Incidental Mutation 'R4674:Ssb'
ID 500718
Institutional Source Beutler Lab
Gene Symbol Ssb
Ensembl Gene ENSMUSG00000068882
Gene Name small RNA binding exonuclease protection factor La
Synonyms SS-B, Sjogren syndrome antigen B, La protein, autoantigen La
MMRRC Submission 041929-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R4674 (G1)
Quality Score 225
Status Not validated
Chromosome 2
Chromosomal Location 69691906-69702190 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 69699194 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Glutamine to Arginine at position 209 (Q209R)
Ref Sequence ENSEMBL: ENSMUSP00000130313 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000060447] [ENSMUST00000090852] [ENSMUST00000112260] [ENSMUST00000132186] [ENSMUST00000142127] [ENSMUST00000166411]
AlphaFold P32067
Predicted Effect probably benign
Transcript: ENSMUST00000060447
SMART Domains Protein: ENSMUSP00000050907
Gene: ENSMUSG00000051730

DomainStartEndE-ValueType
low complexity region 2 10 N/A INTRINSIC
Pfam:Cons_hypoth95 21 184 1.8e-12 PFAM
Pfam:UPF0020 25 170 3.8e-8 PFAM
Pfam:PrmA 35 127 8.4e-14 PFAM
Pfam:MTS 36 174 2.2e-16 PFAM
Pfam:Methyltransf_31 49 199 4e-15 PFAM
Pfam:Methyltransf_18 51 171 8.1e-11 PFAM
Pfam:Methyltransf_15 52 179 1.1e-9 PFAM
Pfam:Methyltransf_26 52 182 3.9e-8 PFAM
Pfam:Methyltransf_25 55 171 5.2e-8 PFAM
Pfam:Methyltransf_11 56 131 8e-6 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000090852
AA Change: Q209R

PolyPhen 2 Score 0.007 (Sensitivity: 0.96; Specificity: 0.75)
SMART Domains Protein: ENSMUSP00000088365
Gene: ENSMUSG00000068882
AA Change: Q209R

DomainStartEndE-ValueType
LA 11 92 2.19e-42 SMART
RRM 112 183 1.6e-4 SMART
Pfam:RRM_3 230 333 2.2e-32 PFAM
low complexity region 375 386 N/A INTRINSIC
Predicted Effect probably benign
Transcript: ENSMUST00000112260
SMART Domains Protein: ENSMUSP00000107879
Gene: ENSMUSG00000068882

DomainStartEndE-ValueType
LA 11 92 2.19e-42 SMART
RRM 112 183 1.6e-4 SMART
Predicted Effect probably benign
Transcript: ENSMUST00000132186
SMART Domains Protein: ENSMUSP00000119773
Gene: ENSMUSG00000068882

DomainStartEndE-ValueType
LA 11 92 2.19e-42 SMART
Pfam:RRM_1 113 154 2.6e-6 PFAM
Predicted Effect unknown
Transcript: ENSMUST00000132603
AA Change: Q24R
SMART Domains Protein: ENSMUSP00000115666
Gene: ENSMUSG00000068882
AA Change: Q24R

DomainStartEndE-ValueType
Pfam:RRM_3 46 149 2.5e-33 PFAM
low complexity region 190 201 N/A INTRINSIC
Predicted Effect noncoding transcript
Transcript: ENSMUST00000135459
Predicted Effect probably benign
Transcript: ENSMUST00000142127
SMART Domains Protein: ENSMUSP00000121474
Gene: ENSMUSG00000051730

DomainStartEndE-ValueType
low complexity region 2 10 N/A INTRINSIC
Pfam:Cons_hypoth95 21 141 8.7e-12 PFAM
Pfam:UPF0020 24 141 1.4e-11 PFAM
Pfam:Methyltransf_16 31 126 5e-7 PFAM
Pfam:PrmA 34 127 4e-15 PFAM
Pfam:MTS 35 141 1.4e-17 PFAM
Pfam:Methyltransf_31 49 142 5.2e-15 PFAM
Pfam:Methyltransf_18 51 141 1.4e-11 PFAM
Pfam:Methyltransf_15 52 140 4.5e-9 PFAM
Pfam:Methyltransf_26 52 140 1.3e-14 PFAM
Pfam:Methyltransf_25 55 142 4.7e-8 PFAM
Pfam:Methyltransf_11 56 134 3.8e-6 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000166411
AA Change: Q209R

PolyPhen 2 Score 0.007 (Sensitivity: 0.96; Specificity: 0.75)
SMART Domains Protein: ENSMUSP00000130313
Gene: ENSMUSG00000068882
AA Change: Q209R

DomainStartEndE-ValueType
LA 11 92 2.19e-42 SMART
RRM 112 183 1.6e-4 SMART
Pfam:RRM_3 230 333 1.9e-35 PFAM
low complexity region 375 386 N/A INTRINSIC
Predicted Effect noncoding transcript
Transcript: ENSMUST00000156057
Predicted Effect noncoding transcript
Transcript: ENSMUST00000149283
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.5%
  • 10x: 97.0%
  • 20x: 94.6%
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 is involved in diverse aspects of RNA metabolism, including binding and protecting poly(U) termini of nascent RNA polymerase III transcripts from exonuclease digestion, processing 5' and 3' ends of pre-tRNA precursors, acting as an RNA chaperone, and binding viral RNAs associated with hepatitis C virus. Autoantibodies reacting with this protein are found in the sera of patients with Sjogren syndrome and systemic lupus erythematosus. Alternative promoter usage results in two different transcript variants which encode the same protein. [provided by RefSeq, Jun 2014]
PHENOTYPE: Mice homozygous for disruptions in this gene die as embryos, possible before implantation. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 84 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abcb1b T C 5: 8,860,615 (GRCm39) I112T probably benign Het
Acvr1b T C 15: 101,100,939 (GRCm39) I367T possibly damaging Het
Akr1b8 G A 6: 34,333,359 (GRCm39) probably null Het
Ash1l T C 3: 88,979,783 (GRCm39) V2769A possibly damaging Het
Asxl3 A T 18: 22,650,795 (GRCm39) D928V probably damaging Het
Atp1a4 A T 1: 172,085,223 (GRCm39) V66E possibly damaging Het
Cald1 AAGAGAGAGAGAGAG AAGAGAGAGAGAG 6: 34,723,108 (GRCm39) probably null Het
Cbx2 T A 11: 118,919,935 (GRCm39) I500N probably damaging Het
Ccdc82 A T 9: 13,252,260 (GRCm39) H184L probably benign Het
Cd84 A T 1: 171,700,887 (GRCm39) H216L possibly damaging Het
Ceacam15 T C 7: 16,407,410 (GRCm39) T36A probably benign Het
Cebpd A G 16: 15,705,385 (GRCm39) D66G probably damaging Het
Clec1b C A 6: 129,377,097 (GRCm39) L47I probably damaging Het
Cracr2b A G 7: 141,043,451 (GRCm39) D43G probably damaging Het
Crbn T A 6: 106,767,932 (GRCm39) Q173L possibly damaging Het
Cspg4 T C 9: 56,805,489 (GRCm39) V2100A probably damaging Het
Cyp46a1 T C 12: 108,324,345 (GRCm39) L374P probably damaging Het
Dhx16 T A 17: 36,196,831 (GRCm39) V607E probably damaging Het
Dido1 A G 2: 180,329,352 (GRCm39) S357P probably damaging Het
Dnah6 T A 6: 73,169,405 (GRCm39) I399F probably benign Het
Dock10 T C 1: 80,584,337 (GRCm39) E123G possibly damaging Het
Dstyk A G 1: 132,391,128 (GRCm39) D843G probably benign Het
Efcab12 C A 6: 115,800,610 (GRCm39) V138F probably damaging Het
Egf A G 3: 129,511,689 (GRCm39) F493L probably damaging Het
Ephx1 A G 1: 180,822,256 (GRCm39) F220S probably damaging Het
Exoc6 T C 19: 37,597,530 (GRCm39) F644L probably damaging Het
F13b A G 1: 139,429,542 (GRCm39) Y20C unknown Het
Fam184b T A 5: 45,740,230 (GRCm39) K319* probably null Het
Flrt2 T A 12: 95,747,462 (GRCm39) L600* probably null Het
Gbgt1 T C 2: 28,388,453 (GRCm39) F46S possibly damaging Het
Gli2 T C 1: 118,763,759 (GRCm39) E1464G probably damaging Het
Hdac9 A G 12: 34,423,959 (GRCm39) V501A possibly damaging Het
Heca T C 10: 17,791,057 (GRCm39) H333R probably benign Het
Hirip3 G A 7: 126,463,834 (GRCm39) probably null Het
Igsf8 G A 1: 172,146,479 (GRCm39) W51* probably null Het
Kif21a C A 15: 90,824,748 (GRCm39) R1342L possibly damaging Het
Krt73 T C 15: 101,710,510 (GRCm39) N75D probably benign Het
Macf1 T A 4: 123,366,190 (GRCm39) Y1292F probably benign Het
Macroh2a1 A C 13: 56,230,997 (GRCm39) C297G possibly damaging Het
Mapk14 A G 17: 28,963,996 (GRCm39) probably null Het
Mgat5 T A 1: 127,318,495 (GRCm39) V330D probably damaging Het
Mrc2 G A 11: 105,239,257 (GRCm39) probably null Het
Naip1 A T 13: 100,580,682 (GRCm39) F188L probably damaging Het
Ncoa3 T C 2: 165,901,731 (GRCm39) S1035P probably benign Het
Ndn T A 7: 61,998,570 (GRCm39) W139R probably damaging Het
Nes T C 3: 87,879,102 (GRCm39) V198A possibly damaging Het
Or4c107 G T 2: 88,789,216 (GRCm39) M135I probably damaging Het
Or4c35 A G 2: 89,808,250 (GRCm39) I43V possibly damaging Het
Or51ab3 T G 7: 103,201,183 (GRCm39) L64V probably damaging Het
Or52p1 T A 7: 104,267,631 (GRCm39) C248* probably null Het
Or5b111 T A 19: 13,291,178 (GRCm39) H157L probably benign Het
Or5p72 T C 7: 108,022,309 (GRCm39) V177A possibly damaging Het
Pcf11 G A 7: 92,308,985 (GRCm39) probably benign Het
Pde1a TCC TC 2: 79,728,525 (GRCm39) probably benign Het
Pipox T G 11: 77,784,596 (GRCm39) Q4P probably benign Het
Pla2g4c C T 7: 13,077,439 (GRCm39) T327I probably null Het
Plppr1 C T 4: 49,323,384 (GRCm39) R225W probably damaging Het
Pnpla6 T A 8: 3,571,412 (GRCm39) V145D probably damaging Het
Pnpla7 T C 2: 24,942,329 (GRCm39) Y83H probably damaging Het
Rif1 T A 2: 51,996,954 (GRCm39) L970Q probably null Het
Rimklb C A 6: 122,433,242 (GRCm39) E303* probably null Het
Rpl13a A T 7: 44,776,242 (GRCm39) probably benign Het
Rttn T A 18: 89,029,135 (GRCm39) probably null Het
Sf3b3 G A 8: 111,571,137 (GRCm39) R10W probably damaging Het
Skint4 G A 4: 111,975,430 (GRCm39) C130Y probably damaging Het
Snap91 A G 9: 86,674,070 (GRCm39) S593P possibly damaging Het
Stap1 A T 5: 86,229,044 (GRCm39) I71L probably benign Het
Syna C A 5: 134,587,209 (GRCm39) R580L probably damaging Het
Tacc2 T A 7: 130,226,591 (GRCm39) M1111K possibly damaging Het
Tanc2 T C 11: 105,758,306 (GRCm39) L689P probably damaging Het
Tasor2 T C 13: 3,623,686 (GRCm39) E1406G possibly damaging Het
Tcstv7b T C 13: 120,702,362 (GRCm39) W53R probably damaging Het
Tdrd5 A C 1: 156,105,005 (GRCm39) C463W probably damaging Het
Tet1 A G 10: 62,674,627 (GRCm39) F1150L probably damaging Het
Tia1 T A 6: 86,397,382 (GRCm39) F118L probably damaging Het
Trav3-1 A T 14: 52,818,460 (GRCm39) T45S possibly damaging Het
Uaca A T 9: 60,761,711 (GRCm39) Y235F possibly damaging Het
Ube4b T C 4: 149,415,827 (GRCm39) N44S possibly damaging Het
Vmn2r93 T A 17: 18,525,255 (GRCm39) H304Q probably benign Het
Wdr18 A G 10: 79,801,069 (GRCm39) I161V probably benign Het
Zfp112 A G 7: 23,826,399 (GRCm39) H789R probably damaging Het
Zfp873 A G 10: 81,895,814 (GRCm39) T182A possibly damaging Het
Zscan2 T A 7: 80,525,150 (GRCm39) S290R probably damaging Het
Zup1 A T 10: 33,824,980 (GRCm39) D167E possibly damaging Het
Other mutations in Ssb
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00895:Ssb APN 2 69,696,606 (GRCm39) missense probably benign 0.06
IGL00940:Ssb APN 2 69,701,179 (GRCm39) critical splice donor site probably null
IGL00941:Ssb APN 2 69,701,179 (GRCm39) critical splice donor site probably null
IGL01834:Ssb APN 2 69,701,147 (GRCm39) missense possibly damaging 0.89
R0713:Ssb UTSW 2 69,697,703 (GRCm39) missense probably benign 0.06
R0716:Ssb UTSW 2 69,697,703 (GRCm39) missense probably benign 0.06
R0751:Ssb UTSW 2 69,700,909 (GRCm39) missense probably benign
R1139:Ssb UTSW 2 69,696,920 (GRCm39) missense possibly damaging 0.66
R1928:Ssb UTSW 2 69,697,901 (GRCm39) splice site probably null
R2037:Ssb UTSW 2 69,699,163 (GRCm39) missense probably benign 0.16
R3968:Ssb UTSW 2 69,697,793 (GRCm39) splice site probably benign
R5039:Ssb UTSW 2 69,696,581 (GRCm39) missense possibly damaging 0.79
R5551:Ssb UTSW 2 69,701,474 (GRCm39) missense probably damaging 0.99
R6102:Ssb UTSW 2 69,701,552 (GRCm39) makesense probably null
R7126:Ssb UTSW 2 69,696,845 (GRCm39) missense possibly damaging 0.70
R7448:Ssb UTSW 2 69,693,624 (GRCm39) missense probably benign
R7590:Ssb UTSW 2 69,697,634 (GRCm39) missense probably benign 0.08
R9499:Ssb UTSW 2 69,696,982 (GRCm39) missense probably benign
R9551:Ssb UTSW 2 69,696,982 (GRCm39) missense probably benign
R9652:Ssb UTSW 2 69,700,784 (GRCm39) missense probably damaging 1.00
R9753:Ssb UTSW 2 69,697,865 (GRCm39) missense probably damaging 1.00
Predicted Primers PCR Primer
(F):5'- GTCTCAGGTACCATGCATGC -3'
(R):5'- CAGCAAAATGGTTGATCAAGGTATC -3'

Sequencing Primer
(F):5'- GCAGTGGTGGCACATACCTTTAATC -3'
(R):5'- GGTATCTTGAGGCCAACATTTC -3'
Posted On 2017-12-01