Incidental Mutation 'R8072:Smad2'
ID 620312
Institutional Source Beutler Lab
Gene Symbol Smad2
Ensembl Gene ENSMUSG00000024563
Gene Name SMAD family member 2
Synonyms Madr2, Madh2, Smad 2, 7120426M23Rik
MMRRC Submission 067507-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R8072 (G1)
Quality Score 225.009
Status Not validated
Chromosome 18
Chromosomal Location 76374651-76444034 bp(+) (GRCm39)
Type of Mutation critical splice donor site (2 bp from exon)
DNA Base Change (assembly) T to C at 76420022 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change
Ref Sequence ENSEMBL: ENSMUSP00000025453 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000025453] [ENSMUST00000091831] [ENSMUST00000113930] [ENSMUST00000165084] [ENSMUST00000168423] [ENSMUST00000171256] [ENSMUST00000172198]
AlphaFold Q62432
Predicted Effect probably null
Transcript: ENSMUST00000025453
SMART Domains Protein: ENSMUSP00000025453
Gene: ENSMUSG00000024563

DomainStartEndE-ValueType
DWA 36 174 1e-64 SMART
Blast:DWB 230 261 2e-10 BLAST
DWB 272 443 2.25e-108 SMART
Predicted Effect probably benign
Transcript: ENSMUST00000091831
SMART Domains Protein: ENSMUSP00000089439
Gene: ENSMUSG00000024563

DomainStartEndE-ValueType
DWA 36 144 1.68e-66 SMART
Blast:DWB 200 231 1e-10 BLAST
DWB 242 413 2.25e-108 SMART
Predicted Effect probably benign
Transcript: ENSMUST00000113930
SMART Domains Protein: ENSMUSP00000109563
Gene: ENSMUSG00000024563

DomainStartEndE-ValueType
DWA 36 144 1.68e-66 SMART
Blast:DWB 200 231 9e-11 BLAST
DWB 242 408 4.38e-88 SMART
Predicted Effect probably benign
Transcript: ENSMUST00000165084
SMART Domains Protein: ENSMUSP00000132851
Gene: ENSMUSG00000024563

DomainStartEndE-ValueType
DWA 36 144 7.85e-67 SMART
PDB:1KHX|A 166 204 3e-19 PDB
SCOP:d1khxa_ 190 204 7e-4 SMART
Predicted Effect probably benign
Transcript: ENSMUST00000168423
SMART Domains Protein: ENSMUSP00000130115
Gene: ENSMUSG00000024563

DomainStartEndE-ValueType
DWA 36 174 1e-64 SMART
Blast:DWB 230 261 2e-10 BLAST
DWB 272 443 2.25e-108 SMART
Predicted Effect probably benign
Transcript: ENSMUST00000171256
SMART Domains Protein: ENSMUSP00000125883
Gene: ENSMUSG00000024563

DomainStartEndE-ValueType
DWA 36 174 1e-64 SMART
Blast:DWA 182 213 3e-13 BLAST
Predicted Effect probably benign
Transcript: ENSMUST00000172198
SMART Domains Protein: ENSMUSP00000129232
Gene: ENSMUSG00000024563

DomainStartEndE-ValueType
Pfam:MH2 28 58 1.8e-10 PFAM
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 99.9%
  • 10x: 99.3%
  • 20x: 97.5%
Validation Efficiency
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] The protein encoded by this gene belongs to the SMAD, a family of proteins similar to the gene products of the Drosophila gene 'mothers against decapentaplegic' (Mad) and the C. elegans gene Sma. SMAD proteins are signal transducers and transcriptional modulators that mediate multiple signaling pathways. This protein mediates the signal of the transforming growth factor (TGF)-beta, and thus regulates multiple cellular processes, such as cell proliferation, apoptosis, and differentiation. This protein is recruited to the TGF-beta receptors through its interaction with the SMAD anchor for receptor activation (SARA) protein. In response to TGF-beta signal, this protein is phosphorylated by the TGF-beta receptors. The phosphorylation induces the dissociation of this protein with SARA and the association with the family member SMAD4. The association with SMAD4 is important for the translocation of this protein into the nucleus, where it binds to target promoters and forms a transcription repressor complex with other cofactors. This protein can also be phosphorylated by activin type 1 receptor kinase, and mediates the signal from the activin. Alternatively spliced transcript variants have been observed for this gene. [provided by RefSeq, May 2012]
PHENOTYPE: Homozygous mutant embryos die at day 6.5-8.5 with multiple defects, including failed gastrulation, lack of mesoderm, visceral endoderm dysfunction and failure to form anterior-posterior axis. Heterozygotes may show gastrulation defects and lack mandible or eyes. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 47 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abca13 T C 11: 9,244,574 (GRCm39) S2146P probably benign Het
Acad9 G A 3: 36,129,404 (GRCm39) V160I probably benign Het
Ace T C 11: 105,863,785 (GRCm39) V411A probably damaging Het
Ankrd66 T C 17: 43,854,526 (GRCm39) E2G possibly damaging Het
Apol6 A T 15: 76,935,303 (GRCm39) T191S probably benign Het
Arhgef17 T A 7: 100,531,004 (GRCm39) T352S probably benign Het
Atad2 C T 15: 57,963,374 (GRCm39) R1081Q possibly damaging Het
Atg3 G T 16: 45,008,048 (GRCm39) V297F probably damaging Het
Atp9b A C 18: 80,808,276 (GRCm39) S663A Het
Col10a1 G T 10: 34,266,663 (GRCm39) V16F unknown Het
Col3a1 G A 1: 45,360,734 (GRCm39) V55I unknown Het
Ctns T C 11: 73,082,572 (GRCm39) T53A probably benign Het
Cyp2b23 A T 7: 26,365,431 (GRCm39) I468N probably damaging Het
Dcbld2 G A 16: 58,283,460 (GRCm39) W565* probably null Het
Esco2 A T 14: 66,070,130 (GRCm39) N16K probably benign Het
Fggy A G 4: 95,732,394 (GRCm39) N462D possibly damaging Het
Fhod3 TGAGGAGGAGGAGGAGGA TGAGGAGGAGGAGGA 18: 25,153,722 (GRCm39) probably benign Het
Gm4846 T C 1: 166,322,241 (GRCm39) T109A probably benign Het
H2-M11 G T 17: 36,859,026 (GRCm39) V189L probably benign Het
Hmcn1 T A 1: 150,532,256 (GRCm39) T3175S possibly damaging Het
Hook2 G A 8: 85,721,120 (GRCm39) V184M probably benign Het
Hspa4l A T 3: 40,741,178 (GRCm39) D730V probably damaging Het
Igkv4-68 C T 6: 69,282,113 (GRCm39) M19I probably benign Het
Igsf9b C A 9: 27,228,660 (GRCm39) T140N possibly damaging Het
Kcnj1 G A 9: 32,308,593 (GRCm39) R339Q probably damaging Het
Lcn8 T G 2: 25,545,184 (GRCm39) L118W probably damaging Het
Lin28a A G 4: 133,745,453 (GRCm39) F47L possibly damaging Het
Loxl4 T C 19: 42,596,021 (GRCm39) E144G probably damaging Het
Mmp1a TG TGG 9: 7,465,083 (GRCm38) probably null Het
Mrgprb1 C A 7: 48,097,895 (GRCm39) E6* probably null Het
Mthfsd A C 8: 121,825,555 (GRCm39) Y339D probably damaging Het
Mup11 A T 4: 60,615,777 (GRCm39) F153L probably damaging Het
Pcdhac2 G A 18: 37,278,717 (GRCm39) V566M probably benign Het
Plpp7 G T 2: 31,986,121 (GRCm39) A100S probably benign Het
Prg4 T C 1: 150,331,774 (GRCm39) T300A possibly damaging Het
Ptprd A G 4: 76,004,273 (GRCm39) F161L probably benign Het
Pwp2 G A 10: 78,007,930 (GRCm39) A875V possibly damaging Het
Rhd A G 4: 134,611,460 (GRCm39) T207A possibly damaging Het
Sh2d3c C T 2: 32,643,150 (GRCm39) R778C probably damaging Het
Slc34a3 A C 2: 25,119,289 (GRCm39) V527G probably benign Het
Sp110 GTACT GTACTACT 1: 85,515,207 (GRCm39) probably benign Het
Spata21 C T 4: 140,839,317 (GRCm39) Q611* probably null Het
Taf4b A G 18: 14,954,585 (GRCm39) T554A probably benign Het
Tial1 T C 7: 128,044,194 (GRCm39) T107A unknown Het
Ubxn6 C A 17: 56,380,195 (GRCm39) R42L probably benign Het
Vmn2r90 A T 17: 17,947,142 (GRCm39) N473I probably damaging Het
Ythdc1 T A 5: 86,969,133 (GRCm39) Y351* probably null Het
Other mutations in Smad2
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00429:Smad2 APN 18 76,431,566 (GRCm39) missense possibly damaging 0.94
IGL00978:Smad2 APN 18 76,432,846 (GRCm39) splice site probably benign
IGL01295:Smad2 APN 18 76,435,501 (GRCm39) missense probably benign 0.05
IGL01887:Smad2 APN 18 76,432,965 (GRCm39) missense probably damaging 1.00
IGL01960:Smad2 APN 18 76,395,555 (GRCm39) intron probably benign
IGL02881:Smad2 APN 18 76,432,851 (GRCm39) splice site probably null
IGL02977:Smad2 APN 18 76,422,235 (GRCm39) missense possibly damaging 0.64
R0333:Smad2 UTSW 18 76,395,692 (GRCm39) missense probably damaging 1.00
R0391:Smad2 UTSW 18 76,422,108 (GRCm39) critical splice acceptor site probably null
R0523:Smad2 UTSW 18 76,395,623 (GRCm39) missense probably benign
R0570:Smad2 UTSW 18 76,422,250 (GRCm39) splice site probably benign
R0624:Smad2 UTSW 18 76,433,064 (GRCm39) missense probably damaging 1.00
R1573:Smad2 UTSW 18 76,395,657 (GRCm39) missense possibly damaging 0.89
R1953:Smad2 UTSW 18 76,395,776 (GRCm39) missense possibly damaging 0.90
R2132:Smad2 UTSW 18 76,421,155 (GRCm39) nonsense probably null
R2213:Smad2 UTSW 18 76,437,697 (GRCm39) missense probably damaging 1.00
R3021:Smad2 UTSW 18 76,395,703 (GRCm39) missense probably damaging 1.00
R3917:Smad2 UTSW 18 76,421,008 (GRCm39) missense probably benign 0.42
R4503:Smad2 UTSW 18 76,435,663 (GRCm39) missense probably benign 0.23
R5253:Smad2 UTSW 18 76,421,124 (GRCm39) missense probably damaging 1.00
R5290:Smad2 UTSW 18 76,395,795 (GRCm39) missense probably damaging 1.00
R5891:Smad2 UTSW 18 76,433,046 (GRCm39) missense probably damaging 1.00
R6294:Smad2 UTSW 18 76,422,233 (GRCm39) missense probably benign 0.31
R6879:Smad2 UTSW 18 76,395,725 (GRCm39) missense possibly damaging 0.49
R7430:Smad2 UTSW 18 76,421,151 (GRCm39) missense probably damaging 1.00
R7503:Smad2 UTSW 18 76,419,956 (GRCm39) missense probably benign
R7757:Smad2 UTSW 18 76,421,084 (GRCm39) missense probably benign 0.40
R9132:Smad2 UTSW 18 76,395,573 (GRCm39) missense possibly damaging 0.87
R9159:Smad2 UTSW 18 76,395,573 (GRCm39) missense possibly damaging 0.87
R9184:Smad2 UTSW 18 76,422,171 (GRCm39) missense probably benign 0.00
Z1177:Smad2 UTSW 18 76,421,074 (GRCm39) missense probably damaging 1.00
Z1177:Smad2 UTSW 18 76,421,073 (GRCm39) missense probably damaging 1.00
Predicted Primers PCR Primer
(F):5'- AGAAAATATAGTGGCTCGTGCTG -3'
(R):5'- TGACCAAAACATTAGCTGAAGC -3'

Sequencing Primer
(F):5'- GAAGGAAGTGTTCTGTACATTCTCC -3'
(R):5'- CATCCTAGGCACAAGGTA -3'
Posted On 2020-01-23