rs544314793

Variant summary

Our verdict is Likely benign. The variant received -2 ACMG points: 2P and 4B. PM2BP4_Strong

The NM_024747.6(HPS6):​c.254C>A​(p.Pro85Gln) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000133 in 1,502,958 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 15/22 in silico tools predict a benign 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. P85L) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 33)
Exomes 𝑓: 7.4e-7 ( 0 hom. )

Consequence

HPS6
NM_024747.6 missense

Scores

1
17

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 0.723

Publications

0 publications found
Variant links:
Genes affected
HPS6 (HGNC:18817): (HPS6 biogenesis of lysosomal organelles complex 2 subunit 3) This intronless gene encodes a protein that may play a role in organelle biogenesis associated with melanosomes, platelet dense granules, and lysosomes. This protein interacts with Hermansky-Pudlak syndrome 5 protein. Mutations in this gene are associated with Hermansky-Pudlak syndrome type 6. [provided by RefSeq, Jul 2008]
HPS6 Gene-Disease associations (from GenCC):
  • Hermansky-Pudlak syndrome 6
    Inheritance: AR Classification: DEFINITIVE, STRONG Submitted by: ClinGen, G2P, Labcorp Genetics (formerly Invitae)
  • Hermansky-Pudlak syndrome without pulmonary fibrosis
    Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -2 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.04654321).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_024747.6. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Selected
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
HPS6
NM_024747.6
MANE Select
c.254C>Ap.Pro85Gln
missense
Exon 1 of 1NP_079023.2

Ensembl Transcripts

Selected
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
HPS6
ENST00000299238.7
TSL:6 MANE Select
c.254C>Ap.Pro85Gln
missense
Exon 1 of 1ENSP00000299238.5

Frequencies

GnomAD3 genomes
AF:
0.00000658
AC:
1
AN:
151980
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
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:
0.00
Gnomad OTH
AF:
0.00
GnomAD2 exomes
AF:
0.00000999
AC:
1
AN:
100116
AF XY:
0.00
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:
0.00
Gnomad OTH exome
AF:
0.000330
GnomAD4 exome
AF:
7.40e-7
AC:
1
AN:
1350870
Hom.:
0
Cov.:
31
AF XY:
0.00
AC XY:
0
AN XY:
666376
show subpopulations
⚠️ The allele balance in gnomAD version 4 Exomes is significantly skewed from the expected value of 0.5.
African (AFR)
AF:
0.00
AC:
0
AN:
27596
American (AMR)
AF:
0.00
AC:
0
AN:
32148
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
23944
East Asian (EAS)
AF:
0.00
AC:
0
AN:
31790
South Asian (SAS)
AF:
0.0000132
AC:
1
AN:
75812
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
33372
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
4032
European-Non Finnish (NFE)
AF:
0.00
AC:
0
AN:
1065928
Other (OTH)
AF:
0.00
AC:
0
AN:
56248
⚠️ The allele balance in gnomAD4 Exomes is highly skewed from 0.5 (p-value = 0), which strongly suggests a high chance of mosaicism in these individuals.
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.375
Heterozygous variant carriers
0
0
1
1
2
2
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Variant carriers
0
2
4
6
8
10
<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:
0.00000658
AC:
1
AN:
152088
Hom.:
0
Cov.:
33
AF XY:
0.0000134
AC XY:
1
AN XY:
74364
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
41540
American (AMR)
AF:
0.00
AC:
0
AN:
15280
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3472
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5152
South Asian (SAS)
AF:
0.000207
AC:
1
AN:
4826
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10572
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
292
European-Non Finnish (NFE)
AF:
0.00
AC:
0
AN:
67930
Other (OTH)
AF:
0.00
AC:
0
AN:
2114
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.425
Heterozygous variant carriers
0
0
1
1
2
2
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance
ExAC
AF:
0.0000144
AC:
1

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.13
BayesDel_addAF
Benign
-0.31
T
BayesDel_noAF
Benign
-0.54
CADD
Benign
16
DANN
Benign
0.84
DEOGEN2
Benign
0.092
T
Eigen
Benign
-0.73
Eigen_PC
Benign
-0.60
FATHMM_MKL
Benign
0.0098
N
LIST_S2
Benign
0.41
T
M_CAP
Benign
0.019
T
MetaRNN
Benign
0.047
T
MetaSVM
Benign
-1.0
T
MutationAssessor
Benign
0.80
N
PhyloP100
0.72
PrimateAI
Uncertain
0.64
T
PROVEAN
Benign
0.75
N
REVEL
Benign
0.047
Sift
Benign
0.59
T
Sift4G
Benign
0.64
T
Polyphen
0.0010
B
Vest4
0.23
MutPred
0.45
Gain of solvent accessibility (P = 0.0137)
MVP
0.23
MPC
0.44
ClinPred
0.076
T
GERP RS
2.8
PromoterAI
-0.21
Neutral
Varity_R
0.037
gMVP
0.22
Mutation Taster
=94/6
polymorphism

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.020
Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

Other links and lift over

dbSNP: rs544314793; hg19: chr10-103825485; API