Incidental Mutation 'R7521:Ppp2r2b'
ID 582686
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 045593-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R7521 (G1)
Quality Score 225.009
Status Not validated
Chromosome 18
Chromosomal Location 42777811-43192827 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to A at 43192242 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Serine to Cysteine at position 22 (S22C)
Ref Sequence ENSEMBL: ENSMUSP00000025377 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000025377]
AlphaFold Q6ZWR4
Predicted Effect probably benign
Transcript: ENSMUST00000025377
AA Change: S22C

PolyPhen 2 Score 0.000 (Sensitivity: 1.00; Specificity: 0.00)
SMART Domains Protein: ENSMUSP00000025377
Gene: ENSMUSG00000024500
AA Change: S22C

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
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 100.0%
  • 10x: 99.8%
  • 20x: 99.2%
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
Abcg1 A G 17: 31,283,543 (GRCm39) N76S probably benign Het
Ahnak T C 19: 8,979,715 (GRCm39) V333A possibly damaging Het
Arid1b GGCGGC GGCGGCAGCGGC 17: 5,046,135 (GRCm39) probably benign Het
Arid1b GGGCGGCGGCGGCGGCGGCGGCGG GGGCGGCGGCGGCGGCGGCGGCGGCGGCGG 17: 5,046,119 (GRCm39) probably benign Het
Arid1b A G 17: 5,392,865 (GRCm39) T2079A probably benign Het
Clca3a2 A G 3: 144,507,674 (GRCm39) *190R probably null Het
Cntnap3 G T 13: 64,919,815 (GRCm39) Q681K probably benign Het
Coro7 T C 16: 4,449,346 (GRCm39) D689G probably benign Het
Dnah9 A T 11: 65,880,663 (GRCm39) S2645T probably damaging Het
Dnm3 A T 1: 161,962,113 (GRCm39) L32H probably damaging Het
Dtx4 T C 19: 12,469,861 (GRCm39) K89E probably benign Het
Exph5 T A 9: 53,285,377 (GRCm39) N819K possibly damaging Het
Fpgt A G 3: 154,792,765 (GRCm39) S421P possibly damaging Het
Gbp5 T C 3: 142,206,382 (GRCm39) V22A probably benign Het
Gpatch1 C T 7: 34,993,213 (GRCm39) R544Q probably damaging Het
Grm5 T A 7: 87,723,480 (GRCm39) L590Q possibly damaging Het
Hc T C 2: 34,935,344 (GRCm39) D172G possibly damaging Het
Ifi209 A T 1: 173,470,261 (GRCm39) N283I probably damaging Het
Igsf11 C T 16: 38,829,274 (GRCm39) T115M probably damaging Het
Il17rd T A 14: 26,816,823 (GRCm39) M320K probably benign Het
Kdm5a T A 6: 120,409,148 (GRCm39) C1610* probably null Het
Mast3 T A 8: 71,241,412 (GRCm39) I175L probably benign Het
Mif A T 10: 75,695,942 (GRCm39) S21T possibly damaging Het
Mindy2 T C 9: 70,514,792 (GRCm39) Q542R probably benign Het
Nalcn T A 14: 123,530,870 (GRCm39) E1389D probably damaging Het
Or55b3 C T 7: 102,126,402 (GRCm39) R225H possibly damaging Het
Or5k8 T C 16: 58,644,257 (GRCm39) I272V probably benign Het
Or5t16 T A 2: 86,818,954 (GRCm39) T189S probably damaging Het
Or7e177 T C 9: 20,212,036 (GRCm39) I181T probably benign Het
Pcsk5 T A 19: 17,432,196 (GRCm39) D1473V probably benign Het
Phax C T 18: 56,708,990 (GRCm39) Q185* probably null Het
Prss40 A G 1: 34,597,090 (GRCm39) F153L probably benign Het
Slc22a2 T C 17: 12,805,710 (GRCm39) S154P probably benign Het
Speer4a1 G A 5: 26,241,763 (GRCm39) T121I probably damaging Het
Tacc1 A G 8: 25,665,268 (GRCm39) V488A possibly damaging Het
Tdrp G A 8: 14,003,831 (GRCm39) Q169* probably null Het
Tmem30b C T 12: 73,592,092 (GRCm39) R341H 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
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
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
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'- AGACAGGCTGATTTTCGGAAC -3'
(R):5'- CAGTGATTCCTTGGGCTTCC -3'

Sequencing Primer
(F):5'- CAGGCTGATTTTCGGAACAGATC -3'
(R):5'- CTCTGCAGATCTGGGAGAGAACC -3'
Posted On 2019-10-17