Incidental Mutation 'R5147:Ppp2r2b'
ID 395179
Institutional Source Beutler Lab
Gene Symbol Ppp2r2b
Ensembl Gene ENSMUSG00000024500
Gene Name protein phosphatase 2, regulatory subunit B, beta
Synonyms PP2A-PR55B, SCA12, PR55-BETA, 6330404L05Rik, 2900026H06Rik, E130009M08Rik
MMRRC Submission 042731-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R5147 (G1)
Quality Score 225
Status Not validated
Chromosome 18
Chromosomal Location 42777811-43192827 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) C to T at 42778942 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Valine to Isoleucine at position 398 (V398I)
Ref Sequence ENSEMBL: ENSMUSP00000025377 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000025377] [ENSMUST00000117687] [ENSMUST00000120632]
AlphaFold Q6ZWR4
Predicted Effect probably benign
Transcript: ENSMUST00000025377
AA Change: V398I

PolyPhen 2 Score 0.001 (Sensitivity: 0.99; Specificity: 0.15)
SMART Domains Protein: ENSMUSP00000025377
Gene: ENSMUSG00000024500
AA Change: V398I

DomainStartEndE-ValueType
WD40 14 55 6.42e-1 SMART
WD40 82 122 3.7e0 SMART
WD40 164 203 1.66e0 SMART
WD40 214 254 1.38e1 SMART
WD40 273 311 5.7e1 SMART
Blast:WD40 315 369 6e-26 BLAST
WD40 405 442 1.33e1 SMART
Predicted Effect probably benign
Transcript: ENSMUST00000117687
AA Change: V395I

PolyPhen 2 Score 0.000 (Sensitivity: 1.00; Specificity: 0.00)
SMART Domains Protein: ENSMUSP00000113731
Gene: ENSMUSG00000024500
AA Change: V395I

DomainStartEndE-ValueType
WD40 13 52 1.92e0 SMART
WD40 79 119 3.7e0 SMART
WD40 161 200 1.66e0 SMART
WD40 211 251 1.38e1 SMART
WD40 270 308 5.7e1 SMART
Blast:WD40 312 366 4e-26 BLAST
WD40 402 439 1.33e1 SMART
Predicted Effect probably benign
Transcript: ENSMUST00000120632
AA Change: V395I

PolyPhen 2 Score 0.000 (Sensitivity: 1.00; Specificity: 0.00)
SMART Domains Protein: ENSMUSP00000113411
Gene: ENSMUSG00000024500
AA Change: V395I

DomainStartEndE-ValueType
WD40 13 52 1.92e0 SMART
WD40 79 119 3.7e0 SMART
WD40 161 200 1.66e0 SMART
WD40 211 251 1.38e1 SMART
WD40 270 308 5.7e1 SMART
Blast:WD40 312 366 4e-26 BLAST
WD40 402 439 1.33e1 SMART
Predicted Effect noncoding transcript
Transcript: ENSMUST00000136118
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.6%
  • 10x: 97.1%
  • 20x: 94.5%
Validation Efficiency
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] The product of this gene belongs to the phosphatase 2 regulatory subunit B family. Protein phosphatase 2 is one of the four major Ser/Thr phosphatases, and it is implicated in the negative control of cell growth and division. It consists of a common heteromeric core enzyme, which is composed of a catalytic subunit and a constant regulatory subunit, that associates with a variety of regulatory subunits. The B regulatory subunit might modulate substrate selectivity and catalytic activity. This gene encodes a beta isoform of the regulatory subunit B55 subfamily. Defects in this gene cause autosomal dominant spinocerebellar ataxia 12 (SCA12), a disease caused by degeneration of the cerebellum, sometimes involving the brainstem and spinal cord, and in resulting in poor coordination of speech and body movements. Multiple alternatively spliced variants, which encode different isoforms, have been identified for this gene. The 5' UTR of some of these variants includes a CAG trinucleotide repeat sequence (7-28 copies) that can be expanded to 55-78 copies in cases of SCA12. [provided by RefSeq, Jul 2016]
Allele List at MGI
Other mutations in this stock
Total: 37 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abca7 T C 10: 79,851,149 (GRCm39) Y2121H probably benign Het
Adgrf2 A G 17: 43,021,574 (GRCm39) Y417H probably damaging Het
Ap5z1 A C 5: 142,452,265 (GRCm39) D66A probably benign Het
Cachd1 T A 4: 100,821,688 (GRCm39) Y422N probably damaging Het
Cfap54 C T 10: 92,773,700 (GRCm39) G114D probably benign Het
Cgref1 C T 5: 31,091,049 (GRCm39) G255E probably benign Het
Cyp2a22 A C 7: 26,635,750 (GRCm39) L271R probably damaging Het
Dcp2 G T 18: 44,550,662 (GRCm39) E379* probably null Het
Fhl3 T A 4: 124,601,724 (GRCm39) D277E probably benign Het
Gm19684 C T 17: 36,439,411 (GRCm39) V190M probably damaging Het
Hpse T C 5: 100,867,375 (GRCm39) D29G probably benign Het
Il31 T C 5: 123,620,121 (GRCm39) probably benign Het
Ilk T C 7: 105,391,774 (GRCm39) C422R possibly damaging Het
Itga1 T G 13: 115,121,678 (GRCm39) D777A possibly damaging Het
Kank3 A G 17: 34,041,176 (GRCm39) D556G probably damaging Het
Lrit3 A G 3: 129,597,574 (GRCm39) S36P possibly damaging Het
Magi1 C T 6: 93,724,248 (GRCm39) E256K probably damaging Het
Mroh9 C G 1: 162,888,329 (GRCm39) G249R probably damaging Het
Mymk C T 2: 26,952,299 (GRCm39) M148I probably benign Het
Nlrp12 T A 7: 3,290,003 (GRCm39) I170F possibly damaging Het
Odad3 T C 9: 21,906,158 (GRCm39) E260G probably benign Het
Or5al7 A T 2: 85,992,378 (GRCm39) I305K possibly damaging Het
Or5an11 T A 19: 12,246,268 (GRCm39) S225T probably damaging Het
Pkd1l1 G A 11: 8,799,003 (GRCm39) T1803I possibly damaging Het
Ppp2r5e T A 12: 75,516,544 (GRCm39) R214S probably damaging Het
Prss16 T C 13: 22,190,264 (GRCm39) D298G possibly damaging Het
Qprt G A 7: 126,707,622 (GRCm39) R189W probably damaging Het
Rara C T 11: 98,841,550 (GRCm39) S36F probably benign Het
Rasal2 A G 1: 157,003,264 (GRCm39) V465A probably damaging Het
Slc22a1 C T 17: 12,869,838 (GRCm39) G508R probably damaging Het
Slco2a1 C A 9: 102,927,468 (GRCm39) F120L probably damaging Het
Tex15 T A 8: 34,062,340 (GRCm39) L864* probably null Het
Tssk4 A G 14: 55,888,430 (GRCm39) I100V possibly damaging Het
Vgll4 A G 6: 114,867,576 (GRCm39) probably null Het
Vmn1r65 T G 7: 6,011,818 (GRCm39) I139L probably benign Het
Vps13b C T 15: 35,456,824 (GRCm39) P757S probably benign Het
Ythdc2 G A 18: 44,977,359 (GRCm39) G385E probably damaging Het
Other mutations in Ppp2r2b
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00825:Ppp2r2b APN 18 42,778,840 (GRCm39) missense probably damaging 0.99
IGL01999:Ppp2r2b APN 18 42,778,788 (GRCm39) utr 3 prime probably benign
IGL02610:Ppp2r2b APN 18 42,781,840 (GRCm39) splice site probably benign
IGL02733:Ppp2r2b APN 18 42,781,793 (GRCm39) missense possibly damaging 0.96
IGL02899:Ppp2r2b APN 18 42,778,874 (GRCm39) missense probably damaging 1.00
Degradation UTSW 18 42,821,403 (GRCm39) missense probably benign 0.27
R0737:Ppp2r2b UTSW 18 43,192,257 (GRCm39) missense probably benign
R1459:Ppp2r2b UTSW 18 42,871,055 (GRCm39) missense probably damaging 1.00
R1616:Ppp2r2b UTSW 18 42,821,375 (GRCm39) missense probably benign 0.32
R1635:Ppp2r2b UTSW 18 43,192,275 (GRCm39) missense probably benign 0.01
R3435:Ppp2r2b UTSW 18 42,874,174 (GRCm39) missense possibly damaging 0.48
R4204:Ppp2r2b UTSW 18 42,871,115 (GRCm39) missense probably benign
R4301:Ppp2r2b UTSW 18 43,031,811 (GRCm39) missense probably null
R5062:Ppp2r2b UTSW 18 42,821,526 (GRCm39) missense possibly damaging 0.48
R5207:Ppp2r2b UTSW 18 42,821,417 (GRCm39) missense probably damaging 1.00
R5277:Ppp2r2b UTSW 18 42,874,207 (GRCm39) missense probably damaging 1.00
R6004:Ppp2r2b UTSW 18 43,192,224 (GRCm39) splice site probably null
R6528:Ppp2r2b UTSW 18 42,821,403 (GRCm39) missense probably benign 0.27
R6735:Ppp2r2b UTSW 18 42,821,653 (GRCm39) splice site probably null
R7521:Ppp2r2b UTSW 18 43,192,242 (GRCm39) missense probably benign
R7831:Ppp2r2b UTSW 18 42,834,597 (GRCm39) missense probably benign
R8405:Ppp2r2b UTSW 18 42,778,805 (GRCm39) missense probably benign 0.00
R8486:Ppp2r2b UTSW 18 43,031,869 (GRCm39) missense probably benign 0.17
R8906:Ppp2r2b UTSW 18 42,821,399 (GRCm39) missense probably damaging 1.00
R8998:Ppp2r2b UTSW 18 42,870,993 (GRCm39) missense probably benign 0.37
R8999:Ppp2r2b UTSW 18 42,870,993 (GRCm39) missense probably benign 0.37
R9081:Ppp2r2b UTSW 18 42,781,825 (GRCm39) missense probably benign 0.41
R9201:Ppp2r2b UTSW 18 42,871,101 (GRCm39) missense possibly damaging 0.87
R9303:Ppp2r2b UTSW 18 42,779,025 (GRCm39) missense possibly damaging 0.82
R9305:Ppp2r2b UTSW 18 42,779,025 (GRCm39) missense possibly damaging 0.82
Z1177:Ppp2r2b UTSW 18 42,821,488 (GRCm39) missense probably damaging 1.00
Z1177:Ppp2r2b UTSW 18 42,781,758 (GRCm39) missense probably benign 0.04
Predicted Primers PCR Primer
(F):5'- GACTAAGTAGTAGCTCGTCCTTC -3'
(R):5'- TGAGTGGCCATGATAAGCATC -3'

Sequencing Primer
(F):5'- AGTAGTAGCTCGTCCTTCTAGTTAAC -3'
(R):5'- GGCCATGATAAGCATCCTTTG -3'
Posted On 2016-06-21