rs201078944

Variant summary

Our verdict is Likely benign. The variant received -2 ACMG points: 0P and 2B. BP4_Moderate

The NM_024570.4(RNASEH2B):​c.314A>C​(p.Asp105Ala) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000347 in 1,613,012 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 17/22 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★★).

Frequency

Genomes: 𝑓 0.00018 ( 0 hom., cov: 32)
Exomes 𝑓: 0.00036 ( 0 hom. )

Consequence

RNASEH2B
NM_024570.4 missense

Scores

2
17

Clinical Significance

Uncertain significance criteria provided, multiple submitters, no conflicts U:5

Conservation

PhyloP100: 0.443

Publications

1 publications found
Variant links:
Genes affected
RNASEH2B (HGNC:25671): (ribonuclease H2 subunit B) RNase H2 is composed of a single catalytic subunit (A) and two non-catalytic subunits (B and C) and specifically degrades the RNA of RNA:DNA hybrids. The protein encoded by this gene is the non-catalytic B subunit of RNase H2, which is thought to play a role in DNA replication. Multiple transcript variants encoding different isoforms have been found for this gene. Defects in this gene are a cause of Aicardi-Goutieres syndrome type 2 (AGS2). [provided by RefSeq, Nov 2008]
RNASEH2B Gene-Disease associations (from GenCC):
  • Aicardi-Goutieres syndrome 2
    Inheritance: AR Classification: DEFINITIVE, STRONG Submitted by: Labcorp Genetics (formerly Invitae), PanelApp Australia, Ambry Genetics, G2P
  • Aicardi-Goutieres syndrome
    Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
  • prostate cancer
    Inheritance: AD Classification: LIMITED Submitted by: Ambry Genetics

Genome browser will be placed here

ACMG classification

Classification was made for transcript

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

BP4
Computational evidence support a benign effect (MetaRNN=0.11667743).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
RNASEH2BNM_024570.4 linkc.314A>C p.Asp105Ala missense_variant Exon 4 of 11 ENST00000336617.8 NP_078846.2 Q5TBB1-1Q8N451

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
RNASEH2BENST00000336617.8 linkc.314A>C p.Asp105Ala missense_variant Exon 4 of 11 1 NM_024570.4 ENSP00000337623.2 Q5TBB1-1

Frequencies

GnomAD3 genomes
AF:
0.000177
AC:
27
AN:
152222
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:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.000397
Gnomad OTH
AF:
0.00
GnomAD2 exomes
AF:
0.000147
AC:
37
AN:
251368
AF XY:
0.000140
show subpopulations
Gnomad AFR exome
AF:
0.000185
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:
0.000290
Gnomad OTH exome
AF:
0.000163
GnomAD4 exome
AF:
0.000364
AC:
532
AN:
1460672
Hom.:
0
Cov.:
29
AF XY:
0.000327
AC XY:
238
AN XY:
726768
show subpopulations
African (AFR)
AF:
0.0000598
AC:
2
AN:
33448
American (AMR)
AF:
0.00
AC:
0
AN:
44716
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
26128
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39694
South Asian (SAS)
AF:
0.00
AC:
0
AN:
86242
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
53410
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5766
European-Non Finnish (NFE)
AF:
0.000461
AC:
512
AN:
1110908
Other (OTH)
AF:
0.000298
AC:
18
AN:
60360
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.466
Heterozygous variant carriers
0
25
49
74
98
123
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:
0.000177
AC:
27
AN:
152340
Hom.:
0
Cov.:
32
AF XY:
0.000107
AC XY:
8
AN XY:
74500
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
41570
American (AMR)
AF:
0.00
AC:
0
AN:
15304
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3472
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5192
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4832
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10628
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
294
European-Non Finnish (NFE)
AF:
0.000397
AC:
27
AN:
68024
Other (OTH)
AF:
0.00
AC:
0
AN:
2112
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.529
Heterozygous variant carriers
0
2
4
6
8
10
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:
0.000104
Hom.:
0
Bravo
AF:
0.000185
TwinsUK
AF:
0.000270
AC:
1
ALSPAC
AF:
0.000519
AC:
2
ESP6500AA
AF:
0.00
AC:
0
ESP6500EA
AF:
0.000465
AC:
4
ExAC
AF:
0.0000906
AC:
11
EpiCase
AF:
0.000164
EpiControl
AF:
0.000237

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:5
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

Aicardi-Goutieres syndrome 2 Uncertain:3
Oct 31, 2018
Fulgent Genetics, Fulgent Genetics
Significance:Uncertain significance
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Aug 31, 2022
Labcorp Genetics (formerly Invitae), Labcorp
Significance:Uncertain significance
Review Status:criteria provided, single submitter
Collection Method:clinical testing

This sequence change replaces aspartic acid, which is acidic and polar, with alanine, which is neutral and non-polar, at codon 105 of the RNASEH2B protein (p.Asp105Ala). This variant is present in population databases (rs201078944, gnomAD 0.03%). This variant has not been reported in the literature in individuals affected with RNASEH2B-related conditions. ClinVar contains an entry for this variant (Variation ID: 569392). Algorithms developed to predict the effect of missense changes on protein structure and function (SIFT, PolyPhen-2, Align-GVGD) all suggest that this variant is likely to be tolerated. In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance. -

Apr 27, 2017
Illumina Laboratory Services, Illumina
Significance:Uncertain significance
Review Status:criteria provided, single submitter
Collection Method:clinical testing

This variant was observed as part of a predisposition screen in an ostensibly healthy population. A literature search was performed for the gene, cDNA change, and amino acid change (where applicable). No publications were found based on this search. Allele frequency data from public databases did not allow this variant to be ruled in or out of causing disease. Therefore, this variant is classified as a variant of unknown significance. -

Inborn genetic diseases Uncertain:1
Mar 05, 2024
Ambry Genetics
Significance:Uncertain significance
Review Status:criteria provided, single submitter
Collection Method:clinical testing

The c.314A>C (p.D105A) alteration is located in exon 4 (coding exon 4) of the RNASEH2B gene. This alteration results from a A to C substitution at nucleotide position 314, causing the aspartic acid (D) at amino acid position 105 to be replaced by an alanine (A). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

not provided Uncertain:1
Oct 01, 2023
CeGaT Center for Human Genetics Tuebingen
Significance:Uncertain significance
Review Status:criteria provided, single submitter
Collection Method:clinical testing

RNASEH2B: PM2 -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.10
BayesDel_addAF
Benign
-0.18
T
BayesDel_noAF
Benign
-0.19
CADD
Benign
8.7
DANN
Benign
0.66
DEOGEN2
Benign
0.34
T;.;.;.;.;.;.;.;.;.;.;.;.;.;.;T;.;T;.;.
Eigen
Benign
-0.70
Eigen_PC
Benign
-0.57
FATHMM_MKL
Uncertain
0.81
D
LIST_S2
Benign
0.82
T;T;T;T;T;T;T;T;T;T;T;T;T;T;T;.;.;T;T;T
M_CAP
Benign
0.063
D
MetaRNN
Benign
0.12
T;T;T;T;T;T;T;T;T;T;T;T;T;T;T;T;T;T;T;T
MetaSVM
Uncertain
-0.16
T
MutationAssessor
Benign
1.7
L;L;.;.;.;.;.;.;.;.;.;.;.;.;.;.;.;.;.;.
PhyloP100
0.44
PrimateAI
Benign
0.26
T
PROVEAN
Benign
-1.3
N;N;.;.;.;.;.;.;.;.;.;.;.;.;.;.;.;.;.;.
REVEL
Benign
0.27
Sift
Benign
0.24
T;T;.;.;.;.;.;.;.;.;.;.;.;.;.;.;.;.;.;.
Sift4G
Benign
0.61
T;T;.;.;.;.;.;.;.;.;.;.;.;.;.;.;.;.;.;.
Polyphen
0.0070
B;.;.;.;.;.;.;.;.;.;.;.;.;.;.;.;.;.;.;.
Vest4
0.30
MVP
0.81
MPC
0.059
ClinPred
0.022
T
GERP RS
0.81
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.1
Varity_R
0.22
gMVP
0.37
Mutation Taster
=71/29
polymorphism

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: rs201078944; hg19: chr13-51504888; API