Incidental Mutation 'IGL02948:Stxbp2'
ID 364845
Institutional Source Australian Phenomics Network (link to record)
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 # IGL02948
Quality Score
Status
Chromosome 8
Chromosomal Location 3680955-3693644 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to T at 3691971 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Isoleucine to Phenylalanine at position 538 (I538F)
Ref Sequence ENSEMBL: ENSMUSP00000125405 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000160708]
AlphaFold Q64324
Predicted Effect unknown
Transcript: ENSMUST00000004745
AA Change: I538F
SMART Domains Protein: ENSMUSP00000004745
Gene: ENSMUSG00000004626
AA Change: I538F

DomainStartEndE-ValueType
Pfam:Sec1 29 580 6.8e-113 PFAM
Predicted Effect unknown
Transcript: ENSMUST00000159370
AA Change: I69F
Predicted Effect noncoding transcript
Transcript: ENSMUST00000159652
Predicted Effect noncoding transcript
Transcript: ENSMUST00000160435
Predicted Effect probably benign
Transcript: ENSMUST00000160708
AA Change: I538F

PolyPhen 2 Score 0.439 (Sensitivity: 0.89; Specificity: 0.90)
SMART Domains Protein: ENSMUSP00000125405
Gene: ENSMUSG00000004626
AA Change: I538F

DomainStartEndE-ValueType
Pfam:Sec1 29 579 4.9e-112 PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000161629
Predicted Effect noncoding transcript
Transcript: ENSMUST00000162047
Predicted Effect noncoding transcript
Transcript: ENSMUST00000162832
Coding Region Coverage
Validation Efficiency
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: 54 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Aass A T 6: 23,094,318 (GRCm39) probably benign Het
Ano3 A T 2: 110,527,363 (GRCm39) probably benign Het
Arpp21 T C 9: 112,005,268 (GRCm39) Y193C probably damaging Het
Atm G A 9: 53,364,740 (GRCm39) probably benign Het
Ceacam13 C T 7: 17,744,988 (GRCm39) probably benign Het
Cenpi T A X: 133,250,017 (GRCm39) C599S possibly damaging Het
Clec7a A C 6: 129,442,441 (GRCm39) D195E possibly damaging Het
Cnksr1 T C 4: 133,962,417 (GRCm39) probably null Het
Cntn1 A G 15: 92,143,891 (GRCm39) T285A probably benign Het
Dusp4 G T 8: 35,285,726 (GRCm39) G329V probably damaging Het
Emb C A 13: 117,409,602 (GRCm39) probably benign Het
Esyt1 A T 10: 128,355,040 (GRCm39) S496T probably damaging Het
Evpl T C 11: 116,112,648 (GRCm39) T1681A probably damaging Het
Fam131b A C 6: 42,297,926 (GRCm39) probably benign Het
Fam162b T C 10: 51,463,392 (GRCm39) M92V probably damaging Het
Fbxw2 T C 2: 34,695,723 (GRCm39) *455W probably null Het
Gm12886 A G 4: 121,280,234 (GRCm39) L14P unknown Het
Gpc4 A T X: 51,163,178 (GRCm39) V235E probably damaging Het
Gss A G 2: 155,419,541 (GRCm39) L170P probably damaging Het
Hbs1l C T 10: 21,217,610 (GRCm39) probably benign Het
Hhatl T C 9: 121,618,857 (GRCm39) M92V probably benign Het
Hhla1 A T 15: 65,814,542 (GRCm39) L194H probably damaging Het
Hivep2 C A 10: 14,004,757 (GRCm39) R452S probably benign Het
Homer2 C A 7: 81,299,393 (GRCm39) W24L probably damaging Het
Lhcgr A T 17: 89,050,050 (GRCm39) L492H probably damaging Het
Lrba C A 3: 86,217,691 (GRCm39) probably null Het
Lrp2 G T 2: 69,318,181 (GRCm39) P2090Q probably damaging Het
Lyl1 C T 8: 85,429,300 (GRCm39) P3L possibly damaging Het
Madd T A 2: 90,973,172 (GRCm39) M1497L probably benign Het
Naprt C T 15: 75,764,206 (GRCm39) R336Q probably damaging Het
Nars1 A G 18: 64,638,266 (GRCm39) C266R possibly damaging Het
Or10v1 T A 19: 11,874,145 (GRCm39) Y253* probably null Het
Or5k8 T A 16: 58,644,451 (GRCm39) Q207L probably benign Het
Pard3 A T 8: 128,032,975 (GRCm39) T190S probably benign Het
Pstpip2 A G 18: 77,942,507 (GRCm39) N86S probably benign Het
Ptgfrn T C 3: 100,980,135 (GRCm39) T402A probably benign Het
Rnf130 T C 11: 49,943,598 (GRCm39) probably benign Het
Ropn1l T C 15: 31,451,325 (GRCm39) D53G possibly damaging Het
Rps6ka2 G A 17: 7,521,849 (GRCm39) probably null Het
Rtn2 T C 7: 19,027,036 (GRCm39) S17P probably damaging Het
Shank2 T C 7: 143,963,373 (GRCm39) V327A probably benign Het
Slc22a16 T G 10: 40,449,958 (GRCm39) Y131* probably null Het
Slc28a2 T A 2: 122,288,458 (GRCm39) M583K possibly damaging Het
Slco1a6 G T 6: 142,078,961 (GRCm39) probably null Het
Slfn8 T A 11: 82,894,078 (GRCm39) I854F probably damaging Het
Strip1 T C 3: 107,520,582 (GRCm39) R823G probably benign Het
Tcl1b5 C T 12: 105,145,273 (GRCm39) T79M probably benign Het
Tmem104 G T 11: 115,088,122 (GRCm39) A36S probably damaging Het
Trim55 T A 3: 19,725,116 (GRCm39) L211Q probably damaging Het
Trim80 T C 11: 115,332,419 (GRCm39) W204R possibly damaging Het
Ttbk1 G A 17: 46,757,256 (GRCm39) T1126I probably benign Het
Ubqln2 C T X: 152,282,692 (GRCm39) Q415* probably null Het
Unc13a C T 8: 72,103,193 (GRCm39) R931H possibly damaging Het
Utp4 T A 8: 107,621,273 (GRCm39) S17T probably benign 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
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
IGL02988:Stxbp2 UTSW 8 3,683,267 (GRCm39) intron probably benign
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
Posted On 2015-12-18