Incidental Mutation 'R5457:Cdkn2b'
ID 432800
Institutional Source Beutler Lab
Gene Symbol Cdkn2b
Ensembl Gene ENSMUSG00000073802
Gene Name cyclin dependent kinase inhibitor 2B
Synonyms p15INK4b, MTS2, p15
MMRRC Submission 043020-MU
Accession Numbers
Essential gene? Not available question?
Stock # R5457 (G1)
Quality Score 166
Status Not validated
Chromosome 4
Chromosomal Location 89224536-89229276 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 89225391 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Leucine to Proline at position 98 (L98P)
Ref Sequence ENSEMBL: ENSMUSP00000095595 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000097981]
AlphaFold P55271
PDB Structure TUMOR SUPPRESSOR P15(INK4B) STRUCTURE BY COMPARATIVE MODELING AND NMR DATA [SOLUTION NMR]
Predicted Effect probably damaging
Transcript: ENSMUST00000097981
AA Change: L98P

PolyPhen 2 Score 0.986 (Sensitivity: 0.74; Specificity: 0.96)
SMART Domains Protein: ENSMUSP00000095595
Gene: ENSMUSG00000073802
AA Change: L98P

DomainStartEndE-ValueType
ANK 5 34 2.3e0 SMART
ANK 38 66 1.37e2 SMART
ANK 71 100 5.19e2 SMART
Blast:ANK 104 129 2e-8 BLAST
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.5%
  • 10x: 96.9%
  • 20x: 94.3%
Validation Efficiency
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This gene lies adjacent to the tumor suppressor gene CDKN2A in a region that is frequently mutated and deleted in a wide variety of tumors. This gene encodes a cyclin-dependent kinase inhibitor, which forms a complex with CDK4 or CDK6, and prevents the activation of the CDK kinases, thus the encoded protein functions as a cell growth regulator that controls cell cycle G1 progression. The expression of this gene was found to be dramatically induced by TGF beta, which suggested its role in the TGF beta induced growth inhibition. Two alternatively spliced transcript variants of this gene, which encode distinct proteins, have been reported. [provided by RefSeq, Jul 2008]
PHENOTYPE: Animals homozygous for a mutation in this gene exhibit increased tumor incidence, lymphoid hyperplasia, and extramedullary hematopoiesis. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 64 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abcc12 C A 8: 87,236,473 (GRCm39) V1114L probably benign Het
Actr5 G A 2: 158,477,918 (GRCm39) probably null Het
Adcy7 T C 8: 89,037,649 (GRCm39) L239P probably damaging Het
Afg3l1 T A 8: 124,216,707 (GRCm39) F315L possibly damaging Het
Agps A G 2: 75,684,596 (GRCm39) Y188C probably benign Het
Akt1 T C 12: 112,623,525 (GRCm39) T312A probably damaging Het
Ang2 T C 14: 51,433,292 (GRCm39) Y30C probably damaging Het
Angpt1 G A 15: 42,386,916 (GRCm39) T146I probably damaging Het
Atg16l1 T C 1: 87,702,813 (GRCm39) S288P probably damaging Het
Atp1b2 C T 11: 69,493,558 (GRCm39) G4R probably damaging Het
Best3 T C 10: 116,840,416 (GRCm39) F282S probably damaging Het
Cenps A G 4: 149,216,094 (GRCm39) probably null Het
Clec16a G T 16: 10,363,396 (GRCm39) probably null Het
Cxcl13 A T 5: 96,104,830 (GRCm39) M1L unknown Het
Dcun1d4 A T 5: 73,688,908 (GRCm39) E149D probably damaging Het
Dlst G A 12: 85,168,914 (GRCm39) probably null Het
Dock10 C A 1: 80,501,781 (GRCm39) C1803F probably damaging Het
Dpp10 T A 1: 123,339,539 (GRCm39) K329N possibly damaging Het
Drosha T G 15: 12,926,115 (GRCm39) Y1235D probably benign Het
Eif2s3y G A Y: 1,016,057 (GRCm39) G213D probably damaging Homo
Eps8 A T 6: 137,489,175 (GRCm39) S408T probably damaging Het
Fam171a2 T C 11: 102,328,362 (GRCm39) D799G possibly damaging Het
Fcho2 T C 13: 98,926,275 (GRCm39) K103E probably damaging Het
Fcrlb T C 1: 170,739,726 (GRCm39) T59A probably damaging Het
Fgd4 T C 16: 16,279,873 (GRCm39) R395G probably benign Het
Gm14496 A T 2: 181,639,401 (GRCm39) D497V probably damaging Het
Gpt2 A C 8: 86,238,967 (GRCm39) N267H possibly damaging Het
Grb14 A T 2: 64,747,442 (GRCm39) C43S probably damaging Het
Hjurp T TN 1: 88,194,247 (GRCm39) probably null Het
Igkv8-16 A G 6: 70,363,689 (GRCm39) V111A possibly damaging Het
Klra2 T A 6: 131,198,852 (GRCm39) S230C possibly damaging Het
Lamb3 G A 1: 193,008,302 (GRCm39) R245H probably damaging Het
Lamc3 A G 2: 31,821,997 (GRCm39) E1315G probably benign Het
Lpin2 A G 17: 71,550,367 (GRCm39) T672A probably damaging Het
Mcoln3 T A 3: 145,833,877 (GRCm39) I139N probably benign Het
Mcpt8 C T 14: 56,319,793 (GRCm39) C219Y probably benign Het
Mtcl3 A C 10: 29,072,720 (GRCm39) I671L probably benign Het
Mug2 G T 6: 122,026,688 (GRCm39) G541* probably null Het
Myo7b G T 18: 32,104,503 (GRCm39) probably null Het
Or10j2 C T 1: 173,098,141 (GRCm39) S133L probably benign Het
Or10j7 A G 1: 173,011,180 (GRCm39) S274P probably damaging Het
Or5ac22 T C 16: 59,135,213 (GRCm39) I186V probably benign Het
Or5k8 A T 16: 58,644,796 (GRCm39) I92N probably damaging Het
Or7e176 A T 9: 20,171,574 (GRCm39) Y146F probably damaging Het
Pclo C T 5: 14,726,157 (GRCm39) probably benign Het
Pdk2 C T 11: 94,919,408 (GRCm39) S289N probably damaging Het
Pex19 G T 1: 171,958,245 (GRCm39) G75W probably damaging Het
Psma3 T G 12: 71,031,339 (GRCm39) S26A probably benign Het
Pth1r A T 9: 110,555,522 (GRCm39) I326N possibly damaging Het
Sbf2 T C 7: 109,912,037 (GRCm39) T1670A probably benign Het
Scn10a A G 9: 119,523,193 (GRCm39) Y67H probably damaging Het
Sec16a A T 2: 26,330,280 (GRCm39) D578E probably benign Het
Spta1 C T 1: 174,044,759 (GRCm39) A1465V probably damaging Het
Taar9 A G 10: 23,985,003 (GRCm39) F144L probably damaging Het
Tal1 T C 4: 114,925,777 (GRCm39) V282A probably benign Het
Tbrg4 C T 11: 6,570,947 (GRCm39) R175Q probably damaging Het
Tdp1 C T 12: 99,861,005 (GRCm39) Q215* probably null Het
Thsd4 A T 9: 59,887,060 (GRCm39) W921R probably damaging Het
Trrap A G 5: 144,786,787 (GRCm39) E3462G probably damaging Het
Try4 T C 6: 41,280,355 (GRCm39) S60P probably damaging Het
Ttn T C 2: 76,541,265 (GRCm39) E25580G probably damaging Het
Ttn A T 2: 76,776,299 (GRCm39) I1581N possibly damaging Het
Vmn2r50 T C 7: 9,781,873 (GRCm39) T291A probably damaging Het
Zkscan14 T C 5: 145,138,169 (GRCm39) D106G probably benign Het
Other mutations in Cdkn2b
AlleleSourceChrCoordTypePredicted EffectPPH Score
R7611:Cdkn2b UTSW 4 89,228,980 (GRCm39) missense probably benign
Predicted Primers PCR Primer
(F):5'- AAGTTTTGGAAGGCCTGCAG -3'
(R):5'- ATCAGTTTTGTAATGTCTGAGGCTC -3'

Sequencing Primer
(F):5'- CTGGTGGCCCTCTTCGTG -3'
(R):5'- GTAATGTCTGAGGCTCTTTATCTTC -3'
Posted On 2016-10-06