Incidental Mutation 'R8039:Ttyh1'
ID 618404
Institutional Source Beutler Lab
Gene Symbol Ttyh1
Ensembl Gene ENSMUSG00000030428
Gene Name tweety family member 1
Synonyms tty, 4930459B04Rik, 6330408P11Rik
MMRRC Submission 067476-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R8039 (G1)
Quality Score 225.009
Status Not validated
Chromosome 7
Chromosomal Location 4122418-4139206 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 4125540 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Valine to Alanine at position 64 (V64A)
Ref Sequence ENSEMBL: ENSMUSP00000078384 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000032594] [ENSMUST00000079415] [ENSMUST00000119661] [ENSMUST00000129423] [ENSMUST00000153673] [ENSMUST00000206869] [ENSMUST00000206987]
AlphaFold Q9D3A9
Predicted Effect possibly damaging
Transcript: ENSMUST00000032594
AA Change: V31A

PolyPhen 2 Score 0.888 (Sensitivity: 0.82; Specificity: 0.94)
SMART Domains Protein: ENSMUSP00000032594
Gene: ENSMUSG00000030428
AA Change: V31A

DomainStartEndE-ValueType
Pfam:Tweety 1 72 4.7e-17 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000079415
AA Change: V64A

PolyPhen 2 Score 0.009 (Sensitivity: 0.96; Specificity: 0.77)
SMART Domains Protein: ENSMUSP00000078384
Gene: ENSMUSG00000030428
AA Change: V64A

DomainStartEndE-ValueType
Pfam:Tweety 26 428 3.2e-165 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000119661
AA Change: V64A

PolyPhen 2 Score 0.030 (Sensitivity: 0.95; Specificity: 0.82)
SMART Domains Protein: ENSMUSP00000113937
Gene: ENSMUSG00000030428
AA Change: V64A

DomainStartEndE-ValueType
Pfam:Tweety 26 435 1.9e-167 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000129423
AA Change: V64A

PolyPhen 2 Score 0.030 (Sensitivity: 0.95; Specificity: 0.82)
SMART Domains Protein: ENSMUSP00000120182
Gene: ENSMUSG00000030428
AA Change: V64A

DomainStartEndE-ValueType
Pfam:Tweety 26 435 1.9e-167 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000153673
AA Change: V64A

PolyPhen 2 Score 0.060 (Sensitivity: 0.94; Specificity: 0.84)
SMART Domains Protein: ENSMUSP00000115623
Gene: ENSMUSG00000030428
AA Change: V64A

DomainStartEndE-ValueType
Pfam:Tweety 26 103 1.3e-23 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000206869
Predicted Effect probably benign
Transcript: ENSMUST00000206987
AA Change: V64A

PolyPhen 2 Score 0.033 (Sensitivity: 0.95; Specificity: 0.82)
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 99.9%
  • 10x: 99.6%
  • 20x: 98.5%
Validation Efficiency
MGI Phenotype FUNCTION: This gene encodes a member of the Tweety family of membrane proteins. Members of this family contain five predicted transmembrane regions that are arranged in a characteristic pattern. In mouse, the protein is predominantly localized to the endoplasmic reticulum and displays calcium binding activity. Targeted knock out of this gene results in early embryonic lethality prior to the blastocyst stage. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Apr 2015]
PHENOTYPE: Mice homozygous for a null mutation display embryonic lethality before implantation with arrest before the blastocyst stage and mitotic failure. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 86 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abca17 T C 17: 24,547,699 (GRCm39) H225R probably damaging Het
Adgrb2 T A 4: 129,916,061 (GRCm39) L1451Q probably damaging Het
Afdn T C 17: 14,119,403 (GRCm39) L1713P probably damaging Het
Agr2 A T 12: 36,045,558 (GRCm39) I15F probably benign Het
Agrn T C 4: 156,253,468 (GRCm39) T1808A probably benign Het
Akap6 A G 12: 53,188,459 (GRCm39) I1958V probably benign Het
Ankrd60 C A 2: 173,414,284 (GRCm39) probably null Het
Anpep A G 7: 79,489,148 (GRCm39) probably null Het
Apoa4 A T 9: 46,153,591 (GRCm39) D64V possibly damaging Het
Arhgef26 C A 3: 62,247,351 (GRCm39) T145N probably benign Het
Art1 A T 7: 101,756,052 (GRCm39) Q81L probably benign Het
Astl A T 2: 127,185,903 (GRCm39) S71C probably damaging Het
Atp2a1 A G 7: 126,047,977 (GRCm39) I611T probably damaging Het
Bltp1 T A 3: 36,997,363 (GRCm39) V1140E probably benign Het
Cacna2d2 T A 9: 107,404,632 (GRCm39) V1139D possibly damaging Het
Castor1 G T 11: 4,171,639 (GRCm39) A288S probably damaging Het
Chst10 T A 1: 38,905,112 (GRCm39) K198* probably null Het
Ckmt2 G A 13: 92,011,431 (GRCm39) H60Y possibly damaging Het
Coq7 G C 7: 118,132,469 (GRCm39) S2R possibly damaging Het
Cspp1 T A 1: 10,183,238 (GRCm39) D814E probably benign Het
Cyp2c54 CCTCTTTCATAGCTCT CCTCT 19: 40,062,176 (GRCm39) probably null Het
Daam2 C A 17: 49,771,566 (GRCm39) G860V probably damaging Het
Ecm2 A T 13: 49,668,326 (GRCm39) I10F probably benign Het
Epb41l1 A T 2: 156,348,332 (GRCm39) D312V probably damaging Het
Epsti1 G A 14: 78,168,741 (GRCm39) R126H probably damaging Het
Erc1 A T 6: 119,750,626 (GRCm39) Y367* probably null Het
Erh T A 12: 80,684,352 (GRCm39) R42W probably damaging Het
Fam124a C T 14: 62,843,325 (GRCm39) Q278* probably null Het
Fbxo3 T A 2: 103,885,286 (GRCm39) L385Q probably damaging Het
Fbxo31 T A 8: 122,285,794 (GRCm39) T219S probably damaging Het
Fstl5 T G 3: 76,555,725 (GRCm39) V534G possibly damaging Het
Gbp2b A T 3: 142,323,925 (GRCm39) I577F probably benign Het
Gbp8 A T 5: 105,198,783 (GRCm39) L44* probably null Het
Gck C T 11: 5,860,301 (GRCm39) A114T probably benign Het
Gtf2i A G 5: 134,284,688 (GRCm39) V537A possibly damaging Het
Iqcm C A 8: 76,489,733 (GRCm39) H400Q probably damaging Het
Iqcn T C 8: 71,163,555 (GRCm39) V916A probably benign Het
Itpr1 T C 6: 108,363,589 (GRCm39) L737P probably damaging Het
Jakmip1 A G 5: 37,258,116 (GRCm39) E254G probably damaging Het
Kif15 A T 9: 122,836,490 (GRCm39) R1095W possibly damaging Het
Klhdc8a G A 1: 132,230,846 (GRCm39) R237Q probably benign Het
Klhl38 T C 15: 58,186,258 (GRCm39) E157G probably benign Het
Klrk1 T A 6: 129,589,786 (GRCm39) N221I probably benign Het
Lhx8 A T 3: 154,012,576 (GRCm39) H345Q probably damaging Het
Lims1 T A 10: 58,245,494 (GRCm39) N174K probably benign Het
Madd T A 2: 90,997,406 (GRCm39) Q754L probably benign Het
Mau2 T C 8: 70,472,440 (GRCm39) D581G probably damaging Het
Miga1 A T 3: 151,982,393 (GRCm39) I561N probably benign Het
Mmp1a TG TGG 9: 7,465,083 (GRCm38) probably null Het
Mob3c T C 4: 115,688,884 (GRCm39) V139A probably benign Het
Nadk G T 4: 155,661,524 (GRCm39) D17Y probably benign Het
Nalf1 T C 8: 9,257,892 (GRCm39) T419A probably benign Het
Ncapd2 C T 6: 125,157,989 (GRCm39) V380I probably damaging Het
Nes G A 3: 87,884,315 (GRCm39) R858K probably benign Het
Nphp3 T C 9: 103,909,162 (GRCm39) S791P probably benign Het
Nup210 T C 6: 91,047,215 (GRCm39) T496A probably benign Het
Ogfr GGCCAGAGGACCCCAAAAGCCAGGTGGAGCCAGAGGACCCCAAAAGCCAGGTGGAGCCAGAGGACCCCAAAAGCCAGGTGGAGCCAGAGGACCCCAAAAGCCAGGTGGGGCCAGAGGACCCCCAAAGCCAGGTGG GGCCAGAGGACCCCAAAAGCCAGGTGGAGCCAGAGGACCCCAAAAGCCAGGTGGAGCCAGAGGACCCCAAAAGCCAGGTGGGGCCAGAGGACCCCCAAAGCCAGGTGG 2: 180,237,059 (GRCm39) probably benign Het
Or4c100 C T 2: 88,356,215 (GRCm39) T96I probably benign Het
Or6y1 T A 1: 174,277,162 (GRCm39) S324R unknown Het
Or8b50 T A 9: 38,518,685 (GRCm39) M308K probably benign Het
Ovgp1 T A 3: 105,883,339 (GRCm39) S105T probably benign Het
Pbld2 T A 10: 62,883,771 (GRCm39) C79S probably damaging Het
Pik3cd T A 4: 149,744,323 (GRCm39) M143L possibly damaging Het
Plat G T 8: 23,262,248 (GRCm39) G91W probably damaging Het
Poln A G 5: 34,280,016 (GRCm39) V282A probably benign Het
Ppp1r11 T C 17: 37,262,338 (GRCm39) T21A probably damaging Het
Prpf8 T A 11: 75,393,368 (GRCm39) I1664N possibly damaging Het
Prr29 C T 11: 106,267,738 (GRCm39) A161V probably benign Het
Rasa3 T C 8: 13,638,931 (GRCm39) D292G probably damaging Het
Rnf25 T C 1: 74,633,123 (GRCm39) T411A probably damaging Het
Rraga C T 4: 86,494,217 (GRCm39) T21I probably damaging Het
Setdb2 T A 14: 59,639,824 (GRCm39) Y673F probably damaging Het
Sf3a1 C T 11: 4,117,787 (GRCm39) T183I probably damaging Het
Shank3 A T 15: 89,389,642 (GRCm39) H413L probably damaging Het
Slc30a5 A G 13: 100,950,189 (GRCm39) probably null Het
Slc6a18 T C 13: 73,813,745 (GRCm39) S523G probably benign Het
Spaca1 C T 4: 34,044,207 (GRCm39) V96I probably damaging Het
Sycp2 C T 2: 178,016,378 (GRCm39) A695T probably benign Het
Tnrc18 C A 5: 142,717,807 (GRCm39) G2216C unknown Het
Trak2 T C 1: 58,985,447 (GRCm39) N17S probably benign Het
Ttn T A 2: 76,708,776 (GRCm39) N8792I unknown Het
Usb1 T A 8: 96,060,041 (GRCm39) S50R probably damaging Het
Ush2a T A 1: 188,689,570 (GRCm39) I5044N probably damaging Het
Vmn1r84 A T 7: 12,095,935 (GRCm39) F253I possibly damaging Het
Vmn2r99 T C 17: 19,600,302 (GRCm39) I442T probably benign Het
Vsig1 C T X: 139,833,875 (GRCm39) H232Y probably benign Het
Other mutations in Ttyh1
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL01410:Ttyh1 APN 7 4,127,656 (GRCm39) missense probably damaging 1.00
IGL01730:Ttyh1 APN 7 4,128,720 (GRCm39) missense possibly damaging 0.90
IGL02052:Ttyh1 APN 7 4,133,573 (GRCm39) unclassified probably benign
IGL02410:Ttyh1 APN 7 4,136,898 (GRCm39) utr 3 prime probably benign
IGL02651:Ttyh1 APN 7 4,127,678 (GRCm39) missense probably damaging 1.00
PIT4468001:Ttyh1 UTSW 7 4,122,771 (GRCm39) missense possibly damaging 0.49
R0137:Ttyh1 UTSW 7 4,127,719 (GRCm39) missense possibly damaging 0.95
R1699:Ttyh1 UTSW 7 4,122,695 (GRCm39) missense possibly damaging 0.79
R1739:Ttyh1 UTSW 7 4,132,348 (GRCm39) missense probably benign 0.18
R1865:Ttyh1 UTSW 7 4,122,730 (GRCm39) missense probably damaging 1.00
R2258:Ttyh1 UTSW 7 4,131,183 (GRCm39) missense probably damaging 0.98
R2259:Ttyh1 UTSW 7 4,131,183 (GRCm39) missense probably damaging 0.98
R2260:Ttyh1 UTSW 7 4,131,183 (GRCm39) missense probably damaging 0.98
R3027:Ttyh1 UTSW 7 4,122,721 (GRCm39) missense probably benign 0.31
R3426:Ttyh1 UTSW 7 4,136,218 (GRCm39) critical splice donor site probably null
R3939:Ttyh1 UTSW 7 4,132,317 (GRCm39) missense probably damaging 0.97
R3941:Ttyh1 UTSW 7 4,132,317 (GRCm39) missense probably damaging 0.97
R4328:Ttyh1 UTSW 7 4,133,580 (GRCm39) missense probably damaging 0.99
R4329:Ttyh1 UTSW 7 4,133,580 (GRCm39) missense probably damaging 0.99
R4527:Ttyh1 UTSW 7 4,122,763 (GRCm39) missense probably damaging 1.00
R4849:Ttyh1 UTSW 7 4,125,533 (GRCm39) missense possibly damaging 0.84
R4898:Ttyh1 UTSW 7 4,136,735 (GRCm39) missense probably benign 0.03
R4931:Ttyh1 UTSW 7 4,136,943 (GRCm39) utr 3 prime probably benign
R4960:Ttyh1 UTSW 7 4,131,225 (GRCm39) missense probably damaging 1.00
R6158:Ttyh1 UTSW 7 4,128,561 (GRCm39) missense probably benign 0.00
R6362:Ttyh1 UTSW 7 4,132,323 (GRCm39) missense possibly damaging 0.67
R6799:Ttyh1 UTSW 7 4,136,221 (GRCm39) splice site probably null
R6823:Ttyh1 UTSW 7 4,125,528 (GRCm39) missense probably damaging 0.97
R6897:Ttyh1 UTSW 7 4,127,649 (GRCm39) utr 3 prime probably benign
R7070:Ttyh1 UTSW 7 4,136,363 (GRCm39) missense probably damaging 0.99
R7236:Ttyh1 UTSW 7 4,136,663 (GRCm39) missense probably benign 0.00
R7287:Ttyh1 UTSW 7 4,128,657 (GRCm39) missense probably benign 0.02
R8056:Ttyh1 UTSW 7 4,127,622 (GRCm39) intron probably benign
R8236:Ttyh1 UTSW 7 4,128,547 (GRCm39) missense probably benign 0.02
R8684:Ttyh1 UTSW 7 4,133,791 (GRCm39) splice site probably benign
Predicted Primers PCR Primer
(F):5'- AAGTCCTTGGGGCATGTTTC -3'
(R):5'- ACTCTTAGTGCCTAGCGGTTC -3'

Sequencing Primer
(F):5'- CATTTCAATTGCCATGCAGCTGAG -3'
(R):5'- CCAAGGTCTCTAGAAAAAGACAGCG -3'
Posted On 2020-01-23