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chr5-57481821-G-A

Variant summary

Our verdict is Likely benign. Variant got -3 ACMG points: 1P and 4B. PP3BS2

The NM_001017992.4(ACTBL2):​c.887C>T​(p.Ala296Val) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.0000118 in 1,613,932 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000013 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000012 ( 0 hom. )

Consequence

ACTBL2
NM_001017992.4 missense

Scores

5
6
7

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 9.99
Variant links:
Genes affected
ACTBL2 (HGNC:17780): (actin beta like 2) Predicted to enable protein kinase binding activity. Predicted to be a structural constituent of postsynaptic actin cytoskeleton. Predicted to be involved in axonogenesis and cell motility. Located in extracellular exosome. [provided by Alliance of Genome Resources, Apr 2022]
RMEL3 (HGNC:53975): (enriched in melanoma 3)

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -3 ACMG points.

PP3
MetaRNN computational evidence supports a deleterious effect, 0.823
BS2
High AC in GnomAdExome4 at 17 AD gene.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
ACTBL2NM_001017992.4 linkuse as main transcriptc.887C>T p.Ala296Val missense_variant 1/1 ENST00000423391.3

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
ACTBL2ENST00000423391.3 linkuse as main transcriptc.887C>T p.Ala296Val missense_variant 1/1 NM_001017992.4 P1
RMEL3ENST00000506106.1 linkuse as main transcriptn.120-12254G>A intron_variant, non_coding_transcript_variant 2

Frequencies

GnomAD3 genomes
AF:
0.0000132
AC:
2
AN:
152074
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:
0.0000294
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000119
AC:
3
AN:
251198
Hom.:
0
AF XY:
0.0000147
AC XY:
2
AN XY:
135738
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.0000653
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00000881
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000116
AC:
17
AN:
1461858
Hom.:
0
Cov.:
30
AF XY:
0.0000165
AC XY:
12
AN XY:
727220
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.0000580
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00000629
Gnomad4 OTH exome
AF:
0.0000828
GnomAD4 genome
AF:
0.0000132
AC:
2
AN:
152074
Hom.:
0
Cov.:
32
AF XY:
0.0000269
AC XY:
2
AN XY:
74268
show subpopulations
Gnomad4 AFR
AF:
0.00
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:
0.0000294
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.0000434
Hom.:
0
Bravo
AF:
0.0000151

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 GeneticsAug 30, 2021The c.887C>T (p.A296V) alteration is located in exon 1 (coding exon 1) of the ACTBL2 gene. This alteration results from a C to T substitution at nucleotide position 887, causing the alanine (A) at amino acid position 296 to be replaced by a valine (V). 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
0.25
BayesDel_addAF
Benign
-0.071
T
BayesDel_noAF
Benign
-0.14
CADD
Pathogenic
26
DANN
Benign
0.95
DEOGEN2
Uncertain
0.59
D
Eigen
Pathogenic
0.90
Eigen_PC
Pathogenic
0.85
FATHMM_MKL
Pathogenic
0.99
D
LIST_S2
Uncertain
0.95
D
M_CAP
Benign
0.019
T
MetaRNN
Pathogenic
0.82
D
MetaSVM
Benign
-1.0
T
MutationAssessor
Pathogenic
3.0
M
MutationTaster
Benign
1.0
D
PrimateAI
Uncertain
0.76
T
PROVEAN
Uncertain
-2.4
N
REVEL
Uncertain
0.40
Sift4G
Uncertain
0.045
D
Polyphen
0.94
P
Vest4
0.84
MutPred
0.70
Loss of ubiquitination at K292 (P = 0.0907);
MVP
0.43
MPC
0.32
ClinPred
0.95
D
GERP RS
4.9
Varity_R
0.62
gMVP
0.33

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: rs1391883651; hg19: chr5-56777648; API