Incidental Mutation 'R2227:Fbxl20'
ID 239803
Institutional Source Beutler Lab
Gene Symbol Fbxl20
Ensembl Gene ENSMUSG00000020883
Gene Name F-box and leucine-rich repeat protein 20
Synonyms Scrapper, Scr, 4632423N09Rik, Fbl2, 2610511F20Rik, C86145
MMRRC Submission 040228-MU
Accession Numbers
Essential gene? Possibly non essential (E-score: 0.297) question?
Stock # R2227 (G1)
Quality Score 225
Status Not validated
Chromosome 11
Chromosomal Location 97973382-98041229 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 97981675 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Isoleucine to Valine at position 338 (I338V)
Ref Sequence ENSEMBL: ENSMUSP00000099432 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000103143] [ENSMUST00000147971]
AlphaFold Q9CZV8
Predicted Effect probably benign
Transcript: ENSMUST00000103143
AA Change: I338V

PolyPhen 2 Score 0.119 (Sensitivity: 0.93; Specificity: 0.86)
SMART Domains Protein: ENSMUSP00000099432
Gene: ENSMUSG00000020883
AA Change: I338V

DomainStartEndE-ValueType
FBOX 28 68 2.62e-8 SMART
LRR 90 115 2.02e-1 SMART
LRR 116 141 1.77e1 SMART
LRR 142 167 7.9e-4 SMART
LRR_CC 168 193 4.61e-5 SMART
LRR 194 219 7.15e-2 SMART
LRR 220 245 1.67e-2 SMART
LRR 246 271 1.2e-3 SMART
LRR 272 297 2.61e-4 SMART
LRR 298 323 1.26e-2 SMART
LRR_CC 324 349 1.77e-6 SMART
LRR 353 377 6.06e2 SMART
LRR 378 403 2.14e0 SMART
Predicted Effect noncoding transcript
Transcript: ENSMUST00000135969
Predicted Effect probably benign
Transcript: ENSMUST00000147971
SMART Domains Protein: ENSMUSP00000123507
Gene: ENSMUSG00000020883

DomainStartEndE-ValueType
LRR 14 39 7.15e-2 SMART
LRR 40 65 1.67e-2 SMART
LRR 66 91 1.2e-3 SMART
Coding Region Coverage
  • 1x: 99.1%
  • 3x: 98.5%
  • 10x: 97.1%
  • 20x: 94.3%
Validation Efficiency
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] Members of the F-box protein family, such as FBXL20, are characterized by an approximately 40-amino acid F-box motif. SCF complexes, formed by SKP1 (MIM 601434), cullin (see CUL1; MIM 603134), and F-box proteins, act as protein-ubiquitin ligases. F-box proteins interact with SKP1 through the F box, and they interact with ubiquitination targets through other protein interaction domains (Jin et al., 2004 [PubMed 15520277]).[supplied by OMIM, Mar 2008]
PHENOTYPE: Mice homozygous for a null allele exhibit some embryonic lethality, shortened lifespans, decreased body size and altered CNS synaptic transmission. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 48 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
4930563I02Rik T A 14: 60,325,668 (GRCm39) probably benign Het
Abtb1 A C 6: 88,813,349 (GRCm39) L439R probably damaging Het
Adcy10 A G 1: 165,345,829 (GRCm39) T293A probably damaging Het
Agl A T 3: 116,581,961 (GRCm39) V306D possibly damaging Het
Alpk2 T A 18: 65,511,147 (GRCm39) T17S probably damaging Het
Ar T A X: 97,194,937 (GRCm39) M517K probably benign Het
Atg9b A G 5: 24,591,393 (GRCm39) V735A possibly damaging Het
BB014433 C A 8: 15,091,717 (GRCm39) A379S probably benign Het
Ccdc33 A G 9: 57,989,305 (GRCm39) S123P probably damaging Het
Ccl2 G T 11: 81,927,427 (GRCm39) probably null Het
Cct2 T C 10: 116,888,922 (GRCm39) R526G probably null Het
Cep55 T C 19: 38,051,082 (GRCm39) M164T probably benign Het
Clec2d G A 6: 129,161,214 (GRCm39) A104T probably benign Het
Cyp3a11 A G 5: 145,805,357 (GRCm39) L220P possibly damaging Het
Dgkk T A X: 6,741,487 (GRCm39) D102E probably damaging Het
Emcn T C 3: 137,109,778 (GRCm39) I140T possibly damaging Het
Exoc2 T A 13: 31,048,867 (GRCm39) I729L probably benign Het
Gucy2c G A 6: 136,679,758 (GRCm39) T943I probably damaging Het
Hdac9 C T 12: 34,457,801 (GRCm39) V251I probably benign Het
Hoxa10 T C 6: 52,209,616 (GRCm39) E52G probably damaging Het
Il17rb A T 14: 29,728,038 (GRCm39) S56R probably benign Het
Knl1 A G 2: 118,902,481 (GRCm39) D1394G probably damaging Het
Kpna1 G A 16: 35,851,591 (GRCm39) A392T probably damaging Het
Krt6b A G 15: 101,587,557 (GRCm39) V179A probably damaging Het
Lpar5 A T 6: 125,058,098 (GRCm39) probably null Het
Marchf7 A G 2: 60,060,190 (GRCm39) R106G probably benign Het
Mtus1 C T 8: 41,535,812 (GRCm39) V635M probably damaging Het
Myl1 T C 1: 66,983,974 (GRCm39) K31E possibly damaging Het
Myt1l T A 12: 29,876,969 (GRCm39) L207I unknown Het
Naalad2 A T 9: 18,287,829 (GRCm39) V267E possibly damaging Het
Pkhd1l1 T C 15: 44,376,188 (GRCm39) I950T possibly damaging Het
Ppp1r9a G T 6: 5,154,074 (GRCm39) R1081L probably benign Het
Rc3h1 T C 1: 160,791,112 (GRCm39) I932T probably benign Het
Rubcnl G A 14: 75,279,832 (GRCm39) R405Q probably benign Het
Saxo5 A G 8: 3,529,249 (GRCm39) T245A probably benign Het
Sgsm3 A G 15: 80,888,069 (GRCm39) E53G probably damaging Het
Slco1a8 T G 6: 141,938,087 (GRCm39) E277D possibly damaging Het
Spin2g A T X: 33,656,599 (GRCm39) I171N possibly damaging Het
Srsf6 G A 2: 162,773,619 (GRCm39) S10N probably damaging Het
Tesl2 T A X: 23,825,173 (GRCm39) M1L probably null Het
Thoc2l T A 5: 104,667,286 (GRCm39) Y603N probably damaging Het
Tnn A T 1: 159,975,035 (GRCm39) C131S probably damaging Het
Tnnt2 A G 1: 135,771,529 (GRCm39) probably benign Het
Tns2 C T 15: 102,017,369 (GRCm39) R281C probably damaging Het
Vmn1r86 T C 7: 12,836,847 (GRCm39) I10V probably benign Het
Xpot T C 10: 121,458,765 (GRCm39) R20G probably damaging Het
Zfp735 T A 11: 73,602,222 (GRCm39) L389I possibly damaging Het
Zfp735 T G 11: 73,602,223 (GRCm39) L389* probably null Het
Other mutations in Fbxl20
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00160:Fbxl20 APN 11 97,981,500 (GRCm39) missense possibly damaging 0.70
IGL00161:Fbxl20 APN 11 97,981,500 (GRCm39) missense possibly damaging 0.70
IGL00590:Fbxl20 APN 11 97,983,955 (GRCm39) missense probably damaging 1.00
IGL00944:Fbxl20 APN 11 98,004,068 (GRCm39) missense probably damaging 1.00
IGL00966:Fbxl20 APN 11 98,001,800 (GRCm39) missense probably damaging 1.00
IGL01344:Fbxl20 APN 11 97,990,926 (GRCm39) nonsense probably null
IGL02394:Fbxl20 APN 11 98,004,082 (GRCm39) missense probably damaging 1.00
R0270:Fbxl20 UTSW 11 97,989,329 (GRCm39) splice site probably benign
R1564:Fbxl20 UTSW 11 97,989,312 (GRCm39) missense probably damaging 1.00
R3902:Fbxl20 UTSW 11 97,987,861 (GRCm39) missense probably benign 0.03
R4158:Fbxl20 UTSW 11 97,986,220 (GRCm39) unclassified probably benign
R4516:Fbxl20 UTSW 11 97,986,061 (GRCm39) unclassified probably benign
R4916:Fbxl20 UTSW 11 98,019,186 (GRCm39) missense probably damaging 1.00
R5905:Fbxl20 UTSW 11 98,006,271 (GRCm39) missense probably damaging 1.00
R6791:Fbxl20 UTSW 11 98,000,336 (GRCm39) missense probably benign 0.05
R6916:Fbxl20 UTSW 11 98,004,079 (GRCm39) missense possibly damaging 0.78
R7381:Fbxl20 UTSW 11 97,981,614 (GRCm39) missense probably benign 0.01
R7536:Fbxl20 UTSW 11 97,986,209 (GRCm39) nonsense probably null
X0067:Fbxl20 UTSW 11 97,987,804 (GRCm39) missense probably benign 0.45
Predicted Primers PCR Primer
(F):5'- CATCAGTGCTCTTTACCCTGAG -3'
(R):5'- GGCAGTGAGTCAGTCAGTTC -3'

Sequencing Primer
(F):5'- GAGTCTCTTGATGCCAGCC -3'
(R):5'- GAGTCAGTCAGTTCTGATTTATAGTC -3'
Posted On 2014-10-15