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Identification
HMDB Protein ID HMDBP08589
Secondary Accession Numbers
  • 14304
Name Syntaxin-binding protein 1
Synonyms
  1. N-Sec1
  2. Protein unc-18 homolog 1
  3. Protein unc-18 homolog A
  4. Unc-18A
  5. Unc18-1
  6. p67
Gene Name STXBP1
Protein Type Unknown
Biological Properties
General Function Involved in vesicle docking involved in exocytosis
Specific Function May participate in the regulation of synaptic vesicle docking and fusion, possibly through interaction with GTP-binding proteins. Essential for neurotransmission and binds syntaxin, a component of the synaptic vesicle fusion machinery probably in a 1:1 ratio. Can interact with syntaxins 1, 2, and 3 but not syntaxin 4. May play a role in determining the specificity of intracellular fusion reactions
Pathways Not Available
Reactions Not Available
GO Classification
Process
establishment of localization
cellular process
transport
membrane docking
vesicle docking
vesicle docking involved in exocytosis
vesicle-mediated transport
Cellular Location
  1. Cytoplasm
  2. Peripheral membrane protein
  3. Membrane
Gene Properties
Chromosome Location Chromosome:9
Locus 9q34.1
SNPs STXBP1
Gene Sequence
>1785 bp
ATGGCCCCCATTGGCCTCAAAGCTGTTGTCGGAGAGAAGATTATGCATGATGTGATAAAG
AAGGTCAAGAAGAAGGGGGAATGGAAGGTGCTGGTGGTGGATCAGTTAAGCATGAGGATG
CTGTCCTCCTGCTGCAAGATGACAGACATCATGACCGAGGGCATAACGATTGTGGAAGAT
ATCAATAAGCGCAGAGAGCCGCTCCCCAGCCTGGAGGCTGTGTATCTCATCACTCCATCC
GAGAAGTCCGTCCACTCTCTCATCAGTGACTTTAAGGACCCGCCGACTGCTAAATACCGG
GCTGCACACGTCTTCTTCACTGACTCTTGTCCAGATGCCCTGTTTAATGAACTGGTAAAA
TCCCGAGCAGCCAAAGTCATCAAAACTCTGACGGAAATCAATATTGCATTTCTCCCGTAT
GAATCCCAGGTCTATTCCTTGGACTCTGCTGACTCTTTCCAAAGCTTCTACAGTCCCCAC
AAGGCTCAGATGAAGAATCCTATACTGGAGCGCCTGGCAGAGCAGATCGCGACCCTTTGT
GCCACCCTGAAGGAGTACCCGGCTGTGCGGTATCGGGGGGAATACAAGGACAATGCCCTG
CTGGCTCAGCTAATCCAGGACAAGCTCGATGCCTATAAAGCTGATGATCCAACAATGGGG
GAGGGCCCAGACAAGGCACGCTCCCAGCTCCTGATCCTGGATCGAGGCTTTGACCCCAGC
TCCCCTGTGCTCCATGAATTGACTTTTCAGGCTATGAGTTATGATCTGCTGCCTATCGAA
AATGATGTATACAAGTATGAGACCAGCGGCATCGGGGAGGCACGGGTGAAGGAGGTGCTC
CTGGACGAGGACGACGACCTGTGGATAGCACTGCGCCACAAGCACATCGCAGAGGTGTCC
CAGGAAGTCACCCGGTCTCTGAAAGATTTTTCTTCTAGCAAGAGAATGAATACTGGAGAG
AAGACCACCATGCGGGACCTGTCCCAGATGCTGAAGAAGATGCCTCAGTACCAGAAAGAG
CTCAGCAAGTACTCCACCCACCTGCACCTTGCTGAGGACTGTATGAAGCATTACCAAGGC
ACCGTAGACAAACTCTGCCGAGTGGAGCAGGACCTGGCCATGGGCACAGATGCTGAGGGA
GAGAAGATCAAGGACCCTATGCGAGCCATCGTCCCCATTCTGCTGGATGCCAATGTCAGC
ACTTATGACAAAATCCGCATCATCCTTCTCTACATCTTTTTGAAGAATGGCATCACGGAG
GAAAACCTGAACAAACTGATCCAGCACGCCCAGATACCCCCGGAGGATAGTGAGATCATC
ACCAACATGGCTCACCTCGGCGTGCCCATCGTCACCGATTCCACGCTGCGTCGCCGGAGC
AAGCCGGAGCGGAAGGAACGCATCAGCGAGCAGACCTACCAGCTCTCACGGTGGACTCCG
ATTATCAAGGACATCATGGAGGACACTATTGAGGACAAACTTGACACCAAACACTACCCT
TATATCTCTACCCGTTCCTCTGCCTCCTTCAGCACCACCGCCGTCAGCGCCCGCTATGGG
CACTGGCATAAGAACAAGGCCCCAGGCGAGTACCGCAGTGGCCCCCGCCTCATCATTTTC
ATCCTTGGGGGTGTGAGCCTGAATGAGATGCGCTGCGCCTACGAGGTGACCCAGGCCAAC
GGAAAGTGGGAGGTGCTGATAGGATCCACACACATCCTCACCCCACAGAAACTGCTGGAC
ACACTGAAGAAACTGAATAAAACAGATGAAGAAATAAGCAGTTAA
Protein Properties
Number of Residues 594
Molecular Weight 67568.0
Theoretical pI 6.96
Pfam Domain Function
Signals
  • None
Transmembrane Regions
  • None
Protein Sequence
>Syntaxin-binding protein 1
MAPIGLKAVVGEKIMHDVIKKVKKKGEWKVLVVDQLSMRMLSSCCKMTDIMTEGITIVED
INKRREPLPSLEAVYLITPSEKSVHSLISDFKDPPTAKYRAAHVFFTDSCPDALFNELVK
SRAAKVIKTLTEINIAFLPYESQVYSLDSADSFQSFYSPHKAQMKNPILERLAEQIATLC
ATLKEYPAVRYRGEYKDNALLAQLIQDKLDAYKADDPTMGEGPDKARSQLLILDRGFDPS
SPVLHELTFQAMSYDLLPIENDVYKYETSGIGEARVKEVLLDEDDDLWIALRHKHIAEVS
QEVTRSLKDFSSSKRMNTGEKTTMRDLSQMLKKMPQYQKELSKYSTHLHLAEDCMKHYQG
TVDKLCRVEQDLAMGTDAEGEKIKDPMRAIVPILLDANVSTYDKIRIILLYIFLKNGITE
ENLNKLIQHAQIPPEDSEIITNMAHLGVPIVTDSTLRRRSKPERKERISEQTYQLSRWTP
IIKDIMEDTIEDKLDTKHYPYISTRSSASFSTTAVSARYGHWHKNKAPGEYRSGPRLIIF
ILGGVSLNEMRCAYEVTQANGKWEVLIGSTHILTPQKLLDTLKKLNKTDEEISS
GenBank ID Protein 3041873
UniProtKB/Swiss-Prot ID P61764
UniProtKB/Swiss-Prot Entry Name STXB1_HUMAN
PDB IDs
GenBank Gene ID AF004562
GeneCard ID STXBP1
GenAtlas ID STXBP1
HGNC ID HGNC:11444
References
General References
  1. Gerhard DS, Wagner L, Feingold EA, Shenmen CM, Grouse LH, Schuler G, Klein SL, Old S, Rasooly R, Good P, Guyer M, Peck AM, Derge JG, Lipman D, Collins FS, Jang W, Sherry S, Feolo M, Misquitta L, Lee E, Rotmistrovsky K, Greenhut SF, Schaefer CF, Buetow K, Bonner TI, Haussler D, Kent J, Kiekhaus M, Furey T, Brent M, Prange C, Schreiber K, Shapiro N, Bhat NK, Hopkins RF, Hsie F, Driscoll T, Soares MB, Casavant TL, Scheetz TE, Brown-stein MJ, Usdin TB, Toshiyuki S, Carninci P, Piao Y, Dudekula DB, Ko MS, Kawakami K, Suzuki Y, Sugano S, Gruber CE, Smith MR, Simmons B, Moore T, Waterman R, Johnson SL, Ruan Y, Wei CL, Mathavan S, Gunaratne PH, Wu J, Garcia AM, Hulyk SW, Fuh E, Yuan Y, Sneed A, Kowis C, Hodgson A, Muzny DM, McPherson J, Gibbs RA, Fahey J, Helton E, Ketteman M, Madan A, Rodrigues S, Sanchez A, Whiting M, Madari A, Young AC, Wetherby KD, Granite SJ, Kwong PN, Brinkley CP, Pearson RL, Bouffard GG, Blakesly RW, Green ED, Dickson MC, Rodriguez AC, Grimwood J, Schmutz J, Myers RM, Butterfield YS, Griffith M, Griffith OL, Krzywinski MI, Liao N, Morin R, Palmquist D, Petrescu AS, Skalska U, Smailus DE, Stott JM, Schnerch A, Schein JE, Jones SJ, Holt RA, Baross A, Marra MA, Clifton S, Makowski KA, Bosak S, Malek J: The status, quality, and expansion of the NIH full-length cDNA project: the Mammalian Gene Collection (MGC). Genome Res. 2004 Oct;14(10B):2121-7. [PubMed:15489334 ]
  2. Rush J, Moritz A, Lee KA, Guo A, Goss VL, Spek EJ, Zhang H, Zha XM, Polakiewicz RD, Comb MJ: Immunoaffinity profiling of tyrosine phosphorylation in cancer cells. Nat Biotechnol. 2005 Jan;23(1):94-101. Epub 2004 Dec 12. [PubMed:15592455 ]
  3. Humphray SJ, Oliver K, Hunt AR, Plumb RW, Loveland JE, Howe KL, Andrews TD, Searle S, Hunt SE, Scott CE, Jones MC, Ainscough R, Almeida JP, Ambrose KD, Ashwell RI, Babbage AK, Babbage S, Bagguley CL, Bailey J, Banerjee R, Barker DJ, Barlow KF, Bates K, Beasley H, Beasley O, Bird CP, Bray-Allen S, Brown AJ, Brown JY, Burford D, Burrill W, Burton J, Carder C, Carter NP, Chapman JC, Chen Y, Clarke G, Clark SY, Clee CM, Clegg S, Collier RE, Corby N, Crosier M, Cummings AT, Davies J, Dhami P, Dunn M, Dutta I, Dyer LW, Earthrowl ME, Faulkner L, Fleming CJ, Frankish A, Frankland JA, French L, Fricker DG, Garner P, Garnett J, Ghori J, Gilbert JG, Glison C, Grafham DV, Gribble S, Griffiths C, Griffiths-Jones S, Grocock R, Guy J, Hall RE, Hammond S, Harley JL, Harrison ES, Hart EA, Heath PD, Henderson CD, Hopkins BL, Howard PJ, Howden PJ, Huckle E, Johnson C, Johnson D, Joy AA, Kay M, Keenan S, Kershaw JK, Kimberley AM, King A, Knights A, Laird GK, Langford C, Lawlor S, Leongamornlert DA, Leversha M, Lloyd C, Lloyd DM, Lovell J, Martin S, Mashreghi-Mohammadi M, Matthews L, McLaren S, McLay KE, McMurray A, Milne S, Nickerson T, Nisbett J, Nordsiek G, Pearce AV, Peck AI, Porter KM, Pandian R, Pelan S, Phillimore B, Povey S, Ramsey Y, Rand V, Scharfe M, Sehra HK, Shownkeen R, Sims SK, Skuce CD, Smith M, Steward CA, Swarbreck D, Sycamore N, Tester J, Thorpe A, Tracey A, Tromans A, Thomas DW, Wall M, Wallis JM, West AP, Whitehead SL, Willey DL, Williams SA, Wilming L, Wray PW, Young L, Ashurst JL, Coulson A, Blocker H, Durbin R, Sulston JE, Hubbard T, Jackson MJ, Bentley DR, Beck S, Rogers J, Dunham I: DNA sequence and analysis of human chromosome 9. Nature. 2004 May 27;429(6990):369-74. [PubMed:15164053 ]
  4. Gengyo-Ando K, Kitayama H, Mukaida M, Ikawa Y: A murine neural-specific homolog corrects cholinergic defects in Caenorhabditis elegans unc-18 mutants. J Neurosci. 1996 Nov 1;16(21):6695-702. [PubMed:8824310 ]
  5. Swanson DA, Steel JM, Valle D: Identification and characterization of the human ortholog of rat STXBP1, a protein implicated in vesicle trafficking and neurotransmitter release. Genomics. 1998 Mar 15;48(3):373-6. [PubMed:9545644 ]
  6. Saitsu H, Kato M, Mizuguchi T, Hamada K, Osaka H, Tohyama J, Uruno K, Kumada S, Nishiyama K, Nishimura A, Okada I, Yoshimura Y, Hirai S, Kumada T, Hayasaka K, Fukuda A, Ogata K, Matsumoto N: De novo mutations in the gene encoding STXBP1 (MUNC18-1) cause early infantile epileptic encephalopathy. Nat Genet. 2008 Jun;40(6):782-8. doi: 10.1038/ng.150. Epub 2008 May 11. [PubMed:18469812 ]