10-17594243-T-G

Variant names:

• chr10-17594243-T-G
• rs146791312
• NM_014241.4:c.746A>C

Variant summary

Our verdict is Uncertain significance. The variant received 3 ACMG points: 3P and 0B. PM2 PP3

The NM_014241.4(HACD1):​c.746A>C​(p.Tyr249Ser) variant causes a missense change. 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. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. Y249C) has been classified as Likely benign.

• Frequency: Genomes: 𝑓 0.000013 (0 hom., cov: 33)
• Consequence: HACD1 NM_014241.4 missense
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 6.23
• Publications: 0 publications found

Genes affected

HACD1 (HGNC:9639): (3-hydroxyacyl-CoA dehydratase 1) The protein encoded by this gene contains a characteristic catalytic motif of the protein tyrosine phosphatases (PTPs) family. The PTP motif of this protein has the highly conserved arginine residue replaced by a proline residue; thus it may represent a distinct class of PTPs. Members of the PTP family are known to be signaling molecules that regulate a variety of cellular processes. This gene was preferentially expressed in both adult and fetal heart. A much lower expression level was detected in skeletal and smooth muscle tissues, and no expression was observed in other tissues. The tissue specific expression in the developing and adult heart suggests a role in regulating cardiac development and differentiation. [provided by RefSeq, Jul 2008]

HACD1 Gene-Disease associations (from GenCC):

• congenital myopathy

  Inheritance: AR Classification: DEFINITIVE Submitted by: ClinGen
• congenital myopathy 11

  Inheritance: AR Classification: DEFINITIVE Submitted by: G2P
• congenital fiber-type disproportion myopathy

  Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet

ACMG classification

Our verdict: Uncertain_significance. The variant received 3 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• PP3: MetaRNN computational evidence supports a deleterious effect, 0.747

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_014241.4. 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
	HACD1	NM_014241.4	MANE Select	c.746A>C	p.Tyr249Ser	missense	Exon 6 of 7	NP_055056.3

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	HACD1	ENST00000361271.8	TSL:1 MANE Select	c.746A>C	p.Tyr249Ser	missense	Exon 6 of 7	ENSP00000355308.3	B0YJ81-1
	HACD1	ENST00000957763.1		c.836A>C	p.Tyr279Ser	missense	Exon 7 of 8	ENSP00000627822.1
	HACD1	ENST00000957762.1		c.794A>C	p.Tyr265Ser	missense	Exon 7 of 8	ENSP00000627821.1

Frequencies

GnomAD3 genomes AF: 0.0000131 AC: 2 AN: 152194 Hom.: 0 Cov.: 33

Gnomad AFR AF: 0.0000482

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

GnomAD2 exomes AF: 0.00000426 AC: 1 AN: 234534 AF XY: 0.00

Gnomad AFR exome AF: 0.0000635

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: 0.00

Gnomad OTH exome AF: 0.00

GnomAD4 exome Cov.: 30

GnomAD4 genome AF: 0.0000131 AC: 2 AN: 152194 Hom.: 0 Cov.: 33 AF XY: 0.00 AC XY: 0 AN XY: 74350

African (AFR) AF: 0.0000482 AC: 2 AN: 41460

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

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: 4836

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 10618

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

European-Non Finnish (NFE) AF: 0.00 AC: 0 AN: 68026

Other (OTH) AF: 0.00 AC: 0 AN: 2092

Alfa AF: 0.00 Hom.: 0

Bravo AF: 0.0000113

ExAC AF: 0.00000824 AC: 1

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Benign	0.27
BayesDel_addAF	Benign	0.0068	T
BayesDel_noAF	Uncertain	-0.050
CADD	Uncertain	25
DANN	Uncertain	0.99
DEOGEN2	Benign	0.093	T
Eigen	Uncertain	0.36
Eigen_PC	Uncertain	0.46
FATHMM_MKL	Pathogenic	0.98	D
LIST_S2	Uncertain	0.94	D
M_CAP	Benign	0.028	D
MetaRNN	Pathogenic	0.75	D
MetaSVM	Benign	-1.0	T
MutationAssessor	Uncertain	2.1	M
PhyloP100		6.2
PrimateAI	Uncertain	0.77	T
PROVEAN	Pathogenic	-6.4	D
REVEL	Benign	0.27
Sift	Benign	0.035	D
Sift4G	Uncertain	0.023	D
Polyphen		0.39	B
Vest4		0.80
MutPred		0.53		Loss of stability (P = 0.0798)
MVP		0.54
MPC		1.1
ClinPred		0.92	D
GERP RS		5.7
Varity_R		0.64
gMVP		0.85
Mutation Taster		=36/64	disease causing

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: rs146791312; hg19: chr10-17636242;