Variant summary

Our verdict is Likely pathogenic. The variant received 6 ACMG points: 6P and 0B. PM2PP3_Strong

The ENST00000520113.7(AMPD1):c.1615C>T(p.Pro539Ser) variant causes a missense change involving the alteration of a conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a pathogenic outcome for this variant. 13/22 in silico tools predict a damaging outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★). Synonymous variant affecting the same amino acid position (i.e. P539P) has been classified as Likely benign.

Frequency

Genomes: not found (cov: 32)

Consequence

AMPD1
ENST00000520113.7 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 10.0

Publications

1 publications found

Variant links:

Genes affected

AMPD1 (HGNC:468): (adenosine monophosphate deaminase 1) Adenosine monophosphate deaminase 1 catalyzes the deamination of AMP to IMP in skeletal muscle and plays an important role in the purine nucleotide cycle. Two other genes have been identified, AMPD2 and AMPD3, for the liver- and erythocyte-specific isoforms, respectively. Deficiency of the muscle-specific enzyme is apparently a common cause of exercise-induced myopathy and probably the most common cause of metabolic myopathy in the human. Alternatively spliced transcript variants encoding different isoforms have been identified in this gene.[provided by RefSeq, Feb 2010]

AMPD1 Gene-Disease associations (from GenCC):

myopathy due to myoadenylate deaminase deficiency
Inheritance: AR Classification: STRONG Submitted by: Labcorp Genetics (formerly Invitae)
adenosine monophosphate deaminase deficiency
Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet

AMPD1 links:

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ACMG classification

Classification was made for transcript

Our verdict: Likely_pathogenic. The variant received 6 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

PP3

MetaRNN computational evidence supports a deleterious effect, 0.961

Variant Effect in Transcripts

ACMG analysis was done for transcript: ENST00000520113.7. 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
	AMPD1	NM_000036.3	MANE Select	c.1615C>T	p.Pro539Ser	missense	Exon 12 of 16	NP_000027.3
	AMPD1	NM_001172626.2		c.1603C>T	p.Pro535Ser	missense	Exon 11 of 15	NP_001166097.2

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein
AMPD1	ENST00000520113.7	TSL:1 MANE Select	c.1615C>T	p.Pro539Ser	missense	Exon 12 of 16	ENSP00000430075.3
AMPD1	ENST00000369538.4	TSL:2	c.1603C>T	p.Pro535Ser	missense	Exon 11 of 15	ENSP00000358551.4
AMPD1	ENST00000637080.1	TSL:5	n.*822C>T		non_coding_transcript_exon	Exon 10 of 14	ENSP00000489753.1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

Cov.:

GnomAD4 genome

Cov.:

ClinVar

ClinVar submissions as Germline

Significance:Uncertain significance

Revision:criteria provided, single submitter

View on ClinVar

Pathogenic

VUS

Benign

Condition

Autism (1)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Pathogenic

0.99

BayesDel_addAF

Pathogenic

0.55

BayesDel_noAF

Pathogenic

0.56

CADD

Pathogenic

(source)

DANN

Pathogenic

1.0

DEOGEN2

Pathogenic

0.91

Eigen

Pathogenic

1.1

Eigen_PC

Pathogenic

1.0

FATHMM_MKL

Pathogenic

0.99

LIST_S2

Pathogenic

1.0

M_CAP

Pathogenic

0.63

MetaRNN

Pathogenic

0.96

MetaSVM

Pathogenic

1.1

MutationAssessor

Pathogenic

3.7

PhyloP100

PrimateAI

Uncertain

0.67

PROVEAN

Pathogenic

-7.6

REVEL

Pathogenic

0.94

Sift

Pathogenic

0.0

Sift4G

Pathogenic

0.0

Vest4

0.96

MVP

0.99

MPC

0.46

ClinPred

1.0

GERP RS

5.7

Varity_R

0.89

gMVP

0.86

Mutation Taster

=28/72

disease causing

(source)

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

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rs587779372

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

ClinVar

ClinVar submissions as Germline

Computational scores

Splicing

Publications

Other links and lift over