chr12-103997458-A-C

Variant names:

• chr12-103997458-A-C
• rs1292773688
• NM_001384711.1:c.480T>G

Variant summary

Our verdict is Uncertain significance. The variant received 4 ACMG points: 4P and 0B. PM2 PP3_Moderate

The NM_001384711.1(GLT8D2):​c.480T>G​(p.Ile160Met) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000373 in 1,609,698 control chromosomes in the GnomAD database, with no homozygous occurrence. 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. I160S) has been classified as Uncertain significance.

• Frequency:
  • Genomes: 𝑓 0.0000066 (0 hom., cov: 32)
  • Exomes 𝑓: 0.0000034 (0 hom.)
• Consequence: GLT8D2 NM_001384711.1 missense
• Clinical Significance: Uncertain significance criteria provided, single submitter U:1
• Conservation: PhyloP100: 0.789
• Publications: 1 publications found

Genes affected

GLT8D2 (HGNC:24890): (glycosyltransferase 8 domain containing 2) Predicted to enable glycosyltransferase activity. Predicted to be integral component of membrane. Predicted to be active in Golgi apparatus. [provided by Alliance of Genome Resources, Apr 2022]

ACMG classification

Our verdict: Uncertain_significance. The variant received 4 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• PP3: MetaRNN computational evidence supports a deleterious effect, 0.857

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001384711.1. 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
	GLT8D2	NM_001384711.1	MANE Select	c.480T>G	p.Ile160Met	missense	Exon 7 of 11	NP_001371640.1	Q9H1C3
	GLT8D2	NM_001384712.1		c.495T>G	p.Ile165Met	missense	Exon 6 of 10	NP_001371641.1
	GLT8D2	NM_001316967.2		c.480T>G	p.Ile160Met	missense	Exon 7 of 11	NP_001303896.1	Q9H1C3

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	GLT8D2	ENST00000360814.9	TSL:1 MANE Select	c.480T>G	p.Ile160Met	missense	Exon 7 of 11	ENSP00000354053.4	Q9H1C3
	GLT8D2	ENST00000951197.1		c.549T>G	p.Ile183Met	missense	Exon 8 of 12	ENSP00000621256.1
	GLT8D2	ENST00000546436.5	TSL:5	c.480T>G	p.Ile160Met	missense	Exon 6 of 10	ENSP00000449750.1	Q9H1C3

Frequencies

GnomAD3 genomes AF: 0.00000657 AC: 1 AN: 152240 Hom.: 0 Cov.: 32

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: 0.00

Gnomad FIN AF: 0.00

Gnomad MID AF: 0.00

Gnomad NFE AF: 0.0000147

Gnomad OTH AF: 0.00

GnomAD2 exomes AF: 0.00000398 AC: 1 AN: 251360 AF XY: 0.00

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: 0.00000880

Gnomad OTH exome AF: 0.00

GnomAD4 exome AF: 0.00000343 AC: 5 AN: 1457458 Hom.: 0 Cov.: 29 AF XY: 0.00000551 AC XY: 4 AN XY: 725376

African (AFR) AF: 0.00 AC: 0 AN: 33412

American (AMR) AF: 0.00 AC: 0 AN: 44716

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 26114

East Asian (EAS) AF: 0.00 AC: 0 AN: 39682

South Asian (SAS) AF: 0.00 AC: 0 AN: 86152

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 53406

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 5756

European-Non Finnish (NFE) AF: 0.00000451 AC: 5 AN: 1107968

Other (OTH) AF: 0.00 AC: 0 AN: 60252

GnomAD4 genome AF: 0.00000657 AC: 1 AN: 152240 Hom.: 0 Cov.: 32 AF XY: 0.0000134 AC XY: 1 AN XY: 74394

African (AFR) AF: 0.00 AC: 0 AN: 41454

American (AMR) AF: 0.00 AC: 0 AN: 15290

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

East Asian (EAS) AF: 0.00 AC: 0 AN: 5204

South Asian (SAS) AF: 0.00 AC: 0 AN: 4838

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 10626

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

European-Non Finnish (NFE) AF: 0.0000147 AC: 1 AN: 68038

Other (OTH) AF: 0.00 AC: 0 AN: 2092

Alfa AF: 0.0000413 Hom.: 0

Bravo AF: 0.0000113

EpiCase AF: 0.00

EpiControl AF: 0.0000593

ClinVar

ClinVar submissions

Significance: Uncertain significance

Revision: criteria provided, single submitter

Pathogenic	VUS	Benign	Condition
-	1	-	not specified (1)

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Pathogenic	0.60
BayesDel_addAF	Uncertain	0.13	D
BayesDel_noAF	Uncertain	-0.060
CADD	Benign	21
DANN	Uncertain	1.0
DEOGEN2	Uncertain	0.55	D
Eigen	Uncertain	0.26
Eigen_PC	Benign	0.12
FATHMM_MKL	Uncertain	0.76	D
LIST_S2	Uncertain	0.96	D
M_CAP	Benign	0.033	D
MetaRNN	Pathogenic	0.86	D
MetaSVM	Benign	-0.54	T
MutationAssessor	Pathogenic	3.0	M
PhyloP100		0.79
PrimateAI	Uncertain	0.76	T
PROVEAN	Uncertain	-2.8	D
REVEL	Uncertain	0.51
Sift	Uncertain	0.0010	D
Sift4G	Pathogenic	0.0	D
Polyphen		1.0	D
Vest4		0.94
MVP		0.46
MPC		0.58
ClinPred		0.99	D
GERP RS		-1.8
Varity_R		0.71
gMVP		0.80
Mutation Taster		=37/63	disease causing

Splicing

Name	Calibrated prediction	Score	Prediction
SpliceAI score (max)		0.030		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: rs1292773688; hg19: chr12-104391236;