chr11-46397907-G-C

Position:

• chr11-46397907-G-C

Variant summary

Our verdict is Likely benign. Variant got -4 ACMG points: 0P and 4B. BS2

The NM_001387011.1(AMBRA1):​c.3440C>G​(p.Ala1147Gly) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.00000484 in 1,446,162 control chromosomes in the GnomAD database, with no homozygous occurrence. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

• Frequency:
  • Genomes: not found (cov: 32)
  • Exomes 𝑓: 0.0000048 (0 hom.)
• Consequence: AMBRA1 NM_001387011.1 missense
• Clinical Significance: Uncertain significance criteria provided, single submitter U:1
• Conservation: PhyloP100: 7.44

Genes affected

AMBRA1 (HGNC:25990): (autophagy and beclin 1 regulator 1) Enables GTPase binding activity and ubiquitin protein ligase binding activity. Involved in macroautophagy; positive regulation of phosphatidylinositol 3-kinase activity; and response to mitochondrial depolarisation. Located in cytosol. Colocalizes with mitochondrion. Biomarker of multiple system atrophy. [provided by Alliance of Genome Resources, Apr 2022]

AMBRA1 (HGNC:):

ACMG classification

Verdict is Likely_benign. Variant got -4 ACMG points.

• BS2: High AC in GnomAdExome4 at 7 AD gene.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
AMBRA1	NM_001387011.1	c.3440C>G	p.Ala1147Gly	missense_variant	18/18	ENST00000683756.1	NP_001373940.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt
AMBRA1	ENST00000683756.1	c.3440C>G	p.Ala1147Gly	missense_variant	18/18		NM_001387011.1	ENSP00000508322.1

Frequencies

GnomAD3 genomes Cov.: 32

GnomAD4 exome AF: 0.00000484 AC: 7 AN: 1446162 Hom.: 0 Cov.: 31 AF XY: 0.00000278 AC XY: 2 AN XY: 719588

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: 0.00

Gnomad4 FIN exome AF: 0.00

Gnomad4 NFE exome AF: 0.00000630

Gnomad4 OTH exome AF: 0.00

GnomAD4 genome Cov.: 32

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

Submissions by phenotype

not specified Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Ambry Genetics

Dec 04, 2024

The c.3170C>G (p.A1057G) alteration is located in exon 19 (coding exon 18) of the AMBRA1 gene. This alteration results from a C to G substitution at nucleotide position 3170, causing the alanine (A) at amino acid position 1057 to be replaced by a glycine (G). 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	Uncertain	0.37
BayesDel_addAF	Pathogenic	0.19	D
BayesDel_noAF	Uncertain	0.040
CADD	Pathogenic	27
DANN	Uncertain	1.0
DEOGEN2	Benign	0.026	.;T;.;T;T;.
Eigen	Uncertain	0.63
Eigen_PC	Uncertain	0.63
FATHMM_MKL	Pathogenic	0.99	D
LIST_S2	Pathogenic	0.98	D;D;D;D;D;D
M_CAP	Benign	0.056	D
MetaRNN	Uncertain	0.47	T;T;T;T;T;T
MetaSVM	Uncertain	-0.032	T
MutationAssessor	Uncertain	2.2	.;.;.;M;.;.
PrimateAI	Uncertain	0.69	T
PROVEAN	Benign	-1.1	N;N;N;N;D;N
REVEL	Uncertain	0.34
Sift	Uncertain	0.0090	D;D;D;D;D;D
Sift4G	Uncertain	0.055	T;T;T;T;T;T
Polyphen		1.0	D;.;D;D;.;D
Vest4		0.55
MutPred		0.22		.;.;.;Loss of helix (P = 0.0072);.;.;
MVP		0.56
MPC		1.4
ClinPred		0.91	D
GERP RS		5.2
Varity_R		0.28
gMVP		0.84

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

No publications associated with this variant yet.

Other links and lift over

hg19: chr11-46419457;