Incidental Mutation 'PIT4468001:Ttyh1'
ID 555640
Institutional Source Beutler Lab
Gene Symbol Ttyh1
Ensembl Gene ENSMUSG00000030428
Gene Name tweety family member 1
Synonyms tty, 4930459B04Rik, 6330408P11Rik
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # PIT4468001 (G1)
Quality Score 175.009
Status Not validated
Chromosome 7
Chromosomal Location 4122418-4139206 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 4122771 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Tyrosine to Histidine at position 40 (Y40H)
Ref Sequence ENSEMBL: ENSMUSP00000078384 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000032594] [ENSMUST00000079415] [ENSMUST00000119661] [ENSMUST00000129423] [ENSMUST00000153673] [ENSMUST00000206869] [ENSMUST00000206987]
AlphaFold Q9D3A9
Predicted Effect probably damaging
Transcript: ENSMUST00000032594
AA Change: Y7H

PolyPhen 2 Score 0.990 (Sensitivity: 0.72; Specificity: 0.97)
SMART Domains Protein: ENSMUSP00000032594
Gene: ENSMUSG00000030428
AA Change: Y7H

DomainStartEndE-ValueType
Pfam:Tweety 1 72 4.7e-17 PFAM
Predicted Effect possibly damaging
Transcript: ENSMUST00000079415
AA Change: Y40H

PolyPhen 2 Score 0.487 (Sensitivity: 0.88; Specificity: 0.90)
SMART Domains Protein: ENSMUSP00000078384
Gene: ENSMUSG00000030428
AA Change: Y40H

DomainStartEndE-ValueType
Pfam:Tweety 26 428 3.2e-165 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000119661
AA Change: Y40H

PolyPhen 2 Score 0.137 (Sensitivity: 0.92; Specificity: 0.86)
SMART Domains Protein: ENSMUSP00000113937
Gene: ENSMUSG00000030428
AA Change: Y40H

DomainStartEndE-ValueType
Pfam:Tweety 26 435 1.9e-167 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000129423
AA Change: Y40H

PolyPhen 2 Score 0.137 (Sensitivity: 0.92; Specificity: 0.86)
SMART Domains Protein: ENSMUSP00000120182
Gene: ENSMUSG00000030428
AA Change: Y40H

DomainStartEndE-ValueType
Pfam:Tweety 26 435 1.9e-167 PFAM
Predicted Effect possibly damaging
Transcript: ENSMUST00000153673
AA Change: Y40H

PolyPhen 2 Score 0.460 (Sensitivity: 0.89; Specificity: 0.90)
SMART Domains Protein: ENSMUSP00000115623
Gene: ENSMUSG00000030428
AA Change: Y40H

DomainStartEndE-ValueType
Pfam:Tweety 26 103 1.3e-23 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000206869
Predicted Effect possibly damaging
Transcript: ENSMUST00000206987
AA Change: Y40H

PolyPhen 2 Score 0.460 (Sensitivity: 0.89; Specificity: 0.90)
Coding Region Coverage
  • 1x: 93.0%
  • 3x: 90.7%
  • 10x: 85.2%
  • 20x: 72.8%
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: 56 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
2610042L04Rik C T 14: 4,348,940 (GRCm38) L34F probably damaging Het
Alms1 T C 6: 85,601,701 (GRCm39) probably null Het
Arhgap15 C A 2: 44,133,143 (GRCm39) Q350K probably damaging Het
Bbs1 T A 19: 4,956,190 (GRCm39) H35L probably benign Het
Cep85 T C 4: 133,876,008 (GRCm39) N468S probably damaging Het
Chd8 T C 14: 52,455,338 (GRCm39) I1050V possibly damaging Het
Chd8 A C 14: 52,445,453 (GRCm39) D1709E probably benign Het
Clec9a G A 6: 129,396,597 (GRCm39) probably null Het
Cyp2c70 T A 19: 40,153,806 (GRCm39) D261V probably damaging Het
Deup1 T C 9: 15,475,301 (GRCm39) N420D possibly damaging Het
Dpys T A 15: 39,720,601 (GRCm39) D53V probably damaging Het
Edem1 A G 6: 108,821,828 (GRCm39) E295G probably damaging Het
Farp2 G T 1: 93,456,499 (GRCm39) E61* probably null Het
Fat3 T G 9: 15,907,647 (GRCm39) D2785A probably benign Het
Fbxo30 T A 10: 11,166,700 (GRCm39) M474K possibly damaging Het
Gm13090 C A 4: 151,175,539 (GRCm39) P93Q unknown Het
Gm21976 A T 13: 98,443,535 (GRCm39) R229* probably null Het
Gpr108 A T 17: 57,554,563 (GRCm39) L25Q probably null Het
Hdac9 C A 12: 34,145,933 (GRCm39) V920F unknown Het
Ighv13-2 T C 12: 114,321,593 (GRCm39) S49G probably benign Het
Krt6a T C 15: 101,602,352 (GRCm39) Y111C probably damaging Het
Mib1 T C 18: 10,798,463 (GRCm39) S775P possibly damaging Het
Mki67 A G 7: 135,300,876 (GRCm39) I1386T probably benign Het
Mroh2b A G 15: 4,942,294 (GRCm39) E352G probably damaging Het
Nfya A G 17: 48,702,805 (GRCm39) M61T unknown Het
Ntn4 A G 10: 93,480,587 (GRCm39) T104A probably damaging Het
Numb G A 12: 83,854,921 (GRCm39) T135I probably damaging Het
Or4b12 C A 2: 90,096,564 (GRCm39) C70F probably benign Het
Or52ab4 A C 7: 102,987,807 (GRCm39) E182A probably damaging Het
Or5m5 A T 2: 85,814,792 (GRCm39) T203S probably benign Het
Parpbp A C 10: 87,979,935 (GRCm39) L7R probably benign Het
Pcdhb8 T C 18: 37,489,686 (GRCm39) Y455H probably damaging Het
Pcdhga10 T A 18: 37,880,936 (GRCm39) D232E probably damaging Het
Pcdhga9 T A 18: 37,872,527 (GRCm39) C785* probably null Het
Pkd1l3 A G 8: 110,391,131 (GRCm39) Y1913C possibly damaging Het
Pld4 T G 12: 112,734,256 (GRCm39) L374R probably damaging Het
Ppp1r13b A T 12: 111,805,136 (GRCm39) I350N probably benign Het
Rc3h2 C A 2: 37,289,651 (GRCm39) G387V probably damaging Het
Rfwd3 T C 8: 112,009,352 (GRCm39) H408R probably benign Het
Rpl3l A G 17: 24,954,457 (GRCm39) T173A probably benign Het
Sdad1 T C 5: 92,439,777 (GRCm39) D416G probably damaging Het
Srp72 C A 5: 77,142,053 (GRCm39) T430K probably benign Het
Steap1 C A 5: 5,786,642 (GRCm39) G265V probably damaging Het
Sulf2 A T 2: 165,922,720 (GRCm39) I670N probably benign Het
Tcf7l2 A T 19: 55,730,820 (GRCm39) D16V probably damaging Het
Tmem100 T A 11: 89,926,187 (GRCm39) S5T probably benign Het
Tnc C A 4: 63,882,904 (GRCm39) D1906Y probably damaging Het
Trak1 T C 9: 121,282,398 (GRCm39) S436P probably benign Het
Ubxn8 T A 8: 34,111,569 (GRCm39) S275C probably benign Het
Umodl1 A G 17: 31,178,252 (GRCm39) Y76C probably damaging Het
Upk3b C T 5: 136,071,861 (GRCm39) T222M probably benign Het
Usp42 T A 5: 143,700,399 (GRCm39) K1208M probably damaging Het
Vmn2r25 A T 6: 123,816,557 (GRCm39) D341E probably benign Het
Vmn2r83 T G 10: 79,313,884 (GRCm39) L164R probably damaging Het
Vwa8 G T 14: 79,420,501 (GRCm39) R1734L probably damaging Het
Zfand2b G T 1: 75,146,476 (GRCm39) R117L 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
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
R8039:Ttyh1 UTSW 7 4,125,540 (GRCm39) missense probably benign 0.01
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'- GAGCAAAGACCCTTCACCTG -3'
(R):5'- CTTATCTGGGAAGAGAGGGGTC -3'

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