Genetic Variant ALG10B:p.Asn147Lys (chr12-38320232-C-A) – ACMG Classification: Likely_benign (-4 pts)

Variant summary

Our verdict is Likely benign. The variant received -4 ACMG points: 0P and 4B. BP4_Strong

The NM_001013620.4(ALG10B):c.441C>A(p.Asn147Lys) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000031 in 1,613,916 control chromosomes in the GnomAD database, including 2 homozygotes. In-silico tool predicts a benign outcome for this variant. 13/22 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000026 ( 1 hom., cov: 32)

Exomes 𝑓: 0.000031 ( 1 hom. )

Consequence

ALG10B
NM_001013620.4 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 0.470

Publications

0 publications found

Variant links:

Genes affected

ALG10B (HGNC:31088): (ALG10 alpha-1,2-glucosyltransferase B) Enables transferase activity. Involved in positive regulation of inward rectifier potassium channel activity; positive regulation of protein glycosylation; and protein glycosylation. Located in endoplasmic reticulum. Implicated in long QT syndrome 2. [provided by Alliance of Genome Resources, Apr 2022]

ALG10B Gene-Disease associations (from GenCC):

long QT syndrome 2
Inheritance: Unknown Classification: LIMITED Submitted by: Labcorp Genetics (formerly Invitae)

ALG10B links:

ENSG00000301992 (HGNC:):

ENSG00000301992 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -4 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.058752894).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001013620.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	ALG10B	NM_001013620.4	MANE Select	c.441C>A	p.Asn147Lys	missense	Exon 3 of 3	NP_001013642.2	Q5I7T1
	ALG10B	NM_001308340.2		c.369+1774C>A		intron	N/A	NP_001295269.2	F8VXJ0

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
ALG10B	ENST00000308742.9	TSL:1 MANE Select	c.441C>A	p.Asn147Lys	missense	Exon 3 of 3	ENSP00000310120.4	Q5I7T1
ALG10B	ENST00000548240.1	TSL:1	n.*181C>A		non_coding_transcript_exon	Exon 3 of 3	ENSP00000449210.1	F8VWA9
ALG10B	ENST00000548240.1	TSL:1	n.*181C>A		3_prime_UTR	Exon 3 of 3	ENSP00000449210.1	F8VWA9

Frequencies

GnomAD3 genomes

AF:

0.0000263

AC:

AN:

152072

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.000828

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.00

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.0000797

AC:

AN:

250982

AF XY:

0.000103

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:

0.00000881

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000315

AC:

AN:

1461726

Hom.:

Cov.:

AF XY:

0.0000399

AC XY:

AN XY:

727156

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33476

American (AMR)

AF:

0.00

AC:

AN:

44718

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26128

East Asian (EAS)

AF:

0.00

AC:

AN:

39684

South Asian (SAS)

AF:

0.000464

AC:

AN:

86252

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53414

Middle Eastern (MID)

AF:

0.000347

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

8.99e-7

AC:

AN:

1111900

Other (OTH)

AF:

0.0000497

AC:

AN:

60386

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.468

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Variant carriers

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

GnomAD4 genome

AF:

0.0000263

AC:

AN:

152190

Hom.:

Cov.:

AF XY:

0.0000538

AC XY:

AN XY:

74394

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

41522

American (AMR)

AF:

0.00

AC:

AN:

15290

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3472

East Asian (EAS)

AF:

0.00

AC:

AN:

5182

South Asian (SAS)

AF:

0.000829

AC:

AN:

4826

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10586

Middle Eastern (MID)

AF:

0.00

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

67994

Other (OTH)

AF:

0.00

AC:

AN:

2112

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.475

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Genome Hom

Variant carriers

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

Alfa

AF:

0.00

Hom.:

Bravo

AF:

0.0000151

ExAC

AF:

0.0000988

AC:

EpiCase

AF:

0.0000545

EpiControl

AF:

0.00

ClinVar

ClinVar submissions

Significance:Uncertain significance

Revision:criteria provided, single submitter

View on ClinVar

Pathogenic

VUS

Benign

Condition

not specified (1)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Pathogenic

0.85

BayesDel_addAF

Benign

-0.35

BayesDel_noAF

Benign

-0.37

CADD

Benign

(source)

DANN

Uncertain

0.99

DEOGEN2

Benign

0.010

Eigen

Benign

-0.19

Eigen_PC

Benign

-0.20

FATHMM_MKL

Benign

0.64

LIST_S2

Uncertain

0.88

M_CAP

Benign

0.011

MetaRNN

Benign

0.059

MetaSVM

Benign

-1.1

MutationAssessor

Uncertain

2.5

PhyloP100

0.47

PrimateAI

Uncertain

0.57

PROVEAN

Benign

-1.8

REVEL

Benign

0.079

Sift

Uncertain

0.014

Sift4G

Uncertain

0.017

Polyphen

0.55

Vest4

0.39

MutPred

0.57

Gain of methylation at N147 (P = 2e-04)

MVP

0.58

MPC

0.11

ClinPred

0.18

GERP RS

0.42

Varity_R

0.65

gMVP

0.72

Mutation Taster

=73/27

polymorphism

(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

You must be logged in to view publications. This limit was set because tens of millions (!) of queries from AI bots are generated daily.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

Age Distribution

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over