Incidental Mutation 'R4345:Ttl'
ID 386412
Institutional Source Beutler Lab
Gene Symbol Ttl
Ensembl Gene ENSMUSG00000027394
Gene Name tubulin tyrosine ligase
Synonyms 2700049H19Rik, 2410003M22Rik
MMRRC Submission 041666-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R4345 (G1)
Quality Score 225
Status Validated
Chromosome 2
Chromosomal Location 128907867-128938203 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 128917778 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Leucine to Proline at position 80 (L80P)
Ref Sequence ENSEMBL: ENSMUSP00000046883 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000035812]
AlphaFold P38585
Predicted Effect probably damaging
Transcript: ENSMUST00000035812
AA Change: L80P

PolyPhen 2 Score 0.998 (Sensitivity: 0.27; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000046883
Gene: ENSMUSG00000027394
AA Change: L80P

DomainStartEndE-ValueType
Pfam:TTL 54 367 1.2e-72 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000144120
SMART Domains Protein: ENSMUSP00000117506
Gene: ENSMUSG00000027394

DomainStartEndE-ValueType
Pfam:TTL 1 199 2.3e-64 PFAM
Meta Mutation Damage Score 0.6177 question?
Coding Region Coverage
  • 1x: 99.3%
  • 3x: 98.7%
  • 10x: 97.6%
  • 20x: 95.9%
Validation Efficiency 96% (47/49)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] TTL is a cytosolic enzyme involved in the posttranslational modification of alpha-tubulin (see MIM 602529). Alpha-tubulin within assembled microtubules is detyrosinated over time at the C terminus. After microtubule disassembly, TTL restores the tyrosine residues and consequently participates in a cycle of tubulin detyrosination and tyrosination (Erck et al., 2003 [PubMed 14571137]).[supplied by OMIM, Mar 2008]
PHENOTYPE: Homozygous null mice display neonatal lethality, impaired breathing, and fail to form the internal capsule in the brain. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 40 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Asap2 T C 12: 21,280,832 (GRCm39) W449R probably damaging Het
Astn1 T A 1: 158,329,602 (GRCm39) probably null Het
C3ar1 T C 6: 122,827,659 (GRCm39) D186G probably damaging Het
Fbf1 A G 11: 116,038,568 (GRCm39) V851A probably benign Het
Foxp4 G A 17: 48,185,573 (GRCm39) T500M unknown Het
Gm5878 G A 6: 85,102,633 (GRCm39) R31* probably null Het
Gramd4 T C 15: 86,019,094 (GRCm39) S581P probably damaging Het
Heatr5b A T 17: 79,067,940 (GRCm39) V1816E possibly damaging Het
Igf2r C T 17: 12,928,398 (GRCm39) E982K possibly damaging Het
Il1r1 A G 1: 40,337,084 (GRCm39) D224G probably benign Het
Kcnv1 G A 15: 44,977,840 (GRCm39) T66M probably damaging Het
Lactb2 T A 1: 13,730,574 (GRCm39) Y34F probably damaging Het
Lepr G A 4: 101,622,349 (GRCm39) probably null Het
Loxhd1 A G 18: 77,486,697 (GRCm39) I1261V possibly damaging Het
Map4k3 A G 17: 80,904,980 (GRCm39) probably null Het
Mcee T C 7: 64,061,686 (GRCm39) L109P probably damaging Het
Mier3 A G 13: 111,841,817 (GRCm39) D124G probably damaging Het
Mrpl43 T C 19: 44,994,549 (GRCm39) Y64C probably damaging Het
Nfasc A G 1: 132,559,443 (GRCm39) F229S probably damaging Het
Nsd3 G C 8: 26,131,333 (GRCm39) G233R probably benign Het
Or2ak7 A G 11: 58,574,771 (GRCm39) D24G possibly damaging Het
Or8k27 T A 2: 86,276,189 (GRCm39) I46F probably damaging Het
Pdzd8 T C 19: 59,288,560 (GRCm39) T947A probably benign Het
Plod3 G C 5: 137,017,000 (GRCm39) A50P probably benign Het
Pno1 A G 11: 17,159,095 (GRCm39) S158P possibly damaging Het
Prr14l A G 5: 32,985,920 (GRCm39) S1192P probably damaging Het
Setbp1 T A 18: 79,129,794 (GRCm39) E146V probably damaging Het
Slc9a5 T C 8: 106,076,087 (GRCm39) S27P probably benign Het
Sri G T 5: 8,109,427 (GRCm39) probably null Het
Stard9 G A 2: 120,532,427 (GRCm39) V2895I probably benign Het
Tgfbrap1 T C 1: 43,095,866 (GRCm39) D524G probably benign Het
Them4 A G 3: 94,237,172 (GRCm39) T211A possibly damaging Het
Thoc2l A G 5: 104,669,315 (GRCm39) E1279G probably benign Het
Trpm3 A T 19: 22,875,061 (GRCm39) S568C probably damaging Het
Ttn G T 2: 76,586,660 (GRCm39) N13423K possibly damaging Het
Usp10 T A 8: 120,681,553 (GRCm39) L670Q probably damaging Het
Usp4 T A 9: 108,245,222 (GRCm39) probably benign Het
Vmn1r72 T A 7: 11,403,963 (GRCm39) T162S possibly damaging Het
Zmym5 T C 14: 57,034,083 (GRCm39) N376S probably benign Het
Zswim6 G T 13: 107,863,466 (GRCm39) noncoding transcript Het
Other mutations in Ttl
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL02742:Ttl APN 2 128,908,213 (GRCm39) missense possibly damaging 0.50
IGL02970:Ttl APN 2 128,917,990 (GRCm39) missense probably damaging 1.00
R0363:Ttl UTSW 2 128,917,981 (GRCm39) missense probably damaging 0.99
R2290:Ttl UTSW 2 128,923,190 (GRCm39) missense possibly damaging 0.69
R3818:Ttl UTSW 2 128,934,914 (GRCm39) missense probably damaging 1.00
R4471:Ttl UTSW 2 128,923,977 (GRCm39) missense probably benign
R4866:Ttl UTSW 2 128,923,147 (GRCm39) missense probably damaging 1.00
R5269:Ttl UTSW 2 128,910,831 (GRCm39) missense probably damaging 1.00
R5913:Ttl UTSW 2 128,917,961 (GRCm39) missense probably benign
R5941:Ttl UTSW 2 128,917,904 (GRCm39) missense probably benign 0.00
R6287:Ttl UTSW 2 128,931,041 (GRCm39) missense probably damaging 1.00
R6643:Ttl UTSW 2 128,923,262 (GRCm39) missense possibly damaging 0.72
R6821:Ttl UTSW 2 128,910,835 (GRCm39) missense probably damaging 1.00
R6883:Ttl UTSW 2 128,923,992 (GRCm39) missense possibly damaging 0.81
R8273:Ttl UTSW 2 128,910,853 (GRCm39) missense probably benign 0.05
R8354:Ttl UTSW 2 128,908,104 (GRCm39) missense probably damaging 1.00
R8403:Ttl UTSW 2 128,923,163 (GRCm39) missense possibly damaging 0.87
R8454:Ttl UTSW 2 128,908,104 (GRCm39) missense probably damaging 1.00
R8817:Ttl UTSW 2 128,910,778 (GRCm39) missense probably damaging 1.00
Predicted Primers PCR Primer
(F):5'- AGGACATGGCTTTGGAATCAC -3'
(R):5'- TTGCAATCCAAACGTTGCC -3'

Sequencing Primer
(F):5'- TGGCTTTGGAATCACACCAG -3'
(R):5'- AAACGTTGCCCTCCCCG -3'
Posted On 2016-05-26