Incidental Mutation 'R0333:Smad2'
ID 38364
Institutional Source Beutler Lab
Gene Symbol Smad2
Ensembl Gene ENSMUSG00000024563
Gene Name SMAD family member 2
Synonyms Madr2, Madh2, Smad 2, 7120426M23Rik
MMRRC Submission 038542-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R0333 (G1)
Quality Score 199
Status Validated
Chromosome 18
Chromosomal Location 76374651-76444034 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) G to A at 76395692 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Alanine to Threonine at position 44 (A44T)
Ref Sequence ENSEMBL: ENSMUSP00000125883 (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: A44T

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000025453
Gene: ENSMUSG00000024563
AA Change: A44T

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: A44T

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000089439
Gene: ENSMUSG00000024563
AA Change: A44T

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: A44T

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000109563
Gene: ENSMUSG00000024563
AA Change: A44T

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: A44T

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000132851
Gene: ENSMUSG00000024563
AA Change: A44T

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: A44T

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000130115
Gene: ENSMUSG00000024563
AA Change: A44T

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: A44T

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000125883
Gene: ENSMUSG00000024563
AA Change: A44T

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
Meta Mutation Damage Score 0.7109 question?
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.4%
  • 10x: 96.7%
  • 20x: 93.8%
Validation Efficiency 100% (53/53)
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: 49 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Alas1 T C 9: 106,118,480 (GRCm39) N214S probably benign Het
Antxr1 A G 6: 87,165,820 (GRCm39) probably benign Het
Atxn7l3 A T 11: 102,185,818 (GRCm39) probably null Het
Cab39l A G 14: 59,737,060 (GRCm39) E60G probably damaging Het
Cdc5l G T 17: 45,704,142 (GRCm39) probably benign Het
Cux2 T C 5: 121,998,671 (GRCm39) E1423G probably benign Het
Dbndd1 G T 8: 124,233,512 (GRCm39) Q165K probably damaging Het
Drd1 C A 13: 54,208,082 (GRCm39) C37F probably damaging Het
Elp3 G A 14: 65,828,042 (GRCm39) P11L probably benign Het
F830045P16Rik A G 2: 129,314,777 (GRCm39) Y167H probably damaging Het
Gimap3 G A 6: 48,742,664 (GRCm39) Q89* probably null Het
H2ac25 C A 11: 58,845,685 (GRCm39) S41* probably null Het
Herc1 G A 9: 66,371,981 (GRCm39) probably null Het
Ipo11 A G 13: 107,007,271 (GRCm39) V603A probably benign Het
Kifap3 G A 1: 163,624,833 (GRCm39) A130T probably damaging Het
Klhl23 A G 2: 69,664,241 (GRCm39) Y530C probably damaging Het
Map4k1 C T 7: 28,699,186 (GRCm39) probably benign Het
Mroh2b T A 15: 4,960,600 (GRCm39) L778M probably damaging Het
Mtdh T C 15: 34,118,247 (GRCm39) S344P possibly damaging Het
Ncoa3 T G 2: 165,896,211 (GRCm39) N371K probably damaging Het
Ncor2 C A 5: 125,111,408 (GRCm39) probably benign Het
Nrn1l A G 8: 106,621,052 (GRCm39) E48G probably benign Het
Nudcd1 A G 15: 44,264,683 (GRCm39) I271T probably benign Het
Or1e17 A T 11: 73,831,593 (GRCm39) I174F possibly damaging Het
Or2t1 T C 14: 14,328,498 (GRCm38) L129P probably damaging Het
Pard3b A G 1: 62,269,371 (GRCm39) N653S probably benign Het
Plekhg1 A C 10: 3,914,419 (GRCm39) K1380N probably damaging Het
Ppara T A 15: 85,675,161 (GRCm39) I210N probably damaging Het
Ppp2r5b A G 19: 6,279,077 (GRCm39) probably benign Het
Prkn T C 17: 11,286,027 (GRCm39) F6L probably damaging Het
Prr14l A G 5: 32,985,337 (GRCm39) L1386P probably damaging Het
Ralgapa1 A G 12: 55,829,685 (GRCm39) probably benign Het
Reln A T 5: 22,134,240 (GRCm39) L2563I probably damaging Het
Rps7 A G 12: 28,681,200 (GRCm39) probably benign Het
Rslcan18 T C 13: 67,246,686 (GRCm39) K309E probably damaging Het
Sec14l5 C T 16: 4,984,930 (GRCm39) T92M probably damaging Het
Slc22a8 G A 19: 8,585,514 (GRCm39) probably benign Het
Smcr8 T C 11: 60,671,048 (GRCm39) V732A possibly damaging Het
Spata2l A G 8: 123,960,371 (GRCm39) F306S probably damaging Het
Stab2 T C 10: 86,677,491 (GRCm39) D2552G probably benign Het
Tctn3 A T 19: 40,595,711 (GRCm39) L358H possibly damaging Het
Tk2 C T 8: 104,975,146 (GRCm39) probably benign Het
Tm6sf2 C T 8: 70,530,564 (GRCm39) R215C probably damaging Het
Tmbim6 T C 15: 99,304,555 (GRCm39) I204T probably damaging Het
Tubgcp2 C A 7: 139,579,260 (GRCm39) W675C probably damaging Het
Usp48 T A 4: 137,321,794 (GRCm39) I62N probably damaging Het
Vmn2r74 T C 7: 85,601,491 (GRCm39) T716A probably benign Het
Vps13b C A 15: 35,879,949 (GRCm39) T3008K probably damaging Het
Wnk1 G A 6: 119,905,124 (GRCm39) probably benign 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
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
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'- TTGCCCAGAGCGTTGACAAAGA -3'
(R):5'- GCGAAAGGAAACTACTAGCCAGCAC -3'

Sequencing Primer
(F):5'- AGACAGCATCGTCATCAGTATAG -3'
(R):5'- TACTAGCCAGCACTTGTCAG -3'
Posted On 2013-05-23