Incidental Mutation 'R1191:C8b'
ID 100785
Institutional Source Beutler Lab
Gene Symbol C8b
Ensembl Gene ENSMUSG00000029656
Gene Name complement component 8, beta polypeptide
Synonyms 4930439B20Rik
MMRRC Submission 039263-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R1191 (G1)
Quality Score 225
Status Not validated
Chromosome 4
Chromosomal Location 104623514-104661745 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) C to T at 104650520 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Proline to Serine at position 377 (P377S)
Ref Sequence ENSEMBL: ENSMUSP00000066940 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000031663] [ENSMUST00000065072]
AlphaFold Q8BH35
Predicted Effect possibly damaging
Transcript: ENSMUST00000031663
AA Change: P443S

PolyPhen 2 Score 0.461 (Sensitivity: 0.89; Specificity: 0.90)
SMART Domains Protein: ENSMUSP00000031663
Gene: ENSMUSG00000029656
AA Change: P443S

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 damaging
Transcript: ENSMUST00000065072
AA Change: P377S

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000066940
Gene: ENSMUSG00000029656
AA Change: P377S

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
Coding Region Coverage
  • 1x: 99.4%
  • 3x: 98.3%
  • 10x: 95.1%
  • 20x: 87.9%
Validation Efficiency
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: 38 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Ankrd27 T C 7: 35,301,912 (GRCm39) F144L probably damaging Het
Cfi C A 3: 129,662,176 (GRCm39) T385N probably benign Het
Col15a1 G T 4: 47,254,083 (GRCm39) G300* probably null Het
Crlf1 G A 8: 70,951,478 (GRCm39) C119Y probably damaging Het
Dcaf4 A T 12: 83,582,741 (GRCm39) S279C probably damaging Het
Gde1 A T 7: 118,304,664 (GRCm39) H70Q probably damaging Het
Gpt2 A T 8: 86,235,901 (GRCm39) N179I probably damaging Het
Grik5 G A 7: 24,757,750 (GRCm39) Q410* probably null Het
Hspa2 C T 12: 76,452,655 (GRCm39) R450W probably damaging Het
Idh3b A T 2: 130,123,810 (GRCm39) M118K probably benign Het
Ighv5-21 T C 12: 114,286,423 (GRCm39) probably benign Het
Il12rb2 C T 6: 67,275,200 (GRCm39) V642M possibly damaging Het
Iqcg A G 16: 32,870,313 (GRCm39) V60A probably benign Het
Irx6 T A 8: 93,403,580 (GRCm39) Y102N probably damaging Het
Itgb6 C T 2: 60,483,481 (GRCm39) probably null Het
Mmp27 A T 9: 7,579,067 (GRCm39) probably null Het
Or10d5j A T 9: 39,868,264 (GRCm39) M1K probably null Het
Or1j21 T A 2: 36,683,350 (GRCm39) M34K probably damaging Het
Or2f2 C A 6: 42,767,451 (GRCm39) H159Q probably benign Het
Or5k8 T A 16: 58,644,922 (GRCm39) Y50F probably benign Het
Or8c8 G T 9: 38,165,501 (GRCm39) V263F probably damaging Het
Pcdhb16 A G 18: 37,612,926 (GRCm39) R629G probably damaging Het
Pde3b A T 7: 114,118,810 (GRCm39) M650L probably benign Het
Rfwd3 C T 8: 112,014,874 (GRCm39) R326Q probably damaging Het
Skint3 T A 4: 112,092,939 (GRCm39) M1K probably null Het
Strn T C 17: 78,999,855 (GRCm39) Q127R possibly damaging Het
Taar2 T G 10: 23,816,927 (GRCm39) W156G probably damaging Het
Trpt1 G T 19: 6,974,138 (GRCm39) M45I probably benign Het
Ubap2l T C 3: 89,930,882 (GRCm39) T357A probably damaging Het
Ubr3 C T 2: 69,851,525 (GRCm39) R1831* probably null Het
Unc79 T A 12: 103,013,271 (GRCm39) Y287* probably null Het
Utrn T A 10: 12,509,777 (GRCm39) K2398N probably benign Het
Vav2 A T 2: 27,182,792 (GRCm39) probably null Het
Vps9d1 A T 8: 123,974,706 (GRCm39) H249Q possibly damaging Het
Vwf T A 6: 125,576,215 (GRCm39) C432S probably damaging Het
Zfp369 T A 13: 65,439,776 (GRCm39) Y153* probably null Het
Zfp760 C T 17: 21,942,286 (GRCm39) P487L probably damaging Het
Zswim2 A C 2: 83,754,039 (GRCm39) V207G possibly 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
R0568:C8b UTSW 4 104,650,577 (GRCm39) missense probably benign 0.39
R1015:C8b UTSW 4 104,644,157 (GRCm39) missense probably benign 0.19
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'- GGTCAGGAACATGTCTTGTTCTCCC -3'
(R):5'- AAGCATGGTAGGTGGTCCCCTTAG -3'

Sequencing Primer
(F):5'- TGTCTCCCAGAAAGGTTCAC -3'
(R):5'- CTTAGTAGCTTGGGGACCAAC -3'
Posted On 2014-01-15