rs3832799

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Variant summary

Our verdict is Uncertain significance. Variant got 0 ACMG points: 0P and 0B.

The NM_004316.4(ASCL1):c.160_186del(p.Gln54_Gln62del) variant causes a inframe deletion change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000929 in 1,507,072 control chromosomes in the GnomAD database, with no homozygous occurrence. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

• Frequency:
  • Genomes: 𝑓 0.000013 (0 hom., cov: 0)
  • Exomes 𝑓: 0.0000088 (0 hom.)
• Consequence: ASCL1 NM_004316.4 inframe_deletion
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 0.809

Genes affected

ASCL1 (HGNC:738): (achaete-scute family bHLH transcription factor 1) This gene encodes a member of the basic helix-loop-helix (BHLH) family of transcription factors. The protein activates transcription by binding to the E box (5'-CANNTG-3'). Dimerization with other BHLH proteins is required for efficient DNA binding. This protein plays a role in the neuronal commitment and differentiation and in the generation of olfactory and autonomic neurons. Mutations in this gene may contribute to the congenital central hypoventilation syndrome (CCHS) phenotype in rare cases. [provided by RefSeq, Jul 2008]

PAH (HGNC:8582): (phenylalanine hydroxylase) This gene encodes a member of the biopterin-dependent aromatic amino acid hydroxylase protein family. The encoded phenylalanine hydroxylase enzyme hydroxylates phenylalanine to tyrosine and is the rate-limiting step in phenylalanine catabolism. Deficiency of this enzyme activity results in the autosomal recessive disorder phenylketonuria. [provided by RefSeq, Aug 2017]

ACMG classification

Verdict is Uncertain_significance. Variant got 0 ACMG points.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
ASCL1	NM_004316.4	c.160_186del	p.Gln54_Gln62del	inframe_deletion	1/2	ENST00000266744.4
PAH	NM_001354304.2	c.-321_-295del		5_prime_UTR_variant	1/14

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
ASCL1	ENST00000266744.4	c.160_186del	p.Gln54_Gln62del	inframe_deletion	1/2	1	NM_004316.4	P1
PAH	ENST00000547319.1			non_coding_transcript_exon_variant	1/3	4
PAH	ENST00000551337.5			upstream_gene_variant		3

Frequencies

GnomAD3 genomes AF: 0.0000133 AC: 2 AN: 150120 Hom.: 0 Cov.: 0

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: 0.0000297

Gnomad OTH AF: 0.00

GnomAD4 exome AF: 0.00000884 AC: 12 AN: 1356952 Hom.: 0 AF XY: 0.0000120 AC XY: 8 AN XY: 669242

Gnomad4 AFR exome AF: 0.00

Gnomad4 AMR exome AF: 0.00

Gnomad4 ASJ exome AF: 0.00

Gnomad4 EAS exome AF: 0.00

Gnomad4 SAS exome AF: 0.00

Gnomad4 FIN exome AF: 0.00

Gnomad4 NFE exome AF: 0.0000113

Gnomad4 OTH exome AF: 0.00

GnomAD4 genome AF: 0.0000133 AC: 2 AN: 150120 Hom.: 0 Cov.: 0 AF XY: 0.0000137 AC XY: 1 AN XY: 73222

Gnomad4 AFR AF: 0.00

Gnomad4 AMR AF: 0.00

Gnomad4 ASJ AF: 0.00

Gnomad4 EAS AF: 0.00

Gnomad4 SAS AF: 0.00

Gnomad4 FIN AF: 0.00

Gnomad4 NFE AF: 0.0000297

Gnomad4 OTH AF: 0.00

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Splicing

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

LitVar

Other links and lift over

dbSNP: rs3832799; hg19: chr12-103352171;