Genetic Variant TMA16:c.388+8C>T (chr4-163515469-C-T) – ACMG Classification: Benign (-16 pts)

Variant summary

Our verdict is Benign. Variant got -16 ACMG points: 0P and 16B. BP4_StrongBP6_Very_StrongBS2

The NM_018352.3(TMA16):c.388+8C>T variant causes a splice region, intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00082 in 1,602,690 control chromosomes in the GnomAD database, including 3 homozygotes. In-silico tool predicts a benign outcome for this variant. 2/3 splice prediction tools predict no significant impact on normal splicing. Variant has been reported in ClinVar as Benign (★★).

Frequency

Genomes: 𝑓 0.0044 ( 1 hom., cov: 32)

Exomes 𝑓: 0.00045 ( 2 hom. )

Consequence

TMA16
NM_018352.3 splice_region, intron

Scores

Splicing: ADA: 0.00007493

Clinical Significance

Benign criteria provided, multiple submitters, no conflicts B:2

Conservation

PhyloP100: -0.681

Variant links:

Genes affected

TMA16 (HGNC:25638): (translation machinery associated 16 homolog) Located in nucleolus and nucleoplasm. [provided by Alliance of Genome Resources, Apr 2022]

TMA16 links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -16 ACMG points.

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.8).

BP6

Variant 4-163515469-C-T is Benign according to our data. Variant chr4-163515469-C-T is described in ClinVar as [Benign]. Clinvar id is 715601.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

BS2

High Homozygotes in GnomAdExome4 at 2 AR gene

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
TMA16	NM_018352.3 link	c.388+8C>T		splice_region_variant, intron_variant	Intron 5 of 6	ENST00000358572.10	NP_060822.2	Q96EY4

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
TMA16	ENST00000358572.10 link	c.388+8C>T		splice_region_variant, intron_variant	Intron 5 of 6	1	NM_018352.3	ENSP00000351380.5		Q96EY4

Frequencies

GnomAD3 genomes

AF:

0.00435

AC:

661

AN:

152064

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0142

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00360

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.000118

Gnomad OTH

AF:

0.00431

GnomAD3 exomes

AF:

0.00126

AC:

300

AN:

237342

Hom.:

AF XY:

0.000878

AC XY:

113

AN XY:

128758

show subpopulations

Gnomad AFR exome

AF:

0.0169

Gnomad AMR exome

AF:

0.000899

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad SAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.0000941

Gnomad NFE exome

AF:

0.0000640

Gnomad OTH exome

AF:

0.000696

GnomAD4 exome

AF:

0.000449

AC:

651

AN:

1450508

Hom.:

Cov.:

AF XY:

0.000351

AC XY:

253

AN XY:

721228

show subpopulations

Gnomad4 AFR exome

AF:

0.0149

Gnomad4 AMR exome

AF:

0.000964

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.00

Gnomad4 SAS exome

AF:

0.0000238

Gnomad4 FIN exome

AF:

0.0000376

Gnomad4 NFE exome

AF:

0.0000325

Gnomad4 OTH exome

AF:

0.00119

GnomAD4 genome

AF:

0.00436

AC:

663

AN:

152182

Hom.:

Cov.:

AF XY:

0.00433

AC XY:

322

AN XY:

74406

show subpopulations

Gnomad4 AFR

AF:

0.0142

Gnomad4 AMR

AF:

0.00360

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.00

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.000118

Gnomad4 OTH

AF:

0.00426

Alfa

AF:

0.00151

Hom.:

Bravo

AF:

0.00537

ClinVar

Significance: Benign

Submissions summary: Benign:2

Revision: criteria provided, multiple submitters, no conflicts

LINK: link

Submissions by phenotype

not provided

Benign:2

Breakthrough Genomics, Breakthrough Genomics

Significance: Benign

Review Status: criteria provided, single submitter

Collection Method: not provided

- -

Jun 05, 2018

Labcorp Genetics (formerly Invitae), Labcorp

Significance: Benign

Review Status: criteria provided, single submitter

Collection Method: clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.80

CADD

Benign

6.0

DANN

Benign

0.42

Splicing

Name

Calibrated prediction

Score

Prediction

dbscSNV1_ADA

Benign

0.000075

dbscSNV1_RF

Benign

0.010

SpliceAI score (max)

0.27

Details are displayed if max score is > 0.2

DS_DG_spliceai

0.27

Position offset: -6

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.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over