rs184864123

Variant names:

• chr1-13731083-G-A
• rs184864123
• NM_001393986.1:c.93G>A

Your query was ambiguous. Multiple possible variants found:

• chr1-13731083-G-A
• chr1-13731083-G-C
• chr1-13731083-G-T

Variant summary

Our verdict is Likely benign. The variant received -3 ACMG points: 2P and 5B. PM2 BP4_Strong BP7

The NM_001393986.1(PRDM2):​c.93G>A​(p.Arg31Arg) 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 1,461,004 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: PRDM2 NM_001393986.1 synonymous
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 1.46
• Publications: 0 publications found

Genes affected

PRDM2 (HGNC:9347): (PR/SET domain 2) This tumor suppressor gene is a member of a nuclear histone/protein methyltransferase superfamily. It encodes a zinc finger protein that can bind to retinoblastoma protein, estrogen receptor, and the TPA-responsive element (MTE) of the heme-oxygenase-1 gene. Although the functions of this protein have not been fully characterized, it may (1) play a role in transcriptional regulation during neuronal differentiation and pathogenesis of retinoblastoma, (2) act as a transcriptional activator of the heme-oxygenase-1 gene, and (3) be a specific effector of estrogen action. Multiple transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Oct 2008]

ACMG classification

Our verdict: Likely_benign. The variant received -3 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (BayesDel_noAF=-0.5).
• BP7: Synonymous conserved (PhyloP=1.46 with no splicing effect.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001393986.1. 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
	PRDM2	NM_001393986.1	MANE Select	c.93G>A	p.Arg31Arg	synonymous	Exon 3 of 10	NP_001380915.1	Q13029-1
	PRDM2	NM_012231.5		c.93G>A	p.Arg31Arg	synonymous	Exon 3 of 10	NP_036363.2
	PRDM2	NM_015866.6		c.93G>A	p.Arg31Arg	synonymous	Exon 3 of 9	NP_056950.2

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	PRDM2	ENST00000311066.10	TSL:5 MANE Select	c.93G>A	p.Arg31Arg	synonymous	Exon 3 of 10	ENSP00000312352.6	Q13029-1
	PRDM2	ENST00000235372.11	TSL:1	c.93G>A	p.Arg31Arg	synonymous	Exon 3 of 10	ENSP00000235372.6	Q13029-1
	PRDM2	ENST00000376048.9	TSL:2	c.93G>A	p.Arg31Arg	synonymous	Exon 3 of 8	ENSP00000365216.5	Q13029-4

Frequencies

GnomAD3 genomes Cov.: 32

GnomAD4 exome AF: 6.84e-7 AC: 1 AN: 1461004 Hom.: 0 Cov.: 31 AF XY: 0.00 AC XY: 0 AN XY: 726820

⚠️ 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: 33450

American (AMR) AF: 0.00 AC: 0 AN: 44704

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 26108

East Asian (EAS) AF: 0.00 AC: 0 AN: 39656

South Asian (SAS) AF: 0.00 AC: 0 AN: 86190

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 53154

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 5766

European-Non Finnish (NFE) AF: 9.00e-7 AC: 1 AN: 1111604

Other (OTH) AF: 0.00 AC: 0 AN: 60372

⚠️ 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

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.50
CADD	Benign	14
DANN	Benign	0.88
PhyloP100		1.5
Mutation Taster		=95/5	polymorphism

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: rs184864123; hg19: chr1-14057578;