Genetic Variant HDHD2:p.Phe102Ile (chr18-47134502-A-T) – ACMG Classification: Uncertain_significance (3 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 3 ACMG points: 3P and 0B. PM2PP3

The NM_032124.5(HDHD2):c.304T>A(p.Phe102Ile) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.000000685 in 1,459,932 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 (★).

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

HDHD2
NM_032124.5 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 7.91

Publications

0 publications found

Variant links:

Genes affected

HDHD2 (HGNC:25364): (haloacid dehalogenase like hydrolase domain containing 2) Enables enzyme binding activity. Predicted to be involved in dephosphorylation. Located in extracellular exosome. [provided by Alliance of Genome Resources, Apr 2022]

HDHD2 links:

ENSG00000267228 (HGNC:):

ENSG00000267228 links:

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ACMG classification

Classification was made for transcript

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, 0.794

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_032124.5. 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
	HDHD2	NM_032124.5	MANE Select	c.304T>A	p.Phe102Ile	missense	Exon 3 of 7	NP_115500.1	Q9H0R4-1
	HDHD2	NM_001318765.2		c.34T>A	p.Phe12Ile	missense	Exon 3 of 7	NP_001305694.1	Q9H0R4-2

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
HDHD2	ENST00000300605.11	TSL:1 MANE Select	c.304T>A	p.Phe102Ile	missense	Exon 3 of 7	ENSP00000300605.4	Q9H0R4-1
HDHD2	ENST00000588183.5	TSL:1	n.*176T>A		non_coding_transcript_exon	Exon 3 of 7	ENSP00000466602.1	K7EKX8
HDHD2	ENST00000588183.5	TSL:1	n.*176T>A		3_prime_UTR	Exon 3 of 7	ENSP00000466602.1	K7EKX8

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

6.85e-7

AC:

AN:

1459932

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

726346

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33402

American (AMR)

AF:

0.00

AC:

AN:

44646

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26110

East Asian (EAS)

AF:

0.00

AC:

AN:

39684

South Asian (SAS)

AF:

0.00

AC:

AN:

86012

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53394

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5766

European-Non Finnish (NFE)

AF:

9.00e-7

AC:

AN:

1110592

Other (OTH)

AF:

0.00

AC:

AN:

60326

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.425

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

Alfa

AF:

0.0000936

Hom.:

ClinVar

ClinVar submissions

Significance:Uncertain significance

Revision:criteria provided, single submitter

View on ClinVar

Pathogenic

VUS

Benign

Condition

not specified (1)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Pathogenic

0.89

BayesDel_addAF

Benign

-0.00043

BayesDel_noAF

Benign

-0.24

CADD

Pathogenic

(source)

DANN

Uncertain

0.99

DEOGEN2

Benign

0.20

Eigen

Pathogenic

0.70

Eigen_PC

Pathogenic

0.69

FATHMM_MKL

Pathogenic

0.99

LIST_S2

Uncertain

0.92

M_CAP

Benign

0.041

MetaRNN

Pathogenic

0.79

MetaSVM

Benign

-0.79

MutationAssessor

Uncertain

2.8

PhyloP100

7.9

PrimateAI

Uncertain

0.62

PROVEAN

Pathogenic

-5.7

REVEL

Uncertain

0.37

Sift

Benign

0.042

Sift4G

Uncertain

0.010

Polyphen

0.95

Vest4

0.73

MutPred

0.70

Gain of helix (P = 0.062)

MVP

0.50

MPC

0.94

ClinPred

0.99

GERP RS

6.0

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.1

Varity_R

0.78

gMVP

0.90

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

Publications

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

ClinVar

Computational scores

Splicing

Publications

Other links and lift over