Incidental Mutation 'R3021:Smad2'
ID 257757
Institutional Source Beutler Lab
Gene Symbol Smad2
Ensembl Gene ENSMUSG00000024563
Gene Name SMAD family member 2
Synonyms Madr2, Madh2, Smad 2, 7120426M23Rik
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R3021 (G1)
Quality Score 225
Status Not validated
Chromosome 18
Chromosomal Location 76374651-76444034 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to G at 76395703 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Serine to Arginine at position 47 (S47R)
Ref Sequence ENSEMBL: ENSMUSP00000132851 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000025453] [ENSMUST00000091831] [ENSMUST00000113930] [ENSMUST00000165084] [ENSMUST00000168423] [ENSMUST00000171256] [ENSMUST00000172198]
AlphaFold Q62432
Predicted Effect probably damaging
Transcript: ENSMUST00000025453
AA Change: S47R

PolyPhen 2 Score 0.974 (Sensitivity: 0.76; Specificity: 0.96)
SMART Domains Protein: ENSMUSP00000025453
Gene: ENSMUSG00000024563
AA Change: S47R

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 damaging
Transcript: ENSMUST00000091831
AA Change: S47R

PolyPhen 2 Score 0.974 (Sensitivity: 0.76; Specificity: 0.96)
SMART Domains Protein: ENSMUSP00000089439
Gene: ENSMUSG00000024563
AA Change: S47R

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 damaging
Transcript: ENSMUST00000113930
AA Change: S47R

PolyPhen 2 Score 0.990 (Sensitivity: 0.72; Specificity: 0.97)
SMART Domains Protein: ENSMUSP00000109563
Gene: ENSMUSG00000024563
AA Change: S47R

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 damaging
Transcript: ENSMUST00000165084
AA Change: S47R

PolyPhen 2 Score 0.998 (Sensitivity: 0.27; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000132851
Gene: ENSMUSG00000024563
AA Change: S47R

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 damaging
Transcript: ENSMUST00000168423
AA Change: S47R

PolyPhen 2 Score 0.974 (Sensitivity: 0.76; Specificity: 0.96)
SMART Domains Protein: ENSMUSP00000130115
Gene: ENSMUSG00000024563
AA Change: S47R

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 damaging
Transcript: ENSMUST00000171256
AA Change: S47R

PolyPhen 2 Score 0.990 (Sensitivity: 0.72; Specificity: 0.97)
SMART Domains Protein: ENSMUSP00000125883
Gene: ENSMUSG00000024563
AA Change: S47R

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: 99.1%
  • 3x: 98.4%
  • 10x: 96.7%
  • 20x: 93.0%
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: 20 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Atp6v1c1 T C 15: 38,689,460 (GRCm39) V307A possibly damaging Het
Bahd1 C T 2: 118,746,887 (GRCm39) P169S probably damaging Het
Ccdc85a T C 11: 28,526,894 (GRCm39) E210G possibly damaging Het
Dennd1c C T 17: 57,381,180 (GRCm39) probably null Het
Eng T C 2: 32,568,580 (GRCm39) V474A probably damaging Het
Fam114a2 T C 11: 57,390,625 (GRCm39) D303G probably benign Het
Fat1 T A 8: 45,497,048 (GRCm39) C4178S probably damaging Het
Hjurp GT GTT 1: 88,194,246 (GRCm39) probably null Het
Inpp4b A T 8: 82,629,467 (GRCm39) E267D possibly damaging Het
Itch A G 2: 155,051,046 (GRCm39) K578E possibly damaging Het
Mttp T C 3: 137,817,464 (GRCm39) M444V probably benign Het
Or2a56 T C 6: 42,933,118 (GRCm39) S229P possibly damaging Het
Pgm3 A T 9: 86,449,588 (GRCm39) V144E possibly damaging Het
Ppp3cb A T 14: 20,573,921 (GRCm39) Y271* probably null Het
Pramel31 T A 4: 144,088,369 (GRCm39) M55K probably damaging Het
Ptk2b A T 14: 66,415,632 (GRCm39) probably null Het
Rdh1 G A 10: 127,596,077 (GRCm39) V91M possibly damaging Het
Slc15a4 A G 5: 127,681,600 (GRCm39) probably null Het
Smchd1 G T 17: 71,694,093 (GRCm39) S1217R possibly damaging Het
Vmn2r114 ATTT ATT 17: 23,509,906 (GRCm39) 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
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
R8072:Smad2 UTSW 18 76,420,022 (GRCm39) critical splice donor site probably null
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'- GCATTTGGTAGCATATTGAAATCCC -3'
(R):5'- ACTTTAATAACCACCCTACTCTGTG -3'

Sequencing Primer
(F):5'- AGATTTACCGGGCTTTTTCTGAG -3'
(R):5'- ACCCTACTCTGTGCAGATGAAGTG -3'
Posted On 2015-01-11