Incidental Mutation 'R5082:Ptbp2'
ID 387177
Institutional Source Beutler Lab
Gene Symbol Ptbp2
Ensembl Gene ENSMUSG00000028134
Gene Name polypyrimidine tract binding protein 2
Synonyms brPTB
MMRRC Submission 042671-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R5082 (G1)
Quality Score 225
Status Not validated
Chromosome 3
Chromosomal Location 119512391-119578115 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to A at 119546613 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Methionine to Leucine at position 90 (M90L)
Ref Sequence ENSEMBL: ENSMUSP00000143719 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000029780] [ENSMUST00000197464] [ENSMUST00000197833] [ENSMUST00000200097]
AlphaFold Q91Z31
Predicted Effect probably benign
Transcript: ENSMUST00000029780
AA Change: M90L

PolyPhen 2 Score 0.002 (Sensitivity: 0.99; Specificity: 0.30)
SMART Domains Protein: ENSMUSP00000029780
Gene: ENSMUSG00000028134
AA Change: M90L

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: ENSMUST00000197464
AA Change: M90L

PolyPhen 2 Score 0.024 (Sensitivity: 0.95; Specificity: 0.81)
SMART Domains Protein: ENSMUSP00000143281
Gene: ENSMUSG00000028134
AA Change: M90L

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 benign
Transcript: ENSMUST00000197833
AA Change: M90L

PolyPhen 2 Score 0.060 (Sensitivity: 0.94; Specificity: 0.84)
SMART Domains Protein: ENSMUSP00000143719
Gene: ENSMUSG00000028134
AA Change: M90L

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: ENSMUST00000199701
Predicted Effect probably benign
Transcript: ENSMUST00000200097
AA Change: M90L

PolyPhen 2 Score 0.002 (Sensitivity: 0.99; Specificity: 0.30)
SMART Domains Protein: ENSMUSP00000143510
Gene: ENSMUSG00000028134
AA Change: M90L

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: 99.2%
  • 3x: 98.6%
  • 10x: 96.9%
  • 20x: 94.3%
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: 53 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abca9 T A 11: 110,022,694 (GRCm39) M1015L probably benign Het
Aftph T C 11: 20,677,100 (GRCm39) S170G probably damaging Het
Aox4 C T 1: 58,270,642 (GRCm39) P274S possibly damaging Het
Ash1l G A 3: 88,873,541 (GRCm39) R108Q probably damaging Het
Aspm T A 1: 139,406,414 (GRCm39) L1767* probably null Het
Baz2b T A 2: 59,731,835 (GRCm39) K2068* probably null Het
Bcl9 A T 3: 97,117,218 (GRCm39) V492D probably damaging Het
Bicc1 G T 10: 70,776,352 (GRCm39) H782Q probably benign Het
Cabin1 T A 10: 75,574,164 (GRCm39) I640F probably damaging Het
Ccng1 A G 11: 40,643,015 (GRCm39) V144A possibly damaging Het
Cdc23 C A 18: 34,784,742 (GRCm39) V7L unknown Het
Ddx1 G T 12: 13,270,436 (GRCm39) C668* probably null Het
Dhx58 G A 11: 100,587,802 (GRCm39) S585L probably benign Het
Dnttip2 A T 3: 122,069,590 (GRCm39) K268N probably damaging Het
Ecd C T 14: 20,374,436 (GRCm39) probably null Het
Entpd1 A G 19: 40,713,473 (GRCm39) probably null Het
Erlin2 T C 8: 27,523,435 (GRCm39) V224A probably damaging Het
Exoc3l4 A G 12: 111,394,424 (GRCm39) S515G probably benign Het
Fcho1 T C 8: 72,169,829 (GRCm39) D98G possibly damaging Het
Fhod1 T A 8: 106,057,145 (GRCm39) D943V probably damaging Het
Gm10322 A T 10: 59,452,090 (GRCm39) E69V possibly damaging Het
Gm14295 T A 2: 176,499,210 (GRCm39) L19* probably null Het
Gm7347 T A 5: 26,262,372 (GRCm39) R50* probably null Het
Hesx1 T C 14: 26,722,731 (GRCm39) C19R probably benign Het
Hgh1 T A 15: 76,253,752 (GRCm39) F199L probably benign Het
Irak2 T C 6: 113,649,805 (GRCm39) F147L probably damaging Het
Kif22 G A 7: 126,632,549 (GRCm39) R254C possibly damaging Het
Klhl9 A T 4: 88,639,622 (GRCm39) S206R probably damaging Het
Maip1 T C 1: 57,451,010 (GRCm39) probably null Het
Mcm9 T A 10: 53,414,156 (GRCm39) E308V possibly damaging Het
Mfsd13b A T 7: 120,598,201 (GRCm39) N369I possibly damaging Het
Mga T A 2: 119,733,825 (GRCm39) H224Q probably damaging Het
Mtss1 A T 15: 58,842,868 (GRCm39) W115R probably damaging Het
Myo3b T C 2: 70,088,374 (GRCm39) V851A probably benign Het
Nectin2 A T 7: 19,472,049 (GRCm39) D113E probably damaging Het
Notch2 G A 3: 98,007,690 (GRCm39) C480Y probably damaging Het
Or6b6 G A 7: 106,570,871 (GRCm39) R227C probably benign Het
Or8b55 T C 9: 38,727,441 (GRCm39) I214T possibly damaging Het
Pfdn1 G T 18: 36,537,466 (GRCm39) N111K probably damaging Het
Pfkl A T 10: 77,832,242 (GRCm39) V283E probably damaging Het
Plbd2 G T 5: 120,629,249 (GRCm39) S305* probably null Het
Prom1 T C 5: 44,158,174 (GRCm39) probably null Het
Rai1 G A 11: 60,076,745 (GRCm39) E270K possibly damaging Het
Rbbp6 G A 7: 122,599,925 (GRCm39) probably benign Het
Reln T C 5: 22,101,075 (GRCm39) M3399V probably benign Het
Ros1 T A 10: 52,040,037 (GRCm39) Y318F possibly damaging Het
Sh2d2a A G 3: 87,759,091 (GRCm39) D231G probably benign Het
Smn1 T C 13: 100,273,890 (GRCm39) probably benign Het
Snrnp200 C T 2: 127,068,290 (GRCm39) Q877* probably null Het
Taf2 G T 15: 54,923,441 (GRCm39) H279N probably benign Het
Tnfaip3 T C 10: 18,881,032 (GRCm39) Y345C probably damaging Het
Vmn2r68 C T 7: 84,883,076 (GRCm39) M225I probably benign Het
Vps13a A T 19: 16,722,257 (GRCm39) W352R 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
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'- GCTACTGTTAATGAATGAGCATCC -3'
(R):5'- TCTGTATGTCTTTCAGCCAACG -3'

Sequencing Primer
(F):5'- GCCTGATTTCTAATGCTACCAGATG -3'
(R):5'- GTATGTCTTTCAGCCAACGGTAAC -3'
Posted On 2016-06-06