rs374286486

Variant summary

Our verdict is Likely benign. The variant received -2 ACMG points: 2P and 4B. PP3_ModerateBS2

The NM_001884.4(HAPLN1):​c.506G>T​(p.Arg169Leu) variant causes a missense change. The variant allele was found at a frequency of 0.00000823 in 1,336,688 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 (★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. R169C) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 33)
Exomes 𝑓: 0.0000082 ( 0 hom. )

Consequence

HAPLN1
NM_001884.4 missense

Scores

8
8
2

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 4.73

Publications

0 publications found
Variant links:
Genes affected
HAPLN1 (HGNC:2380): (hyaluronan and proteoglycan link protein 1) Predicted to enable hyaluronic acid binding activity. Predicted to be an extracellular matrix structural constituent conferring compression resistance. Predicted to be involved in central nervous system development and skeletal system development. Colocalizes with collagen-containing extracellular matrix. [provided by Alliance of Genome Resources, Apr 2022]

Genome browser will be placed here

ACMG classification

Classification was made for transcript

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

PP3
MetaRNN computational evidence supports a deleterious effect, 0.844
BS2
High AC in GnomAdExome4 at 11 AD gene.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001884.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
HAPLN1
NM_001884.4
MANE Select
c.506G>Tp.Arg169Leu
missense
Exon 4 of 5NP_001875.1P10915

Ensembl Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
HAPLN1
ENST00000274341.9
TSL:1 MANE Select
c.506G>Tp.Arg169Leu
missense
Exon 4 of 5ENSP00000274341.4P10915
HAPLN1
ENST00000875523.1
c.506G>Tp.Arg169Leu
missense
Exon 5 of 6ENSP00000545582.1
HAPLN1
ENST00000936313.1
c.506G>Tp.Arg169Leu
missense
Exon 4 of 5ENSP00000606372.1

Frequencies

GnomAD3 genomes
Cov.:
33
GnomAD2 exomes
AF:
0.00000617
AC:
1
AN:
162170
AF XY:
0.0000116
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:
0.00
GnomAD4 exome
AF:
0.00000823
AC:
11
AN:
1336688
Hom.:
0
Cov.:
36
AF XY:
0.00000916
AC XY:
6
AN XY:
654684
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
28598
American (AMR)
AF:
0.00
AC:
0
AN:
28278
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
19930
East Asian (EAS)
AF:
0.00
AC:
0
AN:
35322
South Asian (SAS)
AF:
0.0000150
AC:
1
AN:
66700
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
49666
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5168
European-Non Finnish (NFE)
AF:
0.00000954
AC:
10
AN:
1048292
Other (OTH)
AF:
0.00
AC:
0
AN:
54734
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.452
Heterozygous variant carriers
0
1
2
2
3
4
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
Cov.:
33
Alfa
AF:
0.00
Hom.:
0
Bravo
AF:
0.0000151
ESP6500AA
AF:
0.00
AC:
0
ESP6500EA
AF:
0.000116
AC:
1

ClinVar

ClinVar submissions
Significance:Uncertain significance
Revision:criteria provided, single submitter
View on ClinVar
Pathogenic
VUS
Benign
Condition
-
1
-
not specified (1)

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Pathogenic
0.89
BayesDel_addAF
Uncertain
0.090
D
BayesDel_noAF
Uncertain
0.080
CADD
Pathogenic
31
DANN
Uncertain
1.0
DEOGEN2
Uncertain
0.43
T
Eigen
Pathogenic
0.93
Eigen_PC
Pathogenic
0.86
FATHMM_MKL
Pathogenic
0.97
D
LIST_S2
Pathogenic
0.98
D
M_CAP
Benign
0.069
D
MetaRNN
Pathogenic
0.84
D
MetaSVM
Benign
-0.48
T
MutationAssessor
Pathogenic
3.8
H
PhyloP100
4.7
PrimateAI
Uncertain
0.66
T
PROVEAN
Pathogenic
-6.7
D
REVEL
Uncertain
0.52
Sift
Uncertain
0.0010
D
Sift4G
Uncertain
0.0020
D
Polyphen
1.0
D
Vest4
0.88
MVP
0.71
MPC
0.75
ClinPred
1.0
D
GERP RS
5.8
Varity_R
0.69
gMVP
0.87
Mutation Taster
=39/61
disease causing

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

Other links and lift over

dbSNP: rs374286486; hg19: chr5-82940451; API