NM_178232.4:c.742C>T

Variant summary

Our verdict is Uncertain significance. The variant received 1 ACMG points: 1P and 0B. PP3

The NM_178232.4(HAPLN3):​c.742C>T​(p.Arg248Cys) variant causes a missense change. The variant allele was found at a frequency of 0.00021 in 1,608,676 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. R248H) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.000079 ( 0 hom., cov: 33)
Exomes 𝑓: 0.00022 ( 0 hom. )

Consequence

HAPLN3
NM_178232.4 missense

Scores

7
6
5

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 4.35

Publications

1 publications found
Variant links:
Genes affected
HAPLN3 (HGNC:21446): (hyaluronan and proteoglycan link protein 3) This gene belongs to the hyaluronan and proteoglycan binding link protein gene family. The protein encoded by this gene may function in hyaluronic acid binding and cell adhesion. [provided by RefSeq, Jul 2008]

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 1 ACMG points.

PP3
MetaRNN computational evidence supports a deleterious effect, 0.76

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_178232.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
HAPLN3
NM_178232.4
MANE Select
c.742C>Tp.Arg248Cys
missense
Exon 4 of 5NP_839946.1Q96S86
HAPLN3
NM_001307952.2
c.928C>Tp.Arg310Cys
missense
Exon 5 of 6NP_001294881.1H3BTH8

Ensembl Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
HAPLN3
ENST00000359595.8
TSL:1 MANE Select
c.742C>Tp.Arg248Cys
missense
Exon 4 of 5ENSP00000352606.4Q96S86
HAPLN3
ENST00000562889.5
TSL:5
c.928C>Tp.Arg310Cys
missense
Exon 5 of 6ENSP00000457180.1H3BTH8
HAPLN3
ENST00000969266.1
c.784C>Tp.Arg262Cys
missense
Exon 5 of 6ENSP00000639325.1

Frequencies

GnomAD3 genomes
AF:
0.0000788
AC:
12
AN:
152228
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.0000654
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:
0.000162
Gnomad OTH
AF:
0.00
GnomAD2 exomes
AF:
0.0000819
AC:
19
AN:
232054
AF XY:
0.0000704
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:
0.000176
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.000224
AC:
326
AN:
1456448
Hom.:
0
Cov.:
32
AF XY:
0.000214
AC XY:
155
AN XY:
724236
show subpopulations
African (AFR)
AF:
0.0000598
AC:
2
AN:
33422
American (AMR)
AF:
0.00
AC:
0
AN:
44152
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
25962
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39536
South Asian (SAS)
AF:
0.0000117
AC:
1
AN:
85654
European-Finnish (FIN)
AF:
0.0000193
AC:
1
AN:
51752
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5754
European-Non Finnish (NFE)
AF:
0.000279
AC:
310
AN:
1110146
Other (OTH)
AF:
0.000200
AC:
12
AN:
60070
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.483
Heterozygous variant carriers
0
22
44
67
89
111
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Variant carriers
0
20
40
60
80
100
<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:
0.0000788
AC:
12
AN:
152228
Hom.:
0
Cov.:
33
AF XY:
0.0000672
AC XY:
5
AN XY:
74368
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
41460
American (AMR)
AF:
0.0000654
AC:
1
AN:
15290
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3472
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5190
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4838
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10628
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
316
European-Non Finnish (NFE)
AF:
0.000162
AC:
11
AN:
68030
Other (OTH)
AF:
0.00
AC:
0
AN:
2092
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.521
Heterozygous variant carriers
0
1
2
3
4
5
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome 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
Alfa
AF:
0.000250
Hom.:
0
Bravo
AF:
0.0000793
TwinsUK
AF:
0.000270
AC:
1
ALSPAC
AF:
0.000778
AC:
3
ESP6500AA
AF:
0.00
AC:
0
ESP6500EA
AF:
0.000359
AC:
3
ExAC
AF:
0.0000748
AC:
9

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
0.61
BayesDel_addAF
Benign
-0.087
T
BayesDel_noAF
Benign
-0.10
CADD
Pathogenic
26
DANN
Pathogenic
1.0
DEOGEN2
Benign
0.19
T
Eigen
Uncertain
0.67
Eigen_PC
Uncertain
0.54
FATHMM_MKL
Benign
0.38
N
LIST_S2
Pathogenic
0.98
D
M_CAP
Uncertain
0.11
D
MetaRNN
Pathogenic
0.76
D
MetaSVM
Benign
-0.69
T
MutationAssessor
Pathogenic
3.9
H
PhyloP100
4.3
PrimateAI
Uncertain
0.71
T
PROVEAN
Pathogenic
-5.4
D
REVEL
Uncertain
0.33
Sift
Uncertain
0.0020
D
Sift4G
Pathogenic
0.0010
D
Polyphen
1.0
D
Vest4
0.74
MVP
0.37
MPC
0.92
ClinPred
0.93
D
GERP RS
4.0
Varity_R
0.49
gMVP
0.83
Mutation Taster
=45/55
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: rs374297205; hg19: chr15-89422252; API