rs756601914

Variant summary

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

The NM_001136152.1(ALG1L2):​c.289C>A​(p.Pro97Thr) variant causes a missense change. The variant allele was found at a frequency of 0.000000685 in 1,459,158 control chromosomes in the GnomAD database, with no homozygous occurrence. 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. P97S) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 31)
Exomes 𝑓: 6.9e-7 ( 0 hom. )

Consequence

ALG1L2
NM_001136152.1 missense

Scores

1
7
3

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 5.22

Publications

0 publications found
Variant links:
Genes affected
ALG1L2 (HGNC:37258): (ALG1 chitobiosyldiphosphodolichol beta-mannosyltransferase like 2) Predicted to enable mannosyltransferase activity. Predicted to be involved in protein glycosylation. Predicted to be active in endoplasmic reticulum. [provided by Alliance of Genome Resources, Apr 2022]
LINC02014 (HGNC:52849): (long intergenic non-protein coding RNA 2014)

Genome browser will be placed here

ACMG classification

Classification was made for transcript

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

PM2
Very rare variant in population databases, with high coverage;

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
ALG1L2NM_001136152.1 linkc.289C>A p.Pro97Thr missense_variant Exon 4 of 8 ENST00000425059.1 NP_001129624.1 C9J202
LINC02014NR_146710.1 linkn.157+1012G>T intron_variant Intron 1 of 4

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
ALG1L2ENST00000425059.1 linkc.289C>A p.Pro97Thr missense_variant Exon 4 of 8 5 NM_001136152.1 ENSP00000479850.1 C9J202

Frequencies

GnomAD3 genomes
Cov.:
31
GnomAD2 exomes
AF:
0.00000399
AC:
1
AN:
250878
AF XY:
0.00
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 FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
6.85e-7
AC:
1
AN:
1459158
Hom.:
0
Cov.:
34
AF XY:
0.00
AC XY:
0
AN XY:
725876
show subpopulations
⚠️ The allele balance in gnomAD version 4 Exomes is significantly skewed from the expected value of 0.5.
African (AFR)
AF:
0.00
AC:
0
AN:
33372
American (AMR)
AF:
0.00
AC:
0
AN:
44702
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
26118
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39664
South Asian (SAS)
AF:
0.0000116
AC:
1
AN:
86130
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
53362
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
4172
European-Non Finnish (NFE)
AF:
0.00
AC:
0
AN:
1111476
Other (OTH)
AF:
0.00
AC:
0
AN:
60162
⚠️ The allele balance in gnomAD4 Exomes is highly skewed from 0.5 (p-value = 0.000000), which strongly suggests a high chance of mosaicism in these individuals.
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.375
Heterozygous variant carriers
0
0
1
1
2
2
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance
GnomAD4 genome
Cov.:
31
ExAC
AF:
0.00000824
AC:
1

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.20
BayesDel_addAF
Uncertain
0.087
D
BayesDel_noAF
Uncertain
-0.020
CADD
Uncertain
25
DANN
Benign
0.72
DEOGEN2
Benign
0.37
T
FATHMM_MKL
Uncertain
0.88
D
LIST_S2
Uncertain
0.96
D
MetaRNN
Uncertain
0.71
D
MutationAssessor
Pathogenic
3.1
M
PhyloP100
5.2
PrimateAI
Uncertain
0.60
T
Sift4G
Uncertain
0.011
D
Polyphen
0.98
D
Vest4
0.58
MVP
0.085
GERP RS
1.2
Varity_R
0.099
gMVP
0.80
Mutation Taster
=96/4
polymorphism

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

Other links and lift over

dbSNP: rs756601914; hg19: chr3-129811979; API