Incidental Mutation 'R4541:Cd8a'
ID 333529
Institutional Source Beutler Lab
Gene Symbol Cd8a
Ensembl Gene ENSMUSG00000053977
Gene Name CD8 subunit alpha
Synonyms Lyt-2, Ly-B, Ly-35, Ly-2
MMRRC Submission 041777-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.089) question?
Stock # R4541 (G1)
Quality Score 225
Status Validated
Chromosome 6
Chromosomal Location 71350411-71356155 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to T at 71350856 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Aspartic acid to Valine at position 107 (D107V)
Ref Sequence ENSEMBL: ENSMUSP00000131873 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000066747] [ENSMUST00000172321]
AlphaFold P01731
Predicted Effect probably benign
Transcript: ENSMUST00000066747
AA Change: D107V

PolyPhen 2 Score 0.022 (Sensitivity: 0.95; Specificity: 0.81)
SMART Domains Protein: ENSMUSP00000068123
Gene: ENSMUSG00000053977
AA Change: D107V

DomainStartEndE-ValueType
low complexity region 9 26 N/A INTRINSIC
IG 38 148 1.46e-5 SMART
transmembrane domain 195 217 N/A INTRINSIC
Predicted Effect probably benign
Transcript: ENSMUST00000172321
AA Change: D107V

PolyPhen 2 Score 0.022 (Sensitivity: 0.95; Specificity: 0.81)
SMART Domains Protein: ENSMUSP00000131873
Gene: ENSMUSG00000053977
AA Change: D107V

DomainStartEndE-ValueType
low complexity region 9 26 N/A INTRINSIC
IG 38 148 1.46e-5 SMART
transmembrane domain 195 217 N/A INTRINSIC
Predicted Effect noncoding transcript
Transcript: ENSMUST00000205022
Predicted Effect noncoding transcript
Transcript: ENSMUST00000205054
Meta Mutation Damage Score 0.8322 question?
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.5%
  • 10x: 97.0%
  • 20x: 94.5%
Validation Efficiency 96% (51/53)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] The CD8 antigen is a cell surface glycoprotein found on most cytotoxic T lymphocytes that mediates efficient cell-cell interactions within the immune system. The CD8 antigen acts as a coreceptor with the T-cell receptor on the T lymphocyte to recognize antigens displayed by an antigen presenting cell in the context of class I MHC molecules. The coreceptor functions as either a homodimer composed of two alpha chains or as a heterodimer composed of one alpha and one beta chain. Both alpha and beta chains share significant homology to immunoglobulin variable light chains. This gene encodes the CD8 alpha chain. Multiple transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Nov 2011]
PHENOTYPE: Animals homozygous for a mutation in this gene lack CD8+CD4- cytotoxic T cells in the thymus and spleen and do not mount a cytotoxic response to alloantigens. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 44 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
2810021J22Rik C T 11: 58,769,676 (GRCm39) P73S probably benign Het
4930533L02Rik G A 7: 124,917,750 (GRCm39) noncoding transcript Het
Acot4 A T 12: 84,090,022 (GRCm39) I240F probably benign Het
B4galt6 A G 18: 20,878,496 (GRCm39) V10A probably benign Het
Bag4 C T 8: 26,259,516 (GRCm39) A228T probably benign Het
Ccnb3 T C X: 6,875,308 (GRCm39) T424A probably benign Het
Cdca7l T C 12: 117,836,098 (GRCm39) S190P probably damaging Het
Ceacam12 G A 7: 17,805,648 (GRCm39) M278I probably benign Het
Cfap43 C T 19: 47,736,454 (GRCm39) V1346I probably benign Het
Clic5 C T 17: 44,552,956 (GRCm39) T70M probably damaging Het
Dbpht2 A T 12: 74,345,934 (GRCm39) noncoding transcript Het
Ddhd1 G A 14: 45,860,313 (GRCm39) R140* probably null Het
Evpl T G 11: 116,123,470 (GRCm39) I301L probably benign Het
Glul T A 1: 153,778,782 (GRCm39) Y30* probably null Het
Itgad A T 7: 127,797,287 (GRCm39) H878L probably benign Het
Kcnk10 A G 12: 98,402,536 (GRCm39) I301T probably damaging Het
Klhl14 A T 18: 21,687,696 (GRCm39) Y575* probably null Het
Mrps2 G T 2: 28,358,412 (GRCm39) probably benign Het
Mymx GCC GC 17: 45,912,519 (GRCm39) probably null Het
Napb G A 2: 148,551,229 (GRCm39) probably benign Het
Nlrp1c-ps A G 11: 71,171,706 (GRCm39) noncoding transcript Het
Or10g9b A C 9: 39,917,589 (GRCm39) S219A possibly damaging Het
Or4f15 A G 2: 111,813,981 (GRCm39) I146T probably benign Het
Piwil4 C A 9: 14,629,612 (GRCm39) M438I probably damaging Het
Pla2r1 C T 2: 60,258,082 (GRCm39) D1199N probably damaging Het
Pmpca T G 2: 26,280,201 (GRCm39) probably benign Het
Prkcq G T 2: 11,288,623 (GRCm39) M525I possibly damaging Het
Rnf225 T C 7: 12,662,520 (GRCm39) probably null Het
Sco1 G T 11: 66,943,668 (GRCm39) A50S probably benign Het
Slc12a2 T A 18: 58,046,037 (GRCm39) probably null Het
Slc36a1 T C 11: 55,112,849 (GRCm39) V148A probably benign Het
Sost G A 11: 101,857,670 (GRCm39) P44S probably damaging Het
Tbc1d10c G T 19: 4,239,473 (GRCm39) R96S probably damaging Het
Tbc1d2b A T 9: 90,087,222 (GRCm39) I919N probably damaging Het
Tcea1 T C 1: 4,963,659 (GRCm39) L233P probably damaging Het
Tlcd4 A G 3: 121,028,884 (GRCm39) M1T probably null Het
Tmem231 T C 8: 112,641,224 (GRCm39) T223A probably benign Het
Tns2 C T 15: 102,017,369 (GRCm39) R281C probably damaging Het
Tomm34 A G 2: 163,896,719 (GRCm39) Y243H probably benign Het
Tubgcp4 A T 2: 121,025,907 (GRCm39) N584I probably benign Het
Vldlr T C 19: 27,216,192 (GRCm39) C7R probably damaging Het
Vmn1r42 A T 6: 89,822,533 (GRCm39) M12K probably benign Het
Vsig10 C T 5: 117,490,881 (GRCm39) probably benign Het
Zfp974 C G 7: 27,625,829 (GRCm39) V14L probably damaging Het
Other mutations in Cd8a
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00737:Cd8a APN 6 71,350,691 (GRCm39) missense probably benign 0.04
IGL02342:Cd8a APN 6 71,350,723 (GRCm39) missense probably damaging 1.00
Alfalfa UTSW 6 71,350,712 (GRCm39) missense probably damaging 0.99
Sprouts UTSW 6 71,350,913 (GRCm39) missense probably damaging 0.97
wenzhou UTSW 6 71,350,856 (GRCm39) missense probably benign 0.02
PIT4618001:Cd8a UTSW 6 71,350,661 (GRCm39) missense possibly damaging 0.94
R0212:Cd8a UTSW 6 71,350,633 (GRCm39) missense probably benign 0.01
R1158:Cd8a UTSW 6 71,350,712 (GRCm39) missense probably damaging 0.99
R1813:Cd8a UTSW 6 71,350,947 (GRCm39) missense possibly damaging 0.47
R5836:Cd8a UTSW 6 71,350,775 (GRCm39) missense possibly damaging 0.48
R6390:Cd8a UTSW 6 71,350,913 (GRCm39) missense probably damaging 0.97
R6889:Cd8a UTSW 6 71,351,546 (GRCm39) missense probably damaging 1.00
R7773:Cd8a UTSW 6 71,350,799 (GRCm39) missense probably benign 0.01
Z1088:Cd8a UTSW 6 71,350,670 (GRCm39) missense possibly damaging 0.85
Z1177:Cd8a UTSW 6 71,351,577 (GRCm39) missense possibly damaging 0.92
Predicted Primers PCR Primer
(F):5'- AAAATGGACGCCGAACTTGG -3'
(R):5'- GAGGGAATCTGCGTGAAACTTG -3'

Sequencing Primer
(F):5'- CGCCGAACTTGGTCAGAAG -3'
(R):5'- GAAACTTGTTCAGATGTGACCCC -3'
Posted On 2015-08-18