5-57482386-C-A

Variant names:

• chr5-57482386-C-A
• rs73757391
• NM_001017992.4:c.322G>T

Variant summary

Our verdict is Uncertain significance. The variant received 2 ACMG points: 2P and 0B. PM2

The NM_001017992.4(ACTBL2):​c.322G>T​(p.Glu108*) variant causes a stop gained change. The variant allele was found at a frequency of 0.000000684 in 1,461,848 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

• Frequency:
  • Genomes: not found (cov: 32)
  • Exomes 𝑓: 6.8e-7 (0 hom.)
• Consequence: ACTBL2 NM_001017992.4 stop_gained
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 6.14
• Publications: 0 publications found

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)

ACMG classification

Our verdict: Uncertain_significance. The variant received 2 ACMG points.

• PM2: Very rare variant in population databases, with high coverage

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001017992.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Selected	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	ACTBL2	NM_001017992.4	MANE Select	c.322G>T	p.Glu108*	stop_gained	Exon 1 of 1	NP_001017992.1
	RMEL3	NR_186596.1		n.73-11689C>A		intron	N/A

Ensembl Transcripts

Selected	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	ACTBL2	ENST00000423391.3	TSL:6 MANE Select	c.322G>T	p.Glu108*	stop_gained	Exon 1 of 1	ENSP00000416706.1
	RMEL3	ENST00000506106.1	TSL:2	n.120-11689C>A		intron	N/A
	RMEL3	ENST00000771489.1		n.274-6268C>A		intron	N/A

Frequencies

GnomAD3 genomes Cov.: 32

GnomAD4 exome AF: 6.84e-7 AC: 1 AN: 1461848 Hom.: 0 Cov.: 31 AF XY: 0.00000138 AC XY: 1 AN XY: 727214

African (AFR) AF: 0.00 AC: 0 AN: 33480

American (AMR) AF: 0.00 AC: 0 AN: 44724

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 26136

East Asian (EAS) AF: 0.00 AC: 0 AN: 39694

South Asian (SAS) AF: 0.00 AC: 0 AN: 86228

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 53420

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 5768

European-Non Finnish (NFE) AF: 0.00 AC: 0 AN: 1112002

Other (OTH) AF: 0.0000166 AC: 1 AN: 60396

GnomAD4 genome Cov.: 32

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
BayesDel_addAF	Pathogenic	0.56	D
BayesDel_noAF	Pathogenic	0.57
CADD	Pathogenic	40
DANN	Uncertain	1.0
Eigen	Pathogenic	0.90
Eigen_PC	Pathogenic	0.69
FATHMM_MKL	Uncertain	0.95	D
PhyloP100		6.1
Vest4		0.39
GERP RS		4.0
PromoterAI		-0.019	Neutral
Mutation Taster		=156/44	polymorphism

Splicing

Name	Calibrated prediction	Score	Prediction
SpliceAI score (max)		0.030		Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Other links and lift over

dbSNP: rs73757391; hg19: chr5-56778213;