Incidental Mutation 'R6866:Tjp2'
ID 535955
Institutional Source Beutler Lab
Gene Symbol Tjp2
Ensembl Gene ENSMUSG00000024812
Gene Name tight junction protein 2
Synonyms ZO-2
MMRRC Submission 044965-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R6866 (G1)
Quality Score 225.009
Status Not validated
Chromosome 19
Chromosomal Location 24071869-24202394 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 24079355 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Isoleucine to Threonine at position 840 (I840T)
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 probably damaging
Transcript: ENSMUST00000099558
AA Change: I840T

PolyPhen 2 Score 0.993 (Sensitivity: 0.70; Specificity: 0.97)
SMART Domains Protein: ENSMUSP00000097154
Gene: ENSMUSG00000024812
AA Change: I840T

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
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 99.9%
  • 10x: 99.3%
  • 20x: 97.7%
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: 62 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Alms1 A G 6: 85,598,080 (GRCm39) T1438A possibly damaging Het
Als2 T A 1: 59,250,292 (GRCm39) Q484L probably damaging Het
Apeh G A 9: 107,969,878 (GRCm39) H186Y probably damaging Het
Bcl2l13 T A 6: 120,839,850 (GRCm39) N49K probably benign Het
Bptf T C 11: 106,964,406 (GRCm39) D1596G probably damaging Het
Brsk1 T C 7: 4,709,406 (GRCm39) M325T probably damaging Het
Caly T C 7: 139,650,532 (GRCm39) M137V probably benign Het
Cdca2 T C 14: 67,931,115 (GRCm39) E526G possibly damaging Het
Cnga4 A G 7: 105,056,952 (GRCm39) S352G possibly damaging Het
Cntnap5c A C 17: 58,399,289 (GRCm39) T381P probably benign Het
Cr2 T A 1: 194,833,999 (GRCm39) Y633F probably damaging Het
Cryba1 T C 11: 77,610,355 (GRCm39) N120S probably benign Het
Cyfip2 G A 11: 46,133,286 (GRCm39) R805* probably null Het
Dnah7c C A 1: 46,696,403 (GRCm39) P2095Q probably damaging Het
Eif3k T C 7: 28,676,651 (GRCm39) E110G possibly damaging Het
Extl2 T A 3: 115,821,002 (GRCm39) M283K probably damaging Het
Extl2 A G 3: 115,821,001 (GRCm39) M283V probably damaging Het
Focad T C 4: 88,321,623 (GRCm39) I1658T probably benign Het
Fstl5 A T 3: 76,229,532 (GRCm39) H111L probably damaging Het
Garnl3 A G 2: 32,892,785 (GRCm39) probably null Het
Gm3633 T A 14: 42,462,579 (GRCm39) probably benign Het
Il4i1 T A 7: 44,485,963 (GRCm39) probably null Het
Kcnj6 A T 16: 94,563,536 (GRCm39) C321S probably damaging Het
Kif20a A T 18: 34,761,546 (GRCm39) Y313F probably benign Het
Kmt2d T G 15: 98,755,274 (GRCm39) probably benign Het
Kynu T A 2: 43,453,122 (GRCm39) Y48* probably null Het
Ly9 T C 1: 171,432,847 (GRCm39) I55M probably damaging Het
Mgme1 T C 2: 144,118,439 (GRCm39) V237A probably damaging Het
Mmp16 T A 4: 17,853,800 (GRCm39) L27H probably benign Het
Mtres1 ACTGCACCACCT ACT 10: 43,408,721 (GRCm39) probably benign Het
Myh1 A C 11: 67,115,219 (GRCm39) D1918A probably damaging Het
Myo5a G A 9: 75,047,970 (GRCm39) C266Y probably damaging Het
Nckap5l A G 15: 99,324,349 (GRCm39) I718T probably benign Het
Nptx1 A G 11: 119,437,476 (GRCm39) probably null Het
Or56a42-ps1 T A 7: 104,775,825 (GRCm39) M228L probably benign Het
Or5k16 A G 16: 58,736,351 (GRCm39) Y218H probably damaging Het
Or5p76 A G 7: 108,122,377 (GRCm39) F260S probably damaging Het
Phc3 T A 3: 30,968,680 (GRCm39) K783* probably null Het
Pkdrej A T 15: 85,705,082 (GRCm39) C285S probably damaging Het
Pot1b T A 17: 55,960,474 (GRCm39) T619S possibly damaging Het
Pramel32 T A 4: 88,545,977 (GRCm39) D455V probably damaging Het
Psg21 A T 7: 18,386,209 (GRCm39) V259E probably damaging Het
Pvr A C 7: 19,652,555 (GRCm39) I120S probably benign Het
Rbm17 T G 2: 11,602,901 (GRCm39) I68L probably benign Het
Rnf138 C T 18: 21,135,199 (GRCm39) P28L probably damaging Het
Rnf207 C T 4: 152,396,989 (GRCm39) C385Y possibly damaging Het
Serping1 A C 2: 84,600,577 (GRCm39) V255G probably benign Het
Slc25a3 A T 10: 90,955,567 (GRCm39) V91E probably damaging Het
Slc26a8 T C 17: 28,857,455 (GRCm39) D896G probably benign Het
Slc27a5 T A 7: 12,731,443 (GRCm39) T183S probably benign Het
Slc33a1 A T 3: 63,850,744 (GRCm39) F527I probably benign Het
Sting1 T C 18: 35,872,482 (GRCm39) H50R probably damaging Het
Strn4 A T 7: 16,562,710 (GRCm39) D283V probably damaging Het
Sult1e1 G A 5: 87,734,625 (GRCm39) T107I probably damaging Het
Tango6 G A 8: 107,469,104 (GRCm39) probably null Het
Tecrl G T 5: 83,461,161 (GRCm39) P99T probably damaging Het
Ticrr T C 7: 79,343,705 (GRCm39) L1190P possibly damaging Het
Timm50 C T 7: 28,005,370 (GRCm39) R349H probably damaging Het
Tmem45a2 T A 16: 56,867,386 (GRCm39) N105I probably damaging Het
Tsbp1 T A 17: 34,678,935 (GRCm39) C216S possibly damaging Het
Zfp148 T A 16: 33,288,496 (GRCm39) C162S probably damaging Het
Zfp534 T C 4: 147,758,938 (GRCm39) K577R 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
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
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'- TACATTCACTGCCCTCTGGAG -3'
(R):5'- GGTAACACACTGTAGCTCTTTTG -3'

Sequencing Primer
(F):5'- CTCTGGAGGAAGCATCGAGAACAC -3'
(R):5'- CGTGAAAATAAGCTCATACAGTCTG -3'
Posted On 2018-10-18