Incidental Mutation 'R9047:Ttc21b'
ID 688089
Institutional Source Beutler Lab
Gene Symbol Ttc21b
Ensembl Gene ENSMUSG00000034848
Gene Name tetratricopeptide repeat domain 21B
Synonyms Thm1, line 158, aln, 2410066K11Rik
MMRRC Submission 068873-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R9047 (G1)
Quality Score 225.009
Status Validated
Chromosome 2
Chromosomal Location 66014671-66086961 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 66031596 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Histidine to Arginine at position 1044 (H1044R)
Ref Sequence ENSEMBL: ENSMUSP00000099779 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000102718] [ENSMUST00000125446]
AlphaFold Q0HA38
Predicted Effect
SMART Domains Protein: ENSMUSP00000099779
Gene: ENSMUSG00000034848
AA Change: H1044R

DomainStartEndE-ValueType
Blast:TPR 109 141 5e-12 BLAST
Blast:TPR 178 211 3e-12 BLAST
TPR 324 357 4.21e1 SMART
low complexity region 379 390 N/A INTRINSIC
TPR 492 525 8.51e0 SMART
TPR 526 559 5.92e1 SMART
TPR 563 596 7.69e1 SMART
TPR 721 754 3.07e-5 SMART
TPR 755 788 9.45e0 SMART
TPR 790 821 9.24e1 SMART
TPR 830 863 3.05e0 SMART
TPR 883 916 1.55e-1 SMART
TPR 917 950 8.74e0 SMART
TPR 951 984 6.75e1 SMART
Blast:TPR 1023 1054 5e-13 BLAST
Blast:TPR 1156 1189 1e-12 BLAST
TPR 1196 1229 9.7e0 SMART
TPR 1265 1298 1.02e1 SMART
Predicted Effect possibly damaging
Transcript: ENSMUST00000125446
AA Change: H1044R

PolyPhen 2 Score 0.827 (Sensitivity: 0.84; Specificity: 0.93)
SMART Domains Protein: ENSMUSP00000131758
Gene: ENSMUSG00000034848
AA Change: H1044R

DomainStartEndE-ValueType
Blast:TPR 108 141 3e-12 BLAST
Blast:TPR 178 211 3e-12 BLAST
TPR 324 357 4.21e1 SMART
low complexity region 379 390 N/A INTRINSIC
TPR 492 525 8.51e0 SMART
TPR 526 559 5.92e1 SMART
TPR 563 596 7.69e1 SMART
TPR 721 754 3.07e-5 SMART
TPR 755 788 9.45e0 SMART
TPR 790 821 9.24e1 SMART
TPR 830 863 3.05e0 SMART
TPR 883 916 1.55e-1 SMART
TPR 917 950 8.74e0 SMART
TPR 951 984 6.75e1 SMART
Blast:TPR 1023 1054 4e-13 BLAST
Blast:TPR 1156 1189 9e-13 BLAST
TPR 1196 1229 9.7e0 SMART
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 100.0%
  • 10x: 99.9%
  • 20x: 99.7%
Validation Efficiency 100% (76/76)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This gene encodes a member of TTC21 family, containing several tetratricopeptide repeat (TPR) domains. This protein is localized to the cilium axoneme, and may play a role in retrograde intraflagellar transport in cilia. Mutations in this gene are associated with various ciliopathies, nephronophthisis 12, and asphyxiating thoracic dystrophy 4. [provided by RefSeq, Oct 2011]
PHENOTYPE: Homozygous mutation of this gene is embryonic lethal. Mutant embryos exhibit several deformities including polydactyly, microphthalmia, irregular shape of the long bones, rib fusion and truncation, neural tube defects, and abnormal brain structure. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 80 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
2410004B18Rik T A 3: 145,644,848 (GRCm39) S156T probably damaging Het
4930522L14Rik A G 5: 109,885,420 (GRCm39) L146P Het
Adra1a T A 14: 66,875,634 (GRCm39) M203K probably damaging Het
Adtrp G A 13: 41,969,636 (GRCm39) T89I possibly damaging Het
Akt3 G T 1: 176,886,955 (GRCm39) T298K probably damaging Het
Aldh4a1 G T 4: 139,350,511 (GRCm39) probably benign Het
Aplf T C 6: 87,640,779 (GRCm39) T77A possibly damaging Het
Arid4b T A 13: 14,355,815 (GRCm39) W618R probably damaging Het
Asxl3 C A 18: 22,585,465 (GRCm39) P130Q probably damaging Het
Asxl3 A G 18: 22,585,471 (GRCm39) K132R probably damaging Het
Atp11a T C 8: 12,878,483 (GRCm39) M353T probably damaging Het
Atp11b A G 3: 35,861,038 (GRCm39) D375G probably damaging Het
Cage1 C T 13: 38,201,338 (GRCm39) A656T possibly damaging Het
Casz1 C T 4: 149,023,497 (GRCm39) P801S probably damaging Het
Cdc14b A T 13: 64,368,758 (GRCm39) probably benign Het
Cdin1 A G 2: 115,607,504 (GRCm39) T286A probably benign Het
Cox6b2 A G 7: 4,755,086 (GRCm39) F63L probably benign Het
Cramp1 A C 17: 25,198,603 (GRCm39) V773G possibly damaging Het
Cul7 A G 17: 46,965,448 (GRCm39) E542G probably benign Het
Cyp2c55 T C 19: 39,019,790 (GRCm39) Y243H possibly damaging Het
Dnah9 C A 11: 65,962,925 (GRCm39) D1797Y possibly damaging Het
Dpep2 C A 8: 106,715,944 (GRCm39) A298S Het
Dvl3 G A 16: 20,342,826 (GRCm39) probably null Het
Dynlt2a3 A G 17: 15,187,942 (GRCm39) Y111H probably damaging Het
Enpp3 T C 10: 24,674,172 (GRCm39) D376G possibly damaging Het
Ffar4 T C 19: 38,102,232 (GRCm39) I289T possibly damaging Het
Gm5565 T C 5: 146,094,849 (GRCm39) Y299C probably damaging Het
Gm57858 A G 3: 36,087,033 (GRCm39) I187T probably benign Het
Gpat3 A T 5: 100,994,788 (GRCm39) M39L probably benign Het
Gpr153 T C 4: 152,364,664 (GRCm39) L240P probably damaging Het
Gpr182 T C 10: 127,586,517 (GRCm39) I145V probably benign Het
H2-Q4 A T 17: 35,598,969 (GRCm39) T80S possibly damaging Het
Hnf1a T A 5: 115,088,882 (GRCm39) T545S probably benign Het
Kif5b A C 18: 6,208,261 (GRCm39) F946V probably benign Het
Krtap16-1 C T 11: 99,877,167 (GRCm39) C79Y probably damaging Het
Lama2 A G 10: 26,882,697 (GRCm39) V2622A possibly damaging Het
Lrrc37a T A 11: 103,391,375 (GRCm39) Q1350L probably damaging Het
Map2k2 G A 10: 80,955,498 (GRCm39) V294I probably benign Het
Meak7 T C 8: 120,489,050 (GRCm39) N411S probably benign Het
Mtus1 G A 8: 41,536,760 (GRCm39) H319Y possibly damaging Het
Ncdn T C 4: 126,644,621 (GRCm39) D67G possibly damaging Het
Ngef G A 1: 87,431,010 (GRCm39) P269L probably damaging Het
Nlrp9b A G 7: 19,757,401 (GRCm39) I213V possibly damaging Het
Nyap2 G A 1: 81,275,803 (GRCm39) R649H possibly damaging Het
Or14a258 A G 7: 86,035,248 (GRCm39) S207P probably benign Het
Or4a67 C A 2: 88,598,299 (GRCm39) R120L probably damaging Het
Or5d20-ps1 T G 2: 87,931,416 (GRCm39) D305A unknown Het
Pi4kb T A 3: 94,900,428 (GRCm39) L354Q probably damaging Het
Plekhh2 T C 17: 84,898,190 (GRCm39) S944P probably damaging Het
Podn C T 4: 107,878,743 (GRCm39) V375M probably damaging Het
Pramel12 C A 4: 143,145,673 (GRCm39) Q381K possibly damaging Het
Psmb2 T A 4: 126,599,895 (GRCm39) H110Q probably benign Het
Rasip1 A G 7: 45,282,066 (GRCm39) E523G possibly damaging Het
Ripor1 T G 8: 106,342,783 (GRCm39) C219G probably damaging Het
Rps6ka2 G C 17: 7,567,678 (GRCm39) V714L probably damaging Het
Sass6 G T 3: 116,407,647 (GRCm39) L254F probably damaging Het
Scarf2 G A 16: 17,624,270 (GRCm39) G525E probably damaging Het
Sh3d21 T A 4: 126,046,131 (GRCm39) probably benign Het
Sh3tc1 C A 5: 35,863,827 (GRCm39) A787S probably benign Het
Skint5 T A 4: 113,512,919 (GRCm39) N871I unknown Het
Slc48a1 T G 15: 97,687,833 (GRCm39) D62E probably damaging Het
Slc6a21 G A 7: 44,936,398 (GRCm39) M157I Het
Slurp2 T C 15: 74,614,961 (GRCm39) D60G probably benign Het
Sparcl1 G T 5: 104,240,979 (GRCm39) N148K possibly damaging Het
Spata31e4 C T 13: 50,856,128 (GRCm39) R589* probably null Het
Spsb2 T A 6: 124,786,976 (GRCm39) N236K probably benign Het
Sptb G T 12: 76,679,308 (GRCm39) probably benign Het
Ssc4d A T 5: 135,990,030 (GRCm39) C41S probably damaging Het
Tecta A T 9: 42,286,375 (GRCm39) D760E probably benign Het
Tesmin G T 19: 3,439,431 (GRCm39) probably benign Het
Tiam1 A C 16: 89,601,776 (GRCm39) probably benign Het
Tnrc6a T C 7: 122,778,946 (GRCm39) L1219S probably damaging Het
Tram1 T G 1: 13,639,830 (GRCm39) I306L probably benign Het
Trank1 A C 9: 111,191,500 (GRCm39) D503A probably damaging Het
Ubac2 T C 14: 122,145,626 (GRCm39) F95L probably benign Het
Vmn2r91 A T 17: 18,326,296 (GRCm39) M194L probably benign Het
Yju2b C T 8: 84,990,527 (GRCm39) R35Q probably damaging Het
Zdhhc1 G T 8: 106,205,533 (GRCm39) H90Q probably damaging Het
Zfp169 C T 13: 48,652,292 (GRCm39) V42I probably damaging Het
Zfp81 A G 17: 33,553,387 (GRCm39) C476R probably damaging Het
Other mutations in Ttc21b
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00465:Ttc21b APN 2 66,073,119 (GRCm39) missense probably benign 0.00
IGL00467:Ttc21b APN 2 66,018,708 (GRCm39) missense probably damaging 1.00
IGL00721:Ttc21b APN 2 66,057,122 (GRCm39) missense probably benign 0.06
IGL00837:Ttc21b APN 2 66,065,915 (GRCm39) critical splice donor site probably null
IGL01317:Ttc21b APN 2 66,018,700 (GRCm39) missense probably benign 0.00
IGL01485:Ttc21b APN 2 66,082,234 (GRCm39) splice site probably benign
IGL01739:Ttc21b APN 2 66,068,200 (GRCm39) missense probably benign
IGL02282:Ttc21b APN 2 66,022,081 (GRCm39) missense probably damaging 0.96
IGL02431:Ttc21b APN 2 66,082,229 (GRCm39) splice site probably benign
IGL02478:Ttc21b APN 2 66,018,624 (GRCm39) missense probably benign 0.05
IGL02487:Ttc21b APN 2 66,065,500 (GRCm39) missense probably benign 0.02
IGL03327:Ttc21b APN 2 66,068,192 (GRCm39) missense possibly damaging 0.92
IGL03346:Ttc21b APN 2 66,068,192 (GRCm39) missense possibly damaging 0.92
plus-sized UTSW 2 66,073,023 (GRCm39) missense probably damaging 1.00
puffer UTSW 2 66,057,244 (GRCm39) missense probably benign 0.12
PIT4696001:Ttc21b UTSW 2 66,061,563 (GRCm39) splice site probably null
R0049:Ttc21b UTSW 2 66,053,908 (GRCm39) missense probably damaging 1.00
R0049:Ttc21b UTSW 2 66,053,908 (GRCm39) missense probably damaging 1.00
R0373:Ttc21b UTSW 2 66,018,670 (GRCm39) missense probably damaging 0.99
R0440:Ttc21b UTSW 2 66,066,726 (GRCm39) missense probably benign 0.03
R0504:Ttc21b UTSW 2 66,053,142 (GRCm39) splice site probably benign
R0600:Ttc21b UTSW 2 66,069,914 (GRCm39) missense probably damaging 0.99
R0621:Ttc21b UTSW 2 66,056,355 (GRCm39) missense probably benign 0.07
R0633:Ttc21b UTSW 2 66,066,577 (GRCm39) missense probably benign
R0863:Ttc21b UTSW 2 66,073,117 (GRCm39) missense probably benign
R1617:Ttc21b UTSW 2 66,056,379 (GRCm39) missense probably benign 0.22
R1837:Ttc21b UTSW 2 66,028,106 (GRCm39) missense probably benign 0.01
R1844:Ttc21b UTSW 2 66,053,921 (GRCm39) nonsense probably null
R2120:Ttc21b UTSW 2 66,057,098 (GRCm39) missense probably benign 0.12
R2205:Ttc21b UTSW 2 66,065,467 (GRCm39) missense possibly damaging 0.51
R2392:Ttc21b UTSW 2 66,037,794 (GRCm39) critical splice donor site probably null
R3689:Ttc21b UTSW 2 66,054,488 (GRCm39) missense probably benign 0.22
R3810:Ttc21b UTSW 2 66,082,577 (GRCm39) critical splice acceptor site probably null
R3847:Ttc21b UTSW 2 66,073,023 (GRCm39) missense probably damaging 1.00
R3897:Ttc21b UTSW 2 66,065,413 (GRCm39) missense probably benign 0.01
R4561:Ttc21b UTSW 2 66,016,562 (GRCm39) missense probably damaging 1.00
R4671:Ttc21b UTSW 2 66,057,257 (GRCm39) missense possibly damaging 0.66
R5161:Ttc21b UTSW 2 66,059,367 (GRCm39) missense probably damaging 0.98
R5274:Ttc21b UTSW 2 66,066,627 (GRCm39) missense possibly damaging 0.89
R5594:Ttc21b UTSW 2 66,066,579 (GRCm39) missense probably benign 0.39
R6210:Ttc21b UTSW 2 66,066,698 (GRCm39) missense probably benign 0.00
R6305:Ttc21b UTSW 2 66,018,614 (GRCm39) missense probably damaging 0.99
R6456:Ttc21b UTSW 2 66,018,675 (GRCm39) missense probably damaging 0.97
R6482:Ttc21b UTSW 2 66,057,244 (GRCm39) missense probably benign 0.12
R6645:Ttc21b UTSW 2 66,066,721 (GRCm39) missense probably benign 0.01
R6800:Ttc21b UTSW 2 66,038,994 (GRCm39) splice site probably null
R6815:Ttc21b UTSW 2 66,057,134 (GRCm39) missense probably benign 0.00
R6959:Ttc21b UTSW 2 66,061,656 (GRCm39) missense probably benign 0.05
R7125:Ttc21b UTSW 2 66,066,670 (GRCm39) missense probably benign 0.00
R7265:Ttc21b UTSW 2 66,040,517 (GRCm39) missense possibly damaging 0.89
R7283:Ttc21b UTSW 2 66,039,062 (GRCm39) missense probably damaging 0.96
R7560:Ttc21b UTSW 2 66,047,548 (GRCm39) missense possibly damaging 0.69
R7561:Ttc21b UTSW 2 66,047,548 (GRCm39) missense possibly damaging 0.69
R7816:Ttc21b UTSW 2 66,077,705 (GRCm39) missense possibly damaging 0.82
R8172:Ttc21b UTSW 2 66,082,500 (GRCm39) missense probably benign 0.01
R8179:Ttc21b UTSW 2 66,031,824 (GRCm39) missense probably benign
R9282:Ttc21b UTSW 2 66,056,349 (GRCm39) missense possibly damaging 0.65
R9336:Ttc21b UTSW 2 66,057,287 (GRCm39) missense probably benign
R9464:Ttc21b UTSW 2 66,053,866 (GRCm39) missense probably damaging 1.00
X0013:Ttc21b UTSW 2 66,056,294 (GRCm39) nonsense probably null
Predicted Primers PCR Primer
(F):5'- GCATTATGCTAGAAGGTGACTTTC -3'
(R):5'- TCCCCTCGTGCAGAAAGTAG -3'

Sequencing Primer
(F):5'- TGCGTATTTTCCCCAATGTATG -3'
(R):5'- TCCCCTCGTGCAGAAAGTAGAAAAG -3'
Posted On 2021-11-19