Incidental Mutation 'IGL02988:Stxbp2'
ID 453493
Institutional Source Beutler Lab
Gene Symbol Stxbp2
Ensembl Gene ENSMUSG00000004626
Gene Name syntaxin binding protein 2
Synonyms muSec1, C79054, Sxtp2, Munc18b, Munc-18b, Munc-18-2
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # IGL02988 (G1)
Quality Score 148
Status Validated
Chromosome 8
Chromosomal Location 3680955-3693644 bp(+) (GRCm39)
Type of Mutation intron
DNA Base Change (assembly) T to C at 3683267 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change
Ref Sequence ENSEMBL: ENSMUSP00000146468 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000159888] [ENSMUST00000159911] [ENSMUST00000160708] [ENSMUST00000162867]
AlphaFold Q64324
Predicted Effect probably benign
Transcript: ENSMUST00000004745
SMART Domains Protein: ENSMUSP00000004745
Gene: ENSMUSG00000004626

DomainStartEndE-ValueType
Pfam:Sec1 29 580 6.8e-113 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000159888
Predicted Effect probably benign
Transcript: ENSMUST00000159911
Predicted Effect noncoding transcript
Transcript: ENSMUST00000160435
Predicted Effect probably benign
Transcript: ENSMUST00000160708
SMART Domains Protein: ENSMUSP00000125405
Gene: ENSMUSG00000004626

DomainStartEndE-ValueType
Pfam:Sec1 29 579 4.9e-112 PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000161982
Predicted Effect noncoding transcript
Transcript: ENSMUST00000162737
Predicted Effect noncoding transcript
Transcript: ENSMUST00000162974
Predicted Effect noncoding transcript
Transcript: ENSMUST00000163044
Predicted Effect probably benign
Transcript: ENSMUST00000162867
Coding Region Coverage
  • 1x: 0.0%
  • 3x: 0.0%
  • 10x: 0.0%
  • 20x: 0.0%
Validation Efficiency 99% (71/72)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This gene encodes a member of the STXBP/unc-18/SEC1 family. The encoded protein is involved in intracellular trafficking, control of SNARE (soluble NSF attachment protein receptor) complex assembly, and the release of cytotoxic granules by natural killer cells. Mutations in this gene are associated with familial hemophagocytic lymphohistiocytosis. Alternatively spliced transcript variants encoding different isoforms have been noted for this gene. [provided by RefSeq, Jan 2013]
PHENOTYPE: Mice homozygous for a knock-out allele exhibit complete preweaning lethality. Mice heterozygous for this allele exhibit decreased stimulated mucin secretion, release of histones in stimulated mast cells and decreased susceptibility to type I hypersensitivity reaction. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 69 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
4933416I08Rik TCC TCCC X: 52,692,862 (GRCm39) noncoding transcript Het
Aadacl4fm5 T A 4: 144,513,100 (GRCm39) probably benign Het
Adgrd1 G A 5: 129,221,074 (GRCm39) A488T probably benign Het
Ano3 T C 2: 110,605,355 (GRCm39) S284G probably damaging Het
Aox1 G T 1: 58,376,509 (GRCm39) V897L probably benign Het
Arl6 T A 16: 59,434,209 (GRCm39) probably null Het
Blnk G A 19: 40,917,660 (GRCm39) T441M probably damaging Het
Casp8ap2 C T 4: 32,644,590 (GRCm39) T1221I probably benign Het
Cbll1 A T 12: 31,542,171 (GRCm39) F63L possibly damaging Het
Cdk14 A G 5: 5,086,484 (GRCm39) Y279H probably damaging Het
Cflar A T 1: 58,780,190 (GRCm39) I265F possibly damaging Het
Cilp TGGG TGG 9: 65,187,412 (GRCm39) probably null Het
Crb1 CG C 1: 139,164,824 (GRCm39) probably null Het
Cyp3a13 A T 5: 137,897,272 (GRCm39) Y347* probably null Het
Defa27 T C 8: 21,805,583 (GRCm39) S8P probably damaging Het
Depdc5 A C 5: 33,113,511 (GRCm39) probably null Het
Dlg5 A G 14: 24,216,323 (GRCm39) F573S probably damaging Het
Fam20c A T 5: 138,741,749 (GRCm39) E120V probably benign Het
Fam53a T C 5: 33,764,819 (GRCm39) K296E probably damaging Het
Fcna G C 2: 25,520,693 (GRCm39) probably benign Het
Fndc1 T C 17: 7,972,355 (GRCm39) T1526A possibly damaging Het
Gm14325 A C 2: 177,476,042 (GRCm39) probably null Het
Gm7582 G A 1: 85,019,588 (GRCm39) noncoding transcript Het
Golga7b A C 19: 42,255,239 (GRCm39) Y63S probably damaging Het
Hexb A G 13: 97,334,729 (GRCm39) L14P unknown Het
Hsd17b3 A C 13: 64,236,914 (GRCm39) L10R probably damaging Het
Il6st T C 13: 112,635,420 (GRCm39) F611L probably damaging Het
Ints13 T A 6: 146,457,646 (GRCm39) T411S possibly damaging Het
Kif18b C A 11: 102,799,146 (GRCm39) C685F probably damaging Het
Kif5c A G 2: 49,509,729 (GRCm39) N19S probably damaging Het
Lmbr1 G T 5: 29,497,221 (GRCm39) probably null Het
Minar1 A G 9: 89,484,792 (GRCm39) S202P probably benign Het
Mmp1a TG TGG 9: 7,465,083 (GRCm38) probably null Het
Mrc2 G A 11: 105,216,397 (GRCm39) R62Q probably benign Het
Myo1g T C 11: 6,458,183 (GRCm39) probably benign Het
Myo5a A T 9: 75,037,423 (GRCm39) probably benign Het
Nobox G A 6: 43,282,095 (GRCm39) S326L possibly damaging Het
Nsl1 C A 1: 190,795,300 (GRCm39) S22* probably null Het
Or5b3 A C 19: 13,388,826 (GRCm39) K298Q possibly damaging Het
Or5j3 T C 2: 86,128,823 (GRCm39) I221T probably damaging Het
Pdia3 T A 2: 121,260,037 (GRCm39) L192Q probably damaging Het
Pkd2 A T 5: 104,651,471 (GRCm39) R940* probably null Het
Plcd3 T A 11: 102,967,568 (GRCm39) Q458L probably benign Het
Polm T A 11: 5,786,343 (GRCm39) T75S probably benign Het
Pon3 T A 6: 5,232,330 (GRCm39) D230V possibly damaging Het
Pxdn A T 12: 30,053,113 (GRCm39) K917* probably null Het
Rad54l2 A G 9: 106,577,784 (GRCm39) S1046P probably benign Het
Rb1cc1 T C 1: 6,318,035 (GRCm39) probably null Het
Rnf215 A G 11: 4,086,785 (GRCm39) E194G probably damaging Het
Rorb A T 19: 18,915,336 (GRCm39) F441I probably damaging Het
Sel1l2 C A 2: 140,090,508 (GRCm39) G378V probably damaging Het
Sema6a G T 18: 47,431,281 (GRCm39) A139D probably damaging Het
Serpinb3d A T 1: 107,006,266 (GRCm39) M274K probably benign Het
Siglec15 A C 18: 78,092,462 (GRCm39) L32R probably damaging Het
Siglecg A T 7: 43,067,476 (GRCm39) D681V probably damaging Het
Slc6a13 G T 6: 121,303,066 (GRCm39) probably benign Het
Slc9b2 G T 3: 135,024,179 (GRCm39) A77S probably benign Het
Slit3 T A 11: 35,598,890 (GRCm39) V1498D probably damaging Het
Snorc A G 1: 87,402,926 (GRCm39) probably null Het
Speer4c1 A C 5: 15,919,214 (GRCm39) probably benign Het
Tbc1d9b T C 11: 50,042,773 (GRCm39) S482P possibly damaging Het
Tec A G 5: 72,926,090 (GRCm39) S321P possibly damaging Het
Tenm3 A G 8: 48,688,381 (GRCm39) M2402T probably damaging Het
Thrap3 G A 4: 126,059,335 (GRCm39) probably null Het
Tm4sf1 A T 3: 57,200,537 (GRCm39) probably null Het
Tmcc1 T C 6: 116,019,889 (GRCm39) E306G probably damaging Het
Traf3ip3 A T 1: 192,877,182 (GRCm39) probably null Het
Utf1 C T 7: 139,523,875 (GRCm39) P30L possibly damaging Het
Wdfy3 A T 5: 102,077,847 (GRCm39) C880S probably damaging Het
Other mutations in Stxbp2
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00160:Stxbp2 APN 8 3,686,354 (GRCm39) critical splice acceptor site probably null
IGL00466:Stxbp2 APN 8 3,684,065 (GRCm39) missense probably benign 0.29
IGL02315:Stxbp2 APN 8 3,685,607 (GRCm39) unclassified probably benign
IGL02508:Stxbp2 APN 8 3,682,531 (GRCm39) missense probably damaging 1.00
IGL02811:Stxbp2 APN 8 3,691,971 (GRCm39) missense probably benign 0.44
IGL02833:Stxbp2 APN 8 3,691,971 (GRCm39) missense probably benign 0.44
IGL02868:Stxbp2 APN 8 3,691,971 (GRCm39) missense probably benign 0.44
IGL02869:Stxbp2 APN 8 3,691,971 (GRCm39) missense probably benign 0.44
IGL02896:Stxbp2 APN 8 3,691,971 (GRCm39) missense probably benign 0.44
IGL02926:Stxbp2 APN 8 3,685,629 (GRCm39) missense probably benign 0.31
IGL02927:Stxbp2 APN 8 3,692,685 (GRCm39) missense possibly damaging 0.95
IGL02928:Stxbp2 APN 8 3,691,736 (GRCm39) missense probably damaging 0.99
IGL02943:Stxbp2 APN 8 3,691,971 (GRCm39) missense probably benign 0.44
IGL02945:Stxbp2 APN 8 3,691,971 (GRCm39) missense probably benign 0.44
IGL02948:Stxbp2 APN 8 3,691,971 (GRCm39) missense probably benign 0.44
IGL02951:Stxbp2 APN 8 3,691,971 (GRCm39) missense probably benign 0.44
IGL02972:Stxbp2 APN 8 3,691,971 (GRCm39) missense probably benign 0.44
IGL02976:Stxbp2 APN 8 3,691,971 (GRCm39) missense probably benign 0.44
IGL02977:Stxbp2 APN 8 3,691,971 (GRCm39) missense probably benign 0.44
IGL02983:Stxbp2 APN 8 3,691,971 (GRCm39) missense probably benign 0.44
IGL02993:Stxbp2 APN 8 3,691,971 (GRCm39) missense probably benign 0.44
IGL03008:Stxbp2 APN 8 3,691,971 (GRCm39) missense probably benign 0.44
IGL03009:Stxbp2 APN 8 3,691,971 (GRCm39) missense probably benign 0.44
IGL03038:Stxbp2 APN 8 3,691,971 (GRCm39) missense probably benign 0.44
IGL03051:Stxbp2 APN 8 3,691,971 (GRCm39) missense probably benign 0.44
IGL03061:Stxbp2 APN 8 3,691,971 (GRCm39) missense probably benign 0.44
IGL03072:Stxbp2 APN 8 3,691,971 (GRCm39) missense probably benign 0.44
IGL03110:Stxbp2 APN 8 3,683,342 (GRCm39) missense probably damaging 1.00
R0463:Stxbp2 UTSW 8 3,682,559 (GRCm39) missense probably damaging 1.00
R0608:Stxbp2 UTSW 8 3,682,559 (GRCm39) missense probably damaging 1.00
R0755:Stxbp2 UTSW 8 3,692,019 (GRCm39) missense probably benign 0.01
R1328:Stxbp2 UTSW 8 3,692,657 (GRCm39) missense possibly damaging 0.56
R1771:Stxbp2 UTSW 8 3,684,064 (GRCm39) missense probably benign 0.01
R1962:Stxbp2 UTSW 8 3,692,672 (GRCm39) missense probably benign 0.00
R2195:Stxbp2 UTSW 8 3,684,615 (GRCm39) splice site probably null
R2319:Stxbp2 UTSW 8 3,683,834 (GRCm39) missense possibly damaging 0.95
R3614:Stxbp2 UTSW 8 3,681,196 (GRCm39) missense possibly damaging 0.94
R3870:Stxbp2 UTSW 8 3,684,079 (GRCm39) missense probably damaging 1.00
R3876:Stxbp2 UTSW 8 3,683,369 (GRCm39) critical splice donor site probably null
R4703:Stxbp2 UTSW 8 3,682,521 (GRCm39) missense probably damaging 1.00
R6533:Stxbp2 UTSW 8 3,692,683 (GRCm39) missense probably benign 0.01
R6623:Stxbp2 UTSW 8 3,682,561 (GRCm39) missense probably damaging 1.00
R6665:Stxbp2 UTSW 8 3,691,998 (GRCm39) missense probably benign 0.41
R6798:Stxbp2 UTSW 8 3,691,180 (GRCm39) missense probably benign
R7152:Stxbp2 UTSW 8 3,682,583 (GRCm39) missense probably benign 0.33
R7326:Stxbp2 UTSW 8 3,691,151 (GRCm39) missense
R8237:Stxbp2 UTSW 8 3,685,695 (GRCm39) missense
R8268:Stxbp2 UTSW 8 3,682,234 (GRCm39) missense
R8709:Stxbp2 UTSW 8 3,683,914 (GRCm39) missense possibly damaging 0.50
R8811:Stxbp2 UTSW 8 3,689,541 (GRCm39) missense
R9018:Stxbp2 UTSW 8 3,692,627 (GRCm39) intron probably benign
R9043:Stxbp2 UTSW 8 3,684,478 (GRCm39) missense
R9048:Stxbp2 UTSW 8 3,687,218 (GRCm39) missense
R9212:Stxbp2 UTSW 8 3,686,220 (GRCm39) missense
R9421:Stxbp2 UTSW 8 3,682,264 (GRCm39) missense
R9643:Stxbp2 UTSW 8 3,686,392 (GRCm39) missense
Z1177:Stxbp2 UTSW 8 3,691,123 (GRCm39) missense probably benign
Predicted Primers PCR Primer
(F):5'- AAAAGTATGGCTGTGGTACTCC -3'
(R):5'- CATGTATGCATTGTGTGAGCAC -3'

Sequencing Primer
(F):5'- CAGATGTGCCGAACCTTGACTG -3'
(R):5'- ATGCACATTCAGATACTACTGACAG -3'
Posted On 2017-02-08