Incidental Mutation 'R0940:Smc3'
ID 81473
Institutional Source Beutler Lab
Gene Symbol Smc3
Ensembl Gene ENSMUSG00000024974
Gene Name structural maintenance of chromosomes 3
Synonyms Cspg6, Bamacan, Mmip1, SmcD
MMRRC Submission 039079-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R0940 (G1)
Quality Score 225
Status Validated
Chromosome 19
Chromosomal Location 53588827-53634262 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to A at 53629340 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Methionine to Lysine at position 931 (M931K)
Ref Sequence ENSEMBL: ENSMUSP00000025930 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000025930]
AlphaFold Q9CW03
PDB Structure SMC hinge heterodimer (Mouse) [X-RAY DIFFRACTION]
Predicted Effect probably benign
Transcript: ENSMUST00000025930
AA Change: M931K

PolyPhen 2 Score 0.102 (Sensitivity: 0.93; Specificity: 0.86)
SMART Domains Protein: ENSMUSP00000025930
Gene: ENSMUSG00000024974
AA Change: M931K

DomainStartEndE-ValueType
Pfam:AAA_23 5 359 5.4e-10 PFAM
SMC_hinge 530 643 1.85e-23 SMART
low complexity region 684 711 N/A INTRINSIC
Blast:SMC_hinge 712 804 3e-49 BLAST
low complexity region 805 818 N/A INTRINSIC
Blast:SMC_hinge 819 870 3e-23 BLAST
Blast:INB 898 1174 2e-52 BLAST
PDB:1XEW|Y 1032 1212 6e-30 PDB
SCOP:d1e69a_ 1114 1193 2e-9 SMART
Predicted Effect noncoding transcript
Transcript: ENSMUST00000157053
Predicted Effect noncoding transcript
Transcript: ENSMUST00000171083
Meta Mutation Damage Score 0.1237 question?
Coding Region Coverage
  • 1x: 99.5%
  • 3x: 99.1%
  • 10x: 98.0%
  • 20x: 96.7%
Validation Efficiency 100% (68/68)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This gene belongs to the SMC3 subfamily of SMC proteins. The encoded protein occurs in certain cell types as either an intracellular, nuclear protein or a secreted protein. The nuclear form, known as structural maintenance of chromosomes 3, is a component of the multimeric cohesin complex that holds together sister chromatids during mitosis, enabling proper chromosome segregation. Post-translational modification of the encoded protein by the addition of chondroitin sulfate chains gives rise to the secreted proteoglycan bamacan, an abundant basement membrane protein. [provided by RefSeq, Jul 2008]
PHENOTYPE: Mice homozygous for a knock-out allele exhibit complete embryonic lethality. Mice heterozygous for this allele exhibit partial postnatal lethality, decreased body weight, abnormal craniofacial morphology, and increased T cell number. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 63 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
1810064F22Rik C T 9: 22,119,367 (GRCm39) noncoding transcript Het
2610021A01Rik T G 7: 41,275,858 (GRCm39) I520M probably damaging Het
Ackr4 A G 9: 103,976,831 (GRCm39) F39L probably damaging Het
Adgre5 C T 8: 84,460,126 (GRCm39) S92N probably damaging Het
Adrb2 T C 18: 62,312,762 (GRCm39) D21G probably benign Het
Akr1c6 G A 13: 4,486,372 (GRCm39) E60K probably benign Het
Bcl7c T A 7: 127,306,503 (GRCm39) N96I possibly damaging Het
Brca1 A T 11: 101,422,969 (GRCm39) S106R possibly damaging Het
C6 A T 15: 4,764,717 (GRCm39) T138S probably benign Het
Cul3 T C 1: 80,300,564 (GRCm39) probably benign Het
Dnah8 T A 17: 31,022,217 (GRCm39) M3939K probably damaging Het
Dock4 T A 12: 40,681,626 (GRCm39) probably benign Het
Dsc2 T G 18: 20,183,116 (GRCm39) T101P probably damaging Het
Dynlt1b T C 17: 6,697,649 (GRCm39) probably benign Het
E330013P04Rik A G 19: 60,150,354 (GRCm39) noncoding transcript Het
Fggy A G 4: 95,585,238 (GRCm39) E39G probably benign Het
Fhip1a A G 3: 85,572,797 (GRCm39) V952A possibly damaging Het
Fmo6 A T 1: 162,753,795 (GRCm39) C116S probably benign Het
Gadd45a A G 6: 67,013,813 (GRCm39) I44T possibly damaging Het
Gmps A G 3: 63,883,743 (GRCm39) probably benign Het
Gnmt A G 17: 47,037,271 (GRCm39) L171P probably damaging Het
Hnrnpm G A 17: 33,868,976 (GRCm39) R523C probably damaging Het
Inpp5a T C 7: 139,105,654 (GRCm39) Y202H probably damaging Het
Kank3 C T 17: 34,036,450 (GRCm39) S106F probably damaging Het
Lmcd1 A G 6: 112,305,658 (GRCm39) D253G probably benign Het
Lrrk2 A T 15: 91,613,284 (GRCm39) I803F possibly damaging Het
Mybpc2 T C 7: 44,156,311 (GRCm39) K834R probably benign Het
Mycbp2 A T 14: 103,500,129 (GRCm39) probably benign Het
Myh4 A T 11: 67,133,689 (GRCm39) N243Y probably damaging Het
Myorg A G 4: 41,497,996 (GRCm39) Y545H probably damaging Het
Nfatc1 C T 18: 80,679,110 (GRCm39) M759I probably benign Het
Nipal4 A G 11: 46,041,139 (GRCm39) I352T possibly damaging Het
Nomo1 A G 7: 45,683,329 (GRCm39) E25G possibly damaging Het
Or10j27 A G 1: 172,958,020 (GRCm39) S255P probably benign Het
Or13a19 T C 7: 139,903,065 (GRCm39) I151T probably benign Het
Or14j7 A G 17: 38,234,591 (GRCm39) I45V probably damaging Het
Or1e32 T C 11: 73,705,050 (GRCm39) N286S probably damaging Het
Or4c116 T A 2: 88,942,419 (GRCm39) I146L probably benign Het
Or5p66 T C 7: 107,886,264 (GRCm39) D23G probably benign Het
Pabpn1l A G 8: 123,349,183 (GRCm39) V78A probably benign Het
Pde6b T A 5: 108,568,203 (GRCm39) I327N possibly damaging Het
Phrf1 T C 7: 140,834,768 (GRCm39) probably benign Het
Pkm C T 9: 59,575,818 (GRCm39) probably benign Het
Plxna2 G A 1: 194,482,863 (GRCm39) V1519I probably benign Het
Ppp2cb T C 8: 34,105,689 (GRCm39) probably null Het
Prickle2 A G 6: 92,387,984 (GRCm39) Y473H probably benign Het
Prpf3 A G 3: 95,751,535 (GRCm39) W389R probably damaging Het
Psme4 G A 11: 30,765,264 (GRCm39) E544K possibly damaging Het
Relb A T 7: 19,345,767 (GRCm39) D395E probably damaging Het
Rif1 GCCACCA GCCA 2: 52,000,336 (GRCm39) probably benign Het
Rnf213 A G 11: 119,307,389 (GRCm39) N683S probably benign Het
Rtel1 T C 2: 180,964,596 (GRCm39) C102R probably benign Het
Sel1l3 C T 5: 53,301,379 (GRCm39) probably benign Het
Slc8a2 A G 7: 15,878,887 (GRCm39) T458A probably benign Het
Sorbs2 T C 8: 46,249,539 (GRCm39) V795A probably benign Het
Tgm3 A G 2: 129,854,326 (GRCm39) S2G probably benign Het
Tpbpa T C 13: 61,087,867 (GRCm39) T75A probably damaging Het
Trub1 A G 19: 57,473,495 (GRCm39) probably benign Het
Uggt2 A G 14: 119,328,604 (GRCm39) probably null Het
Ugt2a3 A G 5: 87,475,065 (GRCm39) V393A possibly damaging Het
Vav3 T A 3: 109,470,151 (GRCm39) M532K possibly damaging Het
Zfp616 A T 11: 73,975,850 (GRCm39) K706N probably damaging Het
Zkscan1 T C 5: 138,091,432 (GRCm39) F55S probably damaging Het
Other mutations in Smc3
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL01017:Smc3 APN 19 53,617,758 (GRCm39) missense probably damaging 0.99
IGL01300:Smc3 APN 19 53,630,283 (GRCm39) splice site probably benign
IGL02136:Smc3 APN 19 53,624,147 (GRCm39) missense probably benign 0.02
IGL02216:Smc3 APN 19 53,610,275 (GRCm39) missense probably damaging 1.00
IGL02473:Smc3 APN 19 53,624,879 (GRCm39) missense probably benign 0.06
IGL02797:Smc3 APN 19 53,627,189 (GRCm39) missense probably benign 0.03
IGL02959:Smc3 APN 19 53,611,988 (GRCm39) missense probably benign 0.00
IGL03343:Smc3 APN 19 53,602,273 (GRCm39) missense probably damaging 1.00
Bits UTSW 19 53,611,649 (GRCm39) critical splice donor site probably null
Pieces UTSW 19 53,617,802 (GRCm39) missense probably damaging 0.99
Smithereens UTSW 19 53,630,362 (GRCm39) missense probably damaging 1.00
R0081:Smc3 UTSW 19 53,589,993 (GRCm39) splice site probably benign
R1248:Smc3 UTSW 19 53,622,509 (GRCm39) missense probably benign 0.01
R1661:Smc3 UTSW 19 53,613,496 (GRCm39) missense probably benign 0.08
R1779:Smc3 UTSW 19 53,627,800 (GRCm39) missense probably benign 0.02
R2046:Smc3 UTSW 19 53,627,845 (GRCm39) missense probably benign 0.00
R2073:Smc3 UTSW 19 53,619,964 (GRCm39) missense probably benign 0.08
R2074:Smc3 UTSW 19 53,619,964 (GRCm39) missense probably benign 0.08
R3077:Smc3 UTSW 19 53,616,322 (GRCm39) missense probably benign 0.16
R4962:Smc3 UTSW 19 53,619,948 (GRCm39) missense probably damaging 0.99
R5684:Smc3 UTSW 19 53,629,235 (GRCm39) missense probably benign 0.00
R6020:Smc3 UTSW 19 53,613,594 (GRCm39) critical splice donor site probably null
R6169:Smc3 UTSW 19 53,622,517 (GRCm39) missense probably benign 0.02
R6221:Smc3 UTSW 19 53,630,362 (GRCm39) missense probably damaging 1.00
R6258:Smc3 UTSW 19 53,616,162 (GRCm39) splice site probably null
R6960:Smc3 UTSW 19 53,617,802 (GRCm39) missense probably damaging 0.99
R7048:Smc3 UTSW 19 53,617,682 (GRCm39) missense probably benign 0.01
R7148:Smc3 UTSW 19 53,630,326 (GRCm39) missense possibly damaging 0.93
R7157:Smc3 UTSW 19 53,630,329 (GRCm39) missense probably damaging 1.00
R7805:Smc3 UTSW 19 53,629,390 (GRCm39) missense probably benign 0.26
R7968:Smc3 UTSW 19 53,611,649 (GRCm39) critical splice donor site probably null
R8066:Smc3 UTSW 19 53,603,576 (GRCm39) missense probably damaging 1.00
R8202:Smc3 UTSW 19 53,617,123 (GRCm39) missense possibly damaging 0.94
R8472:Smc3 UTSW 19 53,617,142 (GRCm39) missense probably benign 0.02
R8683:Smc3 UTSW 19 53,629,616 (GRCm39) missense possibly damaging 0.50
R8827:Smc3 UTSW 19 53,611,085 (GRCm39) missense probably benign 0.01
R9072:Smc3 UTSW 19 53,617,200 (GRCm39) missense probably benign 0.00
R9073:Smc3 UTSW 19 53,617,200 (GRCm39) missense probably benign 0.00
R9355:Smc3 UTSW 19 53,622,544 (GRCm39) critical splice donor site probably null
R9428:Smc3 UTSW 19 53,617,150 (GRCm39) missense possibly damaging 0.48
X0026:Smc3 UTSW 19 53,613,551 (GRCm39) missense probably benign 0.13
Predicted Primers PCR Primer
(F):5'- TAGGTCCTTATCAGGCCATGCACCAG -3'
(R):5'- TTAAGACACTCACAGGCCACAGGGAG -3'

Sequencing Primer
(F):5'- GAAATGGGTCTTAATGCCCTTC -3'
(R):5'- GCCACAGGGAGTCTTGC -3'
Posted On 2013-11-07