rs2290305

Variant summary

Our verdict is Likely benign. Variant got -2 ACMG points: 2P and 4B. PM2BP4_Strong

The NM_001387446.1(TTLL3):​c.1634T>A​(p.Met545Lys) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000373 in 1,610,550 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 12/18 in silico tools predict a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 32)
Exomes 𝑓: 0.0000034 ( 0 hom. )

Consequence

TTLL3
NM_001387446.1 missense

Scores

1
15

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 2.35
Variant links:
Genes affected
TTLL3 (HGNC:24483): (tubulin tyrosine ligase like 3) Enables protein-glycine ligase activity. Predicted to be involved in axoneme assembly and flagellated sperm motility. Predicted to be located in axoneme; microtubule cytoskeleton; and sperm flagellum. [provided by Alliance of Genome Resources, Apr 2022]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -2 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.033823192).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
TTLL3NM_001387446.1 linkuse as main transcriptc.1634T>A p.Met545Lys missense_variant 11/14 ENST00000685419.1 NP_001374375.1
ARPC4-TTLL3NM_001198793.1 linkuse as main transcriptc.1688T>A p.Met563Lys missense_variant 11/12 NP_001185722.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
TTLL3ENST00000685419.1 linkuse as main transcriptc.1634T>A p.Met545Lys missense_variant 11/14 NM_001387446.1 ENSP00000510679 A2

Frequencies

GnomAD3 genomes
AF:
0.00000658
AC:
1
AN:
152044
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.000193
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.00
Gnomad OTH
AF:
0.00
GnomAD4 exome
AF:
0.00000343
AC:
5
AN:
1458506
Hom.:
0
Cov.:
101
AF XY:
0.00000276
AC XY:
2
AN XY:
725076
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
9.01e-7
Gnomad4 OTH exome
AF:
0.0000664
GnomAD4 genome
AF:
0.00000658
AC:
1
AN:
152044
Hom.:
0
Cov.:
32
AF XY:
0.00
AC XY:
0
AN XY:
74268
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.000193
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.00
Gnomad4 OTH
AF:
0.00

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_addAF
Benign
-0.20
T
BayesDel_noAF
Benign
-0.53
CADD
Benign
16
DANN
Benign
0.79
Eigen
Benign
-0.98
Eigen_PC
Benign
-0.76
FATHMM_MKL
Benign
0.16
N
LIST_S2
Benign
0.81
T;T;T;.;D;T
M_CAP
Benign
0.0061
T
MetaRNN
Benign
0.034
T;T;T;T;T;T
MetaSVM
Benign
-0.99
T
MutationTaster
Benign
1.0
P;P;P;P;P;P;P;P
PrimateAI
Uncertain
0.48
T
PROVEAN
Benign
3.4
N;N;N;N;N;N
REVEL
Benign
0.12
Sift
Benign
0.47
T;T;T;T;T;T
Sift4G
Benign
1.0
T;T;T;T;T;T
Polyphen
0.0
.;.;.;B;B;B
Vest4
0.23
MVP
0.014
MPC
0.13
ClinPred
0.21
T
GERP RS
4.1
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.1
gMVP
0.67

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: rs2290305; hg19: chr3-9871030; API