rs1176105751

Variant summary

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

The NM_002890.3(RASA1):​c.22A>C​(p.Ser8Arg) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000193 in 1,552,890 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. S8I) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 32)
Exomes 𝑓: 0.0000014 ( 0 hom. )

Consequence

RASA1
NM_002890.3 missense

Scores

1
4
13

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 1.60

Publications

0 publications found
Variant links:
Genes affected
RASA1 (HGNC:9871): (RAS p21 protein activator 1) The protein encoded by this gene is located in the cytoplasm and is part of the GAP1 family of GTPase-activating proteins. The gene product stimulates the GTPase activity of normal RAS p21 but not its oncogenic counterpart. Acting as a suppressor of RAS function, the protein enhances the weak intrinsic GTPase activity of RAS proteins resulting in the inactive GDP-bound form of RAS, thereby allowing control of cellular proliferation and differentiation. Mutations leading to changes in the binding sites of either protein are associated with basal cell carcinomas. Mutations also have been associated with hereditary capillary malformations (CM) with or without arteriovenous malformations (AVM) and Parkes Weber syndrome. Alternative splicing results in two isoforms where the shorter isoform, lacking the N-terminal hydrophobic region but retaining the same activity, appears to be abundantly expressed in placental but not adult tissues. [provided by RefSeq, May 2012]
RASA1 Gene-Disease associations (from GenCC):
  • capillary malformation-arteriovenous malformation 1
    Inheritance: AD Classification: DEFINITIVE, STRONG, LIMITED Submitted by: Labcorp Genetics (formerly Invitae), Genomics England PanelApp, Ambry Genetics, G2P
  • capillary malformation-arteriovenous malformation syndrome
    Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
  • Parkes Weber syndrome
    Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
  • cardiofaciocutaneous syndrome
    Inheritance: AD Classification: NO_KNOWN Submitted by: ClinGen
  • Costello syndrome
    Inheritance: AD Classification: NO_KNOWN Submitted by: ClinGen
  • Noonan syndrome
    Inheritance: AD Classification: NO_KNOWN Submitted by: ClinGen
  • Noonan syndrome with multiple lentigines
    Inheritance: AD Classification: NO_KNOWN Submitted by: ClinGen
  • Noonan syndrome-like disorder with loose anagen hair
    Inheritance: AD Classification: NO_KNOWN Submitted by: ClinGen
  • telangiectasia, hereditary hemorrhagic, type 1
    Inheritance: AD Classification: NO_KNOWN Submitted by: Labcorp Genetics (formerly Invitae)

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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=0.15567079).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_002890.3. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
RASA1
NM_002890.3
MANE Select
c.22A>Cp.Ser8Arg
missense
Exon 1 of 25NP_002881.1P20936-1

Ensembl Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
RASA1
ENST00000274376.11
TSL:1 MANE Select
c.22A>Cp.Ser8Arg
missense
Exon 1 of 25ENSP00000274376.6P20936-1
RASA1
ENST00000515800.6
TSL:1
n.22A>C
non_coding_transcript_exon
Exon 1 of 26ENSP00000423395.2P20936-3
RASA1
ENST00000888490.1
c.22A>Cp.Ser8Arg
missense
Exon 1 of 25ENSP00000558549.1

Frequencies

GnomAD3 genomes
AF:
0.00000658
AC:
1
AN:
152072
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:
0.0000147
Gnomad OTH
AF:
0.00
GnomAD4 exome
AF:
0.00000143
AC:
2
AN:
1400818
Hom.:
0
Cov.:
32
AF XY:
0.00000145
AC XY:
1
AN XY:
691032
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
31976
American (AMR)
AF:
0.00
AC:
0
AN:
35786
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
25118
East Asian (EAS)
AF:
0.00
AC:
0
AN:
36410
South Asian (SAS)
AF:
0.00
AC:
0
AN:
79498
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
48710
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
4490
European-Non Finnish (NFE)
AF:
9.25e-7
AC:
1
AN:
1080876
Other (OTH)
AF:
0.0000173
AC:
1
AN:
57954
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.425
Heterozygous variant carriers
0
1
1
2
2
3
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance
GnomAD4 genome
AF:
0.00000658
AC:
1
AN:
152072
Hom.:
0
Cov.:
32
AF XY:
0.00
AC XY:
0
AN XY:
74290
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
41420
American (AMR)
AF:
0.00
AC:
0
AN:
15276
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3468
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5160
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4826
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10624
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
316
European-Non Finnish (NFE)
AF:
0.0000147
AC:
1
AN:
67982
Other (OTH)
AF:
0.00
AC:
0
AN:
2090
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.425
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:
0.00000378

ClinVar

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

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Uncertain
0.55
BayesDel_addAF
Benign
-0.073
T
BayesDel_noAF
Benign
-0.34
CADD
Benign
20
DANN
Benign
0.97
DEOGEN2
Benign
0.23
T
Eigen
Benign
-0.76
Eigen_PC
Benign
-0.72
FATHMM_MKL
Benign
0.28
N
LIST_S2
Benign
0.72
T
M_CAP
Uncertain
0.20
D
MetaRNN
Benign
0.16
T
MetaSVM
Benign
-0.91
T
MutationAssessor
Benign
0.55
N
PhyloP100
1.6
PrimateAI
Pathogenic
0.86
D
PROVEAN
Benign
-0.32
N
REVEL
Uncertain
0.32
Sift
Uncertain
0.014
D
Sift4G
Benign
0.076
T
Polyphen
0.38
B
Vest4
0.33
MutPred
0.14
Loss of glycosylation at S8 (P = 0.0023)
MVP
0.71
MPC
0.13
ClinPred
0.62
D
GERP RS
-3.0
PromoterAI
-0.0074
Neutral
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.7
Varity_R
0.12
gMVP
0.49
Mutation Taster
=91/9
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: rs1176105751; hg19: chr5-86564290; API