Incidental Mutation 'R1472:Stxbp1'
ID 164961
Institutional Source Beutler Lab
Gene Symbol Stxbp1
Ensembl Gene ENSMUSG00000026797
Gene Name syntaxin binding protein 1
Synonyms Munc-18a, Sxtbp1, N-sec1, nsec1, Munc18-1, Rb-sec1, Unc18h
MMRRC Submission 039525-MU
Accession Numbers
Essential gene? Possibly essential (E-score: 0.635) question?
Stock # R1472 (G1)
Quality Score 225
Status Not validated
Chromosome 2
Chromosomal Location 32677619-32737249 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to T at 32684648 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Serine to Threonine at position 594 (S594T)
Ref Sequence ENSEMBL: ENSMUSP00000089051 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000050000] [ENSMUST00000077458]
AlphaFold O08599
Predicted Effect probably benign
Transcript: ENSMUST00000050000
SMART Domains Protein: ENSMUSP00000052440
Gene: ENSMUSG00000026797

DomainStartEndE-ValueType
Pfam:Sec1 28 582 9.8e-152 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000077458
AA Change: S594T

PolyPhen 2 Score 0.177 (Sensitivity: 0.92; Specificity: 0.87)
SMART Domains Protein: ENSMUSP00000089051
Gene: ENSMUSG00000026797
AA Change: S594T

DomainStartEndE-ValueType
Pfam:Sec1 29 581 2.8e-110 PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000113222
SMART Domains Protein: ENSMUSP00000108848
Gene: ENSMUSG00000026797

DomainStartEndE-ValueType
Pfam:Sec1 1 419 1.7e-106 PFAM
Meta Mutation Damage Score 0.1574 question?
Coding Region Coverage
  • 1x: 99.1%
  • 3x: 98.2%
  • 10x: 96.0%
  • 20x: 92.0%
Validation Efficiency
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This gene encodes a syntaxin-binding protein. The encoded protein appears to play a role in release of neurotransmitters via regulation of syntaxin, a transmembrane attachment protein receptor. Mutations in this gene have been associated with infantile epileptic encephalopathy-4. Alternatively spliced transcript variants have been described. [provided by RefSeq, Feb 2010]
PHENOTYPE: Mice homozygous for a null allele exhibit total loss of neurotransmitter secretion from synaptic vesicles throughout development and massive neuron apoptosis after initial synaptogenesis, leading to widespread neurodegeneration and complete neonatal lethality. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 84 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
1110002E22Rik C T 3: 137,773,313 (GRCm39) T834M possibly damaging Het
Ak1 T C 2: 32,520,313 (GRCm39) L32P probably damaging Het
Ankrd24 A G 10: 81,470,754 (GRCm39) D61G probably damaging Het
Atp13a2 T C 4: 140,721,113 (GRCm39) S99P probably damaging Het
Atp8a2 T C 14: 60,097,719 (GRCm39) K770E probably benign Het
Bmp10 A G 6: 87,410,779 (GRCm39) I191V probably benign Het
C2cd6 A T 1: 59,106,944 (GRCm39) S294T possibly damaging Het
C4b T A 17: 34,962,743 (GRCm39) K20* probably null Het
Caps2 C T 10: 112,015,377 (GRCm39) T139I probably benign Het
Cdc25a T C 9: 109,705,157 (GRCm39) S34P probably benign Het
Cenpv T C 11: 62,427,121 (GRCm39) I146V probably benign Het
Cep57 A T 9: 13,732,850 (GRCm39) F32I probably benign Het
Cep85 A G 4: 133,894,711 (GRCm39) W32R probably damaging Het
Cntrl T C 2: 35,059,329 (GRCm39) probably null Het
Cpd A G 11: 76,675,224 (GRCm39) V1299A probably damaging Het
Cpne6 T C 14: 55,752,092 (GRCm39) V283A probably benign Het
Crot A G 5: 9,016,941 (GRCm39) C584R probably damaging Het
Ctsc A C 7: 87,930,670 (GRCm39) H83P possibly damaging Het
Dido1 T C 2: 180,302,513 (GRCm39) N1797S probably benign Het
Dlgap4 C T 2: 156,602,821 (GRCm39) Q148* probably null Het
Dnah3 T C 7: 119,670,181 (GRCm39) D688G probably benign Het
Dnmt1 T C 9: 20,843,472 (GRCm39) E138G probably benign Het
Edc4 T A 8: 106,619,460 (GRCm39) M1396K probably damaging Het
Haao T A 17: 84,146,267 (GRCm39) Q69L probably benign Het
Hsd3b6 A T 3: 98,715,255 (GRCm39) probably null Het
Itpr3 T A 17: 27,333,199 (GRCm39) I1937N probably benign Het
Kcnk15 C A 2: 163,700,127 (GRCm39) T103K probably damaging Het
Kifc3 A G 8: 95,864,541 (GRCm39) probably null Het
Lama3 T A 18: 12,615,102 (GRCm39) F1342Y probably benign Het
Lilra6 A T 7: 3,915,718 (GRCm39) M98K probably damaging Het
Map3k21 T C 8: 126,668,417 (GRCm39) S668P probably benign Het
Mcpt8 T C 14: 56,319,791 (GRCm39) T220A probably benign Het
Mettl13 C T 1: 162,364,736 (GRCm39) V548I possibly damaging Het
Mfsd4b4 A G 10: 39,767,860 (GRCm39) M411T probably benign Het
Mrfap1 A G 5: 36,953,817 (GRCm39) S41P possibly damaging Het
Mroh2b A G 15: 4,978,137 (GRCm39) I1302V probably benign Het
Mrpl45 C T 11: 97,214,681 (GRCm39) R123* probably null Het
Mstn T A 1: 53,101,157 (GRCm39) I78K probably damaging Het
Mtdh T C 15: 34,114,191 (GRCm39) S168P possibly damaging Het
Muc15 G T 2: 110,561,905 (GRCm39) V114F probably damaging Het
Muc6 T C 7: 141,238,144 (GRCm39) E112G probably benign Het
Myocd G T 11: 65,078,330 (GRCm39) H360Q probably benign Het
Naip2 C T 13: 100,298,368 (GRCm39) G556D probably benign Het
Nav3 T C 10: 109,563,802 (GRCm39) E1627G probably damaging Het
Nlrp14 T C 7: 106,781,910 (GRCm39) L369P probably benign Het
Nlrp6 A G 7: 140,503,408 (GRCm39) T505A probably damaging Het
Npbwr1 T C 1: 5,986,900 (GRCm39) S205G probably damaging Het
Nsmaf G A 4: 6,423,448 (GRCm39) R307* probably null Het
Or5h19 A T 16: 58,856,920 (GRCm39) L60Q probably damaging Het
Or9i1b T C 19: 13,897,208 (GRCm39) S275P probably damaging Het
Parp9 T G 16: 35,774,050 (GRCm39) S341A possibly damaging Het
Pdss2 A G 10: 43,289,533 (GRCm39) N346S probably benign Het
Pikfyve T A 1: 65,263,360 (GRCm39) F503Y probably damaging Het
Polr1e G T 4: 45,028,026 (GRCm39) A290S probably damaging Het
Ppp1r21 A T 17: 88,866,033 (GRCm39) H305L probably damaging Het
Prss47 A G 13: 65,197,103 (GRCm39) L117P probably damaging Het
Psmb2 A G 4: 126,580,825 (GRCm39) Y73C probably damaging Het
Rcn2 C T 9: 55,963,537 (GRCm39) P222L probably benign Het
Rnf144b T C 13: 47,396,361 (GRCm39) Y233H probably damaging Het
Rnf17 T C 14: 56,665,436 (GRCm39) L196P probably damaging Het
Sik2 A G 9: 50,920,111 (GRCm39) I22T probably damaging Het
Sis A G 3: 72,796,360 (GRCm39) V1807A probably benign Het
Slc1a2 T A 2: 102,568,254 (GRCm39) I88N probably damaging Het
Slc22a22 A G 15: 57,110,916 (GRCm39) F437S probably benign Het
Slc39a13 A T 2: 90,899,050 (GRCm39) C20* probably null Het
Sos2 C T 12: 69,632,090 (GRCm39) probably null Het
Sst A G 16: 23,709,448 (GRCm39) V16A probably benign Het
Stab1 C T 14: 30,863,543 (GRCm39) G2073D probably benign Het
Sugct A T 13: 17,627,131 (GRCm39) C241S probably benign Het
Svil T A 18: 5,048,950 (GRCm39) C76S probably benign Het
Tcaf1 A G 6: 42,663,382 (GRCm39) V166A possibly damaging Het
Tmem131 A T 1: 36,855,322 (GRCm39) N801K possibly damaging Het
Tox3 T C 8: 90,980,973 (GRCm39) N277S probably damaging Het
Tril G T 6: 53,795,012 (GRCm39) R737S probably damaging Het
Trpm2 C A 10: 77,801,841 (GRCm39) V75L probably damaging Het
Tshz1 A C 18: 84,031,930 (GRCm39) L826R possibly damaging Het
Ttn C T 2: 76,597,196 (GRCm39) V19906I probably damaging Het
Wnt5a C T 14: 28,240,461 (GRCm39) R184* probably null Het
Wnt5b G A 6: 119,410,442 (GRCm39) R333C probably damaging Het
Zbtb6 T C 2: 37,319,356 (GRCm39) T191A probably benign Het
Zc3h4 A G 7: 16,168,695 (GRCm39) N935D unknown Het
Zc3h7a C T 16: 10,978,890 (GRCm39) R95H probably damaging Het
Zfp110 T C 7: 12,582,468 (GRCm39) V372A possibly damaging Het
Zmym2 C T 14: 57,148,640 (GRCm39) S318L probably benign Het
Other mutations in Stxbp1
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL01989:Stxbp1 APN 2 32,702,076 (GRCm39) missense probably benign 0.00
IGL02743:Stxbp1 APN 2 32,709,913 (GRCm39) missense probably damaging 0.98
volume UTSW 2 32,691,905 (GRCm39) missense probably damaging 0.99
volume2 UTSW 2 32,691,895 (GRCm39) missense possibly damaging 0.95
P0021:Stxbp1 UTSW 2 32,713,550 (GRCm39) missense probably damaging 0.96
R0217:Stxbp1 UTSW 2 32,691,882 (GRCm39) missense possibly damaging 0.69
R0269:Stxbp1 UTSW 2 32,692,795 (GRCm39) missense probably damaging 1.00
R0285:Stxbp1 UTSW 2 32,713,554 (GRCm39) missense probably benign 0.00
R0335:Stxbp1 UTSW 2 32,692,917 (GRCm39) splice site probably benign
R0565:Stxbp1 UTSW 2 32,709,860 (GRCm39) missense probably benign 0.07
R0617:Stxbp1 UTSW 2 32,692,795 (GRCm39) missense probably damaging 1.00
R0690:Stxbp1 UTSW 2 32,690,707 (GRCm39) splice site probably benign
R1022:Stxbp1 UTSW 2 32,704,979 (GRCm39) splice site probably null
R1024:Stxbp1 UTSW 2 32,704,979 (GRCm39) splice site probably null
R1295:Stxbp1 UTSW 2 32,684,648 (GRCm39) missense probably benign 0.18
R1296:Stxbp1 UTSW 2 32,684,648 (GRCm39) missense probably benign 0.18
R1699:Stxbp1 UTSW 2 32,690,629 (GRCm39) missense probably damaging 0.99
R1744:Stxbp1 UTSW 2 32,696,731 (GRCm39) critical splice donor site probably null
R2004:Stxbp1 UTSW 2 32,688,201 (GRCm39) missense probably damaging 0.99
R2151:Stxbp1 UTSW 2 32,692,868 (GRCm39) missense probably damaging 1.00
R2153:Stxbp1 UTSW 2 32,692,868 (GRCm39) missense probably damaging 1.00
R2154:Stxbp1 UTSW 2 32,692,868 (GRCm39) missense probably damaging 1.00
R5170:Stxbp1 UTSW 2 32,684,686 (GRCm39) missense probably benign 0.01
R6083:Stxbp1 UTSW 2 32,686,030 (GRCm39) missense possibly damaging 0.95
R6295:Stxbp1 UTSW 2 32,684,621 (GRCm39) missense probably damaging 0.98
R6504:Stxbp1 UTSW 2 32,691,895 (GRCm39) missense possibly damaging 0.95
R6770:Stxbp1 UTSW 2 32,709,901 (GRCm39) missense probably benign 0.01
R6954:Stxbp1 UTSW 2 32,691,905 (GRCm39) missense probably damaging 0.99
R7283:Stxbp1 UTSW 2 32,705,026 (GRCm39) missense probably damaging 1.00
R7382:Stxbp1 UTSW 2 32,688,180 (GRCm39) missense probably damaging 1.00
R7541:Stxbp1 UTSW 2 32,708,517 (GRCm39) missense probably damaging 0.99
R7734:Stxbp1 UTSW 2 32,691,832 (GRCm39) missense probably benign 0.00
R8364:Stxbp1 UTSW 2 32,696,774 (GRCm39) missense possibly damaging 0.72
R8462:Stxbp1 UTSW 2 32,707,293 (GRCm39) splice site probably null
R9143:Stxbp1 UTSW 2 32,688,157 (GRCm39) missense probably damaging 0.99
R9246:Stxbp1 UTSW 2 32,679,586 (GRCm39) missense possibly damaging 0.85
R9267:Stxbp1 UTSW 2 32,708,517 (GRCm39) missense probably damaging 1.00
R9501:Stxbp1 UTSW 2 32,692,825 (GRCm39) missense probably benign 0.00
R9600:Stxbp1 UTSW 2 32,701,120 (GRCm39) missense possibly damaging 0.80
RF010:Stxbp1 UTSW 2 32,711,927 (GRCm39) missense probably benign 0.06
X0060:Stxbp1 UTSW 2 32,692,780 (GRCm39) missense probably damaging 1.00
Z1177:Stxbp1 UTSW 2 32,699,140 (GRCm39) missense probably damaging 0.99
Z1177:Stxbp1 UTSW 2 32,692,766 (GRCm39) missense probably null 1.00
Predicted Primers PCR Primer
(F):5'- AGCTACTGTCACTTGGCCTAACCC -3'
(R):5'- TTCTGAAAGCAGCCACCATCCG -3'

Sequencing Primer
(F):5'- CGCAAGCATTTTCTTGGAaaaagg -3'
(R):5'- ATGCCTGCATACGTGTGT -3'
Posted On 2014-03-28