dbSNP rs756268971: HSDL1:p.Ala181Ser (chr16-84130111-C-A) – ACMG Classification: Uncertain_significance (4 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 4 ACMG points: 4P and 0B. PM2PP3_Moderate

The NM_031463.5(HSDL1):c.541G>T(p.Ala181Ser) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000684 in 1,461,890 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. A181T) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

HSDL1
NM_031463.5 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 2.93

Publications

0 publications found

Variant links:

Genes affected

HSDL1 (HGNC:16475): (hydroxysteroid dehydrogenase like 1) Predicted to enable oxidoreductase activity. Located in intermediate filament cytoskeleton and mitochondrion. [provided by Alliance of Genome Resources, Apr 2022]

HSDL1 links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 4 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

PP3

MetaRNN computational evidence supports a deleterious effect, 0.852

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
HSDL1	NM_031463.5 link	c.541G>T	p.Ala181Ser	missense_variant	Exon 4 of 6	ENST00000219439.9	NP_113651.4	Q3SXM5-1I6L975
HSDL1	NM_001146051.2 link	c.376G>T	p.Ala126Ser	missense_variant	Exon 5 of 7		NP_001139523.1	Q3SXM5-2I6L975
HSDL1	XM_005256189.4 link	c.541G>T	p.Ala181Ser	missense_variant	Exon 4 of 6		XP_005256246.1	Q3SXM5-1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
HSDL1	ENST00000219439.9 link	c.541G>T	p.Ala181Ser	missense_variant	Exon 4 of 6	1	NM_031463.5	ENSP00000219439.4	Q3SXM5-1
HSDL1	ENST00000434463.7 link	c.376G>T	p.Ala126Ser	missense_variant	Exon 5 of 7	2		ENSP00000407437.3	Q3SXM5-2
HSDL1	ENST00000568857.5 link	c.*208G>T		downstream_gene_variant		4		ENSP00000457026.1	H3BT52
HSDL1	ENST00000562224.1 link	c.*217G>T		downstream_gene_variant		4		ENSP00000455797.1	H3BQI7

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

6.84e-7

AC:

AN:

1461890

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

727246

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33480

American (AMR)

AF:

0.00

AC:

AN:

44724

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26136

East Asian (EAS)

AF:

0.00

AC:

AN:

39700

South Asian (SAS)

AF:

0.00

AC:

AN:

86256

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53420

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1112010

Other (OTH)

AF:

0.0000166

AC:

AN:

60396

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.575

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.11

BayesDel_addAF

Uncertain

0.12

BayesDel_noAF

Uncertain

-0.070

CADD

Uncertain

(source)

DANN

Uncertain

1.0

DEOGEN2

Benign

0.23

T;.

Eigen

Uncertain

0.30

Eigen_PC

Uncertain

0.24

FATHMM_MKL

Pathogenic

0.97

LIST_S2

Benign

0.84

T;T

M_CAP

Uncertain

0.13

MetaRNN

Pathogenic

0.85

D;D

MetaSVM

Uncertain

0.56

MutationAssessor

Benign

1.5

L;.

PhyloP100

2.9

PrimateAI

Benign

0.47

PROVEAN

Benign

-1.5

N;N

REVEL

Uncertain

0.55

Sift

Uncertain

0.015

D;D

Sift4G

Uncertain

0.051

T;D

Polyphen

0.89

P;.

Vest4

0.58

MutPred

0.71

Loss of helix (P = 0.1299);.;

MVP

0.88

MPC

0.18

ClinPred

0.91

GERP RS

5.3

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.7

Varity_R

0.22

gMVP

0.59

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.010

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

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Computational scores

Splicing

Publications

Other links and lift over