NM_000195.5:c.847G>A

Variant names:

Variant summary

Our verdict is Benign. The variant received -16 ACMG points: 0P and 16B. BP4_StrongBP6_Very_StrongBS1

The NM_000195.5(HPS1):c.847G>A(p.Gly283Arg) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00039 in 1,613,814 control chromosomes in the GnomAD database, including 1 homozygotes. In-silico tool predicts a benign outcome for this variant. 15/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★★). Another nucleotide change resulting in the same amino acid substitution has been previously reported as Likely benign in ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. G283A) has been classified as Likely benign.

Frequency

Genomes: 𝑓 0.0020 ( 1 hom., cov: 33)

Exomes 𝑓: 0.00022 ( 0 hom. )

Consequence

HPS1
NM_000195.5 missense

Scores

Clinical Significance

Likely benign criteria provided, multiple submitters, no conflicts B:4

Conservation

PhyloP100: -1.55

Publications

19 publications found

Variant links:

Genes affected

HPS1 (HGNC:5163): (HPS1 biogenesis of lysosomal organelles complex 3 subunit 1) This gene encodes a protein that may play a role in organelle biogenesis associated with melanosomes, platelet dense granules, and lysosomes. The encoded protein is a component of three different protein complexes termed biogenesis of lysosome-related organelles complex (BLOC)-3, BLOC4, and BLOC5. Mutations in this gene are associated with Hermansky-Pudlak syndrome type 1. Alternative splicing results in multiple transcript variants. A pseudogene related to this gene is located on chromosome 22. [provided by RefSeq, Aug 2015]

HPS1 Gene-Disease associations (from GenCC):

Hermansky-Pudlak syndrome 1
Inheritance: AR Classification: DEFINITIVE, STRONG Submitted by: G2P, ClinGen, Labcorp Genetics (formerly Invitae)
Hermansky-Pudlak syndrome with pulmonary fibrosis
Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet

HPS1 links:

ENSG00000289758 (HGNC:):

ENSG00000289758 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -16 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.0040341318).

BP6

Variant 10-98429811-C-T is Benign according to our data. Variant chr10-98429811-C-T is described in ClinVar as Likely_benign. ClinVar VariationId is 713756.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

BS1

Variant frequency is greater than expected in population afr. GnomAd4 allele frequency = 0.002 (304/152320) while in subpopulation AFR AF = 0.00673 (280/41584). AF 95% confidence interval is 0.00608. There are 1 homozygotes in GnomAd4. There are 148 alleles in the male GnomAd4 subpopulation. Median coverage is 33. This position passed quality control check.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
HPS1	NM_000195.5 link	c.847G>A	p.Gly283Arg	missense_variant	Exon 9 of 20	ENST00000361490.9	NP_000186.2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
HPS1	ENST00000361490.9 link	c.847G>A	p.Gly283Arg	missense_variant	Exon 9 of 20	1	NM_000195.5	ENSP00000355310.4		Q92902-1
ENSG00000289758	ENST00000699159.1 link	n.*227-169G>A		intron_variant	Intron 8 of 23			ENSP00000514167.1		A0A8V8TP71

Frequencies

GnomAD3 genomes

AF:

0.00200

AC:

305

AN:

152202

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00678

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000523

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.000207

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.000176

Gnomad OTH

AF:

0.00143

GnomAD2 exomes

AF:

0.000518

AC:

130

AN:

251054

AF XY:

0.000398

show subpopulations

Gnomad AFR exome

AF:

0.00647

Gnomad AMR exome

AF:

0.000405

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.0000926

Gnomad NFE exome

AF:

0.0000441

Gnomad OTH exome

AF:

0.000163

GnomAD4 exome

AF:

0.000222

AC:

325

AN:

1461494

Hom.:

Cov.:

AF XY:

0.000212

AC XY:

154

AN XY:

727064

show subpopulations

African (AFR)

AF:

0.00642

AC:

215

AN:

33480

American (AMR)

AF:

0.000335

AC:

AN:

44724

Ashkenazi Jewish (ASJ)

AF:

0.0000383

AC:

AN:

26136

East Asian (EAS)

AF:

0.0000252

AC:

AN:

39700

South Asian (SAS)

AF:

0.0000580

AC:

AN:

86256

European-Finnish (FIN)

AF:

0.0000377

AC:

AN:

53046

Middle Eastern (MID)

AF:

0.000347

AC:

AN:

5766

European-Non Finnish (NFE)

AF:

0.0000387

AC:

AN:

1111994

Other (OTH)

AF:

0.000679

AC:

AN:

60392

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.482

Heterozygous variant carriers

109

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:

0.00200

AC:

304

AN:

152320

Hom.:

Cov.:

AF XY:

0.00199

AC XY:

148

AN XY:

74470

show subpopulations

African (AFR)

AF:

0.00673

AC:

280

AN:

41584

American (AMR)

AF:

0.000523

AC:

AN:

15306

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3468

East Asian (EAS)

AF:

0.00

AC:

AN:

5172

South Asian (SAS)

AF:

0.000207

AC:

AN:

4834

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10618

Middle Eastern (MID)

AF:

0.00

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.000176

AC:

AN:

68018

Other (OTH)

AF:

0.00142

AC:

AN:

2114

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.497

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Genome Hom

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:

0.0000271

Hom.:

659

TwinsUK

AF:

0.000270

AC:

ALSPAC

AF:

0.00

AC:

ExAC

AF:

0.000651

AC:

EpiCase

AF:

0.000109

EpiControl

AF:

0.0000593

ClinVar

Significance: Likely benign

Submissions summary: Benign:4

Revision: criteria provided, multiple submitters, no conflicts

LINK: link

Submissions by phenotype

not provided

Benign:2

Breakthrough Genomics, Breakthrough Genomics

Significance:Likely benign

Review Status:criteria provided, single submitter

Collection Method:not provided

- -

Jan 20, 2025

Labcorp Genetics (formerly Invitae), Labcorp

Significance:Likely benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

HPS1-related disorder

Benign:1

Nov 22, 2023

PreventionGenetics, part of Exact Sciences

Significance:Likely benign

Review Status:no assertion criteria provided

Collection Method:clinical testing

This variant is classified as likely benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications). -

Hermansky-Pudlak syndrome

Benign:1

Sep 16, 2020

Natera, Inc.

Significance:Likely benign

Review Status:no assertion criteria provided

Collection Method:clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.064

BayesDel_addAF

Benign

-0.66

BayesDel_noAF

Benign

-0.71

CADD

Benign

0.0020

(source)

DANN

Benign

0.70

DEOGEN2

Benign

0.052

T;T;T;.

Eigen

Benign

-2.5

Eigen_PC

Benign

-2.5

FATHMM_MKL

Benign

0.0072

LIST_S2

Benign

0.24

.;.;T;T

MetaRNN

Benign

0.0040

T;T;T;T

MetaSVM

Benign

-1.0

MutationAssessor

Benign

-0.90

N;N;N;N

PhyloP100

-1.5

PrimateAI

Benign

0.28

PROVEAN

Benign

-0.020

N;N;.;N

REVEL

Benign

0.019

Sift

Benign

0.68

T;T;.;T

Sift4G

Benign

0.57

T;T;T;T

Polyphen

0.0020

B;B;B;B

Vest4

0.11

MVP

0.085

MPC

0.17

ClinPred

0.0012

GERP RS

-5.5

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.1

Varity_R

0.030

gMVP

0.18

Mutation Taster

=97/3

polymorphism

(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

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over