Incidental Mutation 'R4204:Ppp2r2b'
ID 318850
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 041033-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R4204 (G1)
Quality Score 225
Status Validated
Chromosome 18
Chromosomal Location 42777811-43192827 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to A at 42871115 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Histidine to Leucine at position 62 (H62L)
Ref Sequence ENSEMBL: ENSMUSP00000113411 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000025377] [ENSMUST00000117687] [ENSMUST00000120632]
AlphaFold Q6ZWR4
Predicted Effect probably benign
Transcript: ENSMUST00000025377
AA Change: H65L

PolyPhen 2 Score 0.000 (Sensitivity: 1.00; Specificity: 0.00)
SMART Domains Protein: ENSMUSP00000025377
Gene: ENSMUSG00000024500
AA Change: H65L

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: H62L

PolyPhen 2 Score 0.000 (Sensitivity: 1.00; Specificity: 0.00)
SMART Domains Protein: ENSMUSP00000113731
Gene: ENSMUSG00000024500
AA Change: H62L

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: H62L

PolyPhen 2 Score 0.000 (Sensitivity: 1.00; Specificity: 0.00)
SMART Domains Protein: ENSMUSP00000113411
Gene: ENSMUSG00000024500
AA Change: H62L

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
Predicted Effect noncoding transcript
Transcript: ENSMUST00000153737
Meta Mutation Damage Score 0.0914 question?
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.6%
  • 10x: 97.3%
  • 20x: 95.5%
Validation Efficiency 98% (46/47)
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: 39 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abca1 T C 4: 53,090,369 (GRCm39) K360R probably benign Het
Ano7 A G 1: 93,308,200 (GRCm39) D77G probably benign Het
B130006D01Rik A G 11: 95,617,250 (GRCm39) probably benign Het
BC028528 A T 3: 95,797,057 (GRCm39) Y37* probably null Het
Ccdc171 A T 4: 83,599,392 (GRCm39) M736L probably benign Het
Ccdc88a A G 11: 29,413,399 (GRCm39) K646E probably damaging Het
Fam83b T C 9: 76,410,335 (GRCm39) T192A probably benign Het
Hgs C A 11: 120,368,013 (GRCm39) P241T probably damaging Het
Itga4 T C 2: 79,109,505 (GRCm39) Y235H probably damaging Het
Kank2 A G 9: 21,706,923 (GRCm39) Y32H probably damaging Het
Kprp A C 3: 92,732,046 (GRCm39) S335A probably damaging Het
Lgals9 C T 11: 78,860,642 (GRCm39) probably benign Het
Mfrp G A 9: 44,016,525 (GRCm39) G407S possibly damaging Het
Mfsd9 C T 1: 40,820,670 (GRCm39) G160R probably damaging Het
Mrtfb A T 16: 13,221,119 (GRCm39) Q776L possibly damaging Het
Mtcl1 T C 17: 66,745,256 (GRCm39) Y35C probably damaging Het
Nhej1 A T 1: 75,085,782 (GRCm39) I6N probably damaging Het
Npy5r G T 8: 67,134,693 (GRCm39) Y33* probably null Het
Or4c120 A G 2: 89,001,124 (GRCm39) V144A probably benign Het
Pcdha8 G C 18: 37,127,737 (GRCm39) V740L probably damaging Het
Pde8b C A 13: 95,359,053 (GRCm39) C90F probably benign Het
Pex14 T C 4: 149,047,984 (GRCm39) T198A probably benign Het
Prodh A G 16: 17,890,182 (GRCm39) V553A probably damaging Het
Rasgef1c G A 11: 49,849,535 (GRCm39) V137M probably benign Het
Resf1 C T 6: 149,231,042 (GRCm39) R1363* probably null Het
Rgl2 G T 17: 34,155,906 (GRCm39) V694L probably benign Het
Rnf133 T C 6: 23,649,048 (GRCm39) N294D probably benign Het
Rpe65 G A 3: 159,310,047 (GRCm39) A107T probably damaging Het
Sacs A G 14: 61,410,892 (GRCm39) R56G possibly damaging Het
Serp2 A G 14: 76,793,902 (GRCm39) I18T probably damaging Het
Shroom3 G T 5: 93,090,945 (GRCm39) V1151F probably damaging Het
Sis T C 3: 72,868,415 (GRCm39) I92V probably benign Het
Tcaim A G 9: 122,662,683 (GRCm39) K417R probably benign Het
Tex11 C A X: 99,977,021 (GRCm39) A487S possibly damaging Het
Tmem132c A G 5: 127,640,829 (GRCm39) D1000G possibly damaging Het
Trpm3 T A 19: 22,964,928 (GRCm39) D1474E probably benign Het
Ubxn2a T C 12: 4,944,593 (GRCm39) E43G probably damaging Het
Utp14b G A 1: 78,642,539 (GRCm39) E146K probably benign Het
Zfp800 C T 6: 28,243,180 (GRCm39) S595N probably benign 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
R4301:Ppp2r2b UTSW 18 43,031,811 (GRCm39) missense probably null
R5062:Ppp2r2b UTSW 18 42,821,526 (GRCm39) missense possibly damaging 0.48
R5147:Ppp2r2b UTSW 18 42,778,942 (GRCm39) missense probably benign 0.00
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'- GAAAATTACAGGTCAGGACTGTC -3'
(R):5'- CTGAATCTACGGCTGCAGTG -3'

Sequencing Primer
(F):5'- GGTCAGGACTGTCTTTGAAAATATC -3'
(R):5'- CTACGGCTGCAGTGGCTTG -3'
Posted On 2015-06-10