Incidental Mutation 'R4079:Tjp2'
ID 316786
Institutional Source Beutler Lab
Gene Symbol Tjp2
Ensembl Gene ENSMUSG00000024812
Gene Name tight junction protein 2
Synonyms ZO-2
MMRRC Submission 040976-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R4079 (G1)
Quality Score 225
Status Validated
Chromosome 19
Chromosomal Location 24071869-24202394 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to T at 24086182 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Valine to Glutamic Acid at position 780 (V780E)
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: V780E

PolyPhen 2 Score 0.905 (Sensitivity: 0.82; Specificity: 0.94)
SMART Domains Protein: ENSMUSP00000097154
Gene: ENSMUSG00000024812
AA Change: V780E

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 0.9690 question?
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.6%
  • 10x: 97.4%
  • 20x: 95.5%
Validation Efficiency 97% (73/75)
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: 65 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Ago3 C G 4: 126,247,473 (GRCm39) probably null Het
Ankfy1 C A 11: 72,580,835 (GRCm39) probably benign Het
Ap4b1 T A 3: 103,720,694 (GRCm39) N121K probably damaging Het
Arhgef12 T C 9: 42,886,588 (GRCm39) M1131V probably damaging Het
Arl5c A T 11: 97,884,327 (GRCm39) I88N probably damaging Het
Armc9 A T 1: 86,140,851 (GRCm39) probably benign Het
Bnc1 T C 7: 81,623,508 (GRCm39) E573G probably damaging Het
Btaf1 A G 19: 36,963,879 (GRCm39) T817A probably benign Het
C3 C T 17: 57,512,303 (GRCm39) D1542N possibly damaging Het
Cadm3 A G 1: 173,169,236 (GRCm39) V293A probably benign Het
Cadps C T 14: 12,457,702 (GRCm38) A1060T probably benign Het
Cbfa2t3 A G 8: 123,374,434 (GRCm39) probably null Het
Ccdc18 C T 5: 108,306,394 (GRCm39) Q270* probably null Het
Cdc45 A T 16: 18,630,110 (GRCm39) V19D probably damaging Het
Cfap57 C A 4: 118,456,194 (GRCm39) S500I probably benign Het
Cnga3 A T 1: 37,280,946 (GRCm39) Q47L possibly damaging Het
Corin T C 5: 72,661,226 (GRCm39) D89G probably benign Het
Cox16 A T 12: 81,521,109 (GRCm39) probably benign Het
Cyp2a4 A G 7: 26,006,791 (GRCm39) N50S probably benign Het
Diaph1 T A 18: 37,986,636 (GRCm39) E1116D possibly damaging Het
Dlg5 T C 14: 24,198,328 (GRCm39) D1535G possibly damaging Het
Enpp1 A G 10: 24,544,905 (GRCm39) probably null Het
F13b T A 1: 139,429,508 (GRCm39) F9I unknown Het
Fcer1a C T 1: 173,052,920 (GRCm39) C36Y probably damaging Het
Fcho2 A G 13: 98,892,120 (GRCm39) V318A probably damaging Het
Fzd9 A G 5: 135,278,490 (GRCm39) V465A probably benign Het
Hbs1l T C 10: 21,228,501 (GRCm39) V493A probably damaging Het
Hgs T A 11: 120,373,874 (GRCm39) S723T probably benign Het
Hnrnpul1 C T 7: 25,426,300 (GRCm39) R517Q probably damaging Het
Kpna7 A G 5: 144,942,737 (GRCm39) I83T possibly damaging Het
Llgl1 C A 11: 60,601,110 (GRCm39) probably null Het
Lrig3 A C 10: 125,845,656 (GRCm39) E695A probably damaging Het
Lrpap1 A G 5: 35,253,381 (GRCm39) I261T possibly damaging Het
Mfn1 T G 3: 32,596,998 (GRCm39) L152W probably damaging Het
Mog A G 17: 37,323,302 (GRCm39) F212S probably damaging Het
Mpeg1 A G 19: 12,439,634 (GRCm39) N364S probably damaging Het
Mtmr3 C T 11: 4,441,057 (GRCm39) R531Q probably damaging Het
Mx2 A G 16: 97,357,236 (GRCm39) N443S probably damaging Het
Nfatc3 T C 8: 106,806,123 (GRCm39) Y323H probably damaging Het
Nup188 G A 2: 30,199,890 (GRCm39) D305N probably damaging Het
Obscn A G 11: 58,929,189 (GRCm39) V6145A probably benign Het
Or52x1 A T 7: 104,853,228 (GRCm39) H107Q probably damaging Het
Or8u10 A G 2: 85,915,656 (GRCm39) V155A possibly damaging Het
Patl1 C T 19: 11,908,994 (GRCm39) A467V probably damaging Het
Pdss2 A T 10: 43,278,518 (GRCm39) M342L probably benign Het
Phax A G 18: 56,709,051 (GRCm39) N183S possibly damaging Het
Pnck A T X: 72,701,761 (GRCm39) V93E probably damaging Het
Prol1 A G 5: 88,476,075 (GRCm39) N155S unknown Het
Ptprk G A 10: 28,139,508 (GRCm39) V78I probably benign Het
Ptpru A T 4: 131,526,021 (GRCm39) probably null Het
Ptprv A G 1: 135,038,168 (GRCm39) noncoding transcript Het
Ranbp3l A G 15: 9,060,838 (GRCm39) N233S probably damaging Het
Rapgefl1 A G 11: 98,740,803 (GRCm39) T552A probably benign Het
Rasgrp1 A G 2: 117,115,510 (GRCm39) S693P probably benign Het
Scyl2 A T 10: 89,476,458 (GRCm39) M889K probably benign Het
Serpina3a C T 12: 104,085,934 (GRCm39) Q320* probably null Het
Slc12a1 A T 2: 125,042,543 (GRCm39) N733I possibly damaging Het
Snap47 C T 11: 59,319,377 (GRCm39) V254I probably benign Het
Speer4e2 A T 5: 15,027,663 (GRCm39) L71Q probably damaging Het
St6galnac2 A T 11: 116,572,724 (GRCm39) L244Q possibly damaging Het
Syce1 C A 7: 140,359,809 (GRCm39) L83F probably damaging Het
Tns1 G A 1: 74,034,467 (GRCm39) R192C probably damaging Het
Trav6-3 T C 14: 53,667,537 (GRCm39) L3P possibly damaging Het
Ung G T 5: 114,268,684 (GRCm39) probably null Het
Usp32 T A 11: 84,930,055 (GRCm39) Y574F probably damaging 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
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
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'- GATAAGCTCCTGATTGCTCATTCTG -3'
(R):5'- AAGGTCACTGCCATCCTTCTG -3'

Sequencing Primer
(F):5'- TCATTCTGAGCGTGGGCC -3'
(R):5'- CCTGGGCTACGTAATGACTTCAAG -3'
Posted On 2015-05-15