Incidental Mutation 'R9694:Supt20'
ID 735933
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
Accession Numbers
Essential gene? Probably essential (E-score: 0.929) question?
Stock # R9694 (G1)
Quality Score 225.009
Status Not validated
Chromosome 3
Chromosomal Location 54600228-54636187 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) C to T at 54623015 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Serine to Leucine at position 496 (S496L)
Ref Sequence ENSEMBL: ENSMUSP00000131454 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000029315] [ENSMUST00000170552] [ENSMUST00000178832] [ENSMUST00000197502] [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 benign
Transcript: ENSMUST00000170552
AA Change: S496L

PolyPhen 2 Score 0.020 (Sensitivity: 0.95; Specificity: 0.80)
SMART Domains Protein: ENSMUSP00000131454
Gene: ENSMUSG00000027751
AA Change: S496L

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 benign
Transcript: ENSMUST00000178832
Predicted Effect probably benign
Transcript: ENSMUST00000197502
AA Change: S495L

PolyPhen 2 Score 0.161 (Sensitivity: 0.92; Specificity: 0.87)
SMART Domains Protein: ENSMUSP00000143750
Gene: ENSMUSG00000027751
AA Change: S495L

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 benign
Transcript: ENSMUST00000199674
AA Change: S494L

PolyPhen 2 Score 0.020 (Sensitivity: 0.95; Specificity: 0.80)
SMART Domains Protein: ENSMUSP00000142948
Gene: ENSMUSG00000027751
AA Change: S494L

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 benign
Transcript: ENSMUST00000200439
AA Change: S495L

PolyPhen 2 Score 0.012 (Sensitivity: 0.96; Specificity: 0.78)
SMART Domains Protein: ENSMUSP00000143059
Gene: ENSMUSG00000027751
AA Change: S495L

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: 99.8%
  • 3x: 99.7%
  • 10x: 99.3%
  • 20x: 98.7%
Validation Efficiency
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: 77 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abcb1b T A 5: 8,899,573 (GRCm39) Y948N probably damaging Het
Adamts2 A G 11: 50,558,972 (GRCm39) D229G probably benign Het
Adamts4 T C 1: 171,081,530 (GRCm39) S395P probably benign Het
Adcy1 T C 11: 7,094,774 (GRCm39) Y567H probably damaging Het
Agap3 A G 5: 24,682,139 (GRCm39) N212D probably benign Het
Atp2a2 A G 5: 122,597,708 (GRCm39) F775S probably damaging Het
Baz1b A T 5: 135,273,094 (GRCm39) Q1406L probably benign Het
C030006K11Rik A T 15: 76,607,928 (GRCm39) V30D possibly damaging Het
Cep170b T A 12: 112,701,993 (GRCm39) V262E probably damaging Het
Cgnl1 C T 9: 71,632,803 (GRCm39) G183R probably benign Het
Chd8 A G 14: 52,441,341 (GRCm39) I2257T possibly damaging Het
Chrna7 A G 7: 62,754,809 (GRCm39) I266T probably damaging Het
Cyp3a25 A T 5: 145,923,685 (GRCm39) Y319* probably null Het
Dcdc2a A T 13: 25,286,340 (GRCm39) I125F probably benign Het
Dcdc2c A T 12: 28,585,553 (GRCm39) I80N Het
Dmtn T C 14: 70,852,732 (GRCm39) probably null Het
Dock2 T C 11: 34,218,054 (GRCm39) N1172S probably benign Het
Dock9 A G 14: 121,818,791 (GRCm39) S1564P probably damaging Het
Ecel1 T C 1: 87,080,853 (GRCm39) I350V possibly damaging Het
Eif4enif1 C T 11: 3,170,384 (GRCm39) L146F probably damaging Het
Ergic1 T G 17: 26,843,585 (GRCm39) D59E probably benign Het
F2rl2 A T 13: 95,838,050 (GRCm39) D365V possibly damaging Het
Fbxl16 C T 17: 26,036,813 (GRCm39) Q265* probably null Het
Fbxw26 T C 9: 109,575,135 (GRCm39) probably benign Het
Fras1 A T 5: 96,929,545 (GRCm39) Y3983F probably benign Het
G6pd2 T A 5: 61,966,460 (GRCm39) D78E probably benign Het
Gas2l2 A C 11: 83,314,170 (GRCm39) S381A possibly damaging Het
Gm57858 A G 3: 36,073,092 (GRCm39) S397P possibly damaging Het
Grk2 G A 19: 4,338,511 (GRCm39) R474C probably damaging Het
Gxylt2 T A 6: 100,710,174 (GRCm39) V105E probably benign Het
Hexd T C 11: 121,107,813 (GRCm39) V181A probably damaging Het
Ift70a2 T C 2: 75,807,691 (GRCm39) T274A probably benign Het
Ik T A 18: 36,877,840 (GRCm39) D5E probably benign Het
Ilkap A G 1: 91,303,973 (GRCm39) C163R Het
Itpr3 C T 17: 27,334,927 (GRCm39) T2147I probably damaging Het
Kif1a A T 1: 92,950,173 (GRCm39) V1418E probably benign Het
Kif26b T C 1: 178,743,815 (GRCm39) C1304R probably benign Het
Lmna CAGCACGGTGCGTGAGC CAGC 3: 88,389,857 (GRCm39) probably null Het
Lvrn A T 18: 47,033,609 (GRCm39) D940V probably damaging Het
Mill1 G A 7: 17,997,027 (GRCm39) R206H probably benign Het
Mrgpra1 A T 7: 46,985,268 (GRCm39) L137Q probably damaging Het
Npc2 C A 12: 84,807,638 (GRCm39) L73F probably benign Het
Or11g26 A G 14: 50,752,669 (GRCm39) T3A probably benign Het
Or52i2 A T 7: 102,320,011 (GRCm39) I295F possibly damaging Het
Or5al1 T C 2: 85,990,681 (GRCm39) E11G probably benign Het
Or5b97 A T 19: 12,879,021 (GRCm39) V41E probably damaging Het
Or5j3 T C 2: 86,128,718 (GRCm39) I186T probably benign Het
Osbpl1a T C 18: 12,952,565 (GRCm39) H533R probably benign Het
Pax7 G A 4: 139,556,819 (GRCm39) T147M probably benign Het
Pdik1l A T 4: 134,006,711 (GRCm39) S143T unknown Het
Prkg1 T G 19: 30,764,371 (GRCm39) T255P possibly damaging Het
Prmt2 A T 10: 76,061,213 (GRCm39) I91N probably damaging Het
Ptprm A G 17: 67,116,484 (GRCm39) Y932H probably damaging Het
Ptprz1 A T 6: 22,959,694 (GRCm39) I64F probably damaging Het
Qrich2 T C 11: 116,337,946 (GRCm39) K154R probably damaging Het
Rab8b T C 9: 66,826,824 (GRCm39) D31G probably benign Het
Radil A G 5: 142,473,378 (GRCm39) S768P probably damaging Het
Rbm5 A T 9: 107,622,152 (GRCm39) D607E probably benign Het
Reep6 T A 10: 80,169,393 (GRCm39) V131E probably damaging Het
Rrbp1 T A 2: 143,832,099 (GRCm39) I23F probably damaging Het
Rubcn A T 16: 32,663,481 (GRCm39) V385D probably benign Het
Sall2 C T 14: 52,552,124 (GRCm39) G357D possibly damaging Het
Slc12a6 T A 2: 112,174,881 (GRCm39) L547H probably damaging Het
Slc16a6 T C 11: 109,354,322 (GRCm39) T100A probably benign Het
Sptbn2 T C 19: 4,800,535 (GRCm39) L2250P probably damaging Het
Stab1 C T 14: 30,876,901 (GRCm39) A808T probably benign Het
Stag1 A G 9: 100,810,151 (GRCm39) T785A probably benign Het
Stambpl1 T G 19: 34,211,535 (GRCm39) S199A probably benign Het
Styxl2 A T 1: 165,928,654 (GRCm39) S319R probably damaging Het
Tanc1 T C 2: 59,626,196 (GRCm39) F518L probably damaging Het
Tdpoz3 T A 3: 93,734,156 (GRCm39) V277D probably benign Het
Unc45a A C 7: 79,975,403 (GRCm39) Y934D probably damaging Het
Vmn1r192 G A 13: 22,372,119 (GRCm39) P34S probably benign Het
Wipf3 T C 6: 54,466,004 (GRCm39) S421P possibly damaging Het
Zfp296 A G 7: 19,314,227 (GRCm39) K361E possibly damaging Het
Zfp882 T A 8: 72,667,915 (GRCm39) N247K probably benign Het
Zfpm2 A G 15: 40,965,710 (GRCm39) T732A possibly damaging 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
R8480:Supt20 UTSW 3 54,614,537 (GRCm39) missense probably damaging 1.00
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
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 54,635,068 (GRCm39) small insertion probably benign
RF026:Supt20 UTSW 3 54,635,091 (GRCm39) nonsense probably null
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'- CTCCAGAGGTAGCAGATGTG -3'
(R):5'- GCGACTTACACATTTTGGGTAC -3'

Sequencing Primer
(F):5'- CAGAGGTAGCAGATGTGGGTGG -3'
(R):5'- CACATTTTGGGTACACAGTACATTC -3'
Posted On 2022-11-14