Incidental Mutation 'R8480:Supt20'
ID 657461
Institutional Source Beutler Lab
Gene Symbol Supt20
Ensembl Gene ENSMUSG00000027751
Gene Name SPT20 SAGA complex component
Synonyms p38IP, Fam48a, p38 interacting protein, D3Ertd300e
MMRRC Submission 067924-MU
Accession Numbers
Essential gene? Probably essential (E-score: 0.939) question?
Stock # R8480 (G1)
Quality Score 225.009
Status Validated
Chromosome 3
Chromosomal Location 54600228-54636187 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) C to A at 54614537 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Threonine to Lysine at position 181 (T181K)
Ref Sequence ENSEMBL: ENSMUSP00000143059 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000029315] [ENSMUST00000170552] [ENSMUST00000197502] [ENSMUST00000199652] [ENSMUST00000199655] [ENSMUST00000199674] [ENSMUST00000200439] [ENSMUST00000200441]
AlphaFold Q7TT00
Predicted Effect probably benign
Transcript: ENSMUST00000029315
SMART Domains Protein: ENSMUSP00000029315
Gene: ENSMUSG00000027751

DomainStartEndE-ValueType
low complexity region 65 78 N/A INTRINSIC
low complexity region 107 159 N/A INTRINSIC
coiled coil region 201 230 N/A INTRINSIC
Predicted Effect probably damaging
Transcript: ENSMUST00000170552
AA Change: T182K

PolyPhen 2 Score 0.998 (Sensitivity: 0.27; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000131454
Gene: ENSMUSG00000027751
AA Change: T182K

DomainStartEndE-ValueType
Pfam:Spt20 63 229 6.8e-47 PFAM
low complexity region 425 441 N/A INTRINSIC
low complexity region 468 477 N/A INTRINSIC
low complexity region 488 502 N/A INTRINSIC
low complexity region 515 526 N/A INTRINSIC
Predicted Effect probably damaging
Transcript: ENSMUST00000197502
AA Change: T181K

PolyPhen 2 Score 0.998 (Sensitivity: 0.27; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000143750
Gene: ENSMUSG00000027751
AA Change: T181K

DomainStartEndE-ValueType
low complexity region 45 56 N/A INTRINSIC
Pfam:Spt20 62 227 1.9e-43 PFAM
low complexity region 424 440 N/A INTRINSIC
low complexity region 467 476 N/A INTRINSIC
low complexity region 487 501 N/A INTRINSIC
low complexity region 512 532 N/A INTRINSIC
low complexity region 574 587 N/A INTRINSIC
low complexity region 632 680 N/A INTRINSIC
coiled coil region 722 751 N/A INTRINSIC
Predicted Effect probably damaging
Transcript: ENSMUST00000199652
AA Change: T181K

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000142648
Gene: ENSMUSG00000027751
AA Change: T181K

DomainStartEndE-ValueType
low complexity region 45 56 N/A INTRINSIC
Pfam:Spt20 59 181 1.2e-25 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000199655
SMART Domains Protein: ENSMUSP00000143520
Gene: ENSMUSG00000027751

DomainStartEndE-ValueType
low complexity region 45 56 N/A INTRINSIC
Pfam:Spt20 62 140 5.3e-17 PFAM
Predicted Effect probably damaging
Transcript: ENSMUST00000199674
AA Change: T181K

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000142948
Gene: ENSMUSG00000027751
AA Change: T181K

DomainStartEndE-ValueType
low complexity region 45 56 N/A INTRINSIC
Pfam:Spt20 59 227 3.3e-39 PFAM
low complexity region 424 442 N/A INTRINSIC
low complexity region 466 475 N/A INTRINSIC
low complexity region 486 500 N/A INTRINSIC
low complexity region 513 524 N/A INTRINSIC
Predicted Effect probably damaging
Transcript: ENSMUST00000200439
AA Change: T181K

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000143059
Gene: ENSMUSG00000027751
AA Change: T181K

DomainStartEndE-ValueType
low complexity region 45 56 N/A INTRINSIC
Pfam:Spt20 59 227 2.7e-42 PFAM
low complexity region 424 440 N/A INTRINSIC
low complexity region 467 476 N/A INTRINSIC
low complexity region 487 501 N/A INTRINSIC
low complexity region 514 525 N/A INTRINSIC
Predicted Effect probably benign
Transcript: ENSMUST00000200441
SMART Domains Protein: ENSMUSP00000143231
Gene: ENSMUSG00000027751

DomainStartEndE-ValueType
low complexity region 65 78 N/A INTRINSIC
low complexity region 123 171 N/A INTRINSIC
coiled coil region 213 242 N/A INTRINSIC
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 100.0%
  • 10x: 99.7%
  • 20x: 99.0%
Validation Efficiency 98% (53/54)
MGI Phenotype PHENOTYPE: The incompletely penetrant homozygous phenotype of a splice-site mutation may include retinal epithelium expansion over the dorsal half of the eye, exencephaly, spina bifida, gastrulation defects and/or aberrant somite and mesoderm development. A few mutants survive postnatally and appear normal. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 54 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Acvr1b G A 15: 101,108,720 (GRCm39) V499M possibly damaging Het
Adam5 G A 8: 25,294,475 (GRCm39) Q375* probably null Het
Adgrf1 G A 17: 43,606,055 (GRCm39) E60K probably benign Het
Alb T C 5: 90,610,630 (GRCm39) V70A probably damaging Het
Aph1b T A 9: 66,695,709 (GRCm39) probably benign Het
Aste1 G A 9: 105,274,189 (GRCm39) R143Q possibly damaging Het
Aste1 A T 9: 105,274,995 (GRCm39) T351S probably damaging Het
Bace2 T A 16: 97,214,670 (GRCm39) L286Q probably damaging Het
Bach1 G A 16: 87,516,163 (GRCm39) G235R probably damaging Het
Bpnt2 C T 4: 4,769,376 (GRCm39) M246I probably benign Het
Brwd1 A T 16: 95,848,630 (GRCm39) H516Q probably damaging Het
Cc2d2a C A 5: 43,842,486 (GRCm39) probably null Het
Cdh22 T A 2: 164,988,646 (GRCm39) E236D probably benign Het
Celsr1 G T 15: 85,917,286 (GRCm39) S229* probably null Het
Celsr2 T A 3: 108,306,218 (GRCm39) T2029S probably benign Het
Col11a1 A G 3: 113,975,043 (GRCm39) D1234G probably benign Het
Cplane1 C A 15: 8,216,942 (GRCm39) P720Q possibly damaging Het
Cpt2 A G 4: 107,764,957 (GRCm39) I269T probably damaging Het
Dcaf7 T A 11: 105,945,619 (GRCm39) S323T probably benign Het
Ddias G T 7: 92,508,608 (GRCm39) Q436K probably benign Het
Dlec1 G A 9: 118,972,335 (GRCm39) probably null Het
Dock5 T A 14: 68,073,859 (GRCm39) I294F probably benign Het
Fat2 A T 11: 55,173,794 (GRCm39) D2306E possibly damaging Het
Gm4787 T A 12: 81,424,280 (GRCm39) D626V probably damaging Het
Gm6563 A G 19: 23,653,290 (GRCm39) T27A probably benign Het
Hadhb T C 5: 30,373,568 (GRCm39) probably null Het
Hsph1 A T 5: 149,551,029 (GRCm39) W406R probably null Het
Ighv1-66 C T 12: 115,557,002 (GRCm39) G27R possibly damaging Het
Krt26 T C 11: 99,228,426 (GRCm39) E102G probably damaging Het
Krt34 T A 11: 99,930,971 (GRCm39) probably null Het
Krt36 T C 11: 99,993,635 (GRCm39) D401G possibly damaging Het
Loxhd1 G A 18: 77,518,827 (GRCm39) G326S probably damaging Het
Lrrc8b A G 5: 105,633,802 (GRCm39) N758S probably damaging Het
Mrtfb A T 16: 13,202,056 (GRCm39) probably null Het
Muc4 C T 16: 32,574,421 (GRCm39) T957I probably benign Het
Naip5 T C 13: 100,358,743 (GRCm39) Y831C probably damaging Het
Nfatc1 A T 18: 80,678,859 (GRCm39) V829E probably benign Het
Nmnat1 G A 4: 149,557,827 (GRCm39) L72F possibly damaging Het
Or4f14d A T 2: 111,960,330 (GRCm39) D275E possibly damaging Het
Pcdh7 T A 5: 58,286,407 (GRCm39) V1161E probably damaging Het
Raver1 A G 9: 21,001,576 (GRCm39) Y86H probably benign Het
Recql4 G T 15: 76,588,705 (GRCm39) H1035Q probably benign Het
Sgsm1 A T 5: 113,411,284 (GRCm39) M814K probably benign Het
Sh3d19 T G 3: 85,992,184 (GRCm39) W71G probably benign Het
Sidt1 T C 16: 44,065,529 (GRCm39) Y759C probably damaging Het
Spg11 G T 2: 121,943,560 (GRCm39) D197E probably damaging Het
Sppl2b TGTCACAGGT TGT 10: 80,701,903 (GRCm39) probably null Het
Ssc5d A T 7: 4,939,328 (GRCm39) D588V probably damaging Het
Szt2 A T 4: 118,244,015 (GRCm39) S1363R probably benign Het
Tbcel G A 9: 42,375,169 (GRCm39) probably null Het
Ube2e3 T C 2: 78,749,158 (GRCm39) L169P probably damaging Het
Wrn A G 8: 33,778,796 (GRCm39) F595S probably benign Het
Zfp473 G T 7: 44,382,323 (GRCm39) P670Q probably damaging Het
Zw10 C T 9: 48,986,299 (GRCm39) A660V probably benign Het
Other mutations in Supt20
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00518:Supt20 APN 3 54,622,590 (GRCm39) missense probably damaging 0.98
IGL01781:Supt20 APN 3 54,602,626 (GRCm39) start codon destroyed probably null 0.47
IGL02510:Supt20 APN 3 54,622,945 (GRCm39) intron probably benign
IGL02656:Supt20 APN 3 54,615,816 (GRCm39) missense probably damaging 1.00
IGL02958:Supt20 APN 3 54,621,144 (GRCm39) intron probably benign
IGL03036:Supt20 APN 3 54,616,723 (GRCm39) nonsense probably null
IGL03128:Supt20 APN 3 54,615,708 (GRCm39) missense probably benign 0.05
IGL03164:Supt20 APN 3 54,620,609 (GRCm39) missense probably benign 0.01
FR4304:Supt20 UTSW 3 54,635,085 (GRCm39) nonsense probably null
FR4304:Supt20 UTSW 3 54,635,068 (GRCm39) small insertion probably benign
FR4304:Supt20 UTSW 3 54,635,083 (GRCm39) small insertion probably benign
FR4449:Supt20 UTSW 3 54,635,070 (GRCm39) small insertion probably benign
FR4548:Supt20 UTSW 3 54,635,094 (GRCm39) small insertion probably benign
FR4548:Supt20 UTSW 3 54,635,078 (GRCm39) small insertion probably benign
FR4548:Supt20 UTSW 3 54,635,085 (GRCm39) small insertion probably benign
FR4589:Supt20 UTSW 3 54,635,092 (GRCm39) small insertion probably benign
FR4589:Supt20 UTSW 3 54,635,072 (GRCm39) small insertion probably benign
FR4589:Supt20 UTSW 3 54,635,076 (GRCm39) small insertion probably benign
FR4737:Supt20 UTSW 3 54,635,082 (GRCm39) small insertion probably benign
FR4737:Supt20 UTSW 3 54,635,078 (GRCm39) small insertion probably benign
FR4737:Supt20 UTSW 3 54,635,079 (GRCm39) small insertion probably benign
R0383:Supt20 UTSW 3 54,610,570 (GRCm39) nonsense probably null
R0675:Supt20 UTSW 3 54,614,390 (GRCm39) missense probably damaging 1.00
R0744:Supt20 UTSW 3 54,622,122 (GRCm39) missense probably damaging 1.00
R0968:Supt20 UTSW 3 54,615,821 (GRCm39) intron probably benign
R1075:Supt20 UTSW 3 54,614,362 (GRCm39) nonsense probably null
R1689:Supt20 UTSW 3 54,619,583 (GRCm39) nonsense probably null
R1772:Supt20 UTSW 3 54,617,841 (GRCm39) missense probably damaging 1.00
R1779:Supt20 UTSW 3 54,622,164 (GRCm39) missense probably benign 0.00
R1829:Supt20 UTSW 3 54,635,079 (GRCm39) utr 3 prime probably benign
R3236:Supt20 UTSW 3 54,616,501 (GRCm39) missense possibly damaging 0.94
R3237:Supt20 UTSW 3 54,616,501 (GRCm39) missense possibly damaging 0.94
R4989:Supt20 UTSW 3 54,602,555 (GRCm39) utr 5 prime probably benign
R5180:Supt20 UTSW 3 54,616,506 (GRCm39) missense probably benign 0.00
R5188:Supt20 UTSW 3 54,617,849 (GRCm39) missense possibly damaging 0.87
R5423:Supt20 UTSW 3 54,616,746 (GRCm39) missense probably damaging 1.00
R5627:Supt20 UTSW 3 54,620,611 (GRCm39) missense possibly damaging 0.86
R5888:Supt20 UTSW 3 54,619,628 (GRCm39) missense probably benign
R5995:Supt20 UTSW 3 54,616,474 (GRCm39) missense probably damaging 0.97
R6316:Supt20 UTSW 3 54,635,069 (GRCm39) small insertion probably benign
R6623:Supt20 UTSW 3 54,625,715 (GRCm39) missense possibly damaging 0.93
R6713:Supt20 UTSW 3 54,606,022 (GRCm39) missense possibly damaging 0.89
R6874:Supt20 UTSW 3 54,635,175 (GRCm39) splice site probably null
R6988:Supt20 UTSW 3 54,606,018 (GRCm39) missense probably damaging 1.00
R7149:Supt20 UTSW 3 54,635,832 (GRCm39) missense unknown
R7592:Supt20 UTSW 3 54,614,543 (GRCm39) missense probably damaging 0.97
R7940:Supt20 UTSW 3 54,620,620 (GRCm39) missense probably benign 0.04
R8550:Supt20 UTSW 3 54,623,063 (GRCm39) missense possibly damaging 0.48
R8935:Supt20 UTSW 3 54,634,988 (GRCm39) critical splice acceptor site probably null
R9412:Supt20 UTSW 3 54,635,069 (GRCm39) small deletion probably benign
R9414:Supt20 UTSW 3 54,610,504 (GRCm39) missense probably damaging 1.00
R9694:Supt20 UTSW 3 54,623,015 (GRCm39) missense probably benign 0.02
RF001:Supt20 UTSW 3 54,635,083 (GRCm39) small insertion probably benign
RF009:Supt20 UTSW 3 54,635,083 (GRCm39) small insertion probably benign
RF010:Supt20 UTSW 3 54,635,083 (GRCm39) small insertion probably benign
RF014:Supt20 UTSW 3 54,635,086 (GRCm39) small insertion probably benign
RF026:Supt20 UTSW 3 54,635,091 (GRCm39) nonsense probably null
RF026:Supt20 UTSW 3 54,635,068 (GRCm39) small insertion probably benign
RF032:Supt20 UTSW 3 54,635,087 (GRCm39) small insertion probably benign
RF038:Supt20 UTSW 3 54,635,068 (GRCm39) small insertion probably benign
RF045:Supt20 UTSW 3 54,635,087 (GRCm39) small insertion probably benign
RF052:Supt20 UTSW 3 54,635,086 (GRCm39) small insertion probably benign
Predicted Primers PCR Primer
(F):5'- TCCTGGTTACCAAAGTAGGCAC -3'
(R):5'- GGACTGGACTATAAGCAGTTCC -3'

Sequencing Primer
(F):5'- CTGGTTACCAAAGTAGGCACATTCTC -3'
(R):5'- GACTGGACTATAAGCAGTTCCTTGAG -3'
Posted On 2021-01-18