Incidental Mutation 'R8182:Ptbp2'
ID 634662
Institutional Source Beutler Lab
Gene Symbol Ptbp2
Ensembl Gene ENSMUSG00000028134
Gene Name polypyrimidine tract binding protein 2
Synonyms brPTB
MMRRC Submission 067606-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R8182 (G1)
Quality Score 225.009
Status Validated
Chromosome 3
Chromosomal Location 119512391-119578115 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 119534078 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Tyrosine to Histidine at position 264 (Y264H)
Ref Sequence ENSEMBL: ENSMUSP00000029780 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000029780] [ENSMUST00000195902] [ENSMUST00000197833] [ENSMUST00000200097]
AlphaFold Q91Z31
Predicted Effect probably damaging
Transcript: ENSMUST00000029780
AA Change: Y264H

PolyPhen 2 Score 0.992 (Sensitivity: 0.70; Specificity: 0.97)
SMART Domains Protein: ENSMUSP00000029780
Gene: ENSMUSG00000028134
AA Change: Y264H

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: Y28H

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000143325
Gene: ENSMUSG00000028134
AA Change: Y28H

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 probably damaging
Transcript: ENSMUST00000197833
AA Change: Y264H

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000143719
Gene: ENSMUSG00000028134
AA Change: Y264H

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 possibly damaging
Transcript: ENSMUST00000200097
AA Change: Y264H

PolyPhen 2 Score 0.554 (Sensitivity: 0.88; Specificity: 0.91)
SMART Domains Protein: ENSMUSP00000143510
Gene: ENSMUSG00000028134
AA Change: Y264H

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: 100.0%
  • 3x: 99.9%
  • 10x: 99.6%
  • 20x: 98.7%
Validation Efficiency 98% (48/49)
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: 48 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Adprhl1 A G 8: 13,272,774 (GRCm39) V1328A probably benign Het
Akna T C 4: 63,313,034 (GRCm39) Y363C probably damaging Het
Aph1c A G 9: 66,740,549 (GRCm39) I59T possibly damaging Het
Bbs7 A T 3: 36,664,372 (GRCm39) F100I probably damaging Het
Cibar1 T C 4: 12,171,842 (GRCm39) H30R probably benign Het
Eef2k G A 7: 120,472,626 (GRCm39) R113Q probably damaging Het
Fam221b G A 4: 43,660,342 (GRCm39) R416C probably damaging Het
Fam98b C A 2: 117,080,302 (GRCm39) D18E probably damaging Het
Fat2 T A 11: 55,175,223 (GRCm39) Y1830F possibly damaging Het
Fbrsl1 T A 5: 110,526,861 (GRCm39) Q221L possibly damaging Het
Fbxo4 T C 15: 3,998,451 (GRCm39) R336G probably damaging Het
Fbxw15 A T 9: 109,384,778 (GRCm39) C341S probably benign Het
Fip1l1 T C 5: 74,748,813 (GRCm39) S398P probably damaging Het
Fsip2 A G 2: 82,806,951 (GRCm39) D1090G probably damaging Het
Fyb1 T A 15: 6,681,293 (GRCm39) M706K probably benign Het
Glg1 A T 8: 111,897,929 (GRCm39) F747I possibly damaging Het
Gm8257 A G 14: 44,887,623 (GRCm39) L254P probably benign Het
Hnf4g T C 3: 3,716,679 (GRCm39) Y283H possibly damaging Het
Irx6 C A 8: 93,403,642 (GRCm39) Y122* probably null Het
Jph4 C T 14: 55,347,213 (GRCm39) G445R possibly damaging Het
Kif16b G T 2: 142,554,819 (GRCm39) R660S possibly damaging Het
Kif21a C T 15: 90,819,964 (GRCm39) G1556D possibly damaging Het
Kif3a T A 11: 53,485,133 (GRCm39) Y531* probably null Het
Lrp2 T C 2: 69,319,673 (GRCm39) D1950G probably damaging Het
Med23 T G 10: 24,788,705 (GRCm39) S1371A probably benign Het
Mef2a T A 7: 66,917,875 (GRCm39) E112D probably benign Het
Mxra8 C G 4: 155,925,589 (GRCm39) Y99* probably null Het
Nbeal1 A G 1: 60,239,292 (GRCm39) T112A probably benign Het
Or8b49 G A 9: 38,505,840 (GRCm39) V108I probably benign Het
Pclo G A 5: 14,905,634 (GRCm39) E4955K unknown Het
Poc1b T C 10: 98,991,005 (GRCm39) probably null Het
Rhobtb2 A G 14: 70,034,070 (GRCm39) V385A probably benign Het
Rlf G A 4: 121,008,102 (GRCm39) P403S possibly damaging Het
Rnase9 T C 14: 51,276,537 (GRCm39) N147S probably benign Het
Serpinb9f A G 13: 33,518,603 (GRCm39) I368V probably benign Het
Slc1a1 A T 19: 28,878,848 (GRCm39) T196S probably benign Het
Smarca2 A G 19: 26,608,120 (GRCm39) S60G probably benign Het
Tbc1d4 A T 14: 101,744,990 (GRCm39) V212E probably damaging Het
Thap12 T A 7: 98,365,584 (GRCm39) I584N probably damaging Het
Ube3b T A 5: 114,530,199 (GRCm39) N195K possibly damaging Het
Upk3b T C 5: 136,067,982 (GRCm39) C58R probably damaging Het
Ush1c A G 7: 45,847,775 (GRCm39) probably null Het
Vmn1r60 T C 7: 5,547,876 (GRCm39) T75A Het
Vmn2r77 T A 7: 86,460,801 (GRCm39) L709H probably damaging Het
Wdcp T C 12: 4,901,850 (GRCm39) S569P probably damaging Het
Zfp418 A T 7: 7,184,658 (GRCm39) N207I probably benign Het
Zfp764l1 C T 7: 126,992,496 (GRCm39) C38Y probably null Het
Zfp808 G A 13: 62,319,521 (GRCm39) C250Y probably damaging 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
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
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'- AGGTATGAAGTCCAAGGTCAATC -3'
(R):5'- CACATTTAGAACAGTACCATGGC -3'

Sequencing Primer
(F):5'- AGTAGGTCACCAGGCACTTTC -3'
(R):5'- GAACAGTACCATGGCTTGATATGTG -3'
Posted On 2020-07-13