Incidental Mutation 'R5689:Cfb'
ID 443601
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 043322-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R5689 (G1)
Quality Score 225
Status Validated
Chromosome 17
Chromosomal Location 35075350-35081492 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to A at 35080770 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Threonine to Serine at position 76 (T76S)
Ref Sequence ENSEMBL: ENSMUSP00000120990 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000025229] [ENSMUST00000025230] [ENSMUST00000128767] [ENSMUST00000176203] [ENSMUST00000146299] [ENSMUST00000154526] [ENSMUST00000153400] [ENSMUST00000148431] [ENSMUST00000152417]
AlphaFold P04186
Predicted Effect probably benign
Transcript: ENSMUST00000025229
AA Change: T78S

PolyPhen 2 Score 0.000 (Sensitivity: 1.00; Specificity: 0.00)
SMART Domains Protein: ENSMUSP00000025229
Gene: ENSMUSG00000090231
AA Change: T78S

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: 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: T76S

PolyPhen 2 Score 0.000 (Sensitivity: 1.00; Specificity: 0.00)
SMART Domains Protein: ENSMUSP00000119977
Gene: ENSMUSG00000090231
AA Change: T76S

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 benign
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: T78S

PolyPhen 2 Score 0.000 (Sensitivity: 1.00; Specificity: 0.00)
SMART Domains Protein: ENSMUSP00000135660
Gene: ENSMUSG00000090231
AA Change: T78S

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 unknown
Transcript: ENSMUST00000146299
AA Change: T591S
SMART Domains Protein: ENSMUSP00000117677
Gene: ENSMUSG00000092511
AA Change: T591S

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 benign
Transcript: ENSMUST00000154526
AA Change: T76S

PolyPhen 2 Score 0.001 (Sensitivity: 0.99; Specificity: 0.15)
SMART Domains Protein: ENSMUSP00000120990
Gene: ENSMUSG00000090231
AA Change: T76S

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: ENSMUST00000153400
SMART Domains Protein: ENSMUSP00000116497
Gene: ENSMUSG00000090231

DomainStartEndE-ValueType
Tryp_SPc 1 217 2.36e-5 SMART
Predicted Effect probably benign
Transcript: ENSMUST00000148431
SMART Domains Protein: ENSMUSP00000120009
Gene: ENSMUSG00000024371

DomainStartEndE-ValueType
VWA 33 187 2.33e0 SMART
Tryp_SPc 191 470 4.43e-26 SMART
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 benign
Transcript: ENSMUST00000176332
Predicted Effect probably benign
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
Meta Mutation Damage Score 0.0721 question?
Coding Region Coverage
  • 1x: 99.5%
  • 3x: 98.8%
  • 10x: 97.5%
  • 20x: 95.8%
Validation Efficiency 95% (63/66)
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: 58 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Adcy7 G T 8: 89,051,412 (GRCm39) C844F probably benign Het
Afdn T C 17: 14,075,621 (GRCm39) V945A probably damaging Het
Aimp2 T C 5: 143,843,389 (GRCm39) D67G possibly damaging Het
Aqp7 G A 4: 41,035,510 (GRCm39) T115I probably benign Het
Atp11b G T 3: 35,888,501 (GRCm39) V924F possibly damaging Het
Atp8b1 C T 18: 64,697,608 (GRCm39) R412H probably damaging Het
Cmpk2 A T 12: 26,519,766 (GRCm39) H139L probably benign Het
Cypt4 T C 9: 24,536,542 (GRCm39) S11P possibly damaging Het
Dbx1 A G 7: 49,282,519 (GRCm39) F229L probably damaging Het
Dnah6 T A 6: 72,998,210 (GRCm39) M4071L probably benign Het
Dnah7a A G 1: 53,444,857 (GRCm39) V3949A possibly damaging Het
Dnajc25 A G 4: 59,017,716 (GRCm39) E6G probably damaging Het
Dync2h1 C A 9: 7,169,689 (GRCm39) V263F probably damaging Het
Eno4 T A 19: 58,959,088 (GRCm39) D403E probably benign Het
Evi5l C T 8: 4,255,460 (GRCm39) Q542* probably null Het
Fam135a A G 1: 24,068,134 (GRCm39) S12P probably benign Het
Flnc G A 6: 29,441,591 (GRCm39) A458T probably benign Het
Fnip1 T C 11: 54,393,115 (GRCm39) V517A probably damaging Het
Galc G T 12: 98,179,245 (GRCm39) H361N possibly damaging Het
Gask1a T C 9: 121,794,754 (GRCm39) F303L probably damaging Het
Gcnt1 T A 19: 17,306,768 (GRCm39) D319V probably damaging Het
Gm26996 T C 6: 130,555,258 (GRCm39) noncoding transcript Het
Gm5321 A T 7: 6,022,268 (GRCm39) noncoding transcript Het
Grin3b T C 10: 79,810,465 (GRCm39) L657P probably damaging Het
Gstm5 T C 3: 107,803,981 (GRCm39) F54S probably damaging Het
Ilk C A 7: 105,390,857 (GRCm39) L267I probably benign Het
Lifr A G 15: 7,214,285 (GRCm39) Y713C probably damaging Het
Lnx2 A T 5: 146,965,961 (GRCm39) V386E probably damaging Het
Lrch1 T C 14: 75,023,764 (GRCm39) E587G probably damaging Het
Or10g3 C T 14: 52,610,214 (GRCm39) V99M possibly damaging Het
Osgin1 A G 8: 120,171,728 (GRCm39) *173W probably null Het
Pcdhga7 C A 18: 37,849,736 (GRCm39) P581H probably damaging Het
Pde4dip A T 3: 97,599,683 (GRCm39) L2384* probably null Het
Phf12 T A 11: 77,914,551 (GRCm39) N115K probably damaging Het
Pmel A G 10: 128,552,170 (GRCm39) T335A probably damaging Het
Polr3e C A 7: 120,539,912 (GRCm39) T579K possibly damaging Het
Ptprc A G 1: 138,045,515 (GRCm39) V164A probably benign Het
Rapsn T C 2: 90,866,269 (GRCm39) F43S probably damaging Het
Rarb T A 14: 16,434,177 (GRCm38) I334F probably damaging Het
Rev3l T C 10: 39,670,954 (GRCm39) Y167H probably damaging Het
Rnf146 T C 10: 29,223,800 (GRCm39) T29A probably benign Het
Rsf1 GC GCGGCGGCGCC 7: 97,229,141 (GRCm39) probably benign Het
Slc35e2 C T 4: 155,694,483 (GRCm39) P10L probably benign Het
Slc5a10 C T 11: 61,598,710 (GRCm39) M223I probably benign Het
Slc7a11 C G 3: 50,326,780 (GRCm39) V494L probably benign Het
Slitrk6 C T 14: 110,989,558 (GRCm39) E50K probably benign Het
Smg8 A G 11: 86,975,949 (GRCm39) F544S probably damaging Het
Tnpo3 T C 6: 29,571,063 (GRCm39) M444V possibly damaging Het
Trav7d-4 G A 14: 53,007,651 (GRCm39) R48H probably damaging Het
Trim50 A T 5: 135,382,516 (GRCm39) T123S probably damaging Het
Trpc4ap C G 2: 155,512,955 (GRCm39) probably null Het
Ttn T A 2: 76,618,620 (GRCm39) R14475S probably damaging Het
Uts2 A T 4: 151,083,565 (GRCm39) T59S possibly damaging Het
Vmn1r52 T C 6: 90,156,232 (GRCm39) S179P possibly damaging Het
Vmn2r116 A G 17: 23,616,693 (GRCm39) H537R probably benign Het
Vps16 C T 2: 130,281,011 (GRCm39) Q226* probably null Het
Zfhx2 T C 14: 55,311,360 (GRCm39) T445A possibly damaging Het
Zfp638 T C 6: 83,906,054 (GRCm39) V73A probably damaging 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
R5773:Cfb UTSW 17 35,076,248 (GRCm39) nonsense probably null
R6046:Cfb UTSW 17 35,081,078 (GRCm39) splice site 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'- TTTTCACTGCCCGAGGAAAG -3'
(R):5'- ACTAGACTTTCTCCTCAGGTGTG -3'

Sequencing Primer
(F):5'- TGTGCCTGTGCTCAACCAG -3'
(R):5'- TCAGGTGTGAGCGCAACTC -3'
Posted On 2016-11-09