Incidental Mutation 'R0893:Cfb'
ID 83626
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 039056-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R0893 (G1)
Quality Score 225
Status Validated
Chromosome 17
Chromosomal Location 35075350-35081492 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 35077031 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Serine to Proline at position 30 (S30P)
Ref Sequence ENSEMBL: ENSMUSP00000116497 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000025229] [ENSMUST00000025230] [ENSMUST00000097343] [ENSMUST00000128767] [ENSMUST00000176203] [ENSMUST00000153400] [ENSMUST00000154526] [ENSMUST00000146299] [ENSMUST00000148431] [ENSMUST00000173065] [ENSMUST00000152417] [ENSMUST00000165953] [ENSMUST00000173357]
AlphaFold P04186
Predicted Effect possibly damaging
Transcript: ENSMUST00000025229
AA Change: S535P

PolyPhen 2 Score 0.892 (Sensitivity: 0.82; Specificity: 0.94)
SMART Domains Protein: ENSMUSP00000025229
Gene: ENSMUSG00000090231
AA Change: S535P

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 probably benign
Transcript: ENSMUST00000097343
SMART Domains Protein: ENSMUSP00000094956
Gene: ENSMUSG00000024369

DomainStartEndE-ValueType
coiled coil region 7 36 N/A INTRINSIC
low complexity region 147 167 N/A INTRINSIC
low complexity region 184 239 N/A INTRINSIC
RRM 259 324 7.25e-12 SMART
Predicted Effect possibly damaging
Transcript: ENSMUST00000128767
AA Change: S533P

PolyPhen 2 Score 0.934 (Sensitivity: 0.80; Specificity: 0.94)
SMART Domains Protein: ENSMUSP00000119977
Gene: ENSMUSG00000090231
AA Change: S533P

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 unknown
Transcript: ENSMUST00000129891
AA Change: S742P
SMART Domains Protein: ENSMUSP00000120864
Gene: ENSMUSG00000092511
AA Change: S742P

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 unknown
Transcript: ENSMUST00000141295
AA Change: S72P
SMART Domains Protein: ENSMUSP00000118945
Gene: ENSMUSG00000090231
AA Change: S72P

DomainStartEndE-ValueType
Tryp_SPc 18 258 3.76e-7 SMART
Predicted Effect possibly damaging
Transcript: ENSMUST00000176203
AA Change: S535P

PolyPhen 2 Score 0.892 (Sensitivity: 0.82; Specificity: 0.94)
SMART Domains Protein: ENSMUSP00000135660
Gene: ENSMUSG00000090231
AA Change: S535P

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 damaging
Transcript: ENSMUST00000153400
AA Change: S30P

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000116497
Gene: ENSMUSG00000090231
AA Change: S30P

DomainStartEndE-ValueType
Tryp_SPc 1 217 2.36e-5 SMART
Predicted Effect probably damaging
Transcript: ENSMUST00000154526
AA Change: S533P

PolyPhen 2 Score 0.963 (Sensitivity: 0.78; Specificity: 0.95)
SMART Domains Protein: ENSMUSP00000120990
Gene: ENSMUSG00000090231
AA Change: S533P

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 damaging
Transcript: ENSMUST00000146299
AA Change: S1048P

PolyPhen 2 Score 0.977 (Sensitivity: 0.76; Specificity: 0.96)
SMART Domains Protein: ENSMUSP00000117677
Gene: ENSMUSG00000092511
AA Change: S1048P

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 noncoding transcript
Transcript: ENSMUST00000174075
Predicted Effect noncoding transcript
Transcript: ENSMUST00000173775
Predicted Effect noncoding transcript
Transcript: ENSMUST00000184774
Predicted Effect noncoding transcript
Transcript: ENSMUST00000174888
Predicted Effect probably benign
Transcript: ENSMUST00000176332
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: ENSMUST00000173065
SMART Domains Protein: ENSMUSP00000133934
Gene: ENSMUSG00000024369

DomainStartEndE-ValueType
coiled coil region 7 36 N/A INTRINSIC
low complexity region 147 167 N/A INTRINSIC
low complexity region 184 228 N/A INTRINSIC
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
Predicted Effect probably benign
Transcript: ENSMUST00000165953
SMART Domains Protein: ENSMUSP00000131195
Gene: ENSMUSG00000024369

DomainStartEndE-ValueType
coiled coil region 7 36 N/A INTRINSIC
low complexity region 147 167 N/A INTRINSIC
low complexity region 184 239 N/A INTRINSIC
RRM 259 324 7.25e-12 SMART
Predicted Effect probably benign
Transcript: ENSMUST00000173357
SMART Domains Protein: ENSMUSP00000134272
Gene: ENSMUSG00000024369

DomainStartEndE-ValueType
coiled coil region 7 36 N/A INTRINSIC
low complexity region 147 167 N/A INTRINSIC
low complexity region 184 239 N/A INTRINSIC
RRM 259 324 7.25e-12 SMART
Meta Mutation Damage Score 0.1666 question?
Coding Region Coverage
  • 1x: 99.4%
  • 3x: 98.9%
  • 10x: 97.4%
  • 20x: 95.1%
Validation Efficiency 99% (77/78)
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: 77 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
2700049A03Rik T A 12: 71,266,082 (GRCm39) probably benign Het
Adnp A T 2: 168,025,647 (GRCm39) F549L possibly damaging Het
Agl A G 3: 116,546,935 (GRCm39) I1305T probably benign Het
Aldh8a1 T A 10: 21,267,593 (GRCm39) M326K probably benign Het
Amdhd1 A T 10: 93,363,513 (GRCm39) M295K probably damaging Het
Arhgef4 T A 1: 34,846,191 (GRCm39) C324S probably damaging Het
Car8 A T 4: 8,238,119 (GRCm39) probably null Het
Cc2d1a T C 8: 84,867,468 (GRCm39) probably benign Het
Cd81 G A 7: 142,616,242 (GRCm39) V27M possibly damaging Het
Ces1b A T 8: 93,806,056 (GRCm39) S62T probably benign Het
Cmtm3 A G 8: 105,070,543 (GRCm39) M101V possibly damaging Het
Cul7 T A 17: 46,974,116 (GRCm39) L1467H probably damaging Het
Ddb1 C T 19: 10,590,280 (GRCm39) S269L probably benign Het
Ddx25 G A 9: 35,465,686 (GRCm39) Q143* probably null Het
Dis3l2 T A 1: 86,971,928 (GRCm39) probably null Het
Dlgap4 G T 2: 156,587,898 (GRCm39) E598* probably null Het
Dus1l C T 11: 120,680,262 (GRCm39) G471D possibly damaging Het
Elp4 C A 2: 105,727,290 (GRCm39) probably benign Het
Eya3 A G 4: 132,417,097 (GRCm39) N194S probably benign Het
Golgb1 G T 16: 36,732,639 (GRCm39) V629L possibly damaging Het
Hars2 G A 18: 36,920,648 (GRCm39) A164T possibly damaging Het
Hexb T A 13: 97,322,135 (GRCm39) I217L probably benign Het
Hgh1 A G 15: 76,253,848 (GRCm39) probably null Het
Hsd3b3 A T 3: 98,649,757 (GRCm39) probably null Het
Ighg2c T A 12: 113,251,053 (GRCm39) N321Y unknown Het
Il5 A G 11: 53,611,763 (GRCm39) T34A probably benign Het
Jph1 C A 1: 17,074,507 (GRCm39) E504* probably null Het
Kif2b G T 11: 91,466,420 (GRCm39) T621K probably benign Het
Kmt2c A T 5: 25,556,268 (GRCm39) probably benign Het
Leprotl1 A G 8: 34,606,006 (GRCm39) probably null Het
Lpar3 C T 3: 145,946,348 (GRCm39) R9C possibly damaging Het
Map1a A G 2: 121,131,014 (GRCm39) E372G probably damaging Het
Map2 C A 1: 66,419,927 (GRCm39) T86K probably damaging Het
Map7 A G 10: 20,149,629 (GRCm39) probably null Het
Mdn1 T C 4: 32,701,713 (GRCm39) V1482A probably benign Het
Mks1 G A 11: 87,747,777 (GRCm39) probably benign Het
Morf4l1 T G 9: 89,984,403 (GRCm39) K102N probably damaging Het
Mroh1 T A 15: 76,293,138 (GRCm39) V304D possibly damaging Het
Mtg1 G A 7: 139,729,665 (GRCm39) V252M probably damaging Het
Myh13 A T 11: 67,225,427 (GRCm39) D264V probably damaging Het
Myh2 A G 11: 67,077,334 (GRCm39) Y823C possibly damaging Het
Myoz1 A T 14: 20,701,252 (GRCm39) S112R probably benign Het
Ncapd2 A G 6: 125,150,445 (GRCm39) V860A probably benign Het
Nfix G A 8: 85,453,155 (GRCm39) R300C probably damaging Het
Npffr1 T C 10: 61,450,010 (GRCm39) F95L possibly damaging Het
Or51f1e G T 7: 102,747,641 (GRCm39) R231L probably benign Het
Or8b9 T C 9: 37,766,492 (GRCm39) I126T probably damaging Het
Orc4 A C 2: 48,822,622 (GRCm39) probably benign Het
P3h3 A C 6: 124,822,476 (GRCm39) I565R probably damaging Het
Pak4 T C 7: 28,259,202 (GRCm39) D552G probably benign Het
Pcdhb4 G T 18: 37,442,423 (GRCm39) probably null Het
Pdcd4 G T 19: 53,917,525 (GRCm39) R454L probably damaging Het
Phf8-ps T C 17: 33,284,263 (GRCm39) I846M probably benign Het
Pkd1l2 A G 8: 117,771,231 (GRCm39) I1116T probably damaging Het
Plcb2 A G 2: 118,555,586 (GRCm39) probably benign Het
Pmpca T C 2: 26,283,230 (GRCm39) probably benign Het
Pnpla7 T A 2: 24,887,252 (GRCm39) I32N probably damaging Het
Prpf8 A G 11: 75,384,775 (GRCm39) K718E probably damaging Het
Racgap1 C T 15: 99,524,411 (GRCm39) A359T probably benign Het
Rgs3 G A 4: 62,523,798 (GRCm39) probably null Het
Rhpn1 A G 15: 75,583,503 (GRCm39) E356G probably damaging Het
Rps6ka5 T C 12: 100,540,697 (GRCm39) H488R possibly damaging Het
Scn11a A G 9: 119,632,396 (GRCm39) probably null Het
Sema4f A T 6: 82,912,948 (GRCm39) probably benign Het
Serpina1f A G 12: 103,660,094 (GRCm39) S63P probably damaging Het
Slc9a3 T C 13: 74,307,365 (GRCm39) W386R probably damaging Het
Slc9b1 A C 3: 135,100,651 (GRCm39) L465F probably benign Het
Smc5 A G 19: 23,241,017 (GRCm39) V165A possibly damaging Het
Tex10 C T 4: 48,456,800 (GRCm39) R637Q probably benign Het
Tinagl1 G T 4: 130,067,816 (GRCm39) D59E probably damaging Het
Tns3 A G 11: 8,443,302 (GRCm39) Y354H probably damaging Het
Trappc9 C T 15: 72,461,956 (GRCm39) G1103D probably damaging Het
Unc79 A T 12: 102,957,687 (GRCm39) D34V probably damaging Het
Unc80 T C 1: 66,560,645 (GRCm39) L791P probably damaging Het
Unc93a2 A G 17: 7,641,926 (GRCm39) L174P probably damaging Het
Xpo7 G T 14: 70,903,537 (GRCm39) probably benign Het
Zbtb1 T A 12: 76,432,113 (GRCm39) I33N 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
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
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'- TTTATGGAAGCAGCCTCCTGCCTC -3'
(R):5'- TGGCAAGCCAAGATCTCAGTCAC -3'

Sequencing Primer
(F):5'- GGCCCCATCTCATCTTTGG -3'
(R):5'- ggaagccgaggtagggtag -3'
Posted On 2013-11-08