Incidental Mutation 'R2422:Smc1a'
ID 249419
Institutional Source Beutler Lab
Gene Symbol Smc1a
Ensembl Gene ENSMUSG00000041133
Gene Name structural maintenance of chromosomes 1A
Synonyms Smc1alpha, SB1.8, 5830426I24Rik, Smc1l1, Smc1, SMCB
MMRRC Submission 040384-MU
Accession Numbers
Essential gene? Probably essential (E-score: 0.953) question?
Stock # R2422 (G1)
Quality Score 222
Status Validated
Chromosome X
Chromosomal Location 152016428-152062694 bp(+) (GRCm38)
Type of Mutation splice site
DNA Base Change (assembly) A to G at 152047975 bp (GRCm38)
Zygosity Heterozygous
Amino Acid Change
Ref Sequence ENSEMBL: ENSMUSP00000044645 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000045312]
AlphaFold Q9CU62
PDB Structure SMC hinge heterodimer (Mouse) [X-RAY DIFFRACTION]
Predicted Effect probably benign
Transcript: ENSMUST00000045312
SMART Domains Protein: ENSMUSP00000044645
Gene: ENSMUSG00000041133

Pfam:AAA_29 4 57 6.7e-10 PFAM
Pfam:AAA_23 7 299 8.3e-15 PFAM
low complexity region 347 361 N/A INTRINSIC
SMC_hinge 513 629 5.39e-34 SMART
low complexity region 673 687 N/A INTRINSIC
low complexity region 951 967 N/A INTRINSIC
low complexity region 1045 1061 N/A INTRINSIC
PDB:1W1W|D 1062 1223 2e-40 PDB
Blast:AAA 1070 1222 3e-25 BLAST
SCOP:d1e69a_ 1119 1208 5e-5 SMART
Predicted Effect noncoding transcript
Transcript: ENSMUST00000120888
Predicted Effect noncoding transcript
Transcript: ENSMUST00000131395
Meta Mutation Damage Score 0.0898 question?
Coding Region Coverage
  • 1x: 99.1%
  • 3x: 98.5%
  • 10x: 97.1%
  • 20x: 94.5%
Validation Efficiency 99% (77/78)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] Proper cohesion of sister chromatids is a prerequisite for the correct segregation of chromosomes during cell division. The cohesin multiprotein complex is required for sister chromatid cohesion. This complex is composed partly of two structural maintenance of chromosomes (SMC) proteins, SMC3 and either SMC1B or the protein encoded by this gene. Most of the cohesin complexes dissociate from the chromosomes before mitosis, although those complexes at the kinetochore remain. Therefore, the encoded protein is thought to be an important part of functional kinetochores. In addition, this protein interacts with BRCA1 and is phosphorylated by ATM, indicating a potential role for this protein in DNA repair. This gene, which belongs to the SMC gene family, is located in an area of the X-chromosome that escapes X inactivation. Mutations in this gene result in Cornelia de Lange syndrome. Alternative splicing results in multiple transcript variants encoding different isoforms. [provided by RefSeq, Jul 2013]
PHENOTYPE: Mice homozygous for a disruption in this gene display increased chromosomal instability, decreased cell survival, and defective S-phase checkpoint after ionizing radiation exposure. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 77 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
2010300C02Rik C A 1: 37,613,475 V1084L probably benign Het
4933409G03Rik A T 2: 68,591,520 N47I probably benign Het
Actr5 T C 2: 158,636,081 F457S probably damaging Het
Adamts3 A G 5: 89,683,175 S1007P probably damaging Het
Adck2 C T 6: 39,583,998 A440V possibly damaging Het
Birc6 T A 17: 74,660,614 L301Q probably damaging Het
Ccdc18 A C 5: 108,228,588 E1298D probably damaging Het
Ccdc77 A G 6: 120,339,159 C186R probably benign Het
Cdk12 T G 11: 98,219,074 S640R probably benign Het
Cdv3 T C 9: 103,365,118 probably benign Het
Celf2 G A 2: 6,553,889 T364I probably damaging Het
Cmtr2 C A 8: 110,222,781 S574R probably benign Het
Col14a1 T C 15: 55,449,922 L56P unknown Het
Dctn1 C T 6: 83,199,800 L1241F possibly damaging Het
Depdc5 T C 5: 32,991,035 F1505S probably damaging Het
Dhcr24 G T 4: 106,561,094 probably benign Het
Dnajc21 A G 15: 10,461,935 S127P probably benign Het
Entpd7 A T 19: 43,728,088 Y507F possibly damaging Het
Fbp1 T C 13: 62,871,306 K24E probably benign Het
Galr1 A T 18: 82,405,923 N76K probably damaging Het
Glrb A G 3: 80,860,235 I226T probably damaging Het
Gm17421 T A 12: 113,369,487 noncoding transcript Het
Gm4950 T A 18: 51,865,784 Q33L probably benign Het
Gm5415 C T 1: 32,545,861 A323T possibly damaging Het
Gm6583 A T 5: 112,355,118 V240D probably damaging Het
Gnat2 A T 3: 108,095,539 M88L probably damaging Het
Gpr183 A G 14: 121,954,177 Y311H probably damaging Het
H2-M10.5 A G 17: 36,774,999 I308V probably benign Het
Hipk3 C T 2: 104,471,485 G121R probably benign Het
Hjurp A G 1: 88,266,561 probably benign Het
Homez C A 14: 54,857,574 V226F probably benign Het
Inf2 C A 12: 112,610,824 A1034D unknown Het
Kcnc4 G T 3: 107,445,547 P572T probably benign Het
Kmt2d T C 15: 98,862,266 E1037G unknown Het
Krt78 T C 15: 101,947,264 E704G probably damaging Het
Lama1 A T 17: 67,750,553 M541L probably benign Het
Lmbrd2 C T 15: 9,194,765 T618M possibly damaging Het
Ly6g6e G A 17: 35,078,146 R121Q probably benign Het
Mettl22 T C 16: 8,487,361 F293L probably damaging Het
Mib1 T C 18: 10,751,906 S263P probably damaging Het
Ndufaf1 T C 2: 119,655,737 E298G probably damaging Het
Nek1 T C 8: 61,019,901 V152A probably damaging Het
Nlrp4d T A 7: 10,362,945 D876V probably benign Het
Olfr178 T C 16: 58,889,965 E85G probably benign Het
Olfr235 A T 19: 12,268,919 T230S probably damaging Het
Olfr740 T C 14: 50,453,436 L128P probably damaging Het
Olfr975 A G 9: 39,950,528 L81P possibly damaging Het
Pcdha11 G T 18: 37,007,272 L651F probably damaging Het
Plekhg1 G A 10: 3,958,048 M988I probably benign Het
Plxnb1 G A 9: 109,108,438 R1169H probably benign Het
Ppp4r3a A G 12: 101,042,653 probably benign Het
Pum2 A T 12: 8,748,931 Q930L possibly damaging Het
Rbp4 T C 19: 38,124,344 E67G probably damaging Het
Rgs9 C A 11: 109,225,777 probably null Het
Sipa1 A T 19: 5,652,112 D923E possibly damaging Het
Snx33 C A 9: 56,918,538 M546I probably benign Het
Spag17 T A 3: 100,027,619 W714R probably benign Het
Spata2 C T 2: 167,484,206 R231Q probably damaging Het
Stard9 C T 2: 120,700,284 R2341C probably benign Het
Tas2r116 A T 6: 132,855,594 I53F possibly damaging Het
Tlk1 T C 2: 70,770,005 E110G probably damaging Het
Tmem102 T A 11: 69,804,537 E203V probably benign Het
Top2b T G 14: 16,409,189 I777M probably damaging Het
Ttc23l CT CTTGGATT 15: 10,537,562 probably benign Het
Ttc23l G A 15: 10,537,566 S206L probably benign Het
Tyw5 A G 1: 57,396,748 I82T possibly damaging Het
Uba6 A G 5: 86,132,616 probably null Het
Ugcg C T 4: 59,207,798 P46S probably benign Het
Unc13c T C 9: 73,931,547 Y674C probably damaging Het
Vmn2r105 T A 17: 20,227,835 R242S probably benign Het
Vmn2r12 A G 5: 109,086,532 Y605H probably benign Het
Wdr77 A T 3: 105,960,021 K62* probably null Het
Zfhx4 C A 3: 5,390,405 A1153E probably benign Het
Zfp266 C A 9: 20,499,262 V540L possibly damaging Het
Zfp638 C A 6: 83,966,439 probably benign Het
Zfp644 A G 5: 106,637,244 M479T possibly damaging Het
Zfp951 G A 5: 104,815,277 T141I probably benign Het
Other mutations in Smc1a
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL01621:Smc1a APN X 152036129 missense probably damaging 1.00
IGL02385:Smc1a APN X 152037659 missense possibly damaging 0.67
R2421:Smc1a UTSW X 152047975 splice site probably benign
R2939:Smc1a UTSW X 152033699 missense probably damaging 1.00
R2940:Smc1a UTSW X 152033699 missense probably damaging 1.00
Predicted Primers PCR Primer

Sequencing Primer
Posted On 2014-11-12