Incidental Mutation 'R1185:Tjp2'
ID 165272
Institutional Source Beutler Lab
Gene Symbol Tjp2
Ensembl Gene ENSMUSG00000024812
Gene Name tight junction protein 2
Synonyms ZO-2
MMRRC Submission 039257-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R1185 (G1)
Quality Score 128
Status Not validated
Chromosome 19
Chromosomal Location 24071869-24202394 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 24108527 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Leucine to Proline at position 195 (L195P)
Ref Sequence ENSEMBL: ENSMUSP00000097154 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000099558]
AlphaFold Q9Z0U1
PDB Structure Solution structure of N-terminal PDZ domain from mouse TJP2 [SOLUTION NMR]
Predicted Effect possibly damaging
Transcript: ENSMUST00000099558
AA Change: L195P

PolyPhen 2 Score 0.674 (Sensitivity: 0.86; Specificity: 0.92)
SMART Domains Protein: ENSMUSP00000097154
Gene: ENSMUSG00000024812
AA Change: L195P

DomainStartEndE-ValueType
PDZ 19 97 1.25e-15 SMART
low complexity region 163 178 N/A INTRINSIC
low complexity region 181 202 N/A INTRINSIC
low complexity region 209 226 N/A INTRINSIC
low complexity region 253 276 N/A INTRINSIC
PDZ 297 365 8.73e-15 SMART
low complexity region 377 390 N/A INTRINSIC
PDZ 499 572 1.57e-16 SMART
SH3 587 648 1.07e-2 SMART
GuKc 672 861 3.25e-42 SMART
low complexity region 969 980 N/A INTRINSIC
low complexity region 1037 1049 N/A INTRINSIC
coiled coil region 1063 1090 N/A INTRINSIC
Meta Mutation Damage Score 0.0611 question?
Coding Region Coverage
  • 1x: 99.6%
  • 3x: 98.3%
  • 10x: 93.0%
  • 20x: 79.2%
Validation Efficiency
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This gene encodes a zonula occluden that is a member of the membrane-associated guanylate kinase homolog family. The encoded protein functions as a component of the tight junction barrier in epithelial and endothelial cells and is necessary for proper assembly of tight junctions. Mutations in this gene have been identified in patients with hypercholanemia, and genomic duplication of a 270 kb region including this gene causes autosomal dominant deafness-51. Alternatively spliced transcripts encoding multiple isoforms have been observed for this gene. [provided by RefSeq, Nov 2011]
PHENOTYPE: Homozygous mutation of this gene results in lethality shortly after implantation due to arrest in early gastrulation. Structure and permeability barrier of the apical junctional complex are altered in cells. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 40 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Ac165356.1 C T 7: 105,682,686 (GRCm39) A190T probably benign Het
Aimp2 A G 5: 143,841,509 (GRCm39) S110P possibly damaging Het
Akap9 A G 5: 3,998,783 (GRCm39) T51A probably benign Het
Arhgef25 A G 10: 127,019,650 (GRCm39) F430L possibly damaging Het
Brap T C 5: 121,813,342 (GRCm39) V235A probably damaging Het
Cd69 C T 6: 129,247,148 (GRCm39) G23D probably damaging Het
Cecr2 C T 6: 120,735,166 (GRCm39) R24* probably null Het
Celsr2 T C 3: 108,307,025 (GRCm39) D1974G possibly damaging Het
Cps1 A G 1: 67,234,358 (GRCm39) K915R probably benign Het
Csmd1 T C 8: 16,408,362 (GRCm39) D401G probably damaging Het
Dusp13b A G 14: 21,785,086 (GRCm39) F141S probably damaging Het
Eif1ad19 A G 12: 87,740,478 (GRCm39) V27A probably benign Het
Fam162b A G 10: 51,466,439 (GRCm39) W27R probably benign Het
Focad A G 4: 88,096,424 (GRCm39) T269A probably benign Het
Ghr T A 15: 3,357,544 (GRCm39) R241S possibly damaging Het
Hirip3 AAGAG AAG 7: 126,462,832 (GRCm39) probably null Het
Itgb2l A G 16: 96,230,240 (GRCm39) Y357H possibly damaging Het
Jrkl T C 9: 13,244,938 (GRCm39) D241G possibly damaging Het
Lmod1 A G 1: 135,291,967 (GRCm39) D274G probably benign Het
Lrrn2 A G 1: 132,866,959 (GRCm39) S675G probably benign Het
Ltbp4 G C 7: 27,009,960 (GRCm39) P1200R probably damaging Het
Mdn1 T C 4: 32,735,576 (GRCm39) L3414P possibly damaging Het
Muc19 A G 15: 91,762,743 (GRCm39) noncoding transcript Het
Neb A G 2: 52,186,310 (GRCm39) Y921H probably damaging Het
Or2n1c T A 17: 38,520,074 (GRCm39) *313R probably null Het
Pgap3 T C 11: 98,281,960 (GRCm39) D117G probably damaging Het
Ppp1r9b T C 11: 94,892,812 (GRCm39) F671L possibly damaging Het
Purg T G 8: 33,876,897 (GRCm39) Y178* probably null Het
Rsph10b G A 5: 143,903,280 (GRCm39) probably benign Het
Sorbs1 T A 19: 40,371,050 (GRCm39) D79V probably damaging Het
Tcaf3 T C 6: 42,568,368 (GRCm39) T663A probably damaging Het
Timd4 C A 11: 46,708,475 (GRCm39) T167K probably damaging Het
Tnr G A 1: 159,679,856 (GRCm39) A277T probably benign Het
Trpm3 G A 19: 22,891,781 (GRCm39) probably benign Het
Unc13a C T 8: 72,114,477 (GRCm39) G181D probably benign Het
Vmn1r11 T A 6: 57,114,492 (GRCm39) L52Q possibly damaging Het
Vmn2r125 C A 4: 156,703,396 (GRCm39) A258D probably benign Het
Zfp27 T C 7: 29,595,254 (GRCm39) D237G possibly damaging Het
Zfp39 T C 11: 58,793,670 (GRCm39) T23A possibly damaging Het
Zfp459 T G 13: 67,556,600 (GRCm39) N161T probably benign Het
Other mutations in Tjp2
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL01151:Tjp2 APN 19 24,116,174 (GRCm39) missense possibly damaging 0.89
IGL01412:Tjp2 APN 19 24,078,139 (GRCm39) missense probably damaging 0.99
IGL01681:Tjp2 APN 19 24,112,213 (GRCm39) critical splice donor site probably null
IGL02044:Tjp2 APN 19 24,098,204 (GRCm39) missense probably damaging 1.00
IGL02212:Tjp2 APN 19 24,116,150 (GRCm39) missense probably damaging 1.00
IGL02629:Tjp2 APN 19 24,099,743 (GRCm39) splice site probably benign
IGL02819:Tjp2 APN 19 24,091,469 (GRCm39) missense probably damaging 0.98
IGL02931:Tjp2 APN 19 24,073,996 (GRCm39) missense probably benign 0.11
PIT4402001:Tjp2 UTSW 19 24,075,493 (GRCm39) nonsense probably null
R0032:Tjp2 UTSW 19 24,086,059 (GRCm39) missense probably damaging 1.00
R0667:Tjp2 UTSW 19 24,086,113 (GRCm39) missense probably benign 0.36
R0674:Tjp2 UTSW 19 24,108,680 (GRCm39) missense probably benign 0.37
R0749:Tjp2 UTSW 19 24,099,636 (GRCm39) missense possibly damaging 0.67
R1185:Tjp2 UTSW 19 24,108,527 (GRCm39) missense possibly damaging 0.67
R1185:Tjp2 UTSW 19 24,108,527 (GRCm39) missense possibly damaging 0.67
R1563:Tjp2 UTSW 19 24,110,067 (GRCm39) missense probably damaging 0.99
R1571:Tjp2 UTSW 19 24,078,239 (GRCm39) missense probably damaging 1.00
R1624:Tjp2 UTSW 19 24,108,776 (GRCm39) missense probably benign 0.01
R1658:Tjp2 UTSW 19 24,090,311 (GRCm39) missense probably damaging 0.99
R1851:Tjp2 UTSW 19 24,076,899 (GRCm39) missense possibly damaging 0.67
R1968:Tjp2 UTSW 19 24,088,437 (GRCm39) missense probably damaging 0.99
R2068:Tjp2 UTSW 19 24,099,687 (GRCm39) missense probably benign 0.22
R2273:Tjp2 UTSW 19 24,090,171 (GRCm39) missense probably benign
R2994:Tjp2 UTSW 19 24,090,215 (GRCm39) missense probably damaging 1.00
R3767:Tjp2 UTSW 19 24,078,190 (GRCm39) missense probably benign 0.01
R3770:Tjp2 UTSW 19 24,078,190 (GRCm39) missense probably benign 0.01
R4077:Tjp2 UTSW 19 24,086,182 (GRCm39) missense possibly damaging 0.90
R4079:Tjp2 UTSW 19 24,086,182 (GRCm39) missense possibly damaging 0.90
R4505:Tjp2 UTSW 19 24,086,195 (GRCm39) missense possibly damaging 0.50
R4720:Tjp2 UTSW 19 24,078,169 (GRCm39) missense probably damaging 1.00
R4739:Tjp2 UTSW 19 24,097,475 (GRCm39) splice site probably null
R4745:Tjp2 UTSW 19 24,074,030 (GRCm39) missense possibly damaging 0.56
R4858:Tjp2 UTSW 19 24,099,484 (GRCm39) missense probably damaging 1.00
R5290:Tjp2 UTSW 19 24,108,568 (GRCm39) missense probably benign
R5887:Tjp2 UTSW 19 24,073,963 (GRCm39) missense probably benign
R5988:Tjp2 UTSW 19 24,091,464 (GRCm39) missense probably benign
R6144:Tjp2 UTSW 19 24,097,437 (GRCm39) missense probably damaging 0.99
R6163:Tjp2 UTSW 19 24,103,068 (GRCm39) critical splice donor site probably null
R6183:Tjp2 UTSW 19 24,078,155 (GRCm39) missense probably damaging 0.99
R6242:Tjp2 UTSW 19 24,076,967 (GRCm39) splice site probably null
R6683:Tjp2 UTSW 19 24,098,207 (GRCm39) missense probably damaging 0.99
R6866:Tjp2 UTSW 19 24,079,355 (GRCm39) missense probably damaging 0.99
R7025:Tjp2 UTSW 19 24,110,052 (GRCm39) missense probably benign 0.28
R7153:Tjp2 UTSW 19 24,079,345 (GRCm39) missense probably benign 0.40
R7514:Tjp2 UTSW 19 24,088,886 (GRCm39) missense probably benign 0.03
R8004:Tjp2 UTSW 19 24,091,484 (GRCm39) missense probably damaging 1.00
R8505:Tjp2 UTSW 19 24,088,438 (GRCm39) missense probably null 1.00
R8527:Tjp2 UTSW 19 24,088,937 (GRCm39) missense probably damaging 0.99
R8710:Tjp2 UTSW 19 24,072,796 (GRCm39) missense probably damaging 1.00
R9718:Tjp2 UTSW 19 24,078,207 (GRCm39) missense probably damaging 1.00
X0066:Tjp2 UTSW 19 24,075,391 (GRCm39) missense probably damaging 1.00
Z1176:Tjp2 UTSW 19 24,108,729 (GRCm39) missense probably benign 0.00
Z1177:Tjp2 UTSW 19 24,072,824 (GRCm39) missense possibly damaging 0.74
Predicted Primers PCR Primer
(F):5'- TGTTCATGCCGTGACCTAGACTCG -3'
(R):5'- TGAATAGGTGGTCAAGAGACCCCG -3'

Sequencing Primer
(F):5'- TGCGGCTCCGTTCATAG -3'
(R):5'- CAAGAGACCCCGGAAGGTTC -3'
Posted On 2014-03-28