chr1-186304863-G-A

Variant summary

Our verdict is Uncertain significance. The variant received 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_005807.6(PRG4):​c.539G>A​(p.Arg180Gln) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000273 in 1,612,506 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign 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. R180W) has been classified as Benign.

Frequency

Genomes: 𝑓 0.000033 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000027 ( 0 hom. )

Consequence

PRG4
NM_005807.6 missense

Scores

1
6
11

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 3.26

Publications

1 publications found
Variant links:
Genes affected
PRG4 (HGNC:9364): (proteoglycan 4) The protein encoded by this gene is a large proteoglycan that is synthesized by chondrocytes located at the surface of articular cartilage and by some synovial lining cells. This protein contains both chondroitin sulfate and keratan sulfate glycosaminoglycans. It functions as a boundary lubricant at the cartilage surface and contributes to the elastic absorption and energy dissipation of synovial fluid. Mutations in this gene result in camptodactyly-arthropathy-coxa vara-pericarditis syndrome. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Dec 2014]
PRG4 Gene-Disease associations (from GenCC):
  • camptodactyly-arthropathy-coxa vara-pericarditis syndrome
    Inheritance: AR Classification: DEFINITIVE, STRONG Submitted by: Illumina, ClinGen, Labcorp Genetics (formerly Invitae)

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 0 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.14153802).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_005807.6. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
PRG4
NM_005807.6
MANE Select
c.539G>Ap.Arg180Gln
missense
Exon 6 of 13NP_005798.3Q92954-1
PRG4
NM_001127708.3
c.416G>Ap.Arg139Gln
missense
Exon 5 of 12NP_001121180.2Q92954-2
PRG4
NM_001303232.2
c.469+606G>A
intron
N/ANP_001290161.1Q92954-6

Ensembl Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
PRG4
ENST00000445192.7
TSL:5 MANE Select
c.539G>Ap.Arg180Gln
missense
Exon 6 of 13ENSP00000399679.3Q92954-1
PRG4
ENST00000367483.8
TSL:5
c.416G>Ap.Arg139Gln
missense
Exon 5 of 12ENSP00000356453.4Q92954-2
PRG4
ENST00000533951.5
TSL:5
c.266G>Ap.Arg89Gln
missense
Exon 4 of 5ENSP00000431330.1E9PLR3

Frequencies

GnomAD3 genomes
AF:
0.0000330
AC:
5
AN:
151718
Hom.:
0
Cov.:
32
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:
0.000193
Gnomad SAS
AF:
0.000208
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000441
Gnomad OTH
AF:
0.00
GnomAD2 exomes
AF:
0.0000444
AC:
11
AN:
247848
AF XY:
0.0000521
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.0000579
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.0000462
Gnomad NFE exome
AF:
0.0000542
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000267
AC:
39
AN:
1460670
Hom.:
0
Cov.:
32
AF XY:
0.0000234
AC XY:
17
AN XY:
726692
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
33438
American (AMR)
AF:
0.0000671
AC:
3
AN:
44708
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
26104
East Asian (EAS)
AF:
0.0000253
AC:
1
AN:
39604
South Asian (SAS)
AF:
0.0000464
AC:
4
AN:
86228
European-Finnish (FIN)
AF:
0.0000187
AC:
1
AN:
53380
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5758
European-Non Finnish (NFE)
AF:
0.0000252
AC:
28
AN:
1111100
Other (OTH)
AF:
0.0000331
AC:
2
AN:
60350
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.510
Heterozygous variant carriers
0
3
5
8
10
13
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:
0.0000329
AC:
5
AN:
151836
Hom.:
0
Cov.:
32
AF XY:
0.0000404
AC XY:
3
AN XY:
74192
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
41324
American (AMR)
AF:
0.00
AC:
0
AN:
15274
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3470
East Asian (EAS)
AF:
0.000193
AC:
1
AN:
5172
South Asian (SAS)
AF:
0.000208
AC:
1
AN:
4802
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10510
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
294
European-Non Finnish (NFE)
AF:
0.0000441
AC:
3
AN:
67976
Other (OTH)
AF:
0.00
AC:
0
AN:
2102
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.495
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

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:
0.000174
Hom.:
0
Bravo
AF:
0.0000340
ExAC
AF:
0.0000577
AC:
7
EpiCase
AF:
0.000109
EpiControl
AF:
0.000178

ClinVar

ClinVar submissions
Significance:Uncertain significance
Revision:criteria provided, single submitter
View on ClinVar
Pathogenic
VUS
Benign
Condition
-
1
-
Inborn genetic diseases (1)

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.24
BayesDel_addAF
Benign
-0.21
T
BayesDel_noAF
Benign
-0.34
CADD
Pathogenic
26
DANN
Pathogenic
1.0
DEOGEN2
Benign
0.053
T
Eigen
Uncertain
0.46
Eigen_PC
Uncertain
0.49
FATHMM_MKL
Uncertain
0.77
D
LIST_S2
Benign
0.80
T
M_CAP
Benign
0.017
T
MetaRNN
Benign
0.14
T
MetaSVM
Benign
-0.91
T
MutationAssessor
Uncertain
2.2
M
PhyloP100
3.3
PrimateAI
Benign
0.41
T
PROVEAN
Uncertain
-2.9
D
REVEL
Benign
0.13
Sift
Benign
0.067
T
Sift4G
Uncertain
0.015
D
Polyphen
1.0
D
Vest4
0.46
MVP
0.18
MPC
0.28
ClinPred
0.62
D
GERP RS
5.2
Varity_R
0.13
gMVP
0.094
Mutation Taster
=92/8
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: rs137935651; hg19: chr1-186273995; API