Incidental Mutation 'R4301:Ppp2r2b'
ID 322436
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 041088-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R4301 (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 43031811 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Glutamic Acid to Aspartic acid at position 23 (E23D)
Ref Sequence ENSEMBL: ENSMUSP00000113411 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000025377] [ENSMUST00000117687] [ENSMUST00000120632]
AlphaFold Q6ZWR4
Predicted Effect probably benign
Transcript: ENSMUST00000025377
SMART Domains Protein: ENSMUSP00000025377
Gene: ENSMUSG00000024500

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 null
Transcript: ENSMUST00000117687
AA Change: E23D

PolyPhen 2 Score 0.000 (Sensitivity: 1.00; Specificity: 0.00)
SMART Domains Protein: ENSMUSP00000113731
Gene: ENSMUSG00000024500
AA Change: E23D

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 null
Transcript: ENSMUST00000120632
AA Change: E23D

PolyPhen 2 Score 0.000 (Sensitivity: 1.00; Specificity: 0.00)
SMART Domains Protein: ENSMUSP00000113411
Gene: ENSMUSG00000024500
AA Change: E23D

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
Predicted Effect noncoding transcript
Transcript: ENSMUST00000155262
Meta Mutation Damage Score 0.1756 question?
Coding Region Coverage
  • 1x: 99.3%
  • 3x: 98.7%
  • 10x: 97.4%
  • 20x: 95.5%
Validation Efficiency 100% (43/43)
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: 40 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abi3bp T A 16: 56,377,266 (GRCm39) V95D probably damaging Het
Adamtsl2 A G 2: 26,977,295 (GRCm39) D252G probably null Het
Adgra3 T C 5: 50,118,420 (GRCm39) R1043G possibly damaging Het
Atxn7l1 A G 12: 33,417,237 (GRCm39) D562G probably damaging Het
Ccdc70 T C 8: 22,463,228 (GRCm39) V6A possibly damaging Het
Cdc25a T C 9: 109,718,810 (GRCm39) V337A probably benign Het
Chil4 G A 3: 106,111,043 (GRCm39) P284S possibly damaging Het
Crb1 A G 1: 139,176,568 (GRCm39) S472P probably benign Het
Fam193b G A 13: 55,690,417 (GRCm39) R740* probably null Het
Fer G T 17: 64,385,905 (GRCm39) L292F probably damaging Het
Gmppa G A 1: 75,419,140 (GRCm39) R349H possibly damaging Het
Hspa1a T C 17: 35,189,482 (GRCm39) I474V probably benign Het
Kcnh8 GAGACCAACGAGCAGCTGATGCTTCAGA GAGA 17: 53,032,934 (GRCm39) 74 probably benign Het
Lrrc30 A G 17: 67,939,563 (GRCm39) S6P probably damaging Het
Lzts3 A G 2: 130,478,358 (GRCm39) S133P probably damaging Het
Mrtfb T C 16: 13,216,169 (GRCm39) Y294H probably damaging Het
Mtmr12 T A 15: 12,236,106 (GRCm39) F122I possibly damaging Het
Mypn A G 10: 62,954,263 (GRCm39) Y124H probably damaging Het
Nfat5 T C 8: 108,082,327 (GRCm39) probably benign Het
Npr2 T C 4: 43,641,332 (GRCm39) probably null Het
Or5a3 T C 19: 12,400,081 (GRCm39) L136P probably damaging Het
Pgm2 G A 5: 64,261,140 (GRCm39) W51* probably null Het
Phip G A 9: 82,841,766 (GRCm39) R48* probably null Het
Piezo2 T C 18: 63,217,911 (GRCm39) T1075A probably damaging Het
Ppat G T 5: 77,076,348 (GRCm39) probably benign Het
Prickle1 T C 15: 93,406,517 (GRCm39) I169V possibly damaging Het
Rab37 T A 11: 115,049,390 (GRCm39) D95E possibly damaging Het
Sash1 A G 10: 8,627,234 (GRCm39) V50A probably benign Het
Siae C A 9: 37,545,009 (GRCm39) Q335K possibly damaging Het
Snx14 A T 9: 88,292,676 (GRCm39) I217K probably damaging Het
Son A G 16: 91,455,299 (GRCm39) T1349A possibly damaging Het
Sptb A G 12: 76,659,471 (GRCm39) L1143S probably damaging Het
Trim80 T C 11: 115,335,939 (GRCm39) probably null Het
Trpm3 T C 19: 22,964,656 (GRCm39) S1374P probably benign Het
Vldlr C A 19: 27,215,802 (GRCm39) D266E possibly damaging Het
Vmn2r79 A G 7: 86,651,099 (GRCm39) H166R possibly damaging Het
Zbtb10 A T 3: 9,330,220 (GRCm39) Q526L probably damaging Het
Zfr2 T C 10: 81,078,018 (GRCm39) probably benign Het
Zswim8 G A 14: 20,763,977 (GRCm39) R449H possibly damaging Het
Zzef1 T C 11: 72,779,861 (GRCm39) V1878A 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
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'- AACATGGGGCTCTAGTCACG -3'
(R):5'- AGGAGGTGACAGCTCCATTG -3'

Sequencing Primer
(F):5'- AGCCCGGATGGATTTGCCTTAC -3'
(R):5'- ACCATGGTGCAGTCCCAC -3'
Posted On 2015-06-20