Incidental Mutation 'R0633:Ttc21b'
ID 58038
Institutional Source Beutler Lab
Gene Symbol Ttc21b
Ensembl Gene ENSMUSG00000034848
Gene Name tetratricopeptide repeat domain 21B
Synonyms Thm1, line 158, aln, 2410066K11Rik
MMRRC Submission 038822-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R0633 (G1)
Quality Score 135
Status Not validated
Chromosome 2
Chromosomal Location 66014671-66086961 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 66066577 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Serine to Proline at position 359 (S359P)
Ref Sequence ENSEMBL: ENSMUSP00000131758 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000102718] [ENSMUST00000125446]
AlphaFold Q0HA38
Predicted Effect probably benign
Transcript: ENSMUST00000102718
AA Change: S359P

PolyPhen 2 Score 0.000 (Sensitivity: 1.00; Specificity: 0.00)
SMART Domains Protein: ENSMUSP00000099779
Gene: ENSMUSG00000034848
AA Change: S359P

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 probably benign
Transcript: ENSMUST00000125446
AA Change: S359P

PolyPhen 2 Score 0.000 (Sensitivity: 1.00; Specificity: 0.00)
SMART Domains Protein: ENSMUSP00000131758
Gene: ENSMUSG00000034848
AA Change: S359P

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
Predicted Effect noncoding transcript
Transcript: ENSMUST00000131503
Predicted Effect noncoding transcript
Transcript: ENSMUST00000169968
Coding Region Coverage
  • 1x: 99.3%
  • 3x: 98.8%
  • 10x: 97.4%
  • 20x: 94.7%
Validation Efficiency
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This gene encodes a 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: 77 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Adamts8 A T 9: 30,854,807 (GRCm39) R18S probably damaging Het
Adgb G A 10: 10,267,473 (GRCm39) A923V probably benign Het
Aldh1a3 A G 7: 66,049,970 (GRCm39) V416A probably damaging Het
Alox5 C T 6: 116,397,345 (GRCm39) G280R probably damaging Het
Anapc5 A T 5: 122,938,695 (GRCm39) Y360N probably damaging Het
Apbb1 C T 7: 105,208,170 (GRCm39) V685I probably damaging Het
Apc2 C A 10: 80,143,289 (GRCm39) A463E probably damaging Het
Arhgap21 C T 2: 20,860,198 (GRCm39) W1170* probably null Het
Atat1 G A 17: 36,212,315 (GRCm39) R305C probably damaging Het
Brd8dc A G 18: 34,719,319 (GRCm39) V167A possibly damaging Het
Cars2 T C 8: 11,600,511 (GRCm39) D56G probably benign Het
Ccdc202 T G 14: 96,119,379 (GRCm39) N45K probably damaging Het
Cdc42bpb T C 12: 111,311,989 (GRCm39) I108V probably damaging Het
Cftr T A 6: 18,305,979 (GRCm39) I1255K probably damaging Het
Ckap5 T C 2: 91,381,088 (GRCm39) L148P probably damaging Het
Cntn4 A G 6: 106,656,209 (GRCm39) probably null Het
Cpe G A 8: 65,062,237 (GRCm39) P273L probably damaging Het
Cpsf7 A G 19: 10,509,146 (GRCm39) D19G probably benign Het
Ddx25 C A 9: 35,457,268 (GRCm39) R349L probably damaging Het
Depdc7 T C 2: 104,553,226 (GRCm39) D446G probably benign Het
Det1 T A 7: 78,493,683 (GRCm39) N107I probably benign Het
Dock6 A T 9: 21,755,713 (GRCm39) D170E probably benign Het
Dvl1 C T 4: 155,942,752 (GRCm39) L673F probably damaging Het
Gucy1b1 A T 3: 81,952,767 (GRCm39) I222K probably benign Het
Hfm1 T C 5: 107,065,467 (GRCm39) T71A possibly damaging Het
Ikzf1 A G 11: 11,719,223 (GRCm39) E310G probably damaging Het
Impg1 T C 9: 80,301,437 (GRCm39) E163G possibly damaging Het
Itpr2 G T 6: 146,275,954 (GRCm39) H426Q probably damaging Het
Itpripl2 C T 7: 118,089,479 (GRCm39) G360D probably benign Het
Kif14 C T 1: 136,455,043 (GRCm39) R1572C probably damaging Het
L3mbtl3 A T 10: 26,178,583 (GRCm39) H568Q unknown Het
Lgi2 A G 5: 52,711,802 (GRCm39) Y173H probably damaging Het
Lpar5 A C 6: 125,058,954 (GRCm39) Y225S probably benign Het
Lpin3 A G 2: 160,745,894 (GRCm39) H675R probably damaging Het
Lrp2 C A 2: 69,278,464 (GRCm39) G3963V probably damaging Het
Man1a2 G T 3: 100,591,891 (GRCm39) D13E possibly damaging Het
Map1a T C 2: 121,138,495 (GRCm39) V2753A probably damaging Het
Mitf C A 6: 97,980,865 (GRCm39) N97K probably damaging Het
Msh2 A G 17: 87,980,238 (GRCm39) probably null Het
Msr1 T C 8: 40,073,041 (GRCm39) E170G probably damaging Het
Myrip C A 9: 120,217,302 (GRCm39) R79S probably damaging Het
Nek10 G A 14: 14,857,782 (GRCm38) probably null Het
Neto1 C T 18: 86,422,854 (GRCm39) R104* probably null Het
Nom1 A C 5: 29,656,098 (GRCm39) K821T probably damaging Het
Nrxn1 A G 17: 91,011,609 (GRCm39) V340A probably damaging Het
Nxpe4 A T 9: 48,307,897 (GRCm39) I334F probably benign Het
Or1e23 A G 11: 73,407,753 (GRCm39) S91P probably benign Het
Or2ag1 T C 7: 106,313,184 (GRCm39) K235E probably benign Het
Or4a74 T C 2: 89,439,718 (GRCm39) M243V probably benign Het
Or5al7 T A 2: 85,992,435 (GRCm39) N286I probably damaging Het
Or5b124 T C 19: 13,610,700 (GRCm39) V75A probably damaging Het
Or8k27 C T 2: 86,275,473 (GRCm39) M284I probably benign Het
Padi4 A G 4: 140,484,896 (GRCm39) S322P probably damaging Het
Peli3 A G 19: 4,991,810 (GRCm39) Y44H probably damaging Het
Prdm4 A G 10: 85,743,767 (GRCm39) S163P probably damaging Het
Prom2 T C 2: 127,381,445 (GRCm39) D227G probably benign Het
Ptgfr C T 3: 151,507,400 (GRCm39) R321H probably benign Het
Resf1 A T 6: 149,227,199 (GRCm39) I82L probably benign Het
Rgs3 G A 4: 62,544,143 (GRCm39) R136H probably damaging Het
Rgsl1 T G 1: 153,719,853 (GRCm39) N3T possibly damaging Het
Rif1 T C 2: 52,002,575 (GRCm39) S2010P probably benign Het
Rngtt T C 4: 33,368,690 (GRCm39) F408L probably damaging Het
Rtn3 T G 19: 7,434,958 (GRCm39) T326P probably benign Het
Slc18b1 A C 10: 23,681,936 (GRCm39) M167L probably benign Het
Slc22a26 A G 19: 7,765,575 (GRCm39) probably null Het
Slitrk6 T C 14: 110,989,317 (GRCm39) D130G probably damaging Het
Snap47 A G 11: 59,319,439 (GRCm39) V233A probably benign Het
Sumf1 A C 6: 108,121,632 (GRCm39) Y158D probably damaging Het
Tbc1d15 A T 10: 115,056,215 (GRCm39) H252Q probably benign Het
Thsd7b T C 1: 130,116,263 (GRCm39) S1339P possibly damaging Het
Tmem45a2 T C 16: 56,869,777 (GRCm39) I56V probably benign Het
Ttc27 T C 17: 75,036,972 (GRCm39) I215T probably benign Het
Ttn C T 2: 76,554,539 (GRCm39) V30759I possibly damaging Het
Vdac3 T C 8: 23,070,404 (GRCm39) N168S probably damaging Het
Wdr7 T C 18: 63,998,371 (GRCm39) V1106A probably benign Het
Wrap73 T A 4: 154,226,948 (GRCm39) F16Y probably damaging Het
Zfat C A 15: 68,052,652 (GRCm39) D381Y 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
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
R9047:Ttc21b UTSW 2 66,031,596 (GRCm39) missense
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'- ACAGGCAGCCAGGAACTATGTAAAC -3'
(R):5'- CGGTCTGATATTCCGAGACTGCAC -3'

Sequencing Primer
(F):5'- gcacacctttaatcccagcac -3'
(R):5'- TCACAGTGTGGACGTAATCAACTC -3'
Posted On 2013-07-11