rs1745335

Positions:

• chr4-2143993-A-G
• chr4-2143993-A-T

Variant summary

Our verdict is Benign. Variant got -12 ACMG points: 0P and 12B. BP4_Strong BA1

The NM_181808.4(POLN):​c.1732-12703T>C variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.761 in 151,854 control chromosomes in the GnomAD database, including 46,248 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 0.76 (46248 hom., cov: 29)
• Consequence: POLN NM_181808.4 intron
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: -0.216

Genes affected

POLN (HGNC:18870): (DNA polymerase nu) This gene encodes a DNA polymerase type-A family member. The encoded protein plays a role in DNA repair and homologous recombination. This gene shares its 5' exons with some transcripts from overlapping GeneID: 79441, which encodes an augmentin-like protein complex subunit. [provided by RefSeq, Dec 2014]

ACMG classification

Verdict is Benign. Variant got -12 ACMG points.

• BP4: Computational evidence support a benign effect (BayesDel_noAF=-0.9).
• BA1: GnomAd4 highest subpopulation (NFE) allele frequency at 95% confidence interval = 0.886 is higher than 0.05.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
POLN	NM_181808.4	c.1732-12703T>C		intron_variant		ENST00000511885.6	NP_861524.2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt
POLN	ENST00000511885.6	c.1732-12703T>C		intron_variant		5	NM_181808.4	ENSP00000435506	P1
POLN	ENST00000382865.5	c.1732-12703T>C		intron_variant		1		ENSP00000372316	P1
POLN	ENST00000511098.1	c.630-12703T>C		intron_variant		1		ENSP00000426401
POLN	ENST00000514858.5	n.739-12703T>C		intron_variant, non_coding_transcript_variant		2

Frequencies

GnomAD3 genomes AF: 0.761 AC: 115514 AN: 151738 Hom.: 46244 Cov.: 29

Gnomad AFR AF: 0.507

Gnomad AMI AF: 0.774

Gnomad AMR AF: 0.760

Gnomad ASJ AF: 0.851

Gnomad EAS AF: 0.626

Gnomad SAS AF: 0.835

Gnomad FIN AF: 0.916

Gnomad MID AF: 0.785

Gnomad NFE AF: 0.892

Gnomad OTH AF: 0.756

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

GnomAD4 genome AF: 0.761 AC: 115562 AN: 151854 Hom.: 46248 Cov.: 29 AF XY: 0.763 AC XY: 56639 AN XY: 74256

Gnomad4 AFR AF: 0.507

Gnomad4 AMR AF: 0.760

Gnomad4 ASJ AF: 0.851

Gnomad4 EAS AF: 0.627

Gnomad4 SAS AF: 0.835

Gnomad4 FIN AF: 0.916

Gnomad4 NFE AF: 0.892

Gnomad4 OTH AF: 0.754

Alfa AF: 0.865 Hom.: 66760

Bravo AF: 0.735

Asia WGS AF: 0.674 AC: 2338 AN: 3472

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.90
CADD	Benign	1.8
DANN	Benign	0.51

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

Publications

LitVar

Other links and lift over

dbSNP: rs1745335; hg19: chr4-2145720;