Incidental Mutation 'R0881:Med20'
ID 80585
Institutional Source Beutler Lab
Gene Symbol Med20
Ensembl Gene ENSMUSG00000092558
Gene Name mediator complex subunit 20
Synonyms 1110011O05Rik, Trfp, 2410115I17Rik
MMRRC Submission 039048-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R0881 (G1)
Quality Score 225
Status Validated
Chromosome 17
Chromosomal Location 47922510-47935176 bp(+) (GRCm39)
Type of Mutation start codon destroyed
DNA Base Change (assembly) T to C at 47922605 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Methionine to Threonine at position 1 (M1T)
Ref Sequence ENSEMBL: ENSMUSP00000117658 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000024778] [ENSMUST00000024783] [ENSMUST00000132397]
AlphaFold Q9R0X0
Predicted Effect probably null
Transcript: ENSMUST00000024778
AA Change: M1T

PolyPhen 2 Score 0.856 (Sensitivity: 0.83; Specificity: 0.93)
SMART Domains Protein: ENSMUSP00000024778
Gene: ENSMUSG00000092558
AA Change: M1T

DomainStartEndE-ValueType
Pfam:Med20 1 198 6.7e-51 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000024783
SMART Domains Protein: ENSMUSP00000024783
Gene: ENSMUSG00000023988

DomainStartEndE-ValueType
low complexity region 34 47 N/A INTRINSIC
low complexity region 52 69 N/A INTRINSIC
Pfam:Bystin 140 430 1.1e-144 PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000130830
Predicted Effect probably null
Transcript: ENSMUST00000132397
AA Change: M1T

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000117658
Gene: ENSMUSG00000023984
AA Change: M1T

DomainStartEndE-ValueType
Pfam:Med20 1 149 1.6e-40 PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000133855
Predicted Effect noncoding transcript
Transcript: ENSMUST00000138638
Predicted Effect noncoding transcript
Transcript: ENSMUST00000146105
Predicted Effect noncoding transcript
Transcript: ENSMUST00000149893
Meta Mutation Damage Score 0.8971 question?
Coding Region Coverage
  • 1x: 99.6%
  • 3x: 98.9%
  • 10x: 97.0%
  • 20x: 93.0%
Validation Efficiency 96% (51/53)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This gene encodes a component of the mediator complex (also known as TRAP, SMCC, DRIP, or ARC), a transcriptional coactivator complex thought to be required for the expression of almost all genes. The mediator complex is recruited by transcriptional activators or nuclear receptors to induce gene expression, by interacting with RNA polymerase II and promoting the formation of a transcriptional pre-initiation complex. A mutation in this gene has been associated with a novel infantile-onset neurodegenerative movement disorder. Alternatively spliced transcript variants have been identified. [provided by RefSeq, Mar 2015]
Allele List at MGI
Other mutations in this stock
Total: 49 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Aasdh G A 5: 77,024,130 (GRCm39) T174M probably damaging Het
Abcc9 T A 6: 142,592,029 (GRCm39) I732F probably damaging Het
Adam10 T C 9: 70,653,519 (GRCm39) S248P probably damaging Het
Adam18 A T 8: 25,162,159 (GRCm39) probably benign Het
Angel2 G A 1: 190,669,661 (GRCm39) E114K probably damaging Het
Arhgap29 A G 3: 121,808,328 (GRCm39) T1169A probably damaging Het
Atp13a2 T A 4: 140,731,242 (GRCm39) M759K probably damaging Het
Atxn2l A G 7: 126,095,768 (GRCm39) S450P probably damaging Het
B3glct T A 5: 149,663,034 (GRCm39) V264E probably damaging Het
Bbx A G 16: 50,040,963 (GRCm39) probably benign Het
Bmp3 A G 5: 99,020,461 (GRCm39) N295D possibly damaging Het
C9 G A 15: 6,488,349 (GRCm39) probably benign Het
Cacna1c C T 6: 118,589,586 (GRCm39) R1446H probably damaging Het
Cdan1 A T 2: 120,551,466 (GRCm39) V1039E probably damaging Het
Dennd4a T C 9: 64,758,665 (GRCm39) probably null Het
Ext1 A G 15: 53,207,879 (GRCm39) L294P probably benign Het
Fsip2 C A 2: 82,816,617 (GRCm39) H4117N possibly damaging Het
Itga8 C T 2: 12,267,003 (GRCm39) probably null Het
Itln1 G T 1: 171,360,949 (GRCm39) H48N probably benign Het
Kcna5 T A 6: 126,511,957 (GRCm39) H57L probably benign Het
Klhdc4 A T 8: 122,526,226 (GRCm39) Y304* probably null Het
Klhl25 A G 7: 75,516,027 (GRCm39) Y6C probably damaging Het
Lars1 C T 18: 42,347,851 (GRCm39) V991M probably benign Het
Mslnl A T 17: 25,961,939 (GRCm39) H138L possibly damaging Het
Mycbp2 T C 14: 103,457,449 (GRCm39) I1583V probably benign Het
Nipbl A C 15: 8,337,096 (GRCm39) V2093G probably damaging Het
Nup98 T A 7: 101,809,923 (GRCm39) T536S probably damaging Het
Opalin T C 19: 41,052,420 (GRCm39) probably null Het
Or1j12 T G 2: 36,343,452 (GRCm39) L285R probably damaging Het
Or51d1 T A 7: 102,348,291 (GRCm39) V282D possibly damaging Het
Or8g26 A G 9: 39,095,984 (GRCm39) K170R probably benign Het
Pgm2 A T 5: 64,250,351 (GRCm39) T9S unknown Het
Piwil2 A C 14: 70,646,376 (GRCm39) S387A probably benign Het
Polr1c T C 17: 46,555,539 (GRCm39) T240A possibly damaging Het
Polr3c A G 3: 96,631,163 (GRCm39) M118T probably damaging Het
Pth1r C T 9: 110,560,641 (GRCm39) C42Y probably damaging Het
Ptpro T A 6: 137,420,592 (GRCm39) V1007D probably damaging Het
Rictor A T 15: 6,821,151 (GRCm39) M1492L probably benign Het
Rrbp1 T A 2: 143,795,173 (GRCm39) Y1277F probably benign Het
Scgb3a2 T G 18: 43,897,549 (GRCm39) probably benign Het
Skint1 G A 4: 111,886,054 (GRCm39) S327N probably benign Het
Steap4 A T 5: 8,030,388 (GRCm39) S415C probably benign Het
Tex48 A G 4: 63,530,228 (GRCm39) probably benign Het
Tox2 T A 2: 163,163,365 (GRCm39) S502T probably benign Het
Usp47 T A 7: 111,690,643 (GRCm39) I762K possibly damaging Het
Vmn2r53 T C 7: 12,334,859 (GRCm39) H267R probably benign Het
Wnt2b A G 3: 104,860,513 (GRCm39) probably benign Het
Xirp1 T C 9: 119,847,483 (GRCm39) N28D possibly damaging Het
Zeb1 T C 18: 5,767,138 (GRCm39) S550P probably benign Het
Other mutations in Med20
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL01648:Med20 APN 17 47,933,925 (GRCm39) missense possibly damaging 0.92
R0847:Med20 UTSW 17 47,922,618 (GRCm39) critical splice donor site probably null
R4460:Med20 UTSW 17 47,929,842 (GRCm39) missense probably benign 0.39
R4461:Med20 UTSW 17 47,929,842 (GRCm39) missense probably benign 0.39
R5212:Med20 UTSW 17 47,929,775 (GRCm39) missense probably benign 0.02
R5605:Med20 UTSW 17 47,934,069 (GRCm39) intron probably benign
R8166:Med20 UTSW 17 47,924,027 (GRCm39) missense probably benign 0.00
V7580:Med20 UTSW 17 47,929,757 (GRCm39) missense probably damaging 1.00
V7582:Med20 UTSW 17 47,929,757 (GRCm39) missense probably damaging 1.00
Predicted Primers PCR Primer
(F):5'- TACTCTCAGGAAGAGCTTCGGGAC -3'
(R):5'- AACCGGAAGACATCTTGGTCAGC -3'

Sequencing Primer
(F):5'- AGCTTCGGGACCTATAGCAG -3'
(R):5'- TCAGCCCCCCGAGGAAC -3'
Posted On 2013-11-07