Incidental Mutation 'R6977:C8b'
ID 542497
Institutional Source Beutler Lab
Gene Symbol C8b
Ensembl Gene ENSMUSG00000029656
Gene Name complement component 8, beta polypeptide
Synonyms 4930439B20Rik
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R6977 (G1)
Quality Score 225.009
Status Not validated
Chromosome 4
Chromosomal Location 104623514-104661745 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 104644193 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Threonine to Alanine at position 287 (T287A)
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: T287A

PolyPhen 2 Score 0.819 (Sensitivity: 0.84; Specificity: 0.93)
SMART Domains Protein: ENSMUSP00000031663
Gene: ENSMUSG00000029656
AA Change: T287A

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
SMART Domains Protein: ENSMUSP00000066940
Gene: ENSMUSG00000029656

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: 100.0%
  • 3x: 99.9%
  • 10x: 99.6%
  • 20x: 98.7%
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: 54 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
4921517D22Rik G A 13: 59,839,394 (GRCm39) S17L possibly damaging Het
Acap2 G T 16: 30,936,079 (GRCm39) T336K probably damaging Het
Angptl7 A T 4: 148,581,850 (GRCm39) W179R probably damaging Het
Atp9b A G 18: 80,796,317 (GRCm39) F909L probably damaging Het
BC051665 A T 13: 60,932,486 (GRCm39) Y66* probably null Het
Camk2a G A 18: 61,093,076 (GRCm39) G301E probably damaging Het
Ccdc186 A G 19: 56,787,219 (GRCm39) M583T probably benign Het
Cd55b T A 1: 130,347,528 (GRCm39) K94N probably damaging Het
Celsr3 T C 9: 108,704,914 (GRCm39) S466P probably benign Het
Cep152 A G 2: 125,410,742 (GRCm39) probably null Het
Cep70 A G 9: 99,173,729 (GRCm39) D420G probably damaging Het
Cnih4 T C 1: 180,989,713 (GRCm39) S48P possibly damaging Het
Cpne8 T C 15: 90,381,294 (GRCm39) K507E probably benign Het
Cyp2b23 T C 7: 26,380,745 (GRCm39) Y160C possibly damaging Het
Dnah9 C A 11: 65,998,735 (GRCm39) M1104I probably benign Het
Fam135a T A 1: 24,093,179 (GRCm39) N149I probably damaging Het
Fbxl4 A T 4: 22,376,930 (GRCm39) Q122L probably benign Het
Gm11232 T C 4: 71,676,178 (GRCm39) probably benign Het
Gm5901 A G 7: 105,026,367 (GRCm39) Y45C probably benign Het
Gsap A T 5: 21,476,219 (GRCm39) I553F probably damaging Het
Ifih1 A G 2: 62,436,530 (GRCm39) F631S probably damaging Het
Kics2 A G 10: 121,581,371 (GRCm39) H124R probably damaging Het
Kif21a T C 15: 90,865,040 (GRCm39) D544G probably damaging Het
Klc2 G A 19: 5,159,393 (GRCm39) R552C probably damaging Het
Lamp1 T C 8: 13,223,661 (GRCm39) V293A probably damaging Het
Muc16 T A 9: 18,556,633 (GRCm39) D3220V unknown Het
Myb A T 10: 21,028,551 (GRCm39) I104K probably damaging Het
Mycbp2 C A 14: 103,392,342 (GRCm39) R3227L probably damaging Het
Ncapd2 A T 6: 125,148,472 (GRCm39) L1053Q probably damaging Het
Nelfe T A 17: 35,073,688 (GRCm39) V316E probably damaging Het
Noxred1 T C 12: 87,268,091 (GRCm39) I347V probably null Het
Or8g50 A G 9: 39,648,330 (GRCm39) Y73C probably benign Het
Plekha7 A G 7: 115,735,202 (GRCm39) V1033A probably benign Het
Plekhh1 G C 12: 79,112,491 (GRCm39) W589C probably damaging Het
Ppp6r3 A T 19: 3,517,272 (GRCm39) F658L probably damaging Het
Prss55 A G 14: 64,316,785 (GRCm39) M119T probably damaging Het
Rab28 G A 5: 41,855,735 (GRCm39) Q87* probably null Het
Rsf1 GGCG GGCGACGGCAGCG 7: 97,229,113 (GRCm39) probably benign Het
Sdr16c6 A T 4: 4,076,865 (GRCm39) F11L probably benign Het
Serpinb5 T G 1: 106,800,077 (GRCm39) V89G probably benign Het
Slc12a9 A T 5: 137,314,075 (GRCm39) V628E probably damaging Het
Slc25a34 G A 4: 141,347,809 (GRCm39) R291C probably damaging Het
Slmap C T 14: 26,254,574 (GRCm39) R36H probably damaging Het
Sybu A G 15: 44,541,091 (GRCm39) S324P probably benign Het
Syk A T 13: 52,787,094 (GRCm39) M363L probably benign Het
Tecpr2 T C 12: 110,906,200 (GRCm39) V934A probably benign Het
Thpo A G 16: 20,544,433 (GRCm39) L200P probably damaging Het
Tiam2 T A 17: 3,568,934 (GRCm39) S1693R probably damaging Het
Usp48 A G 4: 137,377,671 (GRCm39) D232G probably damaging Het
Wasf1 A G 10: 40,802,581 (GRCm39) S79G probably damaging Het
Zfp90 G T 8: 107,151,948 (GRCm39) D554Y probably damaging Het
Zfp90 A T 8: 107,151,949 (GRCm39) D554V probably damaging Het
Zic5 T C 14: 122,696,960 (GRCm39) T552A unknown Het
Zic5 CGACGAGTAG C 14: 122,696,967 (GRCm39) 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
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
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'- CCTGGATATAAGCTGTCCTGAC -3'
(R):5'- TGGAATACAGACACAGCTATGAGC -3'

Sequencing Primer
(F):5'- TCAGCTCTGCCACGTAGTAAGAG -3'
(R):5'- ATGCATACACATTGAAAAGCAATAC -3'
Posted On 2018-11-28