rs1329463819

Variant names:

• chr13-29487974-C-A
• rs1329463819
• NM_001033602.4:c.3474C>A

Your query was ambiguous. Multiple possible variants found:

• chr13-29487974-C-A
• chr13-29487974-C-G

Variant summary

Our verdict is Likely benign. The variant received -1 ACMG points: 2P and 3B. PM2 BP4_Moderate BP7

The NM_001033602.4(MTUS2):​c.3474C>A​(p.Ile1158Ile) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000684 in 1,461,804 control chromosomes in the GnomAD database, with no homozygous occurrence. 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: not found (cov: 32)
  • Exomes 𝑓: 6.8e-7 (0 hom.)
• Consequence: MTUS2 NM_001033602.4 synonymous
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: -0.0240
• Publications: 1 publications found

Genes affected

MTUS2 (HGNC:20595): (microtubule associated scaffold protein 2) Enables microtubule binding activity and protein homodimerization activity. Part of nucleus. Colocalizes with centrosome and cytoplasmic microtubule. [provided by Alliance of Genome Resources, Apr 2022]

MTUS2-AS1 (HGNC:40924): (MTUS2 antisense RNA 1)

ACMG classification

Our verdict: Likely_benign. The variant received -1 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (BayesDel_noAF=-0.34).
• BP7: Synonymous conserved (PhyloP=-0.024 with no splicing effect.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001033602.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	MTUS2	NM_001033602.4	MANE Select	c.3474C>A	p.Ile1158Ile	synonymous	Exon 11 of 16	NP_001028774.3	Q5JR59-2
	MTUS2	NM_001384605.1		c.3474C>A	p.Ile1158Ile	synonymous	Exon 11 of 16	NP_001371534.1	Q5JR59-2
	MTUS2	NM_001384606.1		c.3474C>A	p.Ile1158Ile	synonymous	Exon 10 of 15	NP_001371535.1	Q5JR59-2

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	MTUS2	ENST00000612955.6	TSL:5 MANE Select	c.3474C>A	p.Ile1158Ile	synonymous	Exon 11 of 16	ENSP00000483729.2	Q5JR59-2
	MTUS2	ENST00000380808.6	TSL:1	c.411C>A	p.Ile137Ile	synonymous	Exon 4 of 9	ENSP00000370186.2	Q5JR59-3
	MTUS2	ENST00000542829.1	TSL:1	c.141C>A	p.Ile47Ile	synonymous	Exon 3 of 8	ENSP00000445403.1	Q5JR59-4

Frequencies

GnomAD3 genomes Cov.: 32

GnomAD4 exome AF: 6.84e-7 AC: 1 AN: 1461804 Hom.: 0 Cov.: 30 AF XY: 0.00000138 AC XY: 1 AN XY: 727210

⚠️ The allele balance in gnomAD version 4 Exomes is significantly skewed from the expected value of 0.5.

African (AFR) AF: 0.00 AC: 0 AN: 33478

American (AMR) AF: 0.00 AC: 0 AN: 44724

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 26136

East Asian (EAS) AF: 0.00 AC: 0 AN: 39700

South Asian (SAS) AF: 0.00 AC: 0 AN: 86258

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 53346

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 5768

European-Non Finnish (NFE) AF: 8.99e-7 AC: 1 AN: 1111998

Other (OTH) AF: 0.00 AC: 0 AN: 60396

⚠️ The allele balance in gnomAD4 Exomes is highly skewed from 0.5 (p-value = 0), which strongly suggests a high chance of mosaicism in these individuals.

GnomAD4 genome Cov.: 32

Alfa AF: 0.0000284 Hom.: 0

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.34
CADD	Benign	17
DANN	Benign	0.83
PhyloP100		-0.024

Splicing

Name	Calibrated prediction	Score	Prediction
SpliceAI score (max)		0.010		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: rs1329463819; hg19: chr13-30062111;