Incidental Mutation 'R9414:Supt20'
ID 711927
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 # R9414 (G1)
Quality Score 225.009
Status Validated
Chromosome 3
Chromosomal Location 54600228-54636187 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to A at 54610504 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Isoleucine to Asparagine at position 103 (I103N)
Ref Sequence ENSEMBL: ENSMUSP00000131454 (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: I103N

PolyPhen 2 Score 0.996 (Sensitivity: 0.55; Specificity: 0.98)
SMART Domains Protein: ENSMUSP00000131454
Gene: ENSMUSG00000027751
AA Change: I103N

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: I102N

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000143750
Gene: ENSMUSG00000027751
AA Change: I102N

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: I102N

PolyPhen 2 Score 0.997 (Sensitivity: 0.41; Specificity: 0.98)
SMART Domains Protein: ENSMUSP00000142648
Gene: ENSMUSG00000027751
AA Change: I102N

DomainStartEndE-ValueType
low complexity region 45 56 N/A INTRINSIC
Pfam:Spt20 59 181 1.2e-25 PFAM
Predicted Effect probably damaging
Transcript: ENSMUST00000199655
AA Change: I102N

PolyPhen 2 Score 0.997 (Sensitivity: 0.41; Specificity: 0.98)
SMART Domains Protein: ENSMUSP00000143520
Gene: ENSMUSG00000027751
AA Change: I102N

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: I102N

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000142948
Gene: ENSMUSG00000027751
AA Change: I102N

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: I102N

PolyPhen 2 Score 0.997 (Sensitivity: 0.41; Specificity: 0.98)
SMART Domains Protein: ENSMUSP00000143059
Gene: ENSMUSG00000027751
AA Change: I102N

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: 99.9%
  • 10x: 99.4%
  • 20x: 97.7%
Validation Efficiency 98% (59/60)
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: 62 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abca9 A T 11: 110,035,100 (GRCm39) I689K probably damaging Het
Agtpbp1 G T 13: 59,609,902 (GRCm39) T1076K probably damaging Het
Ammecr1l A G 18: 31,904,962 (GRCm39) T68A probably benign Het
Arvcf A G 16: 18,215,580 (GRCm39) E264G probably damaging Het
Cacna1b C T 2: 24,538,514 (GRCm39) D1542N probably damaging Het
Cacna2d2 A G 9: 107,392,395 (GRCm39) T512A probably damaging Het
Crebbp A G 16: 3,925,356 (GRCm39) C1213R probably damaging Het
Cybrd1 G T 2: 70,948,567 (GRCm39) R35L probably damaging Het
Dcaf1 G A 9: 106,757,158 (GRCm39) W1412* probably null Het
Eif4e T A 3: 138,253,495 (GRCm39) D67E probably benign Het
Epb41 G A 4: 131,702,162 (GRCm39) T491I probably damaging Het
Fez1 G A 9: 36,779,247 (GRCm39) S308N probably benign Het
Fgfr3 A G 5: 33,887,298 (GRCm39) S206G possibly damaging Het
Flcn A T 11: 59,684,998 (GRCm39) N484K possibly damaging Het
Gdap2 T C 3: 100,090,071 (GRCm39) probably null Het
Gfpt1 T A 6: 87,062,265 (GRCm39) D541E probably benign Het
Gm5089 A G 14: 122,673,604 (GRCm39) F39S unknown Het
Gm7694 C T 1: 170,130,173 (GRCm39) G75D probably benign Het
Gpr15 A G 16: 58,538,516 (GRCm39) L191S probably benign Het
Hmcn1 T G 1: 150,545,187 (GRCm39) T2807P probably damaging Het
Iqgap2 T C 13: 95,783,349 (GRCm39) T1276A Het
Itgae G T 11: 73,002,629 (GRCm39) A129S possibly damaging Het
Kcns1 T C 2: 164,010,378 (GRCm39) E127G probably damaging Het
Kmt2b T C 7: 30,282,307 (GRCm39) E1118G probably damaging Het
Lair1 T C 7: 4,013,819 (GRCm39) I143V probably benign Het
Lcmt2 T C 2: 120,970,621 (GRCm39) D154G possibly damaging Het
Ly9 T C 1: 171,427,275 (GRCm39) T427A probably damaging Het
Man2c1 A G 9: 57,044,030 (GRCm39) T281A possibly damaging Het
Map4k2 T C 19: 6,394,515 (GRCm39) F332L probably benign Het
Meak7 A T 8: 120,495,081 (GRCm39) S226T probably benign Het
Mmp10 A T 9: 7,502,489 (GRCm39) D32V probably benign Het
Mroh2a C T 1: 88,179,096 (GRCm39) R1110W probably benign Het
Naip2 T A 13: 100,298,243 (GRCm39) S598C probably damaging Het
Npnt T C 3: 132,612,116 (GRCm39) N300S probably benign Het
Or13a20 C A 7: 140,232,263 (GRCm39) R124S probably damaging Het
Or5b95 T C 19: 12,657,712 (GRCm39) V80A probably benign Het
Or5k15 G A 16: 58,710,565 (GRCm39) T6I probably benign Het
Pacsin1 T C 17: 27,926,985 (GRCm39) V387A probably damaging Het
Pald1 G T 10: 61,178,932 (GRCm39) A489E probably benign Het
Pcnx1 G T 12: 81,964,978 (GRCm39) G382W probably damaging Het
Pde6b T A 5: 108,567,592 (GRCm39) M294K possibly damaging Het
Phf20 T C 2: 156,136,167 (GRCm39) V662A probably benign Het
Plcg1 T C 2: 160,603,276 (GRCm39) I1149T possibly damaging Het
Prdx2 T C 8: 85,697,196 (GRCm39) S79P probably damaging Het
Rab19 T C 6: 39,360,855 (GRCm39) M1T probably null Het
Retn T G 8: 3,706,908 (GRCm39) F44C probably damaging Het
Rp1 A T 1: 4,313,841 (GRCm39) W507R unknown Het
Rsf1 A C 7: 97,313,765 (GRCm39) probably null Het
Ryr3 C T 2: 112,501,011 (GRCm39) E3561K possibly damaging Het
Scaf1 T A 7: 44,652,716 (GRCm39) Y1220F unknown Het
Sowahc A G 10: 59,058,491 (GRCm39) K209R probably benign Het
Tenm4 A G 7: 96,545,367 (GRCm39) E2498G probably benign Het
Tet1 T C 10: 62,674,935 (GRCm39) N1047S probably benign Het
Thap1 CAGCATCTGCTCGGAGCA CAGCA 8: 26,650,884 (GRCm39) probably null Het
Tub T A 7: 108,626,265 (GRCm39) I267N probably damaging Het
Uggt1 T C 1: 36,223,507 (GRCm39) E594G probably benign Het
Vmn2r104 T A 17: 20,250,250 (GRCm39) I674F probably damaging Het
Zbed6 T C 1: 133,585,015 (GRCm39) D774G probably damaging Het
Zcchc4 T C 5: 52,953,964 (GRCm39) S215P probably benign Het
Zfc3h1 T G 10: 115,249,916 (GRCm39) S1177A possibly damaging Het
Zfp646 G A 7: 127,481,050 (GRCm39) A1076T probably damaging Het
Zfp735 T A 11: 73,602,023 (GRCm39) Y322* probably null 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
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'- ATGAGACTAAGCCTTTGAGCTGTG -3'
(R):5'- TAACCAGTGCCACAAAAGGG -3'

Sequencing Primer
(F):5'- AGTTCCAGTCACTTATGAGCTG -3'
(R):5'- GGCTGGCTTCAAACTTCCTTAAGATG -3'
Posted On 2022-05-16