Incidental Mutation 'PIT4402001:Tjp2'
ID 555550
Institutional Source Beutler Lab
Gene Symbol Tjp2
Ensembl Gene ENSMUSG00000024812
Gene Name tight junction protein 2
Synonyms ZO-2
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # PIT4402001 (G1)
Quality Score 192.009
Status Not validated
Chromosome 19
Chromosomal Location 24071869-24202394 bp(-) (GRCm39)
Type of Mutation nonsense
DNA Base Change (assembly) C to A at 24075493 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Glycine to Stop codon at position 1042 (G1042*)
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 null
Transcript: ENSMUST00000099558
AA Change: G1042*
SMART Domains Protein: ENSMUSP00000097154
Gene: ENSMUSG00000024812
AA Change: G1042*

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: 92.8%
  • 3x: 90.3%
  • 10x: 83.2%
  • 20x: 68.1%
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: 45 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
1700129C05Rik T G 14: 59,380,084 (GRCm39) L71F probably damaging Het
Adamts9 C T 6: 92,849,328 (GRCm39) V1044I probably benign Het
Alcam T C 16: 52,115,497 (GRCm39) Y207C probably damaging Het
Aldh4a1 C A 4: 139,369,502 (GRCm39) S351* probably null Het
Aoah C A 13: 20,978,680 (GRCm39) S39R probably benign Het
Arcn1 A T 9: 44,656,899 (GRCm39) V421E possibly damaging Het
Ccdc18 A G 5: 108,306,485 (GRCm39) E300G possibly damaging Het
Cdk2ap2 C A 19: 4,148,557 (GRCm39) R126S probably damaging Het
Dcun1d4 A G 5: 73,668,276 (GRCm39) I39V probably benign Het
Fam53b A T 7: 132,361,746 (GRCm39) I94N probably damaging Het
Fam83g A G 11: 61,594,422 (GRCm39) H652R probably damaging Het
Fanca A T 8: 124,039,803 (GRCm39) M157K possibly damaging Het
Flt1 A T 5: 147,615,049 (GRCm39) I299N probably damaging Het
Gm10800 CAAGAAAACTGAAAATCAAAGAAAACTGAAAATCA CAAGAAAACTGAAAATCA 2: 98,497,361 (GRCm39) probably null Het
Gns A G 10: 121,212,611 (GRCm39) Y191C probably damaging Het
Grin2a T C 16: 9,462,063 (GRCm39) T690A possibly damaging Het
Gsk3b C T 16: 37,909,763 (GRCm39) probably benign Het
Igsf10 A G 3: 59,233,000 (GRCm39) V1911A probably benign Het
Igsf3 A G 3: 101,334,393 (GRCm39) K157E probably benign Het
Inpp5a T C 7: 139,091,369 (GRCm39) Y118H probably benign Het
Kmt2a A G 9: 44,752,359 (GRCm39) V1413A unknown Het
Mettl9 T A 7: 120,656,440 (GRCm39) V190E probably damaging Het
Mrps9 T C 1: 42,935,258 (GRCm39) L188P probably benign Het
Myo9a A T 9: 59,777,719 (GRCm39) R1158S possibly damaging Het
Nacad T G 11: 6,548,621 (GRCm39) Q1371P probably benign Het
Ncoa1 T C 12: 4,344,987 (GRCm39) M787V probably benign Het
Noxred1 A T 12: 87,273,855 (GRCm39) I62K probably benign Het
Or1j4 A T 2: 36,740,316 (GRCm39) H86L probably benign Het
Or2d3b T A 7: 106,514,294 (GRCm39) D296E possibly damaging Het
Or2y17 A G 11: 49,232,226 (GRCm39) Y289C probably damaging Het
Or52d1 A G 7: 103,755,657 (GRCm39) Y57C probably damaging Het
Otud6b A G 4: 14,818,185 (GRCm39) Y239H probably damaging Het
Pank1 A G 19: 34,818,366 (GRCm39) Y233H probably damaging Het
Pccb G T 9: 100,877,645 (GRCm39) D286E probably benign Het
Plek A C 11: 16,940,121 (GRCm39) L196R probably benign Het
Pou6f2 T C 13: 18,299,931 (GRCm39) H576R Het
Rbm47 T A 5: 66,184,354 (GRCm39) Y83F probably damaging Het
Rbm6 A T 9: 107,665,049 (GRCm39) Y787N probably damaging Het
Slc8a2 C A 7: 15,868,419 (GRCm39) A217E probably damaging Het
Suox G A 10: 128,507,164 (GRCm39) A288V probably damaging Het
Tbccd1 T C 16: 22,640,873 (GRCm39) I501M probably damaging Het
Tmtc2 T C 10: 105,249,268 (GRCm39) Y155C probably damaging Het
Usp7 T C 16: 8,516,359 (GRCm39) N600S probably benign Het
Zer1 T C 2: 29,991,132 (GRCm39) I699V probably damaging Het
Zfp142 A G 1: 74,618,687 (GRCm39) F227S 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
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
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'- ATCTTGAAACTCTCACACGGG -3'
(R):5'- GTCAAAGGCATGCTGTTGCTC -3'

Sequencing Primer
(F):5'- TCTCACACGGGGCAAGCTAAG -3'
(R):5'- TCTCTGCAGGCAAGAAGC -3'
Posted On 2019-06-07