Incidental Mutation 'R5575:Ptbp2'
ID 484536
Institutional Source Beutler Lab
Gene Symbol Ptbp2
Ensembl Gene ENSMUSG00000028134
Gene Name polypyrimidine tract binding protein 2
Synonyms brPTB
MMRRC Submission 043130-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R5575 (G1)
Quality Score 225
Status Validated
Chromosome 3
Chromosomal Location 119512391-119578115 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) G to A at 119514438 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Proline to Leucine at position 463 (P463L)
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: P463L

PolyPhen 2 Score 0.864 (Sensitivity: 0.83; Specificity: 0.93)
SMART Domains Protein: ENSMUSP00000029780
Gene: ENSMUSG00000028134
AA Change: P463L

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: P463L

PolyPhen 2 Score 0.864 (Sensitivity: 0.83; Specificity: 0.93)
SMART Domains Protein: ENSMUSP00000143510
Gene: ENSMUSG00000028134
AA Change: P463L

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 0.2463 question?
Coding Region Coverage
  • 1x: 99.9%
  • 3x: 99.7%
  • 10x: 98.6%
  • 20x: 96.0%
Validation Efficiency 97% (57/59)
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: 52 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Acin1 C T 14: 54,916,195 (GRCm39) probably null Het
Adrm1 T G 2: 179,817,509 (GRCm39) D325E probably benign Het
Anapc4 T A 5: 53,013,213 (GRCm39) V433E probably damaging Het
Aplf A C 6: 87,623,129 (GRCm39) C338G probably benign Het
Atad5 A G 11: 79,991,149 (GRCm39) T681A probably benign Het
B9d2 A G 7: 25,382,757 (GRCm39) T44A probably damaging Het
Catsperg2 T C 7: 29,405,015 (GRCm39) K81R possibly damaging Het
Cep170b T A 12: 112,702,066 (GRCm39) H286Q probably damaging Het
Cfap61 G A 2: 145,859,313 (GRCm39) V434I probably benign Het
Col5a2 A T 1: 45,417,642 (GRCm39) I1311N probably damaging Het
Col9a3 A T 2: 180,240,639 (GRCm39) probably benign Het
Dsc2 A T 18: 20,168,447 (GRCm39) C671S probably damaging Het
Eif5 T C 12: 111,508,740 (GRCm39) V245A probably damaging Het
Epha5 G A 5: 84,564,361 (GRCm39) R2W probably damaging Het
Gabrb2 G A 11: 42,420,365 (GRCm39) probably benign Het
Gm3453 A G 14: 5,978,205 (GRCm38) V66A possibly damaging Het
Gna15 T C 10: 81,359,707 (GRCm39) I28V probably damaging Het
Hk3 A T 13: 55,162,583 (GRCm39) D88E probably damaging Het
Hmbox1 T C 14: 65,060,613 (GRCm39) T375A probably benign Het
Ibsp A T 5: 104,457,925 (GRCm39) E154V possibly damaging Het
Il7r A G 15: 9,508,273 (GRCm39) S350P probably benign Het
Isx T C 8: 75,619,429 (GRCm39) L207P probably benign Het
Krt35 T C 11: 99,985,450 (GRCm39) E197G probably damaging Het
Krt78 G A 15: 101,855,787 (GRCm39) Q675* probably null Het
Marchf1 T A 8: 66,920,962 (GRCm39) V217E probably damaging Het
Mertk T C 2: 128,578,485 (GRCm39) I157T probably damaging Het
Mmab A T 5: 114,574,832 (GRCm39) L147Q probably damaging Het
Ndst4 T A 3: 125,231,479 (GRCm39) V16D probably benign Het
Niban1 A T 1: 151,593,991 (GRCm39) H892L probably benign Het
Ogdhl T C 14: 32,047,804 (GRCm39) L18P possibly damaging Het
Pikfyve A C 1: 65,312,889 (GRCm39) H2089P probably damaging Het
Plxna1 A T 6: 89,301,523 (GRCm39) L1501Q possibly damaging Het
Ppp2r5c T C 12: 110,519,266 (GRCm39) F246S probably damaging Het
Rad51 A G 2: 118,964,914 (GRCm39) D274G probably benign Het
Ranbp2 T C 10: 58,328,405 (GRCm39) V2807A probably damaging Het
Rapgef4 G A 2: 71,864,464 (GRCm39) probably null Het
Rp1l1 C T 14: 64,268,433 (GRCm39) H1340Y probably benign Het
Ryr1 T A 7: 28,778,118 (GRCm39) H2133L possibly damaging Het
Scgb1c1 G A 7: 140,426,024 (GRCm39) G40E probably damaging Het
Shank2 T C 7: 143,963,871 (GRCm39) I703T probably damaging Het
Spag17 G A 3: 99,961,138 (GRCm39) A975T possibly damaging Het
Supt6 T C 11: 78,119,787 (GRCm39) D400G probably damaging Het
Synrg T C 11: 83,900,378 (GRCm39) probably null Het
Thada A C 17: 84,723,827 (GRCm39) probably null Het
Themis3 A G 17: 66,862,321 (GRCm39) S546P possibly damaging Het
Tinf2 T C 14: 55,917,631 (GRCm39) D286G probably benign Het
Tmem67 A T 4: 12,047,886 (GRCm39) V815D possibly damaging Het
Trpm1 T C 7: 63,870,018 (GRCm39) L441P possibly damaging Het
Vapa A G 17: 65,920,247 (GRCm39) V16A probably benign Het
Vmn2r38 A T 7: 9,078,635 (GRCm39) Y582* probably null Het
Vps13b A T 15: 35,930,065 (GRCm39) K3934I probably damaging Het
Wrn G A 8: 33,826,158 (GRCm39) T168I 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 3 119,514,432 (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'- AACACTGATTTTCACCCATTTGAGG -3'
(R):5'- TCTTAATGGGCAGAAGATGTATGG -3'

Sequencing Primer
(F):5'- AAGACAAAGAAGCTTGCTTACTG -3'
(R):5'- TCGAGAGGGACTTGATGA -3'
Posted On 2017-08-08