20-964094-C-T

Variant summary

Our verdict is Likely benign. Variant got -4 ACMG points: 2P and 6B. PM2BP4_StrongBP6_Moderate

The NM_001029871.4(RSPO4):​c.436G>A​(p.Gly146Ser) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000248 in 1,613,096 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 16/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★).

Frequency

Genomes: 𝑓 0.000066 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000021 ( 0 hom. )

Consequence

RSPO4
NM_001029871.4 missense

Scores

19

Clinical Significance

Likely benign criteria provided, single submitter B:1

Conservation

PhyloP100: -0.0670
Variant links:
Genes affected
RSPO4 (HGNC:16175): (R-spondin 4) This gene encodes a member of the R-spondin family of proteins that share a common domain organization consisting of a signal peptide, cysteine-rich/furin-like domain, thrombospondin domain and a C-terminal basic region. The encoded protein may be involved in activation of Wnt/beta-catenin signaling pathways. Mutations in this gene are associated with anonychia congenital. Alternate splicing results in multiple transcript variants.[provided by RefSeq, Sep 2009]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -4 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.059027284).
BP6
Variant 20-964094-C-T is Benign according to our data. Variant chr20-964094-C-T is described in ClinVar as [Likely_benign]. Clinvar id is 2526022.Status of the report is criteria_provided_single_submitter, 1 stars.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
RSPO4NM_001029871.4 linkuse as main transcriptc.436G>A p.Gly146Ser missense_variant 4/5 ENST00000217260.9
RSPO4XM_017027839.2 linkuse as main transcriptc.436G>A p.Gly146Ser missense_variant 4/4
RSPO4NM_001040007.3 linkuse as main transcriptc.409+3080G>A intron_variant

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
RSPO4ENST00000217260.9 linkuse as main transcriptc.436G>A p.Gly146Ser missense_variant 4/51 NM_001029871.4 P1Q2I0M5-1
RSPO4ENST00000400634.2 linkuse as main transcriptc.409+3080G>A intron_variant 1 Q2I0M5-2

Frequencies

GnomAD3 genomes
AF:
0.0000657
AC:
10
AN:
152176
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.000121
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:
0.0000735
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000366
AC:
9
AN:
246050
Hom.:
0
AF XY:
0.0000373
AC XY:
5
AN XY:
134146
show subpopulations
Gnomad AFR exome
AF:
0.000202
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.0000557
Gnomad SAS exome
AF:
0.0000654
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000270
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000205
AC:
30
AN:
1460920
Hom.:
0
Cov.:
32
AF XY:
0.0000220
AC XY:
16
AN XY:
726722
show subpopulations
Gnomad4 AFR exome
AF:
0.0000598
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.0000756
Gnomad4 SAS exome
AF:
0.0000696
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000171
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
AF:
0.0000657
AC:
10
AN:
152176
Hom.:
0
Cov.:
32
AF XY:
0.0000404
AC XY:
3
AN XY:
74346
show subpopulations
Gnomad4 AFR
AF:
0.000121
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000735
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.0000580
Hom.:
0
Bravo
AF:
0.0000453
ESP6500AA
AF:
0.000264
AC:
1
ESP6500EA
AF:
0.000122
AC:
1
ExAC
AF:
0.0000414
AC:
5
EpiCase
AF:
0.00
EpiControl
AF:
0.000119

ClinVar

Significance: Likely benign
Submissions summary: Benign:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

Inborn genetic diseases Benign:1
Likely benign, criteria provided, single submitterclinical testingAmbry GeneticsMar 15, 2023This alteration is classified as likely benign based on a combination of the following: seen in unaffected individuals, population frequency, intact protein function, lack of segregation with disease, co-occurrence, RNA analysis, in silico models, amino acid conservation, lack of disease association in case-control studies, and/or the mechanism of disease or impacted region is inconsistent with a known cause of pathogenicity. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.050
BayesDel_addAF
Benign
-0.31
T
BayesDel_noAF
Benign
-0.41
CADD
Benign
5.1
DANN
Benign
0.54
DEOGEN2
Benign
0.033
T
Eigen
Benign
-1.2
Eigen_PC
Benign
-1.1
FATHMM_MKL
Benign
0.24
N
LIST_S2
Benign
0.36
T
M_CAP
Benign
0.036
D
MetaRNN
Benign
0.059
T
MetaSVM
Benign
-0.91
T
MutationAssessor
Benign
-1.8
N
MutationTaster
Benign
1.0
D;N
PrimateAI
Benign
0.30
T
PROVEAN
Benign
1.2
N
REVEL
Benign
0.20
Sift
Benign
0.74
T
Sift4G
Benign
0.74
T
Polyphen
0.0020
B
Vest4
0.20
MVP
0.13
MPC
0.053
ClinPred
0.011
T
GERP RS
-0.85
Varity_R
0.034
gMVP
0.11

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

LitVar

Below is the list of publications found by LitVar. It may be empty.

Other links and lift over

dbSNP: rs377299234; hg19: chr20-944737; API