9-132681420-A-G

Variant names:

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

Variant summary

Our verdict is Benign. The variant received -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
• Publications: 1 publications found

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

Our verdict: Benign. The variant received -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.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_012204.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Selected	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	GTF3C4	NM_012204.4	MANE Select	c.2184+1617A>G		intron	N/A	NP_036336.2
	GTF3C4	NR_133925.1		n.2748+1617A>G		intron	N/A

Ensembl Transcripts

Selected	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	GTF3C4	ENST00000372146.5	TSL:1 MANE Select	c.2184+1617A>G		intron	N/A	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

African (AFR) AF: 0.0864 AC: 3590 AN: 41554

American (AMR) AF: 0.00732 AC: 112 AN: 15298

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 3472

East Asian (EAS) AF: 0.00 AC: 0 AN: 5190

South Asian (SAS) AF: 0.000414 AC: 2 AN: 4830

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 10620

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 294

European-Non Finnish (NFE) AF: 0.000162 AC: 11 AN: 68036

Other (OTH) AF: 0.0151 AC: 32 AN: 2114

Alfa AF: 0.0161 Hom.: 20

Bravo AF: 0.0285

Asia WGS AF: 0.00346 AC: 12 AN: 3478

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.82
CADD	Benign	5.0
DANN	Benign	0.72
PhyloP100		0.20
Mutation Taster		=100/0	polymorphism (auto)

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

Other links and lift over

dbSNP: rs17149524; hg19: chr9-135556807;