Genetic Variant NM_001004127.3:c.1183A>G (chr13-52024913-A-G) – ACMG Classification: Likely_pathogenic (8 pts)

Variant summary

Our verdict is Likely pathogenic. The variant received 8 ACMG points: 8P and 0B. PM1PM2PM5PP3_Moderate

The NM_001004127.3(ALG11):c.1183A>G(p.Met395Val) 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. Variant has been reported in ClinVar as Uncertain significance (★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. M395T) has been classified as Likely pathogenic.

Frequency

Genomes: not found (cov: 32)

Consequence

ALG11
NM_001004127.3 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 8.89

Publications

0 publications found

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]

ALG11 links:

UTP14C (HGNC:20321): (UTP14C small subunit processome component) Predicted to be involved in several processes, including meiotic cell cycle; rRNA processing; and spermatogenesis. Located in cytosol and nucleolus. [provided by Alliance of Genome Resources, Apr 2022]

UTP14C links:

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ACMG classification

Classification was made for transcript

Our verdict: Likely_pathogenic. The variant received 8 ACMG points.

PM1

In a topological_domain Cytoplasmic (size 144) in uniprot entity ALG11_HUMAN there are 5 pathogenic changes around while only 0 benign (100%) in NM_001004127.3

PM2

Very rare variant in population databases, with high coverage;

PM5

Other missense variant is known to change same aminoacid residue: Variant chr13-52024914-T-C is described in ClinVar as Likely_pathogenic. ClinVar VariationId is 1210215.Status of the report is criteria_provided_single_submitter, 1 stars.

PP3

MetaRNN computational evidence supports a deleterious effect, 0.909

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001004127.3. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
ALG11	NM_001004127.3	MANE Select	c.1183A>G	p.Met395Val	missense	Exon 3 of 4	NP_001004127.2	Q2TAA5
UTP14C	NM_021645.6	MANE Select	c.-511A>G		5_prime_UTR	Exon 1 of 2	NP_067677.4
ALG11	NR_036571.3		n.66-3406A>G		intron	N/A

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
ALG11	ENST00000521508.2	TSL:1 MANE Select	c.1183A>G	p.Met395Val	missense	Exon 3 of 4	ENSP00000430236.1	Q2TAA5
UTP14C	ENST00000521776.2	TSL:1 MANE Select	c.-511A>G		5_prime_UTR	Exon 1 of 2	ENSP00000428619.1	Q5TAP6
ALG11	ENST00000649340.2		c.1183A>G	p.Met395Val	missense	Exon 3 of 4	ENSP00000497184.2	A0A3B3IS90

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

Cov.:

GnomAD4 genome

Cov.:

ClinVar

ClinVar submissions

Significance:Uncertain significance

Revision:criteria provided, single submitter

View on ClinVar

Pathogenic

VUS

Benign

Condition

not provided (1)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Pathogenic

0.76

BayesDel_addAF

Pathogenic

0.43

BayesDel_noAF

Pathogenic

0.38

CADD

Pathogenic

(source)

DANN

Uncertain

0.99

DEOGEN2

Uncertain

0.68

Eigen

Pathogenic

0.98

Eigen_PC

Pathogenic

0.93

FATHMM_MKL

Pathogenic

0.98

LIST_S2

Uncertain

0.94

M_CAP

Uncertain

0.16

MetaRNN

Pathogenic

0.91

MetaSVM

Uncertain

0.64

MutationAssessor

Pathogenic

3.9

PhyloP100

8.9

PrimateAI

Uncertain

0.67

PROVEAN

Uncertain

-4.0

REVEL

Pathogenic

0.88

Sift

Pathogenic

0.0

Sift4G

Pathogenic

0.0

Polyphen

1.0

Vest4

0.90

MutPred

0.70

Gain of catalytic residue at F400 (P = 0)

MVP

0.90

MPC

0.31

ClinPred

1.0

GERP RS

5.9

PromoterAI

0.049

Neutral

(source)

Varity_R

0.98

gMVP

0.90

Mutation Taster

=30/70

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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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

ClinVar

Computational scores

Splicing

Publications

Other links and lift over