Incidental Mutation 'R0568:C8b'
ID 46253
Institutional Source Beutler Lab
Gene Symbol C8b
Ensembl Gene ENSMUSG00000029656
Gene Name complement component 8, beta polypeptide
Synonyms 4930439B20Rik
MMRRC Submission 038759-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R0568 (G1)
Quality Score 225
Status Validated
Chromosome 4
Chromosomal Location 104623514-104661745 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 104650577 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Isoleucine to Valine at position 462 (I462V)
Ref Sequence ENSEMBL: ENSMUSP00000031663 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000031663] [ENSMUST00000065072]
AlphaFold Q8BH35
Predicted Effect probably benign
Transcript: ENSMUST00000031663
AA Change: I462V

PolyPhen 2 Score 0.394 (Sensitivity: 0.90; Specificity: 0.89)
SMART Domains Protein: ENSMUSP00000031663
Gene: ENSMUSG00000029656
AA Change: I462V

DomainStartEndE-ValueType
signal peptide 1 31 N/A INTRINSIC
TSP1 66 116 3.17e-7 SMART
LDLa 120 156 1.78e-10 SMART
MACPF 290 497 3.6e-65 SMART
Blast:EGF 501 534 9e-12 BLAST
TSP1 547 584 1.17e-1 SMART
Predicted Effect probably benign
Transcript: ENSMUST00000065072
AA Change: I396V

PolyPhen 2 Score 0.042 (Sensitivity: 0.94; Specificity: 0.83)
SMART Domains Protein: ENSMUSP00000066940
Gene: ENSMUSG00000029656
AA Change: I396V

DomainStartEndE-ValueType
signal peptide 1 31 N/A INTRINSIC
TSP1 66 116 3.17e-7 SMART
LDLa 120 156 1.78e-10 SMART
MACPF 224 431 3.6e-65 SMART
Blast:EGF 435 468 1e-11 BLAST
TSP1 481 518 1.17e-1 SMART
Meta Mutation Damage Score 0.3535 question?
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.4%
  • 10x: 96.5%
  • 20x: 93.4%
Validation Efficiency 100% (38/38)
MGI Phenotype FUNCTION: This gene encodes the beta subunit of complement component C8 that participates in the assembly of the complement membrane attack complex. The encoded preproprotein undergoes proteolytic processing to generate the beta subunit, which associates with the alpha and gamma subunits to form a trimeric complement component, C8. Alternative splicing results in multiple transcript variants encoding different isoforms that may undergo similar proteolytic processing. This gene is located adjacent to the gene encoding the alpha subunit. [provided by RefSeq, Oct 2015]
PHENOTYPE: In a controlled microbial environment ("clean") laboratory, mice homozygous for an inactivating mutation of this gene are viable and fertile and exhibit no apparent abonormal phenotype. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 37 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Acnat1 G A 4: 49,451,003 (GRCm39) T36I possibly damaging Het
Adamts20 T C 15: 94,189,594 (GRCm39) probably benign Het
Adamtsl1 T C 4: 86,336,789 (GRCm39) L1558S probably damaging Het
Ap3b2 A G 7: 81,114,377 (GRCm39) probably null Het
Bag2 T C 1: 33,786,059 (GRCm39) M88V probably benign Het
Brms1l A G 12: 55,908,173 (GRCm39) probably null Het
Cfap410 C T 10: 77,818,872 (GRCm39) T181I possibly damaging Het
Cfap410 A T 10: 77,820,381 (GRCm39) *250C probably null Het
Cnpy4 A G 5: 138,190,839 (GRCm39) E167G probably damaging Het
Copa T C 1: 171,939,704 (GRCm39) V624A possibly damaging Het
Gm4553 G T 7: 141,719,357 (GRCm39) P24T unknown Het
Gna12 A G 5: 140,746,638 (GRCm39) V269A possibly damaging Het
Gtf2ird2 G T 5: 134,240,083 (GRCm39) E302* probably null Het
Hmcn2 C A 2: 31,305,248 (GRCm39) S3140R probably benign Het
Hspa4 A G 11: 53,153,703 (GRCm39) probably benign Het
Hspbp1 A T 7: 4,687,431 (GRCm39) L60* probably null Het
Lats1 A T 10: 7,588,292 (GRCm39) I970F possibly damaging Het
Lipo3 T C 19: 33,559,442 (GRCm39) probably benign Het
Lrrc3 T A 10: 77,737,419 (GRCm39) R6W probably damaging Het
Lxn C T 3: 67,368,335 (GRCm39) A143T probably damaging Het
Mga T C 2: 119,765,903 (GRCm39) I1390T probably damaging Het
Ncapg2 T A 12: 116,386,835 (GRCm39) I286N probably damaging Het
Or4c107 T A 2: 88,789,387 (GRCm39) Y192* probably null Het
Pitpnm2 A G 5: 124,278,580 (GRCm39) probably benign Het
Plxna2 T C 1: 194,433,694 (GRCm39) V581A probably benign Het
Polr3d A T 14: 70,676,959 (GRCm39) H378Q possibly damaging Het
Ptpn13 T C 5: 103,637,631 (GRCm39) V173A probably damaging Het
Rbpms2 ACTGCTGCTGCTGCTGC ACTGCTGCTGCTGCTGCTGC 9: 65,558,948 (GRCm39) probably benign Het
Smc4 T C 3: 68,929,794 (GRCm39) probably null Het
Snrnp40 C G 4: 130,271,836 (GRCm39) probably null Het
Syngr3 C T 17: 24,905,555 (GRCm39) A140T probably benign Het
Tent2 A G 13: 93,291,500 (GRCm39) S381P probably benign Het
Tprn T C 2: 25,154,333 (GRCm39) V545A probably damaging Het
Trim66 T C 7: 109,059,902 (GRCm39) H828R probably benign Het
Ugt2b5 G A 5: 87,285,224 (GRCm39) probably benign Het
Vps9d1 A G 8: 123,973,487 (GRCm39) V432A probably damaging Het
Zswim9 A T 7: 12,994,952 (GRCm39) D401E probably damaging Het
Other mutations in C8b
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00659:C8b APN 4 104,658,531 (GRCm39) splice site probably benign
IGL01145:C8b APN 4 104,637,777 (GRCm39) missense probably benign 0.25
IGL01768:C8b APN 4 104,644,151 (GRCm39) missense probably benign 0.00
IGL02347:C8b APN 4 104,644,151 (GRCm39) missense probably benign 0.00
IGL02488:C8b APN 4 104,661,278 (GRCm39) missense probably benign
IGL02957:C8b APN 4 104,623,652 (GRCm39) missense probably benign
IGL02979:C8b APN 4 104,631,585 (GRCm39) missense probably damaging 0.99
IGL02995:C8b APN 4 104,658,525 (GRCm39) splice site probably benign
IGL03294:C8b APN 4 104,637,888 (GRCm39) missense probably benign 0.06
R1015:C8b UTSW 4 104,644,157 (GRCm39) missense probably benign 0.19
R1191:C8b UTSW 4 104,650,520 (GRCm39) missense probably damaging 1.00
R1401:C8b UTSW 4 104,641,679 (GRCm39) missense possibly damaging 0.72
R3824:C8b UTSW 4 104,640,206 (GRCm39) missense probably benign 0.42
R4611:C8b UTSW 4 104,647,841 (GRCm39) missense probably damaging 0.98
R4756:C8b UTSW 4 104,644,083 (GRCm39) missense probably benign
R4845:C8b UTSW 4 104,649,009 (GRCm39) missense possibly damaging 0.87
R5355:C8b UTSW 4 104,637,860 (GRCm39) missense probably benign 0.01
R5436:C8b UTSW 4 104,657,546 (GRCm39) nonsense probably null
R5561:C8b UTSW 4 104,641,645 (GRCm39) missense possibly damaging 0.89
R5967:C8b UTSW 4 104,650,530 (GRCm39) missense possibly damaging 0.79
R6744:C8b UTSW 4 104,631,543 (GRCm39) missense probably damaging 1.00
R6899:C8b UTSW 4 104,644,071 (GRCm39) missense probably benign 0.02
R6977:C8b UTSW 4 104,644,193 (GRCm39) missense possibly damaging 0.82
R7088:C8b UTSW 4 104,650,540 (GRCm39) missense probably benign 0.12
R7224:C8b UTSW 4 104,637,795 (GRCm39) missense probably damaging 1.00
R7278:C8b UTSW 4 104,637,824 (GRCm39) missense probably damaging 1.00
R8058:C8b UTSW 4 104,647,811 (GRCm39) missense probably damaging 0.96
R8437:C8b UTSW 4 104,644,040 (GRCm39) missense probably damaging 1.00
R8821:C8b UTSW 4 104,647,874 (GRCm39) missense probably damaging 1.00
R8831:C8b UTSW 4 104,647,874 (GRCm39) missense probably damaging 1.00
R9139:C8b UTSW 4 104,641,631 (GRCm39) missense probably damaging 1.00
R9237:C8b UTSW 4 104,650,481 (GRCm39) missense probably benign 0.00
R9294:C8b UTSW 4 104,644,192 (GRCm39) missense probably benign 0.04
R9789:C8b UTSW 4 104,640,191 (GRCm39) missense probably benign 0.00
Predicted Primers PCR Primer
(F):5'- ATAGACCCTTTGGTTCCATGCCGC -3'
(R):5'- TGAACTCAGCAGGTGCTCCAAAC -3'

Sequencing Primer
(F):5'- GGTTCCATGCCGCTCTTTC -3'
(R):5'- CTTAGTAGCTTGGGGACCAAC -3'
Posted On 2013-06-11