Incidental Mutation 'R5805:Krt18'
ID 448468
Institutional Source Beutler Lab
Gene Symbol Krt18
Ensembl Gene ENSMUSG00000023043
Gene Name keratin 18
Synonyms Endo B, K18, CK18, Krt1-18
MMRRC Submission 043212-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R5805 (G1)
Quality Score 225
Status Not validated
Chromosome 15
Chromosomal Location 101936651-101940461 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to A at 101939735 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Isoleucine to Asparagine at position 311 (I311N)
Ref Sequence ENSEMBL: ENSMUSP00000023803 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000023803]
AlphaFold P05784
Predicted Effect probably benign
Transcript: ENSMUST00000023803
AA Change: I311N

PolyPhen 2 Score 0.402 (Sensitivity: 0.89; Specificity: 0.89)
SMART Domains Protein: ENSMUSP00000023803
Gene: ENSMUSG00000023043
AA Change: I311N

DomainStartEndE-ValueType
low complexity region 2 12 N/A INTRINSIC
low complexity region 30 68 N/A INTRINSIC
Filament 71 384 3.69e-166 SMART
Coding Region Coverage
  • 1x: 99.3%
  • 3x: 98.7%
  • 10x: 97.4%
  • 20x: 95.6%
Validation Efficiency
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] KRT18 encodes the type I intermediate filament chain keratin 18. Keratin 18, together with its filament partner keratin 8, are perhaps the most commonly found members of the intermediate filament gene family. They are expressed in single layer epithelial tissues of the body. Mutations in this gene have been linked to cryptogenic cirrhosis. Two transcript variants encoding the same protein have been found for this gene. [provided by RefSeq, Jul 2008]
PHENOTYPE: Mice homozygous for disruptions in this gene are viable, fertile, and live normal life spans. They do, however, develop hepatomegaly by 18 months of age. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 44 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abca5 C T 11: 110,170,216 (GRCm39) C1293Y probably benign Het
Adam8 T A 7: 139,565,794 (GRCm39) D611V probably damaging Het
Arhgap33 T C 7: 30,225,839 (GRCm39) T576A probably benign Het
Atf7 A T 15: 102,466,022 (GRCm39) probably null Het
Baiap3 T A 17: 25,466,489 (GRCm39) T464S probably benign Het
Ccdc40 T C 11: 119,136,906 (GRCm39) probably null Het
Celf2 T C 2: 6,558,598 (GRCm39) E430G probably damaging Het
Chia1 A G 3: 106,035,792 (GRCm39) T211A probably damaging Het
Ciz1 T C 2: 32,257,408 (GRCm39) F151S probably damaging Het
Dnm2 A G 9: 21,378,965 (GRCm39) T175A probably damaging Het
Doc2b A G 11: 75,663,364 (GRCm39) S363P probably damaging Het
Garem1 C T 18: 21,281,492 (GRCm39) R288H probably benign Het
Gpr132 G A 12: 112,816,416 (GRCm39) R137C probably damaging Het
Helz2 C A 2: 180,882,301 (GRCm39) C164F probably damaging Het
Itfg1 A T 8: 86,493,601 (GRCm39) S293T probably benign Het
Kcnn2 T A 18: 45,816,198 (GRCm39) D336E probably damaging Het
Kifc2 C T 15: 76,546,353 (GRCm39) A245V probably benign Het
Lypla1 T C 1: 4,900,517 (GRCm39) M7T possibly damaging Het
Mef2a T C 7: 66,901,416 (GRCm39) M285V possibly damaging Het
Micu1 A C 10: 59,663,128 (GRCm39) K353Q possibly damaging Het
Mpv17l A G 16: 13,760,013 (GRCm39) probably benign Het
Ntrk1 G A 3: 87,687,479 (GRCm39) R652W probably damaging Het
Or13a28 T A 7: 140,218,384 (GRCm39) F257I probably benign Het
Or13c7 T C 4: 43,855,152 (GRCm39) I281T probably benign Het
Or4c107 G A 2: 88,788,985 (GRCm39) M58I possibly damaging Het
Pcdh15 C A 10: 74,066,091 (GRCm39) T252K probably damaging Het
Pcsk5 T C 19: 17,434,193 (GRCm39) M1392V probably benign Het
Phf20 T A 2: 156,149,214 (GRCm39) V964E probably damaging Het
Pira13 G A 7: 3,825,622 (GRCm39) L416F probably benign Het
Plcg2 T C 8: 118,325,234 (GRCm39) probably null Het
Rnf10 A T 5: 115,382,127 (GRCm39) C693S probably benign Het
Rnf19b A G 4: 128,952,617 (GRCm39) Y185C probably damaging Het
Ros1 G T 10: 51,999,385 (GRCm39) D1167E probably damaging Het
Sidt2 G A 9: 45,853,497 (GRCm39) S701L probably damaging Het
Slc66a2 C T 18: 80,306,658 (GRCm39) P76L probably damaging Het
Spag1 T C 15: 36,200,430 (GRCm39) I345T probably damaging Het
Srcap T A 7: 127,141,211 (GRCm39) S1603T possibly damaging Het
Stag1 T A 9: 100,678,831 (GRCm39) Y251N probably damaging Het
Stxbp5 T C 10: 9,776,330 (GRCm39) N33S probably benign Het
Tnrc6a T C 7: 122,769,299 (GRCm39) L363P probably damaging Het
U2surp C T 9: 95,361,357 (GRCm39) R591H possibly damaging Het
Usf3 A G 16: 44,041,109 (GRCm39) N1863S possibly damaging Het
Vmn2r15 T C 5: 109,434,806 (GRCm39) I633V possibly damaging Het
Zfp979 T C 4: 147,698,067 (GRCm39) D214G probably damaging Het
Other mutations in Krt18
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL02656:Krt18 APN 15 101,939,357 (GRCm39) missense probably benign 0.07
IGL02666:Krt18 APN 15 101,938,302 (GRCm39) missense probably damaging 1.00
PIT4378001:Krt18 UTSW 15 101,938,358 (GRCm39) missense probably benign 0.20
R0077:Krt18 UTSW 15 101,939,409 (GRCm39) missense probably benign 0.01
R0650:Krt18 UTSW 15 101,937,920 (GRCm39) missense possibly damaging 0.60
R0651:Krt18 UTSW 15 101,937,920 (GRCm39) missense possibly damaging 0.60
R0947:Krt18 UTSW 15 101,939,163 (GRCm39) missense possibly damaging 0.57
R1015:Krt18 UTSW 15 101,939,735 (GRCm39) missense probably benign 0.00
R1219:Krt18 UTSW 15 101,939,723 (GRCm39) splice site probably benign
R1328:Krt18 UTSW 15 101,939,169 (GRCm39) missense probably benign 0.00
R2051:Krt18 UTSW 15 101,937,935 (GRCm39) missense probably benign 0.19
R2082:Krt18 UTSW 15 101,939,455 (GRCm39) splice site probably null
R3735:Krt18 UTSW 15 101,936,936 (GRCm39) missense probably benign 0.39
R4696:Krt18 UTSW 15 101,940,293 (GRCm39) missense probably benign 0.12
R5211:Krt18 UTSW 15 101,939,888 (GRCm39) missense probably damaging 0.97
R5320:Krt18 UTSW 15 101,936,955 (GRCm39) missense probably damaging 0.99
R6736:Krt18 UTSW 15 101,939,204 (GRCm39) missense probably benign 0.38
R7221:Krt18 UTSW 15 101,937,967 (GRCm39) missense possibly damaging 0.66
R7543:Krt18 UTSW 15 101,939,896 (GRCm39) missense probably damaging 0.99
R7873:Krt18 UTSW 15 101,939,391 (GRCm39) missense probably benign 0.06
R7883:Krt18 UTSW 15 101,936,885 (GRCm39) missense possibly damaging 0.63
R8837:Krt18 UTSW 15 101,938,265 (GRCm39) missense possibly damaging 0.50
R8988:Krt18 UTSW 15 101,937,962 (GRCm39) missense probably damaging 1.00
R8998:Krt18 UTSW 15 101,939,874 (GRCm39) missense probably damaging 0.99
R8999:Krt18 UTSW 15 101,939,874 (GRCm39) missense probably damaging 0.99
X0064:Krt18 UTSW 15 101,938,397 (GRCm39) missense probably damaging 0.99
Predicted Primers PCR Primer
(F):5'- TTCCCAATCAAGCGATTCCC -3'
(R):5'- CCTCACTTGTGTGGTTAGCAG -3'

Sequencing Primer
(F):5'- GCGATTCCCTAAGATGAATCACTTC -3'
(R):5'- GGTACCACTCACCTGAAATCTTC -3'
Posted On 2016-12-15