chr18-79986891-T-C

Variant summary

Our verdict is Benign. Variant got -14 ACMG points: 0P and 14B. BP4_StrongBP6_ModerateBS1BS2

The NM_006701.5(TXNL4A):​c.153+1349A>G variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0198 in 483,418 control chromosomes in the GnomAD database, including 147 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★).

Frequency

Genomes: 𝑓 0.024 ( 76 hom., cov: 33)
Exomes 𝑓: 0.018 ( 71 hom. )

Consequence

TXNL4A
NM_006701.5 intron

Scores

2

Clinical Significance

Benign criteria provided, single submitter B:1

Conservation

PhyloP100: -2.01
Variant links:
Genes affected
TXNL4A (HGNC:30551): (thioredoxin like 4A) The protein encoded by this gene is a member of the U5 small ribonucleoprotein particle (snRNP), and is involved in pre-mRNA splicing. This protein contains a thioredoxin-like fold and it is expected to interact with multiple proteins. Protein-protein interactions have been observed with the polyglutamine tract-binding protein 1 (PQBP1). Mutations in both the coding region and promoter region of this gene have been associated with Burn-McKeown syndrome, which is a rare disorder characterized by craniofacial dysmorphisms, cardiac defects, hearing loss, and bilateral choanal atresia. A pseudogene of this gene is found on chromosome 2. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Mar 2015]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -14 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.96).
BP6
Variant 18-79986891-T-C is Benign according to our data. Variant chr18-79986891-T-C is described in ClinVar as [Benign]. Clinvar id is 1182672.Status of the report is criteria_provided_single_submitter, 1 stars.
BS1
Variant frequency is greater than expected in population afr. gnomad4 allele frequency = 0.0241 (3671/152314) while in subpopulation AFR AF= 0.0478 (1985/41564). AF 95% confidence interval is 0.046. There are 76 homozygotes in gnomad4. There are 1739 alleles in male gnomad4 subpopulation. Median coverage is 33. This position pass quality control queck.
BS2
High Homozygotes in GnomAd4 at 76 AR gene

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
TXNL4ANM_006701.5 linkuse as main transcriptc.153+1349A>G intron_variant ENST00000269601.10

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
TXNL4AENST00000269601.10 linkuse as main transcriptc.153+1349A>G intron_variant 1 NM_006701.5 P1

Frequencies

GnomAD3 genomes
AF:
0.0241
AC:
3662
AN:
152196
Hom.:
74
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.0478
Gnomad AMI
AF:
0.00658
Gnomad AMR
AF:
0.0191
Gnomad ASJ
AF:
0.0181
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00290
Gnomad FIN
AF:
0.00217
Gnomad MID
AF:
0.0127
Gnomad NFE
AF:
0.0179
Gnomad OTH
AF:
0.0306
GnomAD4 exome
AF:
0.0178
AC:
5895
AN:
331104
Hom.:
71
AF XY:
0.0179
AC XY:
2795
AN XY:
156476
show subpopulations
Gnomad4 AFR exome
AF:
0.0509
Gnomad4 AMR exome
AF:
0.0191
Gnomad4 ASJ exome
AF:
0.0184
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00422
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0175
Gnomad4 OTH exome
AF:
0.0178
GnomAD4 genome
AF:
0.0241
AC:
3671
AN:
152314
Hom.:
76
Cov.:
33
AF XY:
0.0233
AC XY:
1739
AN XY:
74478
show subpopulations
Gnomad4 AFR
AF:
0.0478
Gnomad4 AMR
AF:
0.0191
Gnomad4 ASJ
AF:
0.0181
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00269
Gnomad4 FIN
AF:
0.00217
Gnomad4 NFE
AF:
0.0179
Gnomad4 OTH
AF:
0.0331
Alfa
AF:
0.00741
Hom.:
2
Bravo
AF:
0.0258
Asia WGS
AF:
0.0130
AC:
45
AN:
3478

ClinVar

Significance: Benign
Submissions summary: Benign:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

not provided Benign:1
Benign, criteria provided, single submitterclinical testingGeneDxMay 19, 2021- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.96
CADD
Benign
0.23
DANN
Benign
0.50

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: rs116384147; hg19: chr18-77746891; API