dbSNP rs373197800: HINT1:p.Arg95Gln (chr5-131159544-C-T) – ACMG Classification: Pathogenic (10 pts)

Variant summary

Our verdict is Pathogenic. The variant received 10 ACMG points: 10P and 0B. PM1PM2PP2PP3_StrongPP5

The NM_005340.7(HINT1):c.284G>A(p.Arg95Gln) variant causes a missense change. The variant allele was found at a frequency of 0.0000297 in 1,613,712 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 Conflicting classifications of pathogenicity (no stars).

Frequency

Genomes: 𝑓 0.000013 ( 0 hom., cov: 32)

Exomes 𝑓: 0.000031 ( 0 hom. )

Consequence

HINT1
NM_005340.7 missense

Scores

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications P:2U:2

Conservation

PhyloP100: 7.18

Publications

6 publications found

Variant links:

Genes affected

HINT1 (HGNC:4912): (histidine triad nucleotide binding protein 1) This gene encodes a protein that hydrolyzes purine nucleotide phosphoramidates substrates, including AMP-morpholidate, AMP-N-alanine methyl ester, AMP-alpha-acetyl lysine methyl ester, and AMP-NH2. The encoded protein interacts with these substrates via a histidine triad motif. This gene is considered a tumor suppressor gene. In addition, mutations in this gene can cause autosomal recessive neuromyotonia and axonal neuropathy. There are several related pseudogenes on chromosome 7. Several transcript variants have been observed. [provided by RefSeq, Dec 2015]

HINT1 Gene-Disease associations (from GenCC):

Charcot-Marie-Tooth disease
Inheritance: AR Classification: DEFINITIVE Submitted by: ClinGen
Gamstorp-Wohlfart syndrome
Inheritance: AR Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: Orphanet, Labcorp Genetics (formerly Invitae), Ambry Genetics, G2P

HINT1 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Pathogenic. The variant received 10 ACMG points.

PM1

In a hotspot region, there are 4 aminoacids with missense pathogenic changes in the window of +-8 aminoacids around while only 0 benign, 10 uncertain in NM_005340.7

PM2

Very rare variant in population databases, with high coverage;

PP2

Missense variant in the gene, where a lot of missense mutations are associated with disease in ClinVar. The gene has 10 curated pathogenic missense variants (we use a threshold of 10). The gene has 1 curated benign missense variants. Gene score misZ: 0.44207 (below the threshold of 3.09). Trascript score misZ: 0.49961 (below the threshold of 3.09). GenCC associations: The gene is linked to Gamstorp-Wohlfart syndrome, Charcot-Marie-Tooth disease.

PP3

MetaRNN computational evidence supports a deleterious effect, 0.971

PP5

Variant 5-131159544-C-T is Pathogenic according to our data. Variant chr5-131159544-C-T is described in ClinVar as Conflicting_classifications_of_pathogenicity. ClinVar VariationId is 811058.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_005340.7. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
HINT1	NM_005340.7	MANE Select	c.284G>A	p.Arg95Gln	missense	Exon 3 of 3	NP_005331.1	P49773
HINT1	NM_001437949.1		c.*2838G>A		3_prime_UTR	Exon 3 of 3	NP_001424878.1	D6RD60
HINT1	NM_001437950.1		c.*3007G>A		3_prime_UTR	Exon 2 of 2	NP_001424879.1	D6RE99

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
HINT1	ENST00000304043.10	TSL:1 MANE Select	c.284G>A	p.Arg95Gln	missense	Exon 3 of 3	ENSP00000304229.5	P49773
HINT1	ENST00000508495.5	TSL:1	n.*236G>A		non_coding_transcript_exon	Exon 4 of 4	ENSP00000424974.1	D6REP8
HINT1	ENST00000508495.5	TSL:1	n.*236G>A		3_prime_UTR	Exon 4 of 4	ENSP00000424974.1	D6REP8

Frequencies

GnomAD3 genomes

AF:

0.0000132

AC:

AN:

151994

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000242

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:

0.0000147

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.0000239

AC:

AN:

251382

AF XY:

0.0000221

show subpopulations

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:

0.0000440

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000315

AC:

AN:

1461718

Hom.:

Cov.:

AF XY:

0.0000248

AC XY:

AN XY:

727176

show subpopulations

African (AFR)

AF:

0.0000299

AC:

AN:

33480

American (AMR)

AF:

0.00

AC:

AN:

44722

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26132

East Asian (EAS)

AF:

0.00

AC:

AN:

39692

South Asian (SAS)

AF:

0.0000116

AC:

AN:

86254

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53420

Middle Eastern (MID)

AF:

0.000348

AC:

AN:

5746

European-Non Finnish (NFE)

AF:

0.0000378

AC:

AN:

1111886

Other (OTH)

AF:

0.00

AC:

AN:

60386

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.477

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Variant carriers

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

GnomAD4 genome

AF:

0.0000132

AC:

AN:

151994

Hom.:

Cov.:

AF XY:

0.0000269

AC XY:

AN XY:

74238

show subpopulations

African (AFR)

AF:

0.0000242

AC:

AN:

41360

American (AMR)

AF:

0.00

AC:

AN:

15258

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3470

East Asian (EAS)

AF:

0.00

AC:

AN:

5190

South Asian (SAS)

AF:

0.00

AC:

AN:

4816

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10576

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.0000147

AC:

AN:

68010

Other (OTH)

AF:

0.00

AC:

AN:

2086

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

Age Distribution

Genome Het

Variant carriers

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

Alfa

AF:

0.0000602

Hom.:

ESP6500AA

AF:

0.00

AC:

ESP6500EA

AF:

0.000116

AC:

ExAC

AF:

0.0000247

AC:

ClinVar

ClinVar submissions as Germline

Significance:Conflicting classifications of pathogenicity

Revision:criteria provided, conflicting classifications

View on ClinVar

Pathogenic

VUS

Benign

Condition

Autosomal recessive axonal neuropathy with neuromyotonia (3)

not provided (1)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Pathogenic

0.90

BayesDel_addAF

Uncertain

0.12

BayesDel_noAF

Uncertain

0.070

CADD

Uncertain

(source)

DANN

Pathogenic

1.0

DEOGEN2

Pathogenic

0.92

Eigen

Pathogenic

0.75

Eigen_PC

Uncertain

0.64

FATHMM_MKL

Uncertain

0.94

LIST_S2

Uncertain

0.88

M_CAP

Pathogenic

0.31

MetaRNN

Pathogenic

0.97

MetaSVM

Pathogenic

0.92

MutationAssessor

Pathogenic

3.8

PhyloP100

7.2

PrimateAI

Uncertain

0.56

PROVEAN

Uncertain

-3.9

REVEL

Pathogenic

0.85

Sift

Benign

0.038

Sift4G

Uncertain

0.029

Polyphen

1.0

Vest4

0.89

MVP

0.95

MPC

1.2

ClinPred

0.98

GERP RS

3.5

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.7

Varity_R

0.86

gMVP

0.85

Mutation Taster

=36/64

disease causing

(source)

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

Age Distribution

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over