rs2303317

Variant names:

• chr9-72927026-G-A
• rs2303317
• NM_000689.5:c.504+90C>T

Your query was ambiguous. Multiple possible variants found:

• chr9-72927026-G-A
• chr9-72927026-G-T

Variant summary

Our verdict is Likely benign. The variant received -2 ACMG points: 2P and 4B. PM2 BP4_Strong

The NM_000689.5(ALDH1A1):​c.504+90C>T variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000219 in 914,498 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: 𝑓 0.0000066 (0 hom., cov: 32)
  • Exomes 𝑓: 0.0000013 (0 hom.)
• Consequence: ALDH1A1 NM_000689.5 intron
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: -0.536
• Publications: 14 publications found

Genes affected

ALDH1A1 (HGNC:402): (aldehyde dehydrogenase 1 family member A1) The protein encoded by this gene belongs to the aldehyde dehydrogenase family. Aldehyde dehydrogenase is the next enzyme after alcohol dehydrogenase in the major pathway of alcohol metabolism. There are two major aldehyde dehydrogenase isozymes in the liver, cytosolic and mitochondrial, which are encoded by distinct genes, and can be distinguished by their electrophoretic mobility, kinetic properties, and subcellular localization. This gene encodes the cytosolic isozyme. Studies in mice show that through its role in retinol metabolism, this gene may also be involved in the regulation of the metabolic responses to high-fat diet. [provided by RefSeq, Mar 2011]

ACMG classification

Our verdict: Likely_benign. The variant received -2 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (BayesDel_noAF=-0.8).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_000689.5. 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
	ALDH1A1	NM_000689.5	MANE Select	c.504+90C>T		intron	N/A	NP_000680.2

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	ALDH1A1	ENST00000297785.8	TSL:1 MANE Select	c.504+90C>T		intron	N/A	ENSP00000297785.3	P00352
	ALDH1A1	ENST00000856212.1		c.594+90C>T		intron	N/A	ENSP00000526271.1
	ALDH1A1	ENST00000966555.1		c.573+90C>T		intron	N/A	ENSP00000636614.1

Frequencies

GnomAD3 genomes AF: 0.00000658 AC: 1 AN: 151976 Hom.: 0 Cov.: 32

Gnomad AFR AF: 0.00

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: 0.0000147

Gnomad OTH AF: 0.00

GnomAD4 exome AF: 0.00000131 AC: 1 AN: 762522 Hom.: 0 Cov.: 10 AF XY: 0.00 AC XY: 0 AN XY: 393650

⚠️ 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: 18432

American (AMR) AF: 0.0000380 AC: 1 AN: 26332

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 16364

East Asian (EAS) AF: 0.00 AC: 0 AN: 34798

South Asian (SAS) AF: 0.00 AC: 0 AN: 47468

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 46588

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 3724

European-Non Finnish (NFE) AF: 0.00 AC: 0 AN: 533446

Other (OTH) AF: 0.00 AC: 0 AN: 35370

⚠️ 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 AF: 0.00000658 AC: 1 AN: 151976 Hom.: 0 Cov.: 32 AF XY: 0.0000135 AC XY: 1 AN XY: 74230

African (AFR) AF: 0.00 AC: 0 AN: 41354

American (AMR) AF: 0.00 AC: 0 AN: 15262

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 3468

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

South Asian (SAS) AF: 0.00 AC: 0 AN: 4822

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 10570

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

European-Non Finnish (NFE) AF: 0.0000147 AC: 1 AN: 68002

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

Alfa AF: 0.00 Hom.: 19254

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.80
CADD	Benign	6.7
DANN	Benign	0.54
PhyloP100		-0.54

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: rs2303317; hg19: chr9-75541942;