10-70340565-T-G

Variant summary

Our verdict is Uncertain significance. Variant got 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_001278212.2(LRRC20):ā€‹c.220A>Cā€‹(p.Ser74Arg) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000031 in 1,614,048 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 14/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (ā˜…).

Frequency

Genomes: š‘“ 0.0000066 ( 0 hom., cov: 32)
Exomes š‘“: 0.0000027 ( 0 hom. )

Consequence

LRRC20
NM_001278212.2 missense

Scores

4
15

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 3.42
Variant links:
Genes affected
LRRC20 (HGNC:23421): (leucine rich repeat containing 20)

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 0 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.25137416).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
LRRC20NM_001278212.2 linkuse as main transcriptc.220A>C p.Ser74Arg missense_variant 3/5 ENST00000446961.4 NP_001265141.1 Q8TCA0-1A0A024QZM2

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
LRRC20ENST00000446961.4 linkuse as main transcriptc.220A>C p.Ser74Arg missense_variant 3/52 NM_001278212.2 ENSP00000413745.2 Q8TCA0-1X6RK58

Frequencies

GnomAD3 genomes
AF:
0.00000657
AC:
1
AN:
152188
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:
0.00
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.00000795
AC:
2
AN:
251462
Hom.:
0
AF XY:
0.00000736
AC XY:
1
AN XY:
135906
show subpopulations
Gnomad AFR exome
AF:
0.000123
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000274
AC:
4
AN:
1461860
Hom.:
0
Cov.:
31
AF XY:
0.00000275
AC XY:
2
AN XY:
727230
show subpopulations
Gnomad4 AFR exome
AF:
0.000119
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
AF:
0.00000657
AC:
1
AN:
152188
Hom.:
0
Cov.:
32
AF XY:
0.0000134
AC XY:
1
AN XY:
74360
show subpopulations
Gnomad4 AFR
AF:
0.0000241
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:
0.00
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.0000386
Hom.:
0
Bravo
AF:
0.0000189

ClinVar

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

Submissions by phenotype

not specified Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingAmbry GeneticsOct 03, 2022The c.220A>C (p.S74R) alteration is located in exon 3 (coding exon 2) of the LRRC20 gene. This alteration results from a A to C substitution at nucleotide position 220, causing the serine (S) at amino acid position 74 to be replaced by an arginine (R). 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
0.31
BayesDel_addAF
Benign
-0.23
T
BayesDel_noAF
Benign
-0.34
CADD
Benign
22
DANN
Uncertain
0.99
DEOGEN2
Benign
0.061
T;T;T;.;.
Eigen
Benign
-0.15
Eigen_PC
Benign
-0.037
FATHMM_MKL
Uncertain
0.88
D
LIST_S2
Benign
0.66
T;.;T;T;T
M_CAP
Benign
0.025
T
MetaRNN
Benign
0.25
T;T;T;T;T
MetaSVM
Benign
-0.96
T
MutationAssessor
Benign
0.97
.;L;L;L;.
PrimateAI
Benign
0.39
T
PROVEAN
Uncertain
-3.6
.;D;D;D;D
REVEL
Benign
0.057
Sift
Uncertain
0.0040
.;D;D;D;D
Sift4G
Benign
0.069
T;T;T;T;.
Polyphen
0.026, 0.27
.;B;B;B;.
Vest4
0.38
MutPred
0.35
.;Gain of MoRF binding (P = 0.053);Gain of MoRF binding (P = 0.053);Gain of MoRF binding (P = 0.053);Gain of MoRF binding (P = 0.053);
MVP
0.67
MPC
0.36
ClinPred
0.29
T
GERP RS
2.0
Varity_R
0.31
gMVP
0.46

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: rs1032235290; hg19: chr10-72100321; API