rs61741216

Variant summary

Our verdict is Likely benign. Variant got -2 ACMG points: 2P and 4B. PM2BP4_Strong

The NM_144670.6(A2ML1):​c.2252C>A​(p.Ala751Glu) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000137 in 1,461,814 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 15/21 in silico tools predict a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. A751V) has been classified as Benign.

Frequency

Genomes: not found (cov: 32)
Exomes 𝑓: 0.0000014 ( 0 hom. )

Consequence

A2ML1
NM_144670.6 missense

Scores

19

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: -0.289
Variant links:
Genes affected
A2ML1 (HGNC:23336): (alpha-2-macroglobulin like 1) This gene encodes a member of the alpha-macroglobulin superfamily. The encoded protein is thought to be an N-glycosylated monomeric protein that acts as an inhibitor of several proteases. It has been shown to form covalent interactions with proteases, and has been reported as the p170 antigen recognized by autoantibodies in the autoimmune disease paraneoplastic pemphigus (PNP; PMID:20805888). Mutations in these gene have also been associated with some cases of Noonan syndrome (NS; PMID:24939586) as well as some cases of otitis media (PMID:26121085). Alternative splicing results in multiple transcript variants encoding different isoforms. [provided by RefSeq, Aug 2015]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -2 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.03934908).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
A2ML1NM_144670.6 linkuse as main transcriptc.2252C>A p.Ala751Glu missense_variant 19/36 ENST00000299698.12 NP_653271.3 B3KVV6

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
A2ML1ENST00000299698.12 linkuse as main transcriptc.2252C>A p.Ala751Glu missense_variant 19/361 NM_144670.6 ENSP00000299698.7 A8K2U0-1
A2ML1ENST00000541459.5 linkuse as main transcriptc.902C>A p.Ala301Glu missense_variant 8/252 ENSP00000443174.1 H0YGG5
A2ML1ENST00000539547.5 linkuse as main transcriptc.779C>A p.Ala260Glu missense_variant 8/252 ENSP00000438292.1 A8K2U0-2

Frequencies

GnomAD3 genomes
Cov.:
32
GnomAD3 exomes
AF:
0.00000401
AC:
1
AN:
249426
Hom.:
0
AF XY:
0.00000739
AC XY:
1
AN XY:
135334
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:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00000883
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000137
AC:
2
AN:
1461814
Hom.:
0
Cov.:
30
AF XY:
0.00
AC XY:
0
AN XY:
727194
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:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00000180
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
Cov.:
32
Bravo
AF:
0.00000378
ExAC
AF:
0.00000826
AC:
1

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.11
BayesDel_addAF
Benign
-0.30
T
BayesDel_noAF
Benign
-0.67
CADD
Benign
0.34
DANN
Benign
0.28
DEOGEN2
Benign
0.0010
T;T;.
Eigen
Benign
-1.0
Eigen_PC
Benign
-0.90
FATHMM_MKL
Benign
0.065
N
LIST_S2
Benign
0.53
T;T;T
M_CAP
Benign
0.0031
T
MetaRNN
Benign
0.039
T;T;T
MetaSVM
Benign
-0.98
T
MutationAssessor
Benign
-1.5
N;.;.
PrimateAI
Benign
0.31
T
PROVEAN
Benign
2.4
N;N;N
REVEL
Benign
0.11
Sift
Benign
1.0
T;T;T
Sift4G
Benign
1.0
T;T;T
Polyphen
0.023
B;.;.
Vest4
0.088
MutPred
0.51
Gain of disorder (P = 0.0241);.;.;
MVP
0.030
MPC
0.13
ClinPred
0.050
T
GERP RS
3.3
Varity_R
0.023
gMVP
0.27

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: rs61741216; hg19: chr12-9004397; API