Incidental Mutation 'IGL01317:Cldn18'
ID 73911
Institutional Source Australian Phenomics Network (link to record)
Gene Symbol Cldn18
Ensembl Gene ENSMUSG00000032473
Gene Name claudin 18
Synonyms
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # IGL01317
Quality Score
Status
Chromosome 9
Chromosomal Location 99572849-99599320 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 99578135 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Threonine to Alanine at position 203 (T203A)
Ref Sequence ENSEMBL: ENSMUSP00000115782 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000035048] [ENSMUST00000112882] [ENSMUST00000131922] [ENSMUST00000136429]
AlphaFold P56857
Predicted Effect probably benign
Transcript: ENSMUST00000035048
AA Change: T203A

PolyPhen 2 Score 0.000 (Sensitivity: 1.00; Specificity: 0.00)
SMART Domains Protein: ENSMUSP00000035048
Gene: ENSMUSG00000032473
AA Change: T203A

DomainStartEndE-ValueType
Pfam:PMP22_Claudin 4 195 1e-28 PFAM
Pfam:Claudin_2 15 197 3e-11 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000112882
AA Change: T203A

PolyPhen 2 Score 0.000 (Sensitivity: 1.00; Specificity: 0.00)
SMART Domains Protein: ENSMUSP00000108503
Gene: ENSMUSG00000032473
AA Change: T203A

DomainStartEndE-ValueType
Pfam:PMP22_Claudin 4 195 4.2e-30 PFAM
Pfam:Claudin_2 15 197 4e-17 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000131922
AA Change: T203A

PolyPhen 2 Score 0.000 (Sensitivity: 1.00; Specificity: 0.00)
SMART Domains Protein: ENSMUSP00000117382
Gene: ENSMUSG00000032473
AA Change: T203A

DomainStartEndE-ValueType
Pfam:PMP22_Claudin 4 195 1.9e-30 PFAM
Pfam:Claudin_2 15 197 1.9e-17 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000136429
AA Change: T203A

PolyPhen 2 Score 0.000 (Sensitivity: 1.00; Specificity: 0.00)
SMART Domains Protein: ENSMUSP00000115782
Gene: ENSMUSG00000032473
AA Change: T203A

DomainStartEndE-ValueType
Pfam:PMP22_Claudin 4 195 4e-29 PFAM
Pfam:Claudin_2 6 197 1e-16 PFAM
Coding Region Coverage
Validation Efficiency
MGI Phenotype FUNCTION: This gene encodes a member of the claudin family. Claudins are integral membrane proteins and components of tight junction strands. Tight junction strands serve as a physical barrier to prevent solutes and water from passing freely through the paracellular space between epithelial or endothelial cell sheets, and also play critical roles in maintaining cell polarity and signal transductions. This gene is a downstream target gene regulated by the T/EBP/NKX2.1 homeodomain transcription factor. Four alternatively spliced transcript variants resulted from alternative promoters and alternative splicing have been identified, which encode two lung-specific isoforms and two stomach-specific isoforms respectively. This gene is also expressed in colons, inner ear and skin, and its expression is increased in both experimental colitis and ulcerative colitis. [provided by RefSeq, Aug 2010]
PHENOTYPE: Mice homozygous for a knock-out allele exhibit increased bone resorption and osteoclast differentiation. Homozygotes for another knock-out allele have impiared alveolarization and alveolar epithelial barrier function. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 51 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Adam32 A T 8: 25,362,597 (GRCm39) D609E probably damaging Het
Aldh3b1 T C 19: 3,968,104 (GRCm39) I352V probably benign Het
Apeh A T 9: 107,963,406 (GRCm39) S605R probably benign Het
Arhgap32 A G 9: 32,168,260 (GRCm39) K748E probably benign Het
Avpr1a T C 10: 122,285,472 (GRCm39) S255P probably benign Het
Cadps2 T A 6: 23,314,172 (GRCm39) D1124V possibly damaging Het
Cask C T X: 13,388,499 (GRCm39) E83K probably damaging Het
Cep170b A G 12: 112,704,078 (GRCm39) Y670C probably damaging Het
Chd3 A G 11: 69,244,037 (GRCm39) Y1343H probably damaging Het
Cit T A 5: 116,046,775 (GRCm39) V396D probably benign Het
Dido1 A C 2: 180,313,550 (GRCm39) N907K probably benign Het
Dmbt1 T A 7: 130,642,921 (GRCm39) D246E probably damaging Het
Dph1 T C 11: 75,071,486 (GRCm39) H303R probably benign Het
Dspp T A 5: 104,321,914 (GRCm39) Y8N probably damaging Het
Efhc2 C T X: 17,071,198 (GRCm39) probably benign Het
Fam171a1 T A 2: 3,203,663 (GRCm39) V215E probably damaging Het
Fhip1a T C 3: 85,580,153 (GRCm39) D684G probably benign Het
Foxm1 T A 6: 128,344,316 (GRCm39) M22K probably damaging Het
Gdpd4 A C 7: 97,647,465 (GRCm39) M371L possibly damaging Het
Hdac9 T C 12: 34,479,488 (GRCm39) probably benign Het
Heatr1 T A 13: 12,413,908 (GRCm39) W162R probably damaging Het
Hydin A T 8: 111,053,078 (GRCm39) D250V probably damaging Het
Itga4 T A 2: 79,153,005 (GRCm39) C897* probably null Het
Itprid1 G T 6: 55,944,790 (GRCm39) A504S possibly damaging Het
Kcnd2 T C 6: 21,727,339 (GRCm39) *631Q probably null Het
Kcnn2 A G 18: 45,693,694 (GRCm39) probably null Het
Lama1 A T 17: 68,125,696 (GRCm39) E2951V probably damaging Het
Lyst A G 13: 13,845,455 (GRCm39) Q1944R probably benign Het
Mmp14 A G 14: 54,673,247 (GRCm39) T52A possibly damaging Het
Mrgpra1 A T 7: 46,985,372 (GRCm39) N102K probably benign Het
Mrpl28 G A 17: 26,344,489 (GRCm39) G205D probably damaging Het
Mtmr4 T C 11: 87,493,230 (GRCm39) probably benign Het
Oog2 A G 4: 143,921,837 (GRCm39) N249S probably benign Het
Or4f57 T A 2: 111,790,620 (GRCm39) H266L possibly damaging Het
Ppp6r2 T A 15: 89,170,131 (GRCm39) V882E possibly damaging Het
Qser1 A C 2: 104,617,324 (GRCm39) Y1073D probably damaging Het
Rbl2 C A 8: 91,826,685 (GRCm39) D480E probably damaging Het
Rfx7 G A 9: 72,525,818 (GRCm39) G1003S probably damaging Het
Rrh A C 3: 129,616,074 (GRCm39) F20V possibly damaging Het
Rwdd3 A G 3: 120,965,282 (GRCm39) I15T possibly damaging Het
Sestd1 A T 2: 77,022,889 (GRCm39) M493K possibly damaging Het
Slc17a8 T A 10: 89,456,666 (GRCm39) L32F probably benign Het
Slc29a4 A G 5: 142,691,285 (GRCm39) D55G probably benign Het
Tbc1d10a A T 11: 4,162,826 (GRCm39) Y223F probably benign Het
Tbx20 A G 9: 24,681,051 (GRCm39) V147A probably damaging Het
Tmem63c A T 12: 87,118,770 (GRCm39) probably benign Het
Tmtc2 C A 10: 105,249,646 (GRCm39) R29L probably damaging Het
Ttc21b T A 2: 66,018,700 (GRCm39) M1236L probably benign Het
Unc119 T A 11: 78,238,052 (GRCm39) C12S probably damaging Het
Vcan A G 13: 89,839,787 (GRCm39) M1919T probably benign Het
Zmat4 C A 8: 24,392,185 (GRCm39) T47K probably benign Het
Other mutations in Cldn18
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00843:Cldn18 APN 9 99,580,874 (GRCm39) missense probably benign 0.29
IGL01804:Cldn18 APN 9 99,580,901 (GRCm39) nonsense probably null
IGL02112:Cldn18 APN 9 99,580,128 (GRCm39) missense probably benign 0.11
IGL02471:Cldn18 APN 9 99,578,128 (GRCm39) missense probably benign 0.04
IGL02619:Cldn18 APN 9 99,580,988 (GRCm39) missense probably damaging 0.97
R0313:Cldn18 UTSW 9 99,580,967 (GRCm39) missense probably benign 0.00
R5384:Cldn18 UTSW 9 99,591,911 (GRCm39) missense possibly damaging 0.93
R6337:Cldn18 UTSW 9 99,591,995 (GRCm39) missense probably benign 0.09
R6419:Cldn18 UTSW 9 99,574,801 (GRCm39) missense possibly damaging 0.65
R8943:Cldn18 UTSW 9 99,578,162 (GRCm39) missense probably benign 0.01
R9521:Cldn18 UTSW 9 99,581,028 (GRCm39) critical splice acceptor site probably null
R9616:Cldn18 UTSW 9 99,580,915 (GRCm39) missense probably benign 0.15
Z1176:Cldn18 UTSW 9 99,580,900 (GRCm39) missense possibly damaging 0.63
Posted On 2013-10-07