Incidental Mutation 'R0722:Ptbp2'
ID 63552
Institutional Source Beutler Lab
Gene Symbol Ptbp2
Ensembl Gene ENSMUSG00000028134
Gene Name polypyrimidine tract binding protein 2
Synonyms brPTB
MMRRC Submission 038904-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R0722 (G1)
Quality Score 169
Status Validated
Chromosome 3
Chromosomal Location 119512391-119578115 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) C to T at 119514570 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Arginine to Glutamine at position 419 (R419Q)
Ref Sequence ENSEMBL: ENSMUSP00000143510 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000029780] [ENSMUST00000195902] [ENSMUST00000197387] [ENSMUST00000197833] [ENSMUST00000200097]
AlphaFold Q91Z31
Predicted Effect possibly damaging
Transcript: ENSMUST00000029780
AA Change: R419Q

PolyPhen 2 Score 0.716 (Sensitivity: 0.86; Specificity: 0.92)
SMART Domains Protein: ENSMUSP00000029780
Gene: ENSMUSG00000028134
AA Change: R419Q

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 benign
Transcript: ENSMUST00000195902
SMART Domains Protein: ENSMUSP00000143325
Gene: ENSMUSG00000028134

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 probably benign
Transcript: ENSMUST00000197387
Predicted Effect probably benign
Transcript: ENSMUST00000197833
SMART Domains Protein: ENSMUSP00000143719
Gene: ENSMUSG00000028134

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: ENSMUST00000198733
Predicted Effect possibly damaging
Transcript: ENSMUST00000200097
AA Change: R419Q

PolyPhen 2 Score 0.716 (Sensitivity: 0.86; Specificity: 0.92)
SMART Domains Protein: ENSMUSP00000143510
Gene: ENSMUSG00000028134
AA Change: R419Q

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
Meta Mutation Damage Score 0.2200 question?
Coding Region Coverage
  • 1x: 99.1%
  • 3x: 98.4%
  • 10x: 96.5%
  • 20x: 91.7%
Validation Efficiency 97% (63/65)
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: 53 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Adap2 T C 11: 80,047,810 (GRCm39) F89L possibly damaging Het
Akr1c13 A G 13: 4,247,931 (GRCm39) probably null Het
Atp10a A G 7: 58,465,931 (GRCm39) I1053V possibly damaging Het
Bmper G T 9: 23,285,224 (GRCm39) V258L probably benign Het
Brd4 T C 17: 32,431,956 (GRCm39) H636R possibly damaging Het
Cacna2d4 C T 6: 119,284,247 (GRCm39) R745W probably damaging Het
Ccbe1 C T 18: 66,217,877 (GRCm39) C112Y probably damaging Het
Ccdc28b T A 4: 129,514,945 (GRCm39) probably null Het
Cd320 T C 17: 34,065,004 (GRCm39) S46P possibly damaging Het
Cfap251 T A 5: 123,394,248 (GRCm39) V379E probably damaging Het
Cfap44 G A 16: 44,225,039 (GRCm39) E95K possibly damaging Het
Clpp T C 17: 57,299,901 (GRCm39) V144A probably damaging Het
Crtam A T 9: 40,903,912 (GRCm39) C96S probably damaging Het
Dcst1 C T 3: 89,261,112 (GRCm39) R480H probably benign Het
Dock2 A T 11: 34,414,970 (GRCm39) probably benign Het
Ermard A G 17: 15,242,390 (GRCm39) T189A probably benign Het
Gm10840 A G 11: 106,051,902 (GRCm39) probably benign Het
Gm4845 T A 1: 141,184,598 (GRCm39) noncoding transcript Het
Heatr1 A G 13: 12,420,918 (GRCm39) E403G probably benign Het
Herc4 A G 10: 63,121,844 (GRCm39) I399V probably null Het
Htr1f A G 16: 64,746,254 (GRCm39) I346T probably damaging Het
Igf2r T C 17: 12,934,382 (GRCm39) probably null Het
Jmy G A 13: 93,589,325 (GRCm39) T644I probably benign Het
Kcnn2 T C 18: 45,692,543 (GRCm39) C40R possibly damaging Het
Krt13 T G 11: 100,009,979 (GRCm39) K297T probably damaging Het
Lrba T C 3: 86,513,296 (GRCm39) probably null Het
Lrrc8b T C 5: 105,627,978 (GRCm39) V108A possibly damaging Het
Lrrc8c T A 5: 105,727,414 (GRCm39) V26E probably damaging Het
Or10g6 A G 9: 39,934,295 (GRCm39) D202G probably damaging Het
Or5p6 A G 7: 107,631,541 (GRCm39) F3S probably benign Het
Pcna A G 2: 132,093,155 (GRCm39) probably benign Het
Pgm2 A T 5: 64,265,022 (GRCm39) R348* probably null Het
Pikfyve T G 1: 65,292,682 (GRCm39) S1378A probably damaging Het
Pkp2 T C 16: 16,064,892 (GRCm39) V472A probably benign Het
Pld5 A G 1: 175,803,081 (GRCm39) F395L probably benign Het
Plekhb1 A T 7: 100,294,810 (GRCm39) Y169N probably damaging Het
Polr2c T A 8: 95,589,265 (GRCm39) Y186N probably damaging Het
Ppp1r16a C T 15: 76,577,869 (GRCm39) Q328* probably null Het
Prr5l A G 2: 101,547,819 (GRCm39) probably benign Het
Ralgapa2 A G 2: 146,230,451 (GRCm39) V1038A probably damaging Het
Rassf2 A G 2: 131,844,830 (GRCm39) V204A probably damaging Het
Slc22a22 T C 15: 57,119,949 (GRCm39) probably null Het
Slit1 T C 19: 41,596,874 (GRCm39) Y1075C probably damaging Het
Smc5 C A 19: 23,186,291 (GRCm39) L1055F probably damaging Het
Spidr A G 16: 15,730,645 (GRCm39) F620S probably damaging Het
Susd1 A G 4: 59,379,749 (GRCm39) S293P possibly damaging Het
Tepsin A G 11: 119,986,163 (GRCm39) probably benign Het
Vmn2r68 A T 7: 84,870,794 (GRCm39) L830I possibly damaging Het
Vtn A G 11: 78,391,680 (GRCm39) probably benign Het
Zfp267 C T 3: 36,219,218 (GRCm39) H414Y probably benign Het
Zfp280d T G 9: 72,219,383 (GRCm39) S162A possibly damaging Het
Zfp608 T G 18: 55,033,306 (GRCm39) K409T probably damaging Het
Zfp738 A T 13: 67,819,643 (GRCm39) M116K 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
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
R5836:Ptbp2 UTSW 3 119,519,746 (GRCm39) missense probably damaging 0.98
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'- GAGTTCGCAGATCCTCTTCTGCTAC -3'
(R):5'- GGCAGGTAAGGAATTGGAGTTACCC -3'

Sequencing Primer
(F):5'- GACCTGCTTGGCTGATAATATGAC -3'
(R):5'- GTTACCCAGATCTAGTGACTAGTGAG -3'
Posted On 2013-07-30