rs17149524

Variant names:

• chr9-132681420-A-G
• rs17149524
• NM_012204.4:c.2184+1617A>G

Variant summary

Our verdict is Benign. Variant got -12 ACMG points: 0P and 12B. BP4_Strong BA1

The NM_012204.4(GTF3C4):​c.2184+1617A>G variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0246 in 152,320 control chromosomes in the GnomAD database, including 163 homozygotes. In-silico tool predicts a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

• Frequency: Genomes: 𝑓 0.025 (163 hom., cov: 32)
• Consequence: GTF3C4 NM_012204.4 intron
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 0.203

Genes affected

GTF3C4 (HGNC:4667): (general transcription factor IIIC subunit 4) Predicted to enable enzyme activator activity. Predicted to contribute to DNA binding activity. Predicted to be involved in 5S class rRNA transcription by RNA polymerase III and tRNA transcription by RNA polymerase III. Located in mitochondrion and nucleoplasm. Part of transcription factor TFIIIC complex. [provided by Alliance of Genome Resources, Apr 2022]

ACMG classification

Verdict is Benign. Variant got -12 ACMG points.

• BP4: Computational evidence support a benign effect (BayesDel_noAF=-0.82).
• BA1: GnomAd4 highest subpopulation (AFR) allele frequency at 95% confidence interval = 0.084 is higher than 0.05.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
GTF3C4	NM_012204.4	c.2184+1617A>G		intron_variant	Intron 2 of 4	ENST00000372146.5	NP_036336.2
GTF3C4	NR_133925.1	n.2748+1617A>G		intron_variant	Intron 2 of 5

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
GTF3C4	ENST00000372146.5	c.2184+1617A>G		intron_variant	Intron 2 of 4	1	NM_012204.4	ENSP00000361219.4

Frequencies

GnomAD3 genomes AF: 0.0246 AC: 3739 AN: 152202 Hom.: 163 Cov.: 32

Gnomad AFR AF: 0.0865

Gnomad AMI AF: 0.00

Gnomad AMR AF: 0.00733

Gnomad ASJ AF: 0.00

Gnomad EAS AF: 0.00

Gnomad SAS AF: 0.000414

Gnomad FIN AF: 0.00

Gnomad MID AF: 0.00

Gnomad NFE AF: 0.000162

Gnomad OTH AF: 0.0153

We have no GnomAD4 exomes data on this position. Probably position not covered by the project.

GnomAD4 genome AF: 0.0246 AC: 3747 AN: 152320 Hom.: 163 Cov.: 32 AF XY: 0.0236 AC XY: 1756 AN XY: 74480

Gnomad4 AFR AF: 0.0864

Gnomad4 AMR AF: 0.00732

Gnomad4 ASJ AF: 0.00

Gnomad4 EAS AF: 0.00

Gnomad4 SAS AF: 0.000414

Gnomad4 FIN AF: 0.00

Gnomad4 NFE AF: 0.000162

Gnomad4 OTH AF: 0.0151

Alfa AF: 0.0157 Hom.: 16

Bravo AF: 0.0285

Asia WGS AF: 0.00346 AC: 12 AN: 3478

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.82
CADD	Benign	5.0
DANN	Benign	0.72

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

Other links and lift over

dbSNP: rs17149524; hg19: chr9-135556807;