rs140597591

Variant summary

Our verdict is Likely benign. The variant received -3 ACMG points: 0P and 3B. BP4_ModerateBS1_Supporting

The NM_020631.6(PLEKHG5):​c.1783G>C​(p.Glu595Gln) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.0000366 in 1,613,914 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 (★★).

Frequency

Genomes: 𝑓 0.00016 ( 0 hom., cov: 33)
Exomes 𝑓: 0.000024 ( 0 hom. )

Consequence

PLEKHG5
NM_020631.6 missense

Scores

7
4
8

Clinical Significance

Uncertain significance criteria provided, multiple submitters, no conflicts U:3

Conservation

PhyloP100: 7.29

Publications

0 publications found
Variant links:
Genes affected
PLEKHG5 (HGNC:29105): (pleckstrin homology and RhoGEF domain containing G5) This gene encodes a protein that activates the nuclear factor kappa B (NFKB1) signaling pathway. Mutations in this gene are associated with autosomal recessive distal spinal muscular atrophy. Multiple transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, May 2012]
PLEKHG5 Gene-Disease associations (from GenCC):
  • neuromuscular disease
    Inheritance: AR Classification: DEFINITIVE Submitted by: ClinGen
  • Charcot-Marie-Tooth disease recessive intermediate C
    Inheritance: AR Classification: STRONG, MODERATE, SUPPORTIVE Submitted by: Orphanet, Labcorp Genetics (formerly Invitae), Ambry Genetics
  • neuronopathy, distal hereditary motor, autosomal recessive 4
    Inheritance: AR Classification: STRONG, SUPPORTIVE, LIMITED Submitted by: Orphanet, Labcorp Genetics (formerly Invitae), Ambry Genetics

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -3 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.19743004).
BS1
Variant frequency is greater than expected in population afr. GnomAd4 allele frequency = 0.000158 (24/152224) while in subpopulation AFR AF = 0.000555 (23/41458). AF 95% confidence interval is 0.000379. There are 0 homozygotes in GnomAd4. There are 10 alleles in the male GnomAd4 subpopulation. Median coverage is 33. This position passed quality control check. Existence of Clinvar submissions makes me limit the strength of this signal to Supporting

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
PLEKHG5NM_020631.6 linkc.1783G>C p.Glu595Gln missense_variant Exon 16 of 21 ENST00000377728.8 NP_065682.2 O94827-5

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
PLEKHG5ENST00000377728.8 linkc.1783G>C p.Glu595Gln missense_variant Exon 16 of 21 2 NM_020631.6 ENSP00000366957.3 O94827-5

Frequencies

GnomAD3 genomes
AF:
0.000158
AC:
24
AN:
152224
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.000555
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.0000654
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
GnomAD2 exomes
AF:
0.0000558
AC:
14
AN:
250766
AF XY:
0.0000442
show subpopulations
Gnomad AFR exome
AF:
0.000493
Gnomad AMR exome
AF:
0.000145
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.000164
GnomAD4 exome
AF:
0.0000239
AC:
35
AN:
1461690
Hom.:
0
Cov.:
33
AF XY:
0.0000234
AC XY:
17
AN XY:
727144
show subpopulations
African (AFR)
AF:
0.000627
AC:
21
AN:
33480
American (AMR)
AF:
0.000112
AC:
5
AN:
44722
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
26134
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39700
South Asian (SAS)
AF:
0.0000232
AC:
2
AN:
86248
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
53272
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5768
European-Non Finnish (NFE)
AF:
8.99e-7
AC:
1
AN:
1111980
Other (OTH)
AF:
0.0000994
AC:
6
AN:
60386
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.471
Heterozygous variant carriers
0
2
4
7
9
11
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
AF:
0.000158
AC:
24
AN:
152224
Hom.:
0
Cov.:
33
AF XY:
0.000134
AC XY:
10
AN XY:
74366
show subpopulations
African (AFR)
AF:
0.000555
AC:
23
AN:
41458
American (AMR)
AF:
0.0000654
AC:
1
AN:
15292
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3470
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5200
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4834
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:
0.00
AC:
0
AN:
68024
Other (OTH)
AF:
0.00
AC:
0
AN:
2094
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.481
Heterozygous variant carriers
0
3
5
8
10
13
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:
0.0000849
Hom.:
0
Bravo
AF:
0.000253
ESP6500AA
AF:
0.000681
AC:
3
ESP6500EA
AF:
0.00
AC:
0
ExAC
AF:
0.0000494
AC:
6

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:3
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

Inborn genetic diseases Uncertain:1
Dec 10, 2024
Ambry Genetics
Significance:Uncertain significance
Review Status:criteria provided, single submitter
Collection Method:clinical testing

The c.1783G>C (p.E595Q) alteration is located in exon 16 (coding exon 15) of the PLEKHG5 gene. This alteration results from a G to C substitution at nucleotide position 1783, causing the glutamic acid (E) at amino acid position 595 to be replaced by a glutamine (Q). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Neuronopathy, distal hereditary motor, autosomal recessive 4;C3809309:Charcot-Marie-Tooth disease recessive intermediate C Uncertain:1
Jul 12, 2022
Labcorp Genetics (formerly Invitae), Labcorp
Significance:Uncertain significance
Review Status:criteria provided, single submitter
Collection Method:clinical testing

This sequence change replaces glutamic acid, which is acidic and polar, with glutamine, which is neutral and polar, at codon 595 of the PLEKHG5 protein (p.Glu595Gln). This variant is present in population databases (rs140597591, gnomAD 0.06%). This variant has not been reported in the literature in individuals affected with PLEKHG5-related conditions. ClinVar contains an entry for this variant (Variation ID: 546263). Algorithms developed to predict the effect of missense changes on protein structure and function are either unavailable or do not agree on the potential impact of this missense change (SIFT: "Deleterious"; PolyPhen-2: "Probably Damaging"; Align-GVGD: "Class C0"). 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. -

not provided Uncertain:1
May 09, 2018
GeneDx
Significance:Uncertain significance
Review Status:criteria provided, single submitter
Collection Method:clinical testing

The E595Q variant has not been published as a pathogenic variant, nor has it been reported as a benign variant to our knowledge. The E595Q variant is observed in 15/24014 (0.06%) alleles from individuals of African background in large population cohorts (Lek et al., 2016). The E595Q variant is a semi-conservative amino acid substitution, which may impact secondary protein structure as these residues differ in some properties. In-silico analyses, including protein predictors and evolutionary conservation, support a deleterious effect. Therefore, based on the currently available information, it is unclear whether this variant is a pathogenic variant or a rare benign variant. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Pathogenic
0.80
BayesDel_addAF
Benign
-0.22
T
BayesDel_noAF
Benign
-0.16
CADD
Pathogenic
29
DANN
Uncertain
1.0
DEOGEN2
Uncertain
0.53
.;.;.;.;.;.;.;.;D;T
Eigen
Pathogenic
0.77
Eigen_PC
Pathogenic
0.74
FATHMM_MKL
Pathogenic
0.98
D
LIST_S2
Pathogenic
0.97
D;.;D;D;D;D;.;D;D;D
M_CAP
Benign
0.029
D
MetaRNN
Benign
0.20
T;T;T;T;T;T;T;T;T;T
MetaSVM
Benign
-0.92
T
MutationAssessor
Pathogenic
2.9
.;.;.;.;.;.;.;.;M;.
PhyloP100
7.3
PrimateAI
Uncertain
0.66
T
PROVEAN
Uncertain
-2.7
D;D;D;D;D;D;D;D;D;D
REVEL
Benign
0.23
Sift
Benign
0.034
D;D;D;D;D;D;D;D;D;D
Sift4G
Pathogenic
0.0
D;D;D;D;D;D;D;D;D;D
Polyphen
1.0, 1.0
.;.;.;.;D;D;.;.;D;D
Vest4
0.51
MVP
0.32
MPC
0.82
ClinPred
0.48
T
GERP RS
5.4
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.7
Varity_R
0.58
gMVP
0.67
Mutation Taster
=39/61
disease causing

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: rs140597591; hg19: chr1-6530313; API