Incidental Mutation 'R6046:Cfb'
ID 483327
Institutional Source Beutler Lab
Gene Symbol Cfb
Ensembl Gene ENSMUSG00000090231
Gene Name complement factor B
Synonyms FB, alternative-complement pathway C3/C5 convertase, B, Factor B, Bf, H2-Bf
MMRRC Submission 044214-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R6046 (G1)
Quality Score 140.008
Status Validated
Chromosome 17
Chromosomal Location 35075350-35081492 bp(-) (GRCm39)
Type of Mutation splice site (502 bp from exon)
DNA Base Change (assembly) T to A at 35081078 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change
Ref Sequence ENSEMBL: ENSMUSP00000123536 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000025229] [ENSMUST00000025229] [ENSMUST00000025230] [ENSMUST00000128767] [ENSMUST00000128767] [ENSMUST00000176203] [ENSMUST00000176203] [ENSMUST00000154526] [ENSMUST00000154526] [ENSMUST00000152417] [ENSMUST00000153400] [ENSMUST00000146299] [ENSMUST00000148431]
AlphaFold P04186
Predicted Effect probably benign
Transcript: ENSMUST00000025229
AA Change: E4V

PolyPhen 2 Score 0.090 (Sensitivity: 0.93; Specificity: 0.85)
SMART Domains Protein: ENSMUSP00000025229
Gene: ENSMUSG00000090231
AA Change: E4V

DomainStartEndE-ValueType
low complexity region 8 23 N/A INTRINSIC
CCP 36 88 5.15e-1 SMART
CCP 102 157 4.62e-15 SMART
CCP 164 217 2.06e-12 SMART
VWA 267 472 1.07e-40 SMART
Tryp_SPc 480 751 2.53e-30 SMART
Predicted Effect probably benign
Transcript: ENSMUST00000025229
AA Change: E4V

PolyPhen 2 Score 0.090 (Sensitivity: 0.93; Specificity: 0.85)
SMART Domains Protein: ENSMUSP00000025229
Gene: ENSMUSG00000090231
AA Change: E4V

DomainStartEndE-ValueType
low complexity region 8 23 N/A INTRINSIC
CCP 36 88 5.15e-1 SMART
CCP 102 157 4.62e-15 SMART
CCP 164 217 2.06e-12 SMART
VWA 267 472 1.07e-40 SMART
Tryp_SPc 480 751 2.53e-30 SMART
Predicted Effect probably null
Transcript: ENSMUST00000025230
SMART Domains Protein: ENSMUSP00000025230
Gene: ENSMUSG00000024371

DomainStartEndE-ValueType
signal peptide 1 18 N/A INTRINSIC
Blast:CCP 22 71 8e-24 BLAST
low complexity region 72 83 N/A INTRINSIC
CCP 94 149 1.34e-11 SMART
CCP 156 210 1.89e-11 SMART
Blast:VWA 219 245 1e-7 BLAST
VWA 259 464 1.32e-31 SMART
Tryp_SPc 468 747 4.43e-26 SMART
Predicted Effect noncoding transcript
Transcript: ENSMUST00000127795
Predicted Effect probably benign
Transcript: ENSMUST00000128767
AA Change: E2V

PolyPhen 2 Score 0.090 (Sensitivity: 0.93; Specificity: 0.85)
SMART Domains Protein: ENSMUSP00000119977
Gene: ENSMUSG00000090231
AA Change: E2V

DomainStartEndE-ValueType
low complexity region 6 21 N/A INTRINSIC
CCP 34 86 5.15e-1 SMART
CCP 100 155 4.62e-15 SMART
CCP 162 215 2.06e-12 SMART
VWA 265 470 1.07e-40 SMART
Tryp_SPc 478 749 2.53e-30 SMART
Predicted Effect probably benign
Transcript: ENSMUST00000128767
AA Change: E2V

PolyPhen 2 Score 0.090 (Sensitivity: 0.93; Specificity: 0.85)
SMART Domains Protein: ENSMUSP00000119977
Gene: ENSMUSG00000090231
AA Change: E2V

DomainStartEndE-ValueType
low complexity region 6 21 N/A INTRINSIC
CCP 34 86 5.15e-1 SMART
CCP 100 155 4.62e-15 SMART
CCP 162 215 2.06e-12 SMART
VWA 265 470 1.07e-40 SMART
Tryp_SPc 478 749 2.53e-30 SMART
Predicted Effect probably benign
Transcript: ENSMUST00000129891
SMART Domains Protein: ENSMUSP00000120864
Gene: ENSMUSG00000092511

DomainStartEndE-ValueType
Blast:VWA 2 77 8e-7 BLAST
Tryp_SPc 85 365 5.69e-8 SMART
CCP 310 365 4.62e-15 SMART
CCP 372 425 2.06e-12 SMART
VWA 475 680 1.07e-40 SMART
Tryp_SPc 688 959 2.53e-30 SMART
Predicted Effect probably benign
Transcript: ENSMUST00000133127
SMART Domains Protein: ENSMUSP00000118360
Gene: ENSMUSG00000090231

DomainStartEndE-ValueType
PDB:2WIN|L 2 43 2e-20 PDB
Blast:VWA 13 44 9e-11 BLAST
Predicted Effect probably null
Transcript: ENSMUST00000134300
SMART Domains Protein: ENSMUSP00000114241
Gene: ENSMUSG00000024371

DomainStartEndE-ValueType
Tryp_SPc 3 148 6.48e-4 SMART
Predicted Effect probably benign
Transcript: ENSMUST00000176203
AA Change: E4V

PolyPhen 2 Score 0.246 (Sensitivity: 0.91; Specificity: 0.88)
SMART Domains Protein: ENSMUSP00000135660
Gene: ENSMUSG00000090231
AA Change: E4V

DomainStartEndE-ValueType
low complexity region 8 23 N/A INTRINSIC
CCP 36 88 5.15e-1 SMART
CCP 102 157 4.62e-15 SMART
CCP 164 217 2.06e-12 SMART
VWA 267 472 1.07e-40 SMART
Tryp_SPc 480 713 5.03e-5 SMART
Predicted Effect probably benign
Transcript: ENSMUST00000176203
AA Change: E4V

PolyPhen 2 Score 0.246 (Sensitivity: 0.91; Specificity: 0.88)
SMART Domains Protein: ENSMUSP00000135660
Gene: ENSMUSG00000090231
AA Change: E4V

DomainStartEndE-ValueType
low complexity region 8 23 N/A INTRINSIC
CCP 36 88 5.15e-1 SMART
CCP 102 157 4.62e-15 SMART
CCP 164 217 2.06e-12 SMART
VWA 267 472 1.07e-40 SMART
Tryp_SPc 480 713 5.03e-5 SMART
Predicted Effect probably benign
Transcript: ENSMUST00000154526
AA Change: E2V

PolyPhen 2 Score 0.246 (Sensitivity: 0.91; Specificity: 0.88)
SMART Domains Protein: ENSMUSP00000120990
Gene: ENSMUSG00000090231
AA Change: E2V

DomainStartEndE-ValueType
low complexity region 6 21 N/A INTRINSIC
CCP 34 86 5.15e-1 SMART
CCP 100 155 4.62e-15 SMART
CCP 162 215 2.06e-12 SMART
VWA 265 470 1.07e-40 SMART
Tryp_SPc 478 711 5.03e-5 SMART
Predicted Effect probably benign
Transcript: ENSMUST00000154526
AA Change: E2V

PolyPhen 2 Score 0.246 (Sensitivity: 0.91; Specificity: 0.88)
SMART Domains Protein: ENSMUSP00000120990
Gene: ENSMUSG00000090231
AA Change: E2V

DomainStartEndE-ValueType
low complexity region 6 21 N/A INTRINSIC
CCP 34 86 5.15e-1 SMART
CCP 100 155 4.62e-15 SMART
CCP 162 215 2.06e-12 SMART
VWA 265 470 1.07e-40 SMART
Tryp_SPc 478 711 5.03e-5 SMART
Predicted Effect noncoding transcript
Transcript: ENSMUST00000184774
Predicted Effect probably benign
Transcript: ENSMUST00000141295
SMART Domains Protein: ENSMUSP00000118945
Gene: ENSMUSG00000090231

DomainStartEndE-ValueType
Tryp_SPc 18 258 3.76e-7 SMART
Predicted Effect probably null
Transcript: ENSMUST00000152417
SMART Domains Protein: ENSMUSP00000123536
Gene: ENSMUSG00000024371

DomainStartEndE-ValueType
low complexity region 4 13 N/A INTRINSIC
CCP 19 73 1.89e-11 SMART
Blast:VWA 82 108 2e-7 BLAST
VWA 122 327 1.32e-31 SMART
Tryp_SPc 331 610 4.43e-26 SMART
Predicted Effect probably benign
Transcript: ENSMUST00000153400
SMART Domains Protein: ENSMUSP00000116497
Gene: ENSMUSG00000090231

DomainStartEndE-ValueType
Tryp_SPc 1 217 2.36e-5 SMART
Predicted Effect probably benign
Transcript: ENSMUST00000176332
Predicted Effect probably benign
Transcript: ENSMUST00000146299
SMART Domains Protein: ENSMUSP00000117677
Gene: ENSMUSG00000092511

DomainStartEndE-ValueType
signal peptide 1 18 N/A INTRINSIC
low complexity region 72 83 N/A INTRINSIC
CCP 94 148 1.89e-11 SMART
VWA 103 311 1.74e-1 SMART
Tryp_SPc 315 547 1.49e-7 SMART
CCP 549 601 5.15e-1 SMART
CCP 615 670 4.62e-15 SMART
CCP 677 730 2.06e-12 SMART
VWA 780 985 1.07e-40 SMART
Tryp_SPc 993 1264 2.53e-30 SMART
Predicted Effect probably null
Transcript: ENSMUST00000148431
SMART Domains Protein: ENSMUSP00000120009
Gene: ENSMUSG00000024371

DomainStartEndE-ValueType
VWA 33 187 2.33e0 SMART
Tryp_SPc 191 470 4.43e-26 SMART
Meta Mutation Damage Score 0.9755 question?
Coding Region Coverage
  • 1x: 99.9%
  • 3x: 99.5%
  • 10x: 97.7%
  • 20x: 92.8%
Validation Efficiency 100% (78/78)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This gene encodes complement factor B, a component of the alternative pathway of complement activation. Factor B circulates in the blood as a single chain polypeptide. Upon activation of the alternative pathway, it is cleaved by complement factor D yielding the noncatalytic chain Ba and the catalytic subunit Bb. The active subunit Bb is a serine protease which associates with C3b to form the alternative pathway C3 convertase. Bb is involved in the proliferation of preactivated B lymphocytes, while Ba inhibits their proliferation. This gene localizes to the major histocompatibility complex (MHC) class III region on chromosome 6. This cluster includes several genes involved in regulation of the immune reaction. Polymorphisms in this gene are associated with a reduced risk of age-related macular degeneration. The polyadenylation site of this gene is 421 bp from the 5' end of the gene for complement component 2. [provided by RefSeq, Jul 2008]
PHENOTYPE: Homozygotes for targeted null mutations lack the alternative complement pathway, and have reduced overall complement activity. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 74 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abtb3 T C 10: 85,223,947 (GRCm39) V252A unknown Het
Actn4 T C 7: 28,604,044 (GRCm39) I406V probably benign Het
Acyp2 C T 11: 30,456,354 (GRCm39) E98K possibly damaging Het
Ank1 T A 8: 23,606,114 (GRCm39) F1124I probably damaging Het
Arhgap44 CTGCT CTGCTTGCT 11: 64,922,910 (GRCm39) probably null Het
Atp9a C A 2: 168,476,790 (GRCm39) V1000L probably benign Het
Bnip3 A G 7: 138,511,033 (GRCm39) probably benign Het
Btnl6 T A 17: 34,727,371 (GRCm39) R386S probably damaging Het
Calcrl A G 2: 84,205,658 (GRCm39) V11A probably benign Het
Cc2d1a G T 8: 84,863,571 (GRCm39) A597D possibly damaging Het
Celsr3 A G 9: 108,714,350 (GRCm39) T1960A probably benign Het
Chd8 A G 14: 52,458,528 (GRCm39) I860T possibly damaging Het
Col28a1 A G 6: 8,168,102 (GRCm39) probably null Het
Crhr2 T A 6: 55,068,277 (GRCm39) T428S probably damaging Het
Crybg2 A T 4: 133,819,388 (GRCm39) I1753F probably damaging Het
Ctsq A T 13: 61,186,955 (GRCm39) V46E probably benign Het
Cxcr1 T C 1: 74,231,440 (GRCm39) E194G probably damaging Het
Dop1a A T 9: 86,397,396 (GRCm39) H900L probably damaging Het
Dpyd T A 3: 119,225,224 (GRCm39) M999K probably benign Het
Gbp3 A C 3: 142,273,560 (GRCm39) D369A possibly damaging Het
Glmp A G 3: 88,232,495 (GRCm39) E36G probably damaging Het
Gm10113 T C 13: 46,330,919 (GRCm39) noncoding transcript Het
Gm6486 T A 5: 3,120,846 (GRCm39) noncoding transcript Het
Gm973 T G 1: 59,671,509 (GRCm39) L891R unknown Het
Heatr3 C T 8: 88,866,582 (GRCm39) T8M probably damaging Het
Herc1 A G 9: 66,352,831 (GRCm39) M2106V probably damaging Het
Hfm1 A T 5: 107,046,509 (GRCm39) probably null Het
Hspa14 A G 2: 3,490,801 (GRCm39) V462A possibly damaging Het
Hspa5 C A 2: 34,665,761 (GRCm39) T535K possibly damaging Het
Ift140 A G 17: 25,274,563 (GRCm39) D745G probably benign Het
Ift27 A T 15: 78,057,981 (GRCm39) C8S possibly damaging Het
Irak1bp1 G A 9: 82,728,616 (GRCm39) W182* probably null Het
Itga3 A G 11: 94,953,541 (GRCm39) I236T probably benign Het
Kctd15 T A 7: 34,349,547 (GRCm39) N26Y possibly damaging Het
Kdm1b T C 13: 47,232,729 (GRCm39) V733A possibly damaging Het
Lhx8 A T 3: 154,027,340 (GRCm39) L234H probably damaging Het
Lrp2 T A 2: 69,337,098 (GRCm39) T1225S probably damaging Het
Lrrn1 G A 6: 107,545,488 (GRCm39) D429N probably benign Het
Mettl3 A T 14: 52,536,243 (GRCm39) N200K possibly damaging Het
Mixl1 G T 1: 180,524,336 (GRCm39) A81D possibly damaging Het
Mroh2b T C 15: 4,980,763 (GRCm39) I1444T probably benign Het
Muc15 T A 2: 110,561,786 (GRCm39) L74* probably null Het
Olfm2 T A 9: 20,579,824 (GRCm39) Y317F probably damaging Het
Or52a33 C T 7: 103,288,886 (GRCm39) V154M probably benign Het
Or5b114-ps1 G A 19: 13,352,698 (GRCm39) S124N probably benign Het
Or5p54 T A 7: 107,554,001 (GRCm39) I51N probably benign Het
Pclo A T 5: 14,763,302 (GRCm39) Y3925F unknown Het
Pik3c2g A T 6: 139,599,137 (GRCm39) R84S probably damaging Het
Pik3c2g A G 6: 139,842,518 (GRCm39) Q449R probably damaging Het
Psg28 T C 7: 18,160,305 (GRCm39) E297G probably damaging Het
Qrich2 A T 11: 116,337,832 (GRCm39) probably benign Het
Rgs9 A G 11: 109,130,386 (GRCm39) I363T probably damaging Het
Rnpepl1 A G 1: 92,844,543 (GRCm39) D345G probably damaging Het
Rtn4 T A 11: 29,658,023 (GRCm39) F726I probably damaging Het
Sart3 A T 5: 113,893,507 (GRCm39) I330N probably damaging Het
Scn5a T C 9: 119,391,440 (GRCm39) D84G probably damaging Het
Sema4a T C 3: 88,348,008 (GRCm39) T438A probably damaging Het
Sfxn1 A C 13: 54,242,961 (GRCm39) Y73S probably benign Het
Slc24a2 A G 4: 86,914,882 (GRCm39) M585T probably damaging Het
Slc26a7 A G 4: 14,505,471 (GRCm39) V656A probably benign Het
Smok2a T G 17: 13,445,021 (GRCm39) D199E probably benign Het
Tbc1d10c T C 19: 4,235,030 (GRCm39) I344V probably benign Het
Tll1 A T 8: 64,506,925 (GRCm39) Y605* probably null Het
Trim75 G A 8: 65,435,535 (GRCm39) P305L probably damaging Het
Unc13c T C 9: 73,838,166 (GRCm39) N895S probably benign Het
Vmn2r25 A T 6: 123,799,876 (GRCm39) I822N probably damaging Het
Wasf3 T G 5: 146,407,166 (GRCm39) D495E unknown Het
Wdhd1 T A 14: 47,510,667 (GRCm39) K119* probably null Het
Wnt2b T A 3: 104,858,339 (GRCm39) D310V probably damaging Het
Zfat G T 15: 68,052,626 (GRCm39) D389E probably damaging Het
Zfp282 G A 6: 47,857,102 (GRCm39) V112M probably damaging Het
Zfp617 A T 8: 72,687,257 (GRCm39) K529I probably damaging Het
Zfp866 A T 8: 70,218,373 (GRCm39) C416S probably damaging Het
Zfp991 G A 4: 147,264,222 (GRCm39) G533D probably benign Het
Other mutations in Cfb
AlleleSourceChrCoordTypePredicted EffectPPH Score
R0270:Cfb UTSW 17 35,079,362 (GRCm39) missense possibly damaging 0.92
R0419:Cfb UTSW 17 35,077,485 (GRCm39) missense probably damaging 1.00
R0514:Cfb UTSW 17 35,079,874 (GRCm39) missense probably damaging 1.00
R0645:Cfb UTSW 17 35,078,992 (GRCm39) missense probably benign 0.25
R0668:Cfb UTSW 17 35,076,079 (GRCm39) missense probably benign 0.29
R0893:Cfb UTSW 17 35,077,031 (GRCm39) missense probably damaging 1.00
R1879:Cfb UTSW 17 35,079,536 (GRCm39) missense probably benign 0.11
R2135:Cfb UTSW 17 35,076,254 (GRCm39) missense possibly damaging 0.84
R3107:Cfb UTSW 17 35,080,800 (GRCm39) missense possibly damaging 0.88
R4291:Cfb UTSW 17 35,080,114 (GRCm39) missense possibly damaging 0.95
R4369:Cfb UTSW 17 35,079,290 (GRCm39) missense probably damaging 1.00
R4371:Cfb UTSW 17 35,079,290 (GRCm39) missense probably damaging 1.00
R4616:Cfb UTSW 17 35,078,044 (GRCm39) missense probably benign 0.29
R5177:Cfb UTSW 17 35,078,002 (GRCm39) missense probably damaging 1.00
R5689:Cfb UTSW 17 35,080,770 (GRCm39) missense probably benign 0.00
R5773:Cfb UTSW 17 35,076,248 (GRCm39) nonsense probably null
R6274:Cfb UTSW 17 35,081,069 (GRCm39) missense probably benign 0.18
R6318:Cfb UTSW 17 35,080,800 (GRCm39) missense possibly damaging 0.88
R7035:Cfb UTSW 17 35,079,007 (GRCm39) missense possibly damaging 0.53
R7585:Cfb UTSW 17 35,076,737 (GRCm39) missense probably benign 0.00
R7920:Cfb UTSW 17 35,079,867 (GRCm39) missense probably benign 0.00
R8312:Cfb UTSW 17 35,077,121 (GRCm39) missense probably benign 0.11
R8465:Cfb UTSW 17 35,076,290 (GRCm39) nonsense probably null
R9452:Cfb UTSW 17 35,078,084 (GRCm39) missense probably benign
RF005:Cfb UTSW 17 35,077,022 (GRCm39) missense possibly damaging 0.76
Predicted Primers PCR Primer
(F):5'- TCCAGAGAGCAGGAGACTTG -3'
(R):5'- ATGAATGTTCCGGGAAGCAGTG -3'

Sequencing Primer
(F):5'- AGCAGGAGACTTGGGGCC -3'
(R):5'- CAGGGTAGGCTGGCCAG -3'
Posted On 2017-07-14