Incidental Mutation 'R8405:Ppp2r2b'
ID 652385
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 067879-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R8405 (G1)
Quality Score 225.009
Status Validated
Chromosome 18
Chromosomal Location 42777811-43192827 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) G to C at 42778805 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Aspartic acid to Glutamic Acid at position 443 (D443E)
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: D443E

PolyPhen 2 Score 0.001 (Sensitivity: 0.99; Specificity: 0.15)
SMART Domains Protein: ENSMUSP00000025377
Gene: ENSMUSG00000024500
AA Change: D443E

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: D440E

PolyPhen 2 Score 0.002 (Sensitivity: 0.99; Specificity: 0.30)
SMART Domains Protein: ENSMUSP00000113731
Gene: ENSMUSG00000024500
AA Change: D440E

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: D440E

PolyPhen 2 Score 0.002 (Sensitivity: 0.99; Specificity: 0.30)
SMART Domains Protein: ENSMUSP00000113411
Gene: ENSMUSG00000024500
AA Change: D440E

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
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 99.9%
  • 10x: 99.6%
  • 20x: 98.7%
Validation Efficiency 98% (49/50)
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: 51 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Acadm T C 3: 153,635,165 (GRCm39) probably benign Het
Anxa3 C A 5: 96,978,295 (GRCm39) D226E probably benign Het
Anxa8 T C 14: 33,819,881 (GRCm39) L290P probably damaging Het
Brd4 C A 17: 32,448,505 (GRCm39) K57N unknown Het
Cpne8 T A 15: 90,456,235 (GRCm39) Q176L possibly damaging Het
Csf2rb2 T C 15: 78,172,093 (GRCm39) D439G possibly damaging Het
Csmd3 A G 15: 47,619,379 (GRCm39) S1832P probably damaging Het
Cux1 A G 5: 136,304,241 (GRCm39) S1320P possibly damaging Het
Cyp2t4 A T 7: 26,856,894 (GRCm39) probably null Het
Dnah2 A T 11: 69,349,289 (GRCm39) L2449Q probably damaging Het
Dock1 A G 7: 134,379,192 (GRCm39) M640V probably benign Het
Efcab3 G A 11: 104,612,024 (GRCm39) S622N probably benign Het
Ergic1 T A 17: 26,874,096 (GRCm39) I274N probably damaging Het
Fat3 T C 9: 15,907,167 (GRCm39) D2945G probably damaging Het
Fscb T C 12: 64,520,278 (GRCm39) E396G possibly damaging Het
Gab1 T A 8: 81,501,594 (GRCm39) R581* probably null Het
Gabarapl1 A G 6: 129,514,497 (GRCm39) D45G probably null Het
Gfap C A 11: 102,782,255 (GRCm39) Q418H probably benign Het
Gfap T A 11: 102,782,256 (GRCm39) Q418L probably benign Het
Hectd1 T A 12: 51,874,178 (GRCm39) M33L probably benign Het
Kcnh7 T A 2: 62,533,446 (GRCm39) K1144N probably benign Het
Lrit3 C T 3: 129,582,301 (GRCm39) G562D probably benign Het
Mab21l1 A T 3: 55,690,659 (GRCm39) Q82L probably damaging Het
Naip6 C T 13: 100,436,784 (GRCm39) A580T possibly damaging Het
Nav1 T C 1: 135,382,508 (GRCm39) K1258R unknown Het
Nbas C A 12: 13,329,394 (GRCm39) A113E probably damaging Het
Nlrp1b A T 11: 71,073,356 (GRCm39) D162E possibly damaging Het
Nr2c1 A T 10: 94,031,155 (GRCm39) H572L probably benign Het
Or52s1 A T 7: 102,861,408 (GRCm39) I114F probably benign Het
Or56b2j T A 7: 104,353,208 (GRCm39) S145T probably benign Het
Pcdha12 T A 18: 37,154,250 (GRCm39) V323E possibly damaging Het
Pgm5 T A 19: 24,705,106 (GRCm39) H469L probably benign Het
Phf8-ps C A 17: 33,286,038 (GRCm39) A255S probably benign Het
Pja2 T C 17: 64,616,505 (GRCm39) E130G possibly damaging Het
Prdm9 T A 17: 15,764,456 (GRCm39) T775S probably benign Het
Rbm6 A G 9: 107,730,016 (GRCm39) S211P probably benign Het
Rgl2 C T 17: 34,152,698 (GRCm39) Q408* probably null Het
Rgs14 C T 13: 55,530,962 (GRCm39) R389W probably damaging Het
Rtcb T C 10: 85,793,534 (GRCm39) D13G probably benign Het
Slc23a4 C T 6: 34,923,145 (GRCm39) C280Y probably benign Het
Slc7a5 G T 8: 122,613,661 (GRCm39) T297K possibly damaging Het
Spef2 A G 15: 9,612,643 (GRCm39) V1229A probably benign Het
Stag3 A C 5: 138,302,914 (GRCm39) T1064P probably damaging Het
Tnnt1 A G 7: 4,510,592 (GRCm39) S211P probably damaging Het
Trim26 A G 17: 37,167,095 (GRCm39) D262G possibly damaging Het
Trim30a A T 7: 104,060,749 (GRCm39) Y342* probably null Het
Trpm7 T C 2: 126,658,755 (GRCm39) I1134V probably benign Het
Tsc22d1 G A 14: 76,655,734 (GRCm39) G738S probably damaging Het
Usp39 A G 6: 72,305,521 (GRCm39) F421L probably damaging Het
Vmn2r97 G A 17: 19,134,802 (GRCm39) probably null Het
Zfat T C 15: 68,018,410 (GRCm39) Y968C 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
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
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'- CCTACCGAGTTTGACAGACG -3'
(R):5'- TTGAGGCCTCAAGGGAAAAC -3'

Sequencing Primer
(F):5'- ACCGAGTTTGACAGACGTCTCTTAG -3'
(R):5'- CAGCAAACCCCGGGCTATC -3'
Posted On 2020-10-20