chr2-218738089-C-T

Variant summary

Our verdict is Benign. Variant got -12 ACMG points: 0P and 12B. BP4_StrongBP6_Very_Strong

The NM_014640.5(TTLL4):​c.413C>T​(p.Ser138Leu) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000336 in 1,614,050 control chromosomes in the GnomAD database, including 2 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★★).

Frequency

Genomes: 𝑓 0.0013 ( 1 hom., cov: 32)
Exomes 𝑓: 0.00023 ( 1 hom. )

Consequence

TTLL4
NM_014640.5 missense

Scores

6
13

Clinical Significance

Likely benign criteria provided, multiple submitters, no conflicts B:2

Conservation

PhyloP100: 2.83
Variant links:
Genes affected
TTLL4 (HGNC:28976): (tubulin tyrosine ligase like 4) Predicted to enable tubulin binding activity and tubulin-glutamic acid ligase activity. Predicted to be involved in microtubule cytoskeleton organization and protein polyglutamylation. Predicted to act upstream of or within regulation of blastocyst development. Predicted to be located in cytosol. Predicted to be active in cilium. [provided by Alliance of Genome Resources, Apr 2022]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -12 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.004477769).
BP6
Variant 2-218738089-C-T is Benign according to our data. Variant chr2-218738089-C-T is described in ClinVar as [Likely_benign]. Clinvar id is 714147.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
TTLL4NM_014640.5 linkc.413C>T p.Ser138Leu missense_variant 3/20 ENST00000392102.6 NP_055455.3 Q14679A0A024R424

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
TTLL4ENST00000392102.6 linkc.413C>T p.Ser138Leu missense_variant 3/201 NM_014640.5 ENSP00000375951.1 Q14679

Frequencies

GnomAD3 genomes
AF:
0.00133
AC:
202
AN:
152056
Hom.:
1
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00418
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000983
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.000194
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.000147
Gnomad OTH
AF:
0.00143
GnomAD3 exomes
AF:
0.000498
AC:
125
AN:
251252
Hom.:
1
AF XY:
0.000471
AC XY:
64
AN XY:
135776
show subpopulations
Gnomad AFR exome
AF:
0.00449
Gnomad AMR exome
AF:
0.000839
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.000217
Gnomad SAS exome
AF:
0.0000980
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.000123
Gnomad OTH exome
AF:
0.000326
GnomAD4 exome
AF:
0.000233
AC:
341
AN:
1461876
Hom.:
1
Cov.:
88
AF XY:
0.000219
AC XY:
159
AN XY:
727238
show subpopulations
Gnomad4 AFR exome
AF:
0.00511
Gnomad4 AMR exome
AF:
0.00107
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.000151
Gnomad4 SAS exome
AF:
0.0000464
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000612
Gnomad4 OTH exome
AF:
0.000679
GnomAD4 genome
AF:
0.00133
AC:
202
AN:
152174
Hom.:
1
Cov.:
32
AF XY:
0.00140
AC XY:
104
AN XY:
74396
show subpopulations
Gnomad4 AFR
AF:
0.00417
Gnomad4 AMR
AF:
0.000982
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.000194
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.000147
Gnomad4 OTH
AF:
0.00142
Alfa
AF:
0.000846
Hom.:
0
Bravo
AF:
0.00161
ESP6500AA
AF:
0.00477
AC:
21
ESP6500EA
AF:
0.000233
AC:
2
ExAC
AF:
0.000552
AC:
67
Asia WGS
AF:
0.000289
AC:
1
AN:
3478
EpiCase
AF:
0.000109
EpiControl
AF:
0.0000593

ClinVar

Significance: Likely benign
Submissions summary: Benign:2
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

not provided Benign:2
Likely benign, criteria provided, single submitterclinical testingLabcorp Genetics (formerly Invitae), LabcorpMay 24, 2018- -
Likely benign, criteria provided, single submitternot providedBreakthrough Genomics, Breakthrough Genomics-- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.11
BayesDel_addAF
Benign
-0.38
T
BayesDel_noAF
Benign
-0.32
CADD
Uncertain
25
DANN
Uncertain
1.0
DEOGEN2
Benign
0.015
T;.;T;T
Eigen
Uncertain
0.25
Eigen_PC
Benign
0.20
FATHMM_MKL
Uncertain
0.96
D
LIST_S2
Uncertain
0.88
.;D;D;D
M_CAP
Benign
0.020
T
MetaRNN
Benign
0.0045
T;T;T;T
MetaSVM
Benign
-1.0
T
MutationAssessor
Benign
1.9
L;.;.;L
PrimateAI
Benign
0.34
T
PROVEAN
Benign
-0.85
N;D;N;N
REVEL
Benign
0.15
Sift
Uncertain
0.0030
D;D;D;D
Sift4G
Uncertain
0.019
D;D;D;D
Polyphen
0.99
D;.;D;D
Vest4
0.40
MVP
0.51
MPC
0.65
ClinPred
0.033
T
GERP RS
4.7
Varity_R
0.083
gMVP
0.43

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.0
Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

LitVar

Below is the list of publications found by LitVar. It may be empty.

Other links and lift over

dbSNP: rs140587312; hg19: chr2-219602812; API