Incidental Mutation 'R0961:Usp18'
ID 81877
Institutional Source Beutler Lab
Gene Symbol Usp18
Ensembl Gene ENSMUSG00000030107
Gene Name ubiquitin specific peptidase 18
Synonyms UBP43, 1110058H21Rik
MMRRC Submission 039090-MU
Accession Numbers
Essential gene? Possibly essential (E-score: 0.551) question?
Stock # R0961 (G1)
Quality Score 225
Status Validated
Chromosome 6
Chromosomal Location 121222865-121247876 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) G to A at 121238452 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Alanine to Threonine at position 200 (A200T)
Ref Sequence ENSEMBL: ENSMUSP00000032198 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000032198]
AlphaFold Q9WTV6
Predicted Effect probably benign
Transcript: ENSMUST00000032198
AA Change: A200T

PolyPhen 2 Score 0.003 (Sensitivity: 0.98; Specificity: 0.44)
SMART Domains Protein: ENSMUSP00000032198
Gene: ENSMUSG00000030107
AA Change: A200T

DomainStartEndE-ValueType
Pfam:UCH 51 363 3.1e-41 PFAM
Pfam:UCH_1 52 335 6.5e-24 PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000203718
Predicted Effect noncoding transcript
Transcript: ENSMUST00000204926
Meta Mutation Damage Score 0.0898 question?
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.3%
  • 10x: 95.6%
  • 20x: 89.7%
Validation Efficiency 100% (60/60)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] The protein encoded by this gene belongs to the ubiquitin-specific proteases (UBP) family of enzymes that cleave ubiquitin from ubiquitinated protein substrates. It is highly expressed in liver and thymus, and is localized to the nucleus. This protein efficiently cleaves only ISG15 (a ubiquitin-like protein) fusions, and deletion of this gene in mice results in a massive increase of ISG15 conjugates in tissues, indicating that this protein is a major ISG15-specific protease. Mice lacking this gene are also hypersensitive to interferon, suggesting a function of this protein in downregulating interferon responses, independent of its isopeptidase activity towards ISG15. [provided by RefSeq, Sep 2011]
PHENOTYPE: Homozygous null mutants die prematurely with cellular necrosis in the ependyma, breakdown of blood-brain barrier, hydrocephaly with enlarged ventricles, and severe neurological abnormalities. Mice homozygous for an ENU-induced allele exhibit increased susceptibility to Salmonella infection and LPS. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 57 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
4921509C19Rik A C 2: 151,314,686 (GRCm39) S331A probably benign Het
4930433I11Rik A T 7: 40,642,480 (GRCm39) T141S probably benign Het
4933412E24Rik T C 15: 59,887,160 (GRCm39) I427V probably benign Het
Abca15 A T 7: 119,960,208 (GRCm39) K664* probably null Het
Adcy8 A G 15: 64,626,711 (GRCm39) V709A possibly damaging Het
Aox1 T A 1: 58,349,230 (GRCm39) D665E probably benign Het
Arhgap22 C T 14: 33,089,070 (GRCm39) T352M probably damaging Het
Atg9a G A 1: 75,163,390 (GRCm39) L237F probably damaging Het
Ccdc178 T G 18: 22,152,098 (GRCm39) K672T possibly damaging Het
Ccdc63 T G 5: 122,249,009 (GRCm39) K440T possibly damaging Het
Cd55b A T 1: 130,341,813 (GRCm39) W275R probably damaging Het
Col4a3 T C 1: 82,686,297 (GRCm39) probably benign Het
Dmpk C G 7: 18,821,195 (GRCm39) D204E probably damaging Het
Egfr T C 11: 16,812,964 (GRCm39) V148A probably damaging Het
F11 A T 8: 45,694,531 (GRCm39) V610E probably damaging Het
Fam83b A T 9: 76,398,577 (GRCm39) I842N probably damaging Het
Fbxw9 T C 8: 85,788,658 (GRCm39) Y165H probably benign Het
Fzd6 C T 15: 38,889,073 (GRCm39) L64F probably damaging Het
Galntl6 A T 8: 59,364,374 (GRCm39) H45Q probably benign Het
Gbp7 C A 3: 142,247,318 (GRCm39) S276* probably null Het
Gnb5 A T 9: 75,242,933 (GRCm39) I168F probably damaging Het
Gon4l T C 3: 88,805,403 (GRCm39) probably benign Het
Gpat4 C T 8: 23,670,927 (GRCm39) C95Y probably damaging Het
Gstm7 T A 3: 107,834,302 (GRCm39) probably benign Het
Hyal4 A G 6: 24,755,745 (GRCm39) probably benign Het
Iqca1 C A 1: 90,070,453 (GRCm39) G133V probably null Het
Kank4 G A 4: 98,644,756 (GRCm39) R999W probably benign Het
Kdm2a A G 19: 4,379,219 (GRCm39) V92A probably benign Het
Klhl9 T C 4: 88,639,974 (GRCm39) D89G probably benign Het
Klre1 A G 6: 129,559,378 (GRCm39) T103A probably benign Het
Lamc1 CGCTGGC CGC 1: 153,097,392 (GRCm39) probably null Het
Lamc1 G T 1: 153,097,446 (GRCm39) L1533I probably benign Het
Lca5l T C 16: 95,962,560 (GRCm39) H455R possibly damaging Het
Lmo7 C A 14: 102,031,705 (GRCm39) T33K probably benign Het
Lrig1 A G 6: 94,640,895 (GRCm39) probably benign Het
Mep1b T A 18: 21,221,786 (GRCm39) Y245* probably null Het
Mettl24 A G 10: 40,686,615 (GRCm39) T331A possibly damaging Het
Mycbp2 A C 14: 103,422,271 (GRCm39) D2467E probably damaging Het
Myo15b T C 11: 115,773,280 (GRCm39) S1871P probably benign Het
Ncbp1 T C 4: 46,165,193 (GRCm39) L502P possibly damaging Het
Npr1 T C 3: 90,366,028 (GRCm39) N588D possibly damaging Het
Or2g7 T A 17: 38,378,814 (GRCm39) Y251N probably damaging Het
Or8k16 A T 2: 85,519,790 (GRCm39) T6S probably benign Het
Oxtr C T 6: 112,454,138 (GRCm39) R42Q probably benign Het
Phactr4 A G 4: 132,105,731 (GRCm39) S112P probably benign Het
R3hdm1 C T 1: 128,121,333 (GRCm39) T279I probably benign Het
Rere A G 4: 150,699,829 (GRCm39) probably benign Het
Ryr1 T A 7: 28,709,122 (GRCm39) E4779V unknown Het
Sh2d4b A G 14: 40,596,139 (GRCm39) V81A probably benign Het
Slc10a5 T C 3: 10,399,484 (GRCm39) H392R probably benign Het
Slc26a4 T C 12: 31,585,618 (GRCm39) T477A probably benign Het
Spata31d1b T C 13: 59,865,618 (GRCm39) V922A possibly damaging Het
Sptan1 T A 2: 29,870,075 (GRCm39) probably null Het
Stard9 A G 2: 120,523,920 (GRCm39) D705G probably benign Het
Tdpoz3 T A 3: 93,734,188 (GRCm39) S288T probably benign Het
Tsga10 A G 1: 37,800,509 (GRCm39) probably null Het
Zfp759 A T 13: 67,287,927 (GRCm39) T493S probably benign Het
Other mutations in Usp18
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00963:Usp18 APN 6 121,232,341 (GRCm39) nonsense probably null
IGL01403:Usp18 APN 6 121,245,627 (GRCm39) missense possibly damaging 0.67
IGL01411:Usp18 APN 6 121,238,380 (GRCm39) missense probably benign 0.01
IGL01810:Usp18 APN 6 121,230,730 (GRCm39) missense probably damaging 1.00
IGL02568:Usp18 APN 6 121,238,050 (GRCm39) missense probably benign 0.00
IGL02613:Usp18 APN 6 121,238,049 (GRCm39) missense probably benign 0.11
R1350:Usp18 UTSW 6 121,239,651 (GRCm39) missense possibly damaging 0.64
R1855:Usp18 UTSW 6 121,239,076 (GRCm39) missense probably benign 0.07
R1916:Usp18 UTSW 6 121,245,513 (GRCm39) missense probably benign 0.14
R1981:Usp18 UTSW 6 121,229,476 (GRCm39) missense probably benign 0.08
R2015:Usp18 UTSW 6 121,245,509 (GRCm39) missense probably damaging 1.00
R4062:Usp18 UTSW 6 121,238,326 (GRCm39) missense probably benign
R5000:Usp18 UTSW 6 121,229,479 (GRCm39) missense possibly damaging 0.84
R5894:Usp18 UTSW 6 121,238,456 (GRCm39) missense probably benign 0.03
R6006:Usp18 UTSW 6 121,239,781 (GRCm39) missense possibly damaging 0.58
R6932:Usp18 UTSW 6 121,229,473 (GRCm39) missense probably benign 0.01
R7357:Usp18 UTSW 6 121,230,808 (GRCm39) missense possibly damaging 0.90
R8243:Usp18 UTSW 6 121,246,103 (GRCm39) missense probably benign 0.00
R8325:Usp18 UTSW 6 121,230,769 (GRCm39) missense probably damaging 1.00
R9005:Usp18 UTSW 6 121,229,529 (GRCm39) missense probably benign 0.09
R9578:Usp18 UTSW 6 121,239,726 (GRCm39) missense probably benign 0.01
Z1177:Usp18 UTSW 6 121,232,234 (GRCm39) missense probably damaging 1.00
Predicted Primers PCR Primer
(F):5'- TGACTAAGGACCAGATCACGGACAC -3'
(R):5'- TGTACACATGCCAAGGCATAGACAG -3'

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