15-29268818-C-T

Variant names:

• chr15-29268818-C-T
• rs1024982270
• NM_138704.4:c.888G>A

Variant summary

Our verdict is Likely benign. The variant received -5 ACMG points: 2P and 7B. PM2 BP4_Strong BP6_Moderate BP7

The NM_138704.4(NSMCE3):​c.888G>A​(p.Gln296Gln) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000131 in 152,158 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★).

• Frequency: Genomes: 𝑓 0.000013 (0 hom., cov: 32)
• Consequence: NSMCE3 NM_138704.4 synonymous
• Clinical Significance: Likely benign criteria provided, single submitter B:1
• Conservation: PhyloP100: 0.740
• Publications: 0 publications found

Genes affected

NSMCE3 (HGNC:7677): (NSE3 homolog, SMC5-SMC6 complex component) The protein encoded by this gene is part of the SMC5-6 chromatin reorganizing complex and is a member of the MAGE superfamily. This is an intronless gene. [provided by RefSeq, May 2011]

ENTREP2 (HGNC:29075): (endosomal transmembrane epsin interactor 2) Predicted to be integral component of membrane. [provided by Alliance of Genome Resources, Apr 2022]

ACMG classification

Our verdict: Likely_benign. The variant received -5 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (BayesDel_noAF=-0.8).
• BP6: Variant 15-29268818-C-T is Benign according to our data. Variant chr15-29268818-C-T is described in ClinVar as Likely_benign. ClinVar VariationId is 2893039.Status of the report is criteria_provided_single_submitter, 1 stars.
• BP7: Synonymous conserved (PhyloP=0.74 with no splicing effect.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_138704.4. 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
	NSMCE3	NM_138704.4	MANE Select	c.888G>A	p.Gln296Gln	synonymous	Exon 1 of 1	NP_619649.1	Q96MG7
	ENTREP2	NM_015307.2	MANE Select	c.277-16340G>A		intron	N/A	NP_056122.1	O60320-1
	ENTREP2	NM_001387214.1		c.277-16340G>A		intron	N/A	NP_001374143.1

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	NSMCE3	ENST00000332303.6	TSL:6 MANE Select	c.888G>A	p.Gln296Gln	synonymous	Exon 1 of 1	ENSP00000330694.4	Q96MG7
	ENTREP2	ENST00000261275.5	TSL:5 MANE Select	c.277-16340G>A		intron	N/A	ENSP00000261275.4	O60320-1
	ENTREP2	ENST00000918355.1		c.277-16340G>A		intron	N/A	ENSP00000588414.1

Frequencies

GnomAD3 genomes AF: 0.0000131 AC: 2 AN: 152158 Hom.: 0 Cov.: 32

Gnomad AFR AF: 0.0000483

Gnomad AMI AF: 0.00

Gnomad AMR AF: 0.00

Gnomad ASJ AF: 0.00

Gnomad EAS AF: 0.00

Gnomad SAS AF: 0.00

Gnomad FIN AF: 0.00

Gnomad MID AF: 0.00

Gnomad NFE AF: 0.00

Gnomad OTH AF: 0.00

GnomAD4 exome Cov.: 30

GnomAD4 genome AF: 0.0000131 AC: 2 AN: 152158 Hom.: 0 Cov.: 32 AF XY: 0.0000135 AC XY: 1 AN XY: 74326

African (AFR) AF: 0.0000483 AC: 2 AN: 41436

American (AMR) AF: 0.00 AC: 0 AN: 15276

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 3470

East Asian (EAS) AF: 0.00 AC: 0 AN: 5184

South Asian (SAS) AF: 0.00 AC: 0 AN: 4826

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 10618

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 316

European-Non Finnish (NFE) AF: 0.00 AC: 0 AN: 68030

Other (OTH) AF: 0.00 AC: 0 AN: 2090

Alfa AF: 0.00 Hom.: 0

Bravo AF: 0.00000378

ClinVar

ClinVar submissions

Significance: Likely benign

Revision: criteria provided, single submitter

Pathogenic	VUS	Benign	Condition
-	-	1	not provided (1)

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.80
CADD	Benign	6.1
DANN	Benign	0.76
PhyloP100		0.74

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: rs1024982270; hg19: chr15-29561022;