6-31625490-G-A

Variant summary

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

The NM_004638.4(PRRC2A):​c.638G>A​(p.Arg213His) variant causes a missense change. The variant allele was found at a frequency of 0.000034 in 1,588,598 control chromosomes in the GnomAD database, including 1 homozygotes. 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. R213C) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.000020 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000036 ( 1 hom. )

Consequence

PRRC2A
NM_004638.4 missense

Scores

7
12

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 3.82

Publications

1 publications found
Variant links:
Genes affected
PRRC2A (HGNC:13918): (proline rich coiled-coil 2A) A cluster of genes, BAT1-BAT5, has been localized in the vicinity of the genes for TNF alpha and TNF beta. These genes are all within the human major histocompatibility complex class III region. This gene has microsatellite repeats which are associated with the age-at-onset of insulin-dependent diabetes mellitus (IDDM) and possibly thought to be involved with the inflammatory process of pancreatic beta-cell destruction during the development of IDDM. This gene is also a candidate gene for the development of rheumatoid arthritis. Two transcript variants encoding the same protein have been found for this gene. [provided by RefSeq, Dec 2010]

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=0.13910094).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
PRRC2ANM_004638.4 linkc.638G>A p.Arg213His missense_variant Exon 7 of 31 ENST00000376033.3 NP_004629.3 P48634-1A0A1U9X974
PRRC2ANM_080686.3 linkc.638G>A p.Arg213His missense_variant Exon 7 of 31 NP_542417.2 P48634-1A0A1U9X974
PRRC2AXM_047419336.1 linkc.638G>A p.Arg213His missense_variant Exon 7 of 30 XP_047275292.1

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
PRRC2AENST00000376033.3 linkc.638G>A p.Arg213His missense_variant Exon 7 of 31 1 NM_004638.4 ENSP00000365201.2 P48634-1
ENSG00000289282ENST00000687518.1 linkc.384G>A p.Ala128Ala synonymous_variant Exon 5 of 5 ENSP00000509222.1 A0A8I5QKQ9

Frequencies

GnomAD3 genomes
AF:
0.0000197
AC:
3
AN:
152204
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0000241
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
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:
0.0000294
Gnomad OTH
AF:
0.00
GnomAD2 exomes
AF:
0.0000423
AC:
10
AN:
236176
AF XY:
0.0000632
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:
0.0000654
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000355
AC:
51
AN:
1436394
Hom.:
1
Cov.:
32
AF XY:
0.0000380
AC XY:
27
AN XY:
710566
show subpopulations
African (AFR)
AF:
0.0000606
AC:
2
AN:
32992
American (AMR)
AF:
0.00
AC:
0
AN:
43506
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
24622
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39340
South Asian (SAS)
AF:
0.0000724
AC:
6
AN:
82826
European-Finnish (FIN)
AF:
0.0000190
AC:
1
AN:
52556
Middle Eastern (MID)
AF:
0.000177
AC:
1
AN:
5664
European-Non Finnish (NFE)
AF:
0.0000329
AC:
36
AN:
1095640
Other (OTH)
AF:
0.0000844
AC:
5
AN:
59248
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.487
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
Exome Hom
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:
0.0000197
AC:
3
AN:
152204
Hom.:
0
Cov.:
32
AF XY:
0.0000135
AC XY:
1
AN XY:
74340
show subpopulations
African (AFR)
AF:
0.0000241
AC:
1
AN:
41448
American (AMR)
AF:
0.00
AC:
0
AN:
15278
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3472
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5204
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4822
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10616
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
316
European-Non Finnish (NFE)
AF:
0.0000294
AC:
2
AN:
68048
Other (OTH)
AF:
0.00
AC:
0
AN:
2088
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.575
Heterozygous variant carriers
0
0
1
1
2
2
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance
Alfa
AF:
0.00
Hom.:
0
Bravo
AF:
0.0000189
ExAC
AF:
0.0000412
AC:
5

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

not specified Uncertain:1
May 25, 2025
Ambry Genetics
Significance:Uncertain significance
Review Status:criteria provided, single submitter
Collection Method:clinical testing

The c.638G>A (p.R213H) alteration is located in exon 7 (coding exon 6) of the PRRC2A gene. This alteration results from a G to A substitution at nucleotide position 638, causing the arginine (R) at amino acid position 213 to be replaced by a histidine (H). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.12
BayesDel_addAF
Benign
-0.27
T
BayesDel_noAF
Benign
-0.41
CADD
Uncertain
24
DANN
Uncertain
0.98
DEOGEN2
Benign
0.23
T;T
Eigen
Benign
-0.059
Eigen_PC
Benign
0.061
FATHMM_MKL
Uncertain
0.90
D
LIST_S2
Benign
0.83
.;T
M_CAP
Benign
0.016
T
MetaRNN
Benign
0.14
T;T
MetaSVM
Benign
-0.98
T
MutationAssessor
Uncertain
2.4
M;M
PhyloP100
3.8
PrimateAI
Uncertain
0.62
T
PROVEAN
Uncertain
-3.7
D;D
REVEL
Benign
0.10
Sift
Uncertain
0.017
D;D
Sift4G
Uncertain
0.025
D;D
Polyphen
0.019
B;B
Vest4
0.26
MutPred
0.28
Loss of methylation at R213 (P = 0.0099);Loss of methylation at R213 (P = 0.0099);
MVP
0.14
MPC
0.20
ClinPred
0.44
T
GERP RS
4.1
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.3
Varity_R
0.17
gMVP
0.39
Mutation Taster
=91/9
polymorphism

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.030
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: rs754443109; hg19: chr6-31593267; COSMIC: COSV63224250; COSMIC: COSV63224250; API