chr13-52012423-C-T

Variant summary

Our verdict is Uncertain significance. Variant got 2 ACMG points: 2P and 0B. PM2

The NM_001004127.3(ALG11):​c.5C>T​(p.Ala2Val) 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 1,461,812 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★). Synonymous variant affecting the same amino acid position (i.e. A2A) has been classified as Likely benign.

Frequency

Genomes: not found (cov: 33)
Exomes 𝑓: 0.0000014 ( 0 hom. )

Consequence

ALG11
NM_001004127.3 missense

Scores

7
12

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 1.93
Variant links:
Genes affected
ALG11 (HGNC:32456): (ALG11 alpha-1,2-mannosyltransferase) This gene encodes a GDP-Man:Man3GlcNAc2-PP-dolichol-alpha1,2-mannosyltransferase which is localized to the cytosolic side of the endoplasmic reticulum (ER) and catalyzes the transfer of the fourth and fifth mannose residue from GDP-mannose (GDP-Man) to Man3GlcNAc2-PP-dolichol and Man4GlcNAc2-PP-dolichol resulting in the production of Man5GlcNAc2-PP-dolichol. Mutations in this gene are associated with congenital disorder of glycosylation type Ip (CDGIP). This gene overlaps but is distinct from the UTP14, U3 small nucleolar ribonucleoprotein, homolog C (yeast) gene. A pseudogene of the GDP-Man:Man3GlcNAc2-PP-dolichol-alpha1,2-mannosyltransferase has been identified on chromosome 19. [provided by RefSeq, Aug 2010]

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ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 2 ACMG points.

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

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
ALG11NM_001004127.3 linkuse as main transcriptc.5C>T p.Ala2Val missense_variant 1/4 ENST00000521508.2
ALG11NR_036571.3 linkuse as main transcriptn.26C>T non_coding_transcript_exon_variant 1/2

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
ALG11ENST00000521508.2 linkuse as main transcriptc.5C>T p.Ala2Val missense_variant 1/41 NM_001004127.3 P4

Frequencies

GnomAD3 genomes
Cov.:
33
GnomAD4 exome
AF:
0.00000137
AC:
2
AN:
1461812
Hom.:
0
Cov.:
30
AF XY:
0.00000275
AC XY:
2
AN XY:
727186
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.0000252
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
8.99e-7
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
Cov.:
33
Bravo
AF:
0.00000378

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

ALG11-congenital disorder of glycosylation Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingLabcorp Genetics (formerly Invitae), LabcorpAug 31, 2021- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.25
BayesDel_addAF
Uncertain
0.14
D
BayesDel_noAF
Uncertain
-0.040
CADD
Benign
21
DANN
Benign
0.96
DEOGEN2
Benign
0.061
.;.;T
Eigen
Benign
-0.011
Eigen_PC
Benign
0.048
FATHMM_MKL
Uncertain
0.85
D
LIST_S2
Benign
0.32
T;T;T
M_CAP
Benign
0.066
D
MetaRNN
Uncertain
0.47
T;T;T
MetaSVM
Benign
-0.71
T
MutationAssessor
Benign
1.8
.;.;L
MutationTaster
Benign
0.93
N;N
PrimateAI
Uncertain
0.49
T
PROVEAN
Uncertain
-4.0
D;.;N
REVEL
Benign
0.23
Sift
Uncertain
0.021
.;.;D
Sift4G
Benign
0.20
.;.;T
Polyphen
0.82
.;.;P
Vest4
0.48
MutPred
0.32
Gain of catalytic residue at A3 (P = 0);Gain of catalytic residue at A3 (P = 0);Gain of catalytic residue at A3 (P = 0);
MVP
0.81
MPC
0.088
ClinPred
0.96
D
GERP RS
4.2
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.0
Varity_R
0.094
gMVP
0.59

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: rs1363416785; hg19: chr13-52586559; API