projection {ECO:0000250|UniProtKB:Q08850}. Note=Localizes to CC neurite tips in neuronal cells. {ECO:0000250|UniProtKB:Q08850}. 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; BC104588; AAI04589.1; -; mRNA. DR RefSeq; NP_001030236.1; NM_001035064.1. DR AlphaFoldDB; Q3SWZ3; -. DR SMR; Q3SWZ3; -. DR STRING; 9913.ENSBTAP00000009899; -. DR PaxDb; 9913-ENSBTAP00000009899; -. DR GeneID; 508675; -. DR KEGG; bta:508675; -. DR CTD; 6810; -. DR eggNOG; KOG0810; Eukaryota. DR HOGENOM; CLU_042423_2_1_1; -. DR InParanoid; Q3SWZ3; -. DR OrthoDB; 2876074at2759; -. DR TreeFam; TF313763; -. DR Proteomes; UP000009136; Unplaced. DR GO; GO:0005901; C:caveola; IDA:AgBase. DR GO; GO:0012505; C:endomembrane system; IBA:GO_Central. DR GO; GO:0032589; C:neuron projection membrane; ISS:UniProtKB. DR GO; GO:0005886; C:plasma membrane; IBA:GO_Central. DR GO; GO:0031201; C:SNARE complex; ISS:UniProtKB. DR GO; GO:0005484; F:SNAP receptor activity; IBA:GO_Central. DR GO; GO:0000149; F:SNARE binding; IBA:GO_Central. DR GO; GO:0006887; P:exocytosis; IBA:GO_Central. DR GO; GO:0006886; P:intracellular protein transport; IBA:GO_Central. DR GO; GO:0006836; P:neurotransmitter transport; IEA:UniProtKB-KW. DR GO; GO:0034394; P:protein localization to cell surface; ISS:UniProtKB. DR GO; GO:0048278; P:vesicle docking; IBA:GO_Central. DR GO; GO:0006906; P:vesicle fusion; IBA:GO_Central. 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; 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:SF97; SYNTAXIN-4; 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. PE 2: Evidence at transcript level; KW Cell membrane; Cell projection; Coiled coil; Membrane; KW Neurotransmitter transport; Phosphoprotein; Reference proteome; KW Transmembrane; Transmembrane helix; Transport. FT CHAIN 1..297 FT /note="Syntaxin-4" FT /id="PRO_0000282875" FT TOPO_DOM 1..275 FT /note="Cytoplasmic" FT /evidence="ECO:0000255" FT TRANSMEM 276..296 FT /note="Helical; Anchor for type IV membrane protein" FT /evidence="ECO:0000255" FT TOPO_DOM 297 FT /note="Extracellular" FT /evidence="ECO:0000255" FT DOMAIN 200..262 FT /note="t-SNARE coiled-coil homology" FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00202" FT REGION 1..21 FT /note="Disordered" FT /evidence="ECO:0000256|SAM:MobiDB-lite" FT COILED 43..163 FT /evidence="ECO:0000255" FT SITE 290 FT /note="Required for neurite tip localization" FT /evidence="ECO:0000250|UniProtKB:Q08850" FT MOD_RES 14 FT /note="Phosphoserine" FT /evidence="ECO:0000250|UniProtKB:Q12846" FT MOD_RES 15 FT /note="Phosphoserine" FT /evidence="ECO:0000250|UniProtKB:Q12846" FT MOD_RES 31 FT /note="Phosphothreonine" FT /evidence="ECO:0000250|UniProtKB:Q12846" FT MOD_RES 36 FT /note="Phosphoserine" FT /evidence="ECO:0000250|UniProtKB:Q12846" FT MOD_RES 117 FT /note="Phosphoserine" FT /evidence="ECO:0000250|UniProtKB:Q12846" FT MOD_RES 208 FT /note="Phosphoserine" FT /evidence="ECO:0000250|UniProtKB:P70452" FT MOD_RES 248 FT /note="Phosphoserine" FT /evidence="ECO:0000250|UniProtKB:P70452" SQ SEQUENCE 297 AA; 34400 MW; 5CAE09860DD5C422 CRC64; MRDRTHELRQ GDDSSDDEDK ERVALVVHPG TARLGSPDDE FFQKVRTIRQ TIVKLENKVR ELEKQQVTIL ATPLPEESMK QDLQNLRDEI KQLGRDIRAQ LKAIEPQKEE ADENYNSVNT RMRKTQHGVL SQQFVELINK CNLMQSEYRE KNVERIRRQL KITNAGMVSD KELEQMLDSG QSEVFVSNIL KDTQVTRQAL NEISARHSEI QQLERSIREL HEIFTFLATE VEMQGEMINR IEKNILSSAD YVERGQEHVK VALENQKKAR KKKVFIAICL SITVLILVVI IVISTLV //