Incidental Mutation 'R5967:C8b'
ID 470652
Institutional Source Beutler Lab
Gene Symbol C8b
Ensembl Gene ENSMUSG00000029656
Gene Name complement component 8, beta polypeptide
Synonyms 4930439B20Rik
MMRRC Submission 043248-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R5967 (G1)
Quality Score 225
Status Not validated
Chromosome 4
Chromosomal Location 104623514-104661745 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 104650530 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Glutamic Acid to Glycine at position 446 (E446G)
Ref Sequence ENSEMBL: ENSMUSP00000031663 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000031663] [ENSMUST00000065072]
AlphaFold Q8BH35
Predicted Effect possibly damaging
Transcript: ENSMUST00000031663
AA Change: E446G

PolyPhen 2 Score 0.792 (Sensitivity: 0.85; Specificity: 0.93)
SMART Domains Protein: ENSMUSP00000031663
Gene: ENSMUSG00000029656
AA Change: E446G

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: E380G

PolyPhen 2 Score 0.033 (Sensitivity: 0.95; Specificity: 0.82)
SMART Domains Protein: ENSMUSP00000066940
Gene: ENSMUSG00000029656
AA Change: E380G

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: 99.9%
  • 3x: 99.6%
  • 10x: 98.4%
  • 20x: 95.4%
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: 34 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Agl T A 3: 116,587,357 (GRCm39) D66V probably benign Het
Agrn G A 4: 156,259,560 (GRCm39) P792S probably damaging Het
Angptl2 A G 2: 33,118,718 (GRCm39) N164S probably damaging Het
Birc6 T C 17: 74,967,434 (GRCm39) F4112L probably damaging Het
Ceacam1 C T 7: 25,174,167 (GRCm39) V163I probably damaging Het
Cngb1 T C 8: 95,978,534 (GRCm39) K1068R probably damaging Het
Gna11 A G 10: 81,366,643 (GRCm39) Y356H probably benign Het
Gnl2 A G 4: 124,934,823 (GRCm39) M160V probably benign Het
Gpsm1 A G 2: 26,230,546 (GRCm39) probably null Het
Grep1 C A 17: 23,931,332 (GRCm39) G192W probably damaging Het
Gtf2h3 C T 5: 124,722,360 (GRCm39) T121I probably benign Het
Kif20a G T 18: 34,763,580 (GRCm39) R609L probably benign Het
Meis2 G A 2: 115,694,790 (GRCm39) T444I probably benign Het
Muc17 T A 5: 137,175,485 (GRCm39) I62L probably benign Het
Myorg G A 4: 41,497,830 (GRCm39) A600V probably benign Het
Ncor2 C T 5: 125,146,048 (GRCm39) D526N unknown Het
Nodal G T 10: 61,259,446 (GRCm39) E294D probably damaging Het
Nup214 T C 2: 31,869,790 (GRCm39) V161A possibly damaging Het
Or10a48 C T 7: 108,424,921 (GRCm39) G95D probably benign Het
Or5k1b G T 16: 58,580,725 (GRCm39) D271E probably damaging Het
Or5m11b G A 2: 85,806,535 (GRCm39) R316H probably benign Het
Pclo A T 5: 14,590,669 (GRCm39) T990S unknown Het
Piwil2 A T 14: 70,628,013 (GRCm39) M752K probably benign Het
Ppargc1b A G 18: 61,431,837 (GRCm39) S1004P probably damaging Het
Prkd1 A T 12: 50,411,333 (GRCm39) M805K probably damaging Het
Rad23a T C 8: 85,565,568 (GRCm39) E30G probably damaging Het
Ralbp1 A G 17: 66,171,274 (GRCm39) V233A probably benign Het
Scin C T 12: 40,127,537 (GRCm39) E418K probably benign Het
Scn7a T A 2: 66,506,057 (GRCm39) I1611F probably damaging Het
Slit2 A T 5: 48,142,506 (GRCm39) H42L probably damaging Het
Stard9 T A 2: 120,537,375 (GRCm39) V4259D probably damaging Het
Trhde T A 10: 114,403,039 (GRCm39) Y528F probably damaging Het
Txlnb A G 10: 17,675,168 (GRCm39) E107G probably damaging Het
Zfp715 T C 7: 42,948,572 (GRCm39) T463A probably benign 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
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
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'- TGTCTCCCAGAAAGGTTCACTAC -3'
(R):5'- GCCTGTGCTTTGATGAGCTC -3'

Sequencing Primer
(F):5'- CGAAGTATCTCAATGGTTTGTTTAGC -3'
(R):5'- GCTTTGATGAGCTCCATGC -3'
Posted On 2017-03-31