chr3-15567998-C-T

Variant names:

• chr3-15567998-C-T
• rs1384271381
• NM_012260.4:c.1255G>A

Variant summary

Our verdict is Likely pathogenic. The variant received 6 ACMG points: 6P and 0B. PM2 PP3_Strong

The NM_012260.4(HACL1):​c.1255G>A​(p.Asp419Asn) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.0000131 in 152,194 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. D419G) has been classified as Uncertain significance.

• Frequency: Genomes: 𝑓 0.000013 (0 hom., cov: 32)
• Consequence: HACL1 NM_012260.4 missense
• Clinical Significance: Uncertain significance criteria provided, single submitter U:1
• Conservation: PhyloP100: 7.67
• Publications: 0 publications found

Genes affected

HACL1 (HGNC:17856): (2-hydroxyacyl-CoA lyase 1) Enables several functions, including 2-hydroxy-3-methylhexadecanoyl-CoA lyase activity; ATP binding activity; and cation binding activity. Involved in fatty acid alpha-oxidation; phytanic acid metabolic process; and protein targeting to peroxisome. Located in nucleoplasm and peroxisome. [provided by Alliance of Genome Resources, Apr 2022]

ACMG classification

Our verdict: Likely_pathogenic. The variant received 6 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• PP3: MetaRNN computational evidence supports a deleterious effect, 0.948

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_012260.4. 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
	HACL1	NM_012260.4	MANE Select	c.1255G>A	p.Asp419Asn	missense	Exon 14 of 17	NP_036392.2	Q9UJ83-1
	HACL1	NM_001284413.2		c.1174G>A	p.Asp392Asn	missense	Exon 13 of 16	NP_001271342.1	Q9UJ83-2
	HACL1	NM_001284415.2		c.1075G>A	p.Asp359Asn	missense	Exon 12 of 15	NP_001271344.1	Q9UJ83-4

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	HACL1	ENST00000321169.10	TSL:1 MANE Select	c.1255G>A	p.Asp419Asn	missense	Exon 14 of 17	ENSP00000323811.5	Q9UJ83-1
	HACL1	ENST00000383779.8	TSL:1	n.*716G>A		non_coding_transcript_exon	Exon 12 of 15	ENSP00000373289.4	Q7Z773
	HACL1	ENST00000383779.8	TSL:1	n.*716G>A		3_prime_UTR	Exon 12 of 15	ENSP00000373289.4	Q7Z773

Frequencies

GnomAD3 genomes AF: 0.0000131 AC: 2 AN: 152194 Hom.: 0 Cov.: 32

Gnomad AFR AF: 0.0000483

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: 0.00

Gnomad OTH AF: 0.00

GnomAD4 exome Cov.: 31

GnomAD4 genome AF: 0.0000131 AC: 2 AN: 152194 Hom.: 0 Cov.: 32 AF XY: 0.0000134 AC XY: 1 AN XY: 74354

African (AFR) AF: 0.0000483 AC: 2 AN: 41446

American (AMR) AF: 0.00 AC: 0 AN: 15288

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 3472

East Asian (EAS) AF: 0.00 AC: 0 AN: 5200

South Asian (SAS) AF: 0.00 AC: 0 AN: 4832

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 10614

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

European-Non Finnish (NFE) AF: 0.00 AC: 0 AN: 68028

Other (OTH) AF: 0.00 AC: 0 AN: 2086

Alfa AF: 0.00 Hom.: 0

ClinVar

ClinVar submissions

Significance: Uncertain significance

Revision: criteria provided, single submitter

Pathogenic	VUS	Benign	Condition
-	1	-	not specified (1)

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Pathogenic	0.97
BayesDel_addAF	Benign	-0.052	T
BayesDel_noAF	Benign	-0.31
CADD	Pathogenic	29
DANN	Pathogenic	1.0
DEOGEN2	Benign	0.38	T
Eigen	Pathogenic	0.73
Eigen_PC	Pathogenic	0.70
FATHMM_MKL	Pathogenic	0.99	D
LIST_S2	Uncertain	0.95	D
M_CAP	Benign	0.048	D
MetaRNN	Pathogenic	0.95	D
MetaSVM	Benign	-0.39	T
MutationAssessor	Uncertain	2.4	M
PhyloP100		7.7
PrimateAI	Uncertain	0.56	T
PROVEAN	Pathogenic	-4.8	D
REVEL	Uncertain	0.46
Sift	Pathogenic	0.0	D
Sift4G	Uncertain	0.0060	D
Polyphen		1.0	D
Vest4		0.85
MutPred		0.86		Gain of methylation at R417 (P = 0.1428)
MVP		0.52
MPC		0.36
ClinPred		1.0	D
GERP RS		5.5
RBP_binding_hub_radar		0.0
RBP_regulation_power_radar		1.7
Varity_R		0.87
gMVP		0.89
Mutation Taster		=13/87	disease causing

Splicing

Name	Calibrated prediction	Score	Prediction
SpliceAI score (max)		0.050		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: rs1384271381; hg19: chr3-15609505;