13-112570253-A-G

Variant names:

• chr13-112570253-A-G
• rs9324313
• NM_006322.6:c.77-994T>C

Variant summary

Our verdict is Benign. The variant received -12 ACMG points: 0P and 12B. BP4_Strong BA1

The NM_006322.6(TUBGCP3):​c.77-994T>C variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.449 in 152,074 control chromosomes in the GnomAD database, including 19,765 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 0.45 (19765 hom., cov: 32)
• Consequence: TUBGCP3 NM_006322.6 intron
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: -0.176
• Publications: 4 publications found

Genes affected

TUBGCP3 (HGNC:18598): (tubulin gamma complex component 3) Enables gamma-tubulin binding activity. Predicted to be involved in meiotic cell cycle; microtubule cytoskeleton organization; and mitotic cell cycle. Located in cytoplasm and microtubule cytoskeleton. [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=-1.03).
• BA1: GnomAd4 highest subpopulation (AFR) allele frequency at 95% confidence interval = 0.821 is higher than 0.05.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_006322.6. 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
	TUBGCP3	NM_006322.6	MANE Select	c.77-994T>C		intron	N/A	NP_006313.1
	TUBGCP3	NM_001286277.2		c.77-994T>C		intron	N/A	NP_001273206.1
	TUBGCP3	NM_001286278.2		c.77-994T>C		intron	N/A	NP_001273207.1

Ensembl Transcripts

Selected	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	TUBGCP3	ENST00000261965.8	TSL:1 MANE Select	c.77-994T>C		intron	N/A	ENSP00000261965.3
	TUBGCP3	ENST00000375669.7	TSL:1	c.77-994T>C		intron	N/A	ENSP00000364821.3
	TUBGCP3	ENST00000464139.5	TSL:1	c.77-994T>C		intron	N/A	ENSP00000478276.1

Frequencies

GnomAD3 genomes AF: 0.449 AC: 68238 AN: 151956 Hom.: 19712 Cov.: 32

Gnomad AFR AF: 0.828

Gnomad AMI AF: 0.217

Gnomad AMR AF: 0.318

Gnomad ASJ AF: 0.379

Gnomad EAS AF: 0.427

Gnomad SAS AF: 0.297

Gnomad FIN AF: 0.206

Gnomad MID AF: 0.370

Gnomad NFE AF: 0.306

Gnomad OTH AF: 0.436

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

GnomAD4 genome AF: 0.449 AC: 68348 AN: 152074 Hom.: 19765 Cov.: 32 AF XY: 0.439 AC XY: 32654 AN XY: 74326

African (AFR) AF: 0.828 AC: 34361 AN: 41474

American (AMR) AF: 0.317 AC: 4846 AN: 15280

Ashkenazi Jewish (ASJ) AF: 0.379 AC: 1316 AN: 3470

East Asian (EAS) AF: 0.426 AC: 2204 AN: 5168

South Asian (SAS) AF: 0.296 AC: 1427 AN: 4822

European-Finnish (FIN) AF: 0.206 AC: 2174 AN: 10576

Middle Eastern (MID) AF: 0.378 AC: 111 AN: 294

European-Non Finnish (NFE) AF: 0.306 AC: 20783 AN: 67966

Other (OTH) AF: 0.439 AC: 929 AN: 2116

Alfa AF: 0.307 Hom.: 1739

Bravo AF: 0.475

Asia WGS AF: 0.409 AC: 1425 AN: 3478

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-1.0
CADD	Benign	2.8
DANN	Benign	0.51
PhyloP100		-0.18
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: rs9324313; hg19: chr13-113224567;