8-26512998-G-A

Variant names:

• chr8-26512998-G-A
• rs4872449
• NM_007257.6:c.-619+818C>T

Variant summary

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

The NM_007257.6(PNMA2):​c.-619+818C>T variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.341 in 152,152 control chromosomes in the GnomAD database, including 10,985 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 0.34 (10980 hom., cov: 32)
  • Exomes 𝑓: 0.46 (5 hom.)
• Consequence: PNMA2 NM_007257.6 intron
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: -0.294
• Publications: 5 publications found

Genes affected

PNMA2 (HGNC:9159): (PNMA family member 2) Predicted to be involved in positive regulation of apoptotic process. Predicted to be located in nucleolus. [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=-0.76).
• BA1: GnomAd4 highest subpopulation (EAS) allele frequency at 95% confidence interval = 0.65 is higher than 0.05.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_007257.6. 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
	PNMA2	NM_007257.6	MANE Select	c.-619+818C>T		intron	N/A	NP_009188.1

Ensembl Transcripts

Selected	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	PNMA2	ENST00000522362.7	TSL:1 MANE Select	c.-619+818C>T		intron	N/A	ENSP00000429344.1
	PNMA2	ENST00000521875.5	TSL:4	n.18C>T		non_coding_transcript_exon	Exon 1 of 3
	PNMA2	ENST00000518212.5	TSL:4	n.85+818C>T		intron	N/A

Frequencies

GnomAD3 genomes AF: 0.341 AC: 51861 AN: 151978 Hom.: 10981 Cov.: 32

Gnomad AFR AF: 0.0930

Gnomad AMI AF: 0.524

Gnomad AMR AF: 0.443

Gnomad ASJ AF: 0.419

Gnomad EAS AF: 0.670

Gnomad SAS AF: 0.193

Gnomad FIN AF: 0.438

Gnomad MID AF: 0.354

Gnomad NFE AF: 0.433

Gnomad OTH AF: 0.373

GnomAD4 exome AF: 0.464 AC: 26 AN: 56 Hom.: 5 Cov.: 0 AF XY: 0.500 AC XY: 18 AN XY: 36

African (AFR) AF: 0.00 AC: 0 AN: 2

American (AMR) AC: 0 AN: 0

Ashkenazi Jewish (ASJ) AC: 0 AN: 0

East Asian (EAS) AC: 0 AN: 0

South Asian (SAS) AC: 0 AN: 0

European-Finnish (FIN) AF: 0.500 AC: 6 AN: 12

Middle Eastern (MID) AC: 0 AN: 0

European-Non Finnish (NFE) AF: 0.474 AC: 18 AN: 38

Other (OTH) AF: 0.500 AC: 2 AN: 4

GnomAD4 genome AF: 0.341 AC: 51853 AN: 152096 Hom.: 10980 Cov.: 32 AF XY: 0.342 AC XY: 25459 AN XY: 74338

African (AFR) AF: 0.0928 AC: 3851 AN: 41518

American (AMR) AF: 0.443 AC: 6764 AN: 15284

Ashkenazi Jewish (ASJ) AF: 0.419 AC: 1452 AN: 3464

East Asian (EAS) AF: 0.669 AC: 3449 AN: 5156

South Asian (SAS) AF: 0.194 AC: 935 AN: 4832

European-Finnish (FIN) AF: 0.438 AC: 4633 AN: 10572

Middle Eastern (MID) AF: 0.344 AC: 101 AN: 294

European-Non Finnish (NFE) AF: 0.433 AC: 29414 AN: 67962

Other (OTH) AF: 0.370 AC: 780 AN: 2110

Alfa AF: 0.401 Hom.: 35272

Bravo AF: 0.340

Asia WGS AF: 0.410 AC: 1424 AN: 3478

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.76
CADD	Benign	11
DANN	Benign	0.90
PhyloP100		-0.29
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: rs4872449; hg19: chr8-26370514;