Incidental Mutation 'R8998:Krt18'
ID 684834
Institutional Source Beutler Lab
Gene Symbol Krt18
Ensembl Gene ENSMUSG00000023043
Gene Name keratin 18
Synonyms Endo B, K18, CK18, Krt1-18
MMRRC Submission 068829-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R8998 (G1)
Quality Score 225.009
Status Not validated
Chromosome 15
Chromosomal Location 101936651-101940461 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to C at 101939874 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Glutamic Acid to Aspartic acid at position 357 (E357D)
Ref Sequence ENSEMBL: ENSMUSP00000023803 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000023803]
AlphaFold P05784
Predicted Effect probably damaging
Transcript: ENSMUST00000023803
AA Change: E357D

PolyPhen 2 Score 0.991 (Sensitivity: 0.71; Specificity: 0.97)
SMART Domains Protein: ENSMUSP00000023803
Gene: ENSMUSG00000023043
AA Change: E357D

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: 100.0%
  • 3x: 99.9%
  • 10x: 99.4%
  • 20x: 98.0%
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
Aipl1 T C 11: 71,921,083 (GRCm39) E245G possibly damaging Het
Cd6 A T 19: 10,776,642 (GRCm39) C128S probably damaging Het
Cep41 T C 6: 30,666,165 (GRCm39) D98G probably benign Het
Cfap52 T C 11: 67,818,137 (GRCm39) K525E probably damaging Het
Ddx10 T C 9: 53,140,534 (GRCm39) E289G possibly damaging Het
Dnah1 T C 14: 31,018,235 (GRCm39) T1428A probably benign Het
Dsg3 T C 18: 20,666,684 (GRCm39) L631P probably damaging Het
Dusp19 T A 2: 80,461,271 (GRCm39) C187S probably benign Het
Efcab3 A T 11: 104,640,477 (GRCm39) M1072L probably benign Het
Fap T C 2: 62,367,368 (GRCm39) H338R probably benign Het
Gabrg1 T A 5: 70,973,378 (GRCm39) I59F probably benign Het
Glb1l3 A T 9: 26,764,914 (GRCm39) probably null Het
Igkv8-26 C A 6: 70,170,514 (GRCm39) A35E probably benign Het
Ikzf1 A G 11: 11,635,013 (GRCm39) probably benign Het
Lbr C T 1: 181,646,512 (GRCm39) G470E probably damaging Het
Map2 A T 1: 66,452,473 (GRCm39) K454N possibly damaging Het
Map2k3 T C 11: 60,840,817 (GRCm39) V282A Het
Men1 G A 19: 6,389,960 (GRCm39) V538I probably benign Het
Mfn1 T A 3: 32,623,683 (GRCm39) M621K possibly damaging Het
Mpdz C A 4: 81,202,882 (GRCm39) G1838* probably null Het
Msantd5f9 G C 4: 73,837,420 (GRCm39) N99K probably damaging Het
Mypn A T 10: 62,998,050 (GRCm39) L420* probably null Het
Nkx6-1 T C 5: 101,812,082 (GRCm39) M7V unknown Het
Notum G A 11: 120,545,207 (GRCm39) H451Y probably benign Het
Odad2 C A 18: 7,211,574 (GRCm39) V767L possibly damaging Het
Or11i1 A T 3: 106,728,999 (GRCm39) I292N probably damaging Het
Or2b28 A G 13: 21,531,988 (GRCm39) K297E probably damaging Het
Or6c3 A G 10: 129,309,386 (GRCm39) N275S probably benign Het
Pabpc4l A C 3: 46,400,783 (GRCm39) I287S probably benign Het
Pcdha2 C T 18: 37,073,428 (GRCm39) T353M possibly damaging Het
Plekha1 T C 7: 130,510,199 (GRCm39) I315T unknown Het
Ppp2r2b C T 18: 42,870,993 (GRCm39) A106T probably benign Het
Prkch T C 12: 73,742,973 (GRCm39) V209A probably damaging Het
Ptprc A G 1: 138,028,930 (GRCm39) C284R probably damaging Het
Ptprf A G 4: 118,083,671 (GRCm39) V804A probably benign Het
Rbp3 C T 14: 33,684,360 (GRCm39) R1130* probably null Het
Serpina6 C G 12: 103,617,988 (GRCm39) R275P probably damaging Het
Six3 T A 17: 85,931,164 (GRCm39) H273Q probably benign Het
Stk35 C A 2: 129,652,509 (GRCm39) P337T probably damaging Het
Supt5 A G 7: 28,037,848 (GRCm39) S2P unknown Het
Tnik A G 3: 28,719,920 (GRCm39) Y1264C probably damaging Het
Trim45 A G 3: 100,838,960 (GRCm39) T621A unknown Het
Tyrp1 T C 4: 80,763,094 (GRCm39) L327P probably damaging Het
Vmn2r69 A C 7: 85,060,307 (GRCm39) S426A probably benign 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
R5805:Krt18 UTSW 15 101,939,735 (GRCm39) missense probably benign 0.40
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
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'- AGAGGCATCAAGACCCTTTC -3'
(R):5'- CTGGTGAGTGGTTACCAACAAAC -3'

Sequencing Primer
(F):5'- CCCTTTCAAAGAAGGGTTGAGC -3'
(R):5'- GTGGTTACCAACAAACAGACCTTGG -3'
Posted On 2021-10-11