chr3-130091368-C-A

Variant names:

• chr3-130091368-C-A
• rs749296563
• NM_001136152.1:c.128C>A

Variant summary

Our verdict is Uncertain significance. The variant received 0 ACMG points: 2P and 2B. PM2 BP4_Moderate

The NM_001136152.1(ALG1L2):​c.128C>A​(p.Ala43Asp) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000657 in 152,186 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 8/13 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. A43V) has been classified as Uncertain significance.

• Frequency: Genomes: 𝑓 0.0000066 (0 hom., cov: 32)
• Consequence: ALG1L2 NM_001136152.1 missense
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 1.68
• Publications: 0 publications found

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)

ENSG00000291081 (HGNC:):

ACMG classification

Our verdict: Uncertain_significance. The variant received 0 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (MetaRNN=0.11335319).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001136152.1. 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
	ALG1L2	NM_001136152.1	MANE Select	c.128C>A	p.Ala43Asp	missense	Exon 2 of 8	NP_001129624.1	C9J202
	LINC02014	NR_146710.1		n.249-248G>T		intron	N/A

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	ALG1L2	ENST00000425059.1	TSL:5 MANE Select	c.128C>A	p.Ala43Asp	missense	Exon 2 of 8	ENSP00000479850.1	C9J202
	ALG1L2	ENST00000698236.2		c.128C>A	p.Ala43Asp	missense	Exon 2 of 9	ENSP00000513618.2	A0A8V8TNA5
	ALG1L2	ENST00000698237.1		c.128C>A	p.Ala43Asp	missense	Exon 2 of 8	ENSP00000513619.1	A0A8V8TLI2

Frequencies

GnomAD3 genomes AF: 0.00000657 AC: 1 AN: 152186 Hom.: 0 Cov.: 32

Gnomad AFR AF: 0.0000241

Gnomad AMI AF: 0.00

Gnomad AMR AF: 0.00

Gnomad ASJ AF: 0.00

Gnomad EAS AF: 0.00

Gnomad SAS AF: 0.00

Gnomad FIN AF: 0.00

Gnomad MID AF: 0.00

Gnomad NFE AF: 0.00

Gnomad OTH AF: 0.00

GnomAD4 exome Cov.: 34

GnomAD4 genome AF: 0.00000657 AC: 1 AN: 152186 Hom.: 0 Cov.: 32 AF XY: 0.0000135 AC XY: 1 AN XY: 74342

African (AFR) AF: 0.0000241 AC: 1 AN: 41456

American (AMR) AF: 0.00 AC: 0 AN: 15282

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 3470

East Asian (EAS) AF: 0.00 AC: 0 AN: 5180

South Asian (SAS) AF: 0.00 AC: 0 AN: 4832

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 10620

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 316

European-Non Finnish (NFE) AF: 0.00 AC: 0 AN: 68032

Other (OTH) AF: 0.00 AC: 0 AN: 2088

Alfa AF: 0.00 Hom.: 0

Bravo AF: 0.00000756

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Benign	0.21
BayesDel_addAF	Benign	-0.081	T
BayesDel_noAF	Benign	-0.35
CADD	Benign	13
DANN	Benign	0.81
DEOGEN2	Benign	0.025	T
FATHMM_MKL	Benign	0.33	N
LIST_S2	Benign	0.74	T
MetaRNN	Benign	0.11	T
MutationAssessor	Uncertain	2.7	M
PhyloP100		1.7
PrimateAI	Uncertain	0.50	T
Sift4G	Benign	0.099	T
Polyphen		0.022	B
Vest4		0.15
MVP		0.085
GERP RS		1.2
Varity_R		0.11
gMVP		0.62
Mutation Taster		=100/0	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

Other links and lift over

dbSNP: rs749296563; hg19: chr3-129810211;