6-167341487-G-T

Variant summary

Our verdict is Benign. Variant got -12 ACMG points: 0P and 12B. BP4_StrongBA1

The NM_031949.5(TTLL2):​c.1587G>T​(p.Gln529His) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.028 in 1,614,076 control chromosomes in the GnomAD database, including 1,329 homozygotes. In-silico tool predicts a benign outcome for this variant. 13/20 in silico tools predict a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another nucleotide change resulting in same amino acid change has been previously reported as Likely benignin UniProt.

Frequency

Genomes: 𝑓 0.027 ( 122 hom., cov: 31)
Exomes 𝑓: 0.028 ( 1207 hom. )

Consequence

TTLL2
NM_031949.5 missense

Scores

3
15

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: -0.602
Variant links:
Genes affected
TTLL2 (HGNC:21211): (tubulin tyrosine ligase like 2) 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 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=0.0017136633).
BA1
GnomAd4 highest subpopulation (AMR) allele frequency at 95% confidence interval = 0.0961 is higher than 0.05.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
TTLL2NM_031949.5 linkuse as main transcriptc.1587G>T p.Gln529His missense_variant 3/3 ENST00000239587.10 NP_114155.4 Q9BWV7
TTLL2NM_001410948.1 linkuse as main transcriptc.1368G>T p.Gln456His missense_variant 2/2 NP_001397877.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
TTLL2ENST00000239587.10 linkuse as main transcriptc.1587G>T p.Gln529His missense_variant 3/31 NM_031949.5 ENSP00000239587.5 Q9BWV7
TTLL2ENST00000515138.1 linkuse as main transcriptn.1587G>T non_coding_transcript_exon_variant 3/61 ENSP00000424130.1 Q9BWV7
TTLL2ENST00000649884.1 linkuse as main transcriptc.1368G>T p.Gln456His missense_variant 2/2 ENSP00000497040.1 A0A3B3IRU1

Frequencies

GnomAD3 genomes
AF:
0.0274
AC:
4165
AN:
152072
Hom.:
119
Cov.:
31
show subpopulations
Gnomad AFR
AF:
0.00998
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.100
Gnomad ASJ
AF:
0.0141
Gnomad EAS
AF:
0.0592
Gnomad SAS
AF:
0.0234
Gnomad FIN
AF:
0.0305
Gnomad MID
AF:
0.0159
Gnomad NFE
AF:
0.0197
Gnomad OTH
AF:
0.0402
GnomAD3 exomes
AF:
0.0427
AC:
10749
AN:
251470
Hom.:
654
AF XY:
0.0377
AC XY:
5123
AN XY:
135910
show subpopulations
Gnomad AFR exome
AF:
0.00787
Gnomad AMR exome
AF:
0.170
Gnomad ASJ exome
AF:
0.0133
Gnomad EAS exome
AF:
0.0503
Gnomad SAS exome
AF:
0.0226
Gnomad FIN exome
AF:
0.0283
Gnomad NFE exome
AF:
0.0191
Gnomad OTH exome
AF:
0.0336
GnomAD4 exome
AF:
0.0280
AC:
40984
AN:
1461886
Hom.:
1207
Cov.:
33
AF XY:
0.0271
AC XY:
19685
AN XY:
727246
show subpopulations
Gnomad4 AFR exome
AF:
0.00717
Gnomad4 AMR exome
AF:
0.162
Gnomad4 ASJ exome
AF:
0.0152
Gnomad4 EAS exome
AF:
0.0700
Gnomad4 SAS exome
AF:
0.0221
Gnomad4 FIN exome
AF:
0.0300
Gnomad4 NFE exome
AF:
0.0225
Gnomad4 OTH exome
AF:
0.0286
GnomAD4 genome
AF:
0.0274
AC:
4175
AN:
152190
Hom.:
122
Cov.:
31
AF XY:
0.0293
AC XY:
2178
AN XY:
74412
show subpopulations
Gnomad4 AFR
AF:
0.00995
Gnomad4 AMR
AF:
0.100
Gnomad4 ASJ
AF:
0.0141
Gnomad4 EAS
AF:
0.0596
Gnomad4 SAS
AF:
0.0235
Gnomad4 FIN
AF:
0.0305
Gnomad4 NFE
AF:
0.0197
Gnomad4 OTH
AF:
0.0422
Alfa
AF:
0.0266
Hom.:
90
Bravo
AF:
0.0342
TwinsUK
AF:
0.0243
AC:
90
ALSPAC
AF:
0.0231
AC:
89
ESP6500AA
AF:
0.00908
AC:
40
ESP6500EA
AF:
0.0194
AC:
167
ExAC
AF:
0.0366
AC:
4443
Asia WGS
AF:
0.0610
AC:
213
AN:
3478
EpiCase
AF:
0.0173
EpiControl
AF:
0.0168

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.10
BayesDel_addAF
Benign
-0.74
T
BayesDel_noAF
Benign
-0.70
CADD
Benign
7.5
DANN
Uncertain
0.99
DEOGEN2
Benign
0.0077
.;T
Eigen
Benign
-0.50
Eigen_PC
Benign
-0.71
FATHMM_MKL
Benign
0.031
N
LIST_S2
Benign
0.40
T;.
MetaRNN
Benign
0.0017
T;T
MetaSVM
Benign
-0.95
T
MutationAssessor
Benign
0.97
.;L
PrimateAI
Benign
0.20
T
PROVEAN
Benign
-1.8
.;N
REVEL
Benign
0.022
Sift
Uncertain
0.0020
.;D
Sift4G
Uncertain
0.021
.;D
Polyphen
0.98
.;D
Vest4
0.039
MutPred
0.25
.;Gain of catalytic residue at Q529 (P = 0.0214);
MPC
0.44
ClinPred
0.021
T
GERP RS
0.78
Varity_R
0.11
gMVP
0.32

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: rs12528714; hg19: chr6-167754975; COSMIC: COSV53442971; COSMIC: COSV53442971; API