Incidental Mutation 'R3606:Ptbp2'
ID 269080
Institutional Source Beutler Lab
Gene Symbol Ptbp2
Ensembl Gene ENSMUSG00000028134
Gene Name polypyrimidine tract binding protein 2
Synonyms brPTB
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R3606 (G1)
Quality Score 225
Status Not validated
Chromosome 3
Chromosomal Location 119512391-119578115 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 119541281 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Leucine to Proline at position 223 (L223P)
Ref Sequence ENSEMBL: ENSMUSP00000143510 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000029780] [ENSMUST00000197464] [ENSMUST00000197833] [ENSMUST00000200097]
AlphaFold Q91Z31
Predicted Effect probably damaging
Transcript: ENSMUST00000029780
AA Change: L223P

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000029780
Gene: ENSMUSG00000028134
AA Change: L223P

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 noncoding transcript
Transcript: ENSMUST00000196343
Predicted Effect probably damaging
Transcript: ENSMUST00000197464
AA Change: L223P

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000143281
Gene: ENSMUSG00000028134
AA Change: L223P

DomainStartEndE-ValueType
RRM 60 129 3.8e-6 SMART
low complexity region 144 159 N/A INTRINSIC
Pfam:RRM_1 183 239 8.6e-6 PFAM
Pfam:RRM_5 197 240 1.1e-6 PFAM
Predicted Effect probably damaging
Transcript: ENSMUST00000197833
AA Change: L223P

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000143719
Gene: ENSMUSG00000028134
AA Change: L223P

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: ENSMUST00000198399
Predicted Effect noncoding transcript
Transcript: ENSMUST00000199417
Predicted Effect probably damaging
Transcript: ENSMUST00000200097
AA Change: L223P

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000143510
Gene: ENSMUSG00000028134
AA Change: L223P

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: 99.4%
  • 3x: 98.6%
  • 10x: 97.0%
  • 20x: 93.8%
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: 20 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Arid4b T C 13: 14,294,826 (GRCm39) V36A probably damaging Het
Cd101 A T 3: 100,927,913 (GRCm39) I56N probably damaging Het
Cs A T 10: 128,195,892 (GRCm39) H367L probably benign Het
Ddb1 A G 19: 10,605,857 (GRCm39) E1095G probably damaging Het
Fgfrl1 C A 5: 108,853,289 (GRCm39) T213K probably damaging Het
Ift70a1 T C 2: 75,811,621 (GRCm39) D154G probably benign Het
Kprp C A 3: 92,731,588 (GRCm39) Q487H unknown Het
Myom2 T C 8: 15,119,775 (GRCm39) V177A probably damaging Het
Nelfcd A G 2: 174,268,337 (GRCm39) Y525C probably benign Het
Or2t49 C T 11: 58,392,957 (GRCm39) V148M possibly damaging Het
Or5i1 C A 2: 87,613,551 (GRCm39) F222L probably benign Het
Pcdhgc5 A G 18: 37,953,560 (GRCm39) D278G probably benign Het
Peg3 T C 7: 6,711,508 (GRCm39) E1238G probably damaging Het
Plekha7 T C 7: 115,763,477 (GRCm39) D313G possibly damaging Het
Ppp1r9a A G 6: 5,113,674 (GRCm39) N726S possibly damaging Het
Psmd3 C T 11: 98,581,780 (GRCm39) R302W probably damaging Het
Ranbp10 A G 8: 106,502,667 (GRCm39) S300P probably benign Het
Rundc3b A T 5: 8,562,386 (GRCm39) D327E probably damaging Het
Tsr1 T C 11: 74,796,059 (GRCm39) S562P probably benign Het
Ube3c A G 5: 29,803,936 (GRCm39) T180A possibly 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
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'- AAAAGGCGCACTGAACTGTG -3'
(R):5'- TGTCCTTCACCAAGTAAGTGTC -3'

Sequencing Primer
(F):5'- ACTGAACTGTGTGCATGCAC -3'
(R):5'- GTCCTTCACCAAGTAAGTGTCATTTG -3'
Posted On 2015-02-19