Incidental Mutation 'R5836:Ptbp2'
ID 449577
Institutional Source Beutler Lab
Gene Symbol Ptbp2
Ensembl Gene ENSMUSG00000028134
Gene Name polypyrimidine tract binding protein 2
Synonyms brPTB
MMRRC Submission 043222-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R5836 (G1)
Quality Score 225
Status Not validated
Chromosome 3
Chromosomal Location 119512391-119578115 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) G to A at 119519746 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Threonine to Isoleucine at position 107 (T107I)
Ref Sequence ENSEMBL: ENSMUSP00000143325 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000029780] [ENSMUST00000195902] [ENSMUST00000197387] [ENSMUST00000197833] [ENSMUST00000200097]
AlphaFold Q91Z31
Predicted Effect probably benign
Transcript: ENSMUST00000029780
AA Change: T338I

PolyPhen 2 Score 0.332 (Sensitivity: 0.90; Specificity: 0.89)
SMART Domains Protein: ENSMUSP00000029780
Gene: ENSMUSG00000028134
AA Change: T338I

DomainStartEndE-ValueType
RRM 60 129 3.8e-6 SMART
low complexity region 144 159 N/A INTRINSIC
RRM 182 251 1.22e-4 SMART
low complexity region 285 295 N/A INTRINSIC
RRM 339 408 1.07e-9 SMART
RRM 456 526 1.99e-9 SMART
Predicted Effect probably damaging
Transcript: ENSMUST00000195902
AA Change: T107I

PolyPhen 2 Score 0.978 (Sensitivity: 0.76; Specificity: 0.96)
SMART Domains Protein: ENSMUSP00000143325
Gene: ENSMUSG00000028134
AA Change: T107I

DomainStartEndE-ValueType
Blast:RRM_2 1 48 7e-25 BLAST
PDB:1SJR|A 1 48 3e-27 PDB
low complexity region 49 59 N/A INTRINSIC
Pfam:RRM_1 109 154 1.9e-4 PFAM
Pfam:RRM_6 109 155 1.4e-6 PFAM
Pfam:RRM_5 124 155 2.6e-5 PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000196203
Predicted Effect possibly damaging
Transcript: ENSMUST00000197387
AA Change: T15I

PolyPhen 2 Score 0.915 (Sensitivity: 0.81; Specificity: 0.94)
Predicted Effect probably benign
Transcript: ENSMUST00000197833
AA Change: T338I

PolyPhen 2 Score 0.330 (Sensitivity: 0.90; Specificity: 0.89)
SMART Domains Protein: ENSMUSP00000143719
Gene: ENSMUSG00000028134
AA Change: T338I

DomainStartEndE-ValueType
RRM 60 129 1.7e-8 SMART
low complexity region 144 159 N/A INTRINSIC
RRM 182 251 5.2e-7 SMART
low complexity region 285 295 N/A INTRINSIC
PDB:2MJU|A 325 349 4e-7 PDB
Predicted Effect noncoding transcript
Transcript: ENSMUST00000198540
Predicted Effect noncoding transcript
Transcript: ENSMUST00000198733
Predicted Effect probably benign
Transcript: ENSMUST00000200097
AA Change: T338I

PolyPhen 2 Score 0.332 (Sensitivity: 0.90; Specificity: 0.89)
SMART Domains Protein: ENSMUSP00000143510
Gene: ENSMUSG00000028134
AA Change: T338I

DomainStartEndE-ValueType
RRM 60 129 3.8e-6 SMART
low complexity region 144 159 N/A INTRINSIC
RRM 182 251 1.22e-4 SMART
low complexity region 285 295 N/A INTRINSIC
RRM 339 408 1.07e-9 SMART
RRM 456 525 8.08e-10 SMART
Coding Region Coverage
  • 1x: 99.9%
  • 3x: 99.6%
  • 10x: 98.2%
  • 20x: 94.9%
Validation Efficiency
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] The protein encoded by this gene binds to intronic polypyrimidine clusters in pre-mRNA molecules and is implicated in controlling the assembly of other splicing-regulatory proteins. This protein is very similar to the polypyrimidine tract binding protein (PTB) but most of its isoforms are expressed primarily in the brain. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Jul 2014]
PHENOTYPE: Mice homozygous for a null mutation display neonatal lethality with premature neurogenesis and abnormal neural stem cell polarity. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 38 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abcf1 G T 17: 36,272,918 (GRCm39) A243D possibly damaging Het
Azin2 C T 4: 128,842,670 (GRCm39) G128D probably damaging Het
Babam1 A G 8: 71,855,687 (GRCm39) E260G probably benign Het
Brwd1 A T 16: 95,865,958 (GRCm39) S275T probably damaging Het
Cd8a T C 6: 71,350,775 (GRCm39) V80A possibly damaging Het
Clec4a3 T C 6: 122,929,861 (GRCm39) F12S possibly damaging Het
Dennd2b A T 7: 109,140,552 (GRCm39) S225T possibly damaging Het
Dnah5 A C 15: 28,383,738 (GRCm39) N2987H probably damaging Het
Dock9 A G 14: 121,918,763 (GRCm39) F78S probably damaging Het
Eml3 A G 19: 8,918,659 (GRCm39) T885A possibly damaging Het
Esr1 T C 10: 4,662,817 (GRCm39) V145A probably benign Het
Gm5108 A G 5: 68,101,953 (GRCm39) probably benign Het
Gpr179 T C 11: 97,229,882 (GRCm39) S758G probably benign Het
Heatr1 T A 13: 12,423,617 (GRCm39) L538Q probably damaging Het
Ikzf2 A G 1: 69,578,546 (GRCm39) I176T probably damaging Het
Lrp3 A G 7: 34,902,747 (GRCm39) V533A probably damaging Het
Nkx2-5 A T 17: 27,058,063 (GRCm39) V297E possibly damaging Het
Or13a19 G A 7: 139,902,827 (GRCm39) V72I probably benign Het
Or2y16 T C 11: 49,335,353 (GRCm39) L225P probably damaging Het
Or8g23 T C 9: 38,971,918 (GRCm39) T15A probably benign Het
Pclo T A 5: 14,728,549 (GRCm39) probably benign Het
Pdgfra T C 5: 75,324,435 (GRCm39) W97R possibly damaging Het
Plekha5 T C 6: 140,372,250 (GRCm39) Y67H probably damaging Het
Plin5 A T 17: 56,422,549 (GRCm39) probably null Het
Pramel11 A G 4: 143,623,490 (GRCm39) V228A probably benign Het
Prickle1 T A 15: 93,400,898 (GRCm39) K529* probably null Het
Ptpn12 C T 5: 21,214,544 (GRCm39) W197* probably null Het
Rhobtb1 T C 10: 69,105,819 (GRCm39) V128A probably damaging Het
Ryr2 T C 13: 11,618,618 (GRCm39) T3866A probably damaging Het
Serpina3m T C 12: 104,355,509 (GRCm39) Y59H probably damaging Het
Slc12a6 T C 2: 112,172,343 (GRCm39) V414A possibly damaging Het
Slc34a1 T C 13: 55,561,278 (GRCm39) M581T probably benign Het
Slco1c1 A G 6: 141,515,040 (GRCm39) Y596C probably damaging Het
Stoml1 T C 9: 58,168,123 (GRCm39) L278P probably benign Het
Tecpr2 C T 12: 110,897,945 (GRCm39) A399V possibly damaging Het
Tmem229a T C 6: 24,955,016 (GRCm39) E246G probably damaging Het
Vmn1r224 A T 17: 20,639,953 (GRCm39) I177L probably benign Het
Zswim5 C T 4: 116,842,000 (GRCm39) T860I probably benign Het
Other mutations in Ptbp2
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL01294:Ptbp2 APN 3 119,541,461 (GRCm39) missense probably damaging 1.00
IGL01874:Ptbp2 APN 3 119,541,449 (GRCm39) missense probably damaging 1.00
IGL01940:Ptbp2 APN 3 119,519,764 (GRCm39) missense possibly damaging 0.46
IGL02094:Ptbp2 APN 3 119,546,589 (GRCm39) splice site probably benign
IGL02374:Ptbp2 APN 3 119,514,342 (GRCm39) splice site probably benign
IGL02523:Ptbp2 APN 3 119,534,136 (GRCm39) nonsense probably null
IGL02879:Ptbp2 APN 3 119,534,054 (GRCm39) missense probably damaging 1.00
IGL03149:Ptbp2 APN 3 119,514,074 (GRCm39) missense possibly damaging 0.86
IGL03153:Ptbp2 APN 3 119,545,593 (GRCm39) missense probably benign 0.04
IGL03391:Ptbp2 APN 3 119,514,031 (GRCm39) nonsense probably null
R0067:Ptbp2 UTSW 3 119,514,290 (GRCm39) missense probably benign 0.00
R0067:Ptbp2 UTSW 3 119,514,290 (GRCm39) missense probably benign 0.00
R0091:Ptbp2 UTSW 3 119,514,310 (GRCm39) missense probably damaging 1.00
R0396:Ptbp2 UTSW 3 119,517,847 (GRCm39) splice site probably benign
R0511:Ptbp2 UTSW 3 119,514,613 (GRCm39) missense probably benign
R0722:Ptbp2 UTSW 3 119,514,570 (GRCm39) missense possibly damaging 0.72
R1573:Ptbp2 UTSW 3 119,546,754 (GRCm39) missense probably damaging 1.00
R1907:Ptbp2 UTSW 3 119,555,398 (GRCm39) missense probably damaging 1.00
R3606:Ptbp2 UTSW 3 119,541,281 (GRCm39) missense probably damaging 1.00
R5082:Ptbp2 UTSW 3 119,546,613 (GRCm39) missense probably benign 0.06
R5575:Ptbp2 UTSW 3 119,514,438 (GRCm39) missense possibly damaging 0.86
R5575:Ptbp2 UTSW 3 119,514,432 (GRCm39) splice site probably null
R5655:Ptbp2 UTSW 3 119,517,806 (GRCm39) missense probably benign 0.44
R6290:Ptbp2 UTSW 3 119,517,769 (GRCm39) missense possibly damaging 0.50
R6364:Ptbp2 UTSW 3 119,534,091 (GRCm39) missense probably damaging 1.00
R6398:Ptbp2 UTSW 3 119,514,484 (GRCm39) missense probably benign 0.23
R6574:Ptbp2 UTSW 3 119,541,596 (GRCm39) missense probably damaging 0.99
R7037:Ptbp2 UTSW 3 119,545,557 (GRCm39) missense probably damaging 1.00
R7243:Ptbp2 UTSW 3 119,546,761 (GRCm39) missense possibly damaging 0.47
R7718:Ptbp2 UTSW 3 119,514,637 (GRCm39) missense probably null 1.00
R8182:Ptbp2 UTSW 3 119,534,078 (GRCm39) missense probably damaging 0.99
R8443:Ptbp2 UTSW 3 119,541,467 (GRCm39) missense probably damaging 1.00
R9110:Ptbp2 UTSW 3 119,541,258 (GRCm39) missense possibly damaging 0.69
R9164:Ptbp2 UTSW 3 119,546,640 (GRCm39) missense probably damaging 0.96
Predicted Primers PCR Primer
(F):5'- GTACGGAGATTTTATTCAGAAGCAG -3'
(R):5'- ACCATTTGGAACGGTCACC -3'

Sequencing Primer
(F):5'- AGCAGAAATACAAAAGATATTTTGGC -3'
(R):5'- TTTGGAACGGTCACCCATAAG -3'
Posted On 2016-12-20