3-58526510-A-T

Variant names:

• chr3-58526510-A-T
• rs1127745
• NM_003500.4:c.1302T>A
• ACOX2 p.Cys434*

Variant summary

Our verdict is Uncertain significance. The variant received 2 ACMG points: 2P and 0B. PM2

The NM_003500.4(ACOX2):​c.1302T>A​(p.Cys434*) variant causes a stop gained change involving the alteration of a non-conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a pathogenic outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Synonymous variant affecting the same amino acid position (i.e. C434C) has been classified as Benign. Variant results in nonsense mediated mRNA decay.

• Frequency: Genomes: not found (cov: 33)
• Consequence: ACOX2 NM_003500.4 stop_gained
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 0.927
• Publications: 27 publications found

Genes affected

ACOX2 (HGNC:120): (acyl-CoA oxidase 2) The product of this gene belongs to the acyl-CoA oxidase family. It encodes the branched-chain acyl-CoA oxidase which is involved in the degradation of long branched fatty acids and bile acid intermediates in peroxisomes. Deficiency of this enzyme results in the accumulation of branched fatty acids and bile acid intermediates, and may lead to Zellweger syndrome, severe cognitive disability, and death in children. [provided by RefSeq, Mar 2009]

ACOX2 Gene-Disease associations (from GenCC):

• congenital bile acid synthesis defect 6

  Inheritance: AR Classification: DEFINITIVE, LIMITED Submitted by: ClinGen, Ambry Genetics, Labcorp Genetics (formerly Invitae)

ACMG classification

Our verdict: Uncertain_significance. The variant received 2 ACMG points.

• PM2: Very rare variant in population databases, with high coverage

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_003500.4. 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
	ACOX2	NM_003500.4	MANE Select	c.1302T>A	p.Cys434*	stop_gained	Exon 10 of 15	NP_003491.1	Q99424

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	ACOX2	ENST00000302819.10	TSL:1 MANE Select	c.1302T>A	p.Cys434*	stop_gained	Exon 10 of 15	ENSP00000307697.5	Q99424
	ACOX2	ENST00000900718.1		c.1374T>A	p.Cys458*	stop_gained	Exon 10 of 15	ENSP00000570777.1
	ACOX2	ENST00000900721.1		c.1326T>A	p.Cys442*	stop_gained	Exon 10 of 15	ENSP00000570780.1

Frequencies

GnomAD3 genomes Cov.: 33

GnomAD2 exomes AF: 0.00000399 AC: 1 AN: 250698 AF XY: 0.00000738

Gnomad AFR exome AF: 0.00

Gnomad AMR exome AF: 0.00

Gnomad ASJ exome AF: 0.00

Gnomad EAS exome AF: 0.00

Gnomad FIN exome AF: 0.00

Gnomad NFE exome AF: 0.00000883

Gnomad OTH exome AF: 0.00

GnomAD4 exome Cov.: 32

GnomAD4 genome Cov.: 33

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
BayesDel_addAF	Pathogenic	0.62	D
BayesDel_noAF	Pathogenic	0.47
CADD	Pathogenic	35
DANN	Uncertain	0.98
Eigen	Benign	0.081
Eigen_PC	Benign	-0.18
FATHMM_MKL	Benign	0.69	D
PhyloP100		0.93
Mutation Taster		=14/186	disease causing (fs/PTC)

Splicing

Name	Calibrated prediction	Score	Prediction
SpliceAI score (max)		0.070		Details are displayed if max score is > 0.2

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

MaxEntScan Visualizer can be used to analyze the impact of this mutation on the neighboring sequence.

Other links and lift over

dbSNP: rs1127745;

hg19: chr3-58512237;