19-38411347-C-G

Variant summary

Our verdict is Uncertain significance. The variant received 4 ACMG points: 4P and 0B. PM2PP3_Moderate

The NM_170604.3(RASGRP4):​c.1715G>C​(p.Arg572Pro) variant causes a missense, splice region change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000207 in 1,448,998 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. 3/3 splice prediction tools predict no significant impact on normal splicing. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. R572L) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 32)
Exomes 𝑓: 0.0000021 ( 0 hom. )

Consequence

RASGRP4
NM_170604.3 missense, splice_region

Scores

7
8
3
Splicing: ADA: 0.0004374
2

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 0.161

Publications

0 publications found
Variant links:
Genes affected
RASGRP4 (HGNC:18958): (RAS guanyl releasing protein 4) The protein encoded by this gene is a member of the Ras guanyl nucleotide-releasing protein (RasGRP) family of Ras guanine nucleotide exchange factors. It contains a Ras exchange motif, a diacylglycerol-binding domain, and two calcium-binding EF hands. This protein was shown to activate H-Ras in a cation-dependent manner in vitro. Expression of this protein in myeloid cell lines was found to be correlated with elevated level of activated RAS protein, and the RAS activation can be greatly enhanced by phorbol ester treatment, which suggested a role of this protein in diacylglycerol regulated cell signaling pathways. Studies of a mast cell leukemia cell line expressing substantial amounts of abnormal transcripts of this gene indicated that this gene may play an important role in the final stages of mast cell development. Multiple transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Apr 2009]

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 4 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
PP3
MetaRNN computational evidence supports a deleterious effect, 0.849

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_170604.3. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
RASGRP4
NM_170604.3
MANE Select
c.1715G>Cp.Arg572Pro
missense splice_region
Exon 14 of 17NP_733749.1Q8TDF6-1
RASGRP4
NM_001146202.2
c.1673G>Cp.Arg558Pro
missense splice_region
Exon 14 of 17NP_001139674.1Q8TDF6-2
RASGRP4
NM_001146205.2
c.1613G>Cp.Arg538Pro
missense splice_region
Exon 14 of 17NP_001139677.1Q8TDF6-8

Ensembl Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
RASGRP4
ENST00000615439.5
TSL:1 MANE Select
c.1715G>Cp.Arg572Pro
missense splice_region
Exon 14 of 17ENSP00000479844.1Q8TDF6-1
RASGRP4
ENST00000587738.2
TSL:5
c.1715G>Cp.Arg572Pro
missense splice_region
Exon 14 of 17ENSP00000465772.1Q8TDF6-1
RASGRP4
ENST00000586305.5
TSL:1
c.1673G>Cp.Arg558Pro
missense splice_region
Exon 14 of 17ENSP00000467604.1Q8TDF6-2

Frequencies

GnomAD3 genomes
Cov.:
32
GnomAD4 exome
AF:
0.00000207
AC:
3
AN:
1448998
Hom.:
0
Cov.:
32
AF XY:
0.00000139
AC XY:
1
AN XY:
719532
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
33144
American (AMR)
AF:
0.00
AC:
0
AN:
42816
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
25742
East Asian (EAS)
AF:
0.00
AC:
0
AN:
38934
South Asian (SAS)
AF:
0.00
AC:
0
AN:
84306
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
52632
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5746
European-Non Finnish (NFE)
AF:
0.00000271
AC:
3
AN:
1105760
Other (OTH)
AF:
0.00
AC:
0
AN:
59918
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.542
Heterozygous variant carriers
0
0
1
1
2
2
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
Cov.:
32

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.24
BayesDel_addAF
Pathogenic
0.26
D
BayesDel_noAF
Pathogenic
0.14
CADD
Benign
23
DANN
Uncertain
1.0
DEOGEN2
Benign
0.15
T
Eigen
Uncertain
0.35
Eigen_PC
Uncertain
0.29
FATHMM_MKL
Uncertain
0.82
D
LIST_S2
Uncertain
0.89
D
M_CAP
Pathogenic
0.44
D
MetaRNN
Pathogenic
0.85
D
MetaSVM
Pathogenic
0.81
D
MutationAssessor
Uncertain
2.6
M
PhyloP100
0.16
PrimateAI
Benign
0.28
T
PROVEAN
Pathogenic
-4.5
D
REVEL
Pathogenic
0.68
Sift
Uncertain
0.0010
D
Sift4G
Uncertain
0.0060
D
Polyphen
0.70
P
Vest4
0.61
MutPred
0.30
Gain of sheet (P = 0.0827)
MVP
0.80
MPC
1.1
ClinPred
0.98
D
GERP RS
2.4
Varity_R
0.72
gMVP
0.75
Mutation Taster
=48/52
disease causing

Splicing

Name
Calibrated prediction
Score
Prediction
dbscSNV1_ADA
Benign
0.00044
dbscSNV1_RF
Benign
0.31
SpliceAI score (max)
0.010
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: rs776295355; hg19: chr19-38901987; API