Incidental Mutation 'R5355:C8b'
ID 424029
Institutional Source Beutler Lab
Gene Symbol C8b
Ensembl Gene ENSMUSG00000029656
Gene Name complement component 8, beta polypeptide
Synonyms 4930439B20Rik
MMRRC Submission 042934-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R5355 (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 104637860 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Threonine to Alanine at position 111 (T111A)
Ref Sequence ENSEMBL: ENSMUSP00000066940 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000031663] [ENSMUST00000065072]
AlphaFold Q8BH35
Predicted Effect probably benign
Transcript: ENSMUST00000031663
AA Change: T111A

PolyPhen 2 Score 0.012 (Sensitivity: 0.96; Specificity: 0.78)
SMART Domains Protein: ENSMUSP00000031663
Gene: ENSMUSG00000029656
AA Change: T111A

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: T111A

PolyPhen 2 Score 0.012 (Sensitivity: 0.96; Specificity: 0.78)
SMART Domains Protein: ENSMUSP00000066940
Gene: ENSMUSG00000029656
AA Change: T111A

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 0.1107 question?
Coding Region Coverage
  • 1x: 99.4%
  • 3x: 98.8%
  • 10x: 97.6%
  • 20x: 96.2%
Validation Efficiency 94% (50/53)
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: 51 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abcb1a T C 5: 8,776,873 (GRCm39) L857P probably damaging Het
Adam12 T C 7: 133,489,671 (GRCm39) *582W probably null Het
Adra1d A G 2: 131,403,007 (GRCm39) V361A probably damaging Het
Ank2 A G 3: 126,737,698 (GRCm39) probably benign Het
Atxn10 T A 15: 85,346,515 (GRCm39) N424K probably damaging Het
Ccdc168 A C 1: 44,097,139 (GRCm39) C1320G possibly damaging Het
Cdc45 C T 16: 18,614,647 (GRCm39) R205H probably damaging Het
Cdr2l T C 11: 115,284,396 (GRCm39) V244A possibly damaging Het
Col11a2 A G 17: 34,270,775 (GRCm39) M468V probably benign Het
Col4a2 G A 8: 11,495,984 (GRCm39) R1535H probably damaging Het
Cryab A T 9: 50,664,751 (GRCm39) S59C probably damaging Het
Cuzd1 G A 7: 130,917,853 (GRCm39) T249I probably damaging Het
Disp2 G A 2: 118,617,392 (GRCm39) V129M probably benign Het
Dlg2 G T 7: 91,099,011 (GRCm39) R31L probably benign Het
Dthd1 A C 5: 62,996,730 (GRCm39) L488F probably damaging Het
Dusp29 G A 14: 21,727,091 (GRCm39) R186W probably benign Het
Fat2 T G 11: 55,172,992 (GRCm39) I2574L probably damaging Het
Fchsd1 C T 18: 38,092,926 (GRCm39) probably benign Het
Fryl T C 5: 73,231,247 (GRCm39) D1610G probably damaging Het
Gm10330 T A 12: 23,830,131 (GRCm39) N17Y probably damaging Het
Gm4787 T A 12: 81,424,239 (GRCm39) R640* probably null Het
H2bc13 A T 13: 21,900,030 (GRCm39) I95N probably damaging Het
Ift88 T A 14: 57,675,699 (GRCm39) S71T probably benign Het
Isoc2b A G 7: 4,852,357 (GRCm39) probably benign Het
Itgb2 G T 10: 77,393,886 (GRCm39) R442L probably benign Het
Lama5 A T 2: 179,823,444 (GRCm39) N2658K possibly damaging Het
Lemd3 A T 10: 120,769,538 (GRCm39) I598K probably damaging Het
Lrp2 A T 2: 69,285,182 (GRCm39) C3825* probably null Het
Mep1a T C 17: 43,788,037 (GRCm39) D673G probably damaging Het
Met A G 6: 17,491,361 (GRCm39) Y41C probably damaging Het
Mfn2 A G 4: 147,979,035 (GRCm39) V99A probably damaging Het
Mmadhc A G 2: 50,181,436 (GRCm39) I78T probably benign Het
Mmp9 C A 2: 164,792,912 (GRCm39) P389T possibly damaging Het
Mvk T G 5: 114,590,499 (GRCm39) S7A probably damaging Het
Nlrp1a T A 11: 71,015,077 (GRCm39) T58S probably benign Het
Nlrp1c-ps C A 11: 71,148,839 (GRCm39) noncoding transcript Het
Nr1h3 A G 2: 91,022,253 (GRCm39) I125T possibly damaging Het
Or2a55-ps1 C T 6: 43,071,598 (GRCm39) noncoding transcript Het
Or8k39 A T 2: 86,563,680 (GRCm39) I92K probably damaging Het
Parn A G 16: 13,485,886 (GRCm39) I3T possibly damaging Het
Parp8 A G 13: 116,998,740 (GRCm39) probably null Het
Parva T C 7: 112,143,475 (GRCm39) probably null Het
Pwp2 A C 10: 78,011,378 (GRCm39) I672M possibly damaging Het
Sfswap C T 5: 129,616,810 (GRCm39) T418I probably benign Het
Slc6a3 A G 13: 73,709,078 (GRCm39) Y334C probably damaging Het
Slc7a13 C A 4: 19,839,267 (GRCm39) T290K probably benign Het
Spry2 A G 14: 106,130,712 (GRCm39) L158P probably damaging Het
Usp25 A G 16: 76,847,342 (GRCm39) E150G probably damaging Het
Zfp747 A G 7: 126,973,769 (GRCm39) F134L possibly damaging Het
Zp3r A G 1: 130,524,518 (GRCm39) F175S probably benign Het
Zscan22 C A 7: 12,640,435 (GRCm39) N67K 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
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'- TCAGCCAACTGTATGCCTTC -3'
(R):5'- GGTTTGTGGTAAGGAATCCTCC -3'

Sequencing Primer
(F):5'- CAGCATCCACAGCTTGGTTTGG -3'
(R):5'- GGAATCCTCCTGACCTGTCCTG -3'
Posted On 2016-08-04