NM_178516.4:c.2068G>A

Variant names:

• chr16-67184567-C-T
• NM_178516.4:c.2068G>A

Variant summary

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

The NM_178516.4(EXOC3L1):​c.2068G>A​(p.Asp690Asn) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000716 in 1,395,814 control chromosomes in the GnomAD database, with no homozygous occurrence. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

• Frequency:
  • Genomes: not found (cov: 33)
  • Exomes 𝑓: 7.2e-7 (0 hom.)
• Consequence: EXOC3L1 NM_178516.4 missense
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 2.16

Genes affected

EXOC3L1 (HGNC:27540): (exocyst complex component 3 like 1) Predicted to enable SNARE binding activity. Predicted to be involved in exocyst localization; exocytosis; and peptide hormone secretion. Predicted to be located in secretory granule. Predicted to be part of exocyst. [provided by Alliance of Genome Resources, Apr 2022]

ACMG classification

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 rank	MANE	Protein	UniProt
EXOC3L1	NM_178516.4	c.2068G>A	p.Asp690Asn	missense_variant	Exon 14 of 14	ENST00000314586.11	NP_848611.2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
EXOC3L1	ENST00000314586.11	c.2068G>A	p.Asp690Asn	missense_variant	Exon 14 of 14	2	NM_178516.4	ENSP00000325674.6

Frequencies

GnomAD3 genomes Cov.: 33

GnomAD4 exome AF: 7.16e-7 AC: 1 AN: 1395814 Hom.: 0 Cov.: 32 AF XY: 0.00 AC XY: 0 AN XY: 691076

Gnomad4 AFR exome AF: 0.00

Gnomad4 AMR exome AF: 0.00

Gnomad4 ASJ exome AF: 0.00

Gnomad4 EAS exome AF: 0.00

Gnomad4 SAS exome AF: 0.00

Gnomad4 FIN exome AF: 0.00

Gnomad4 NFE exome AF: 9.20e-7

Gnomad4 OTH exome AF: 0.00

GnomAD4 genome Cov.: 33

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Pathogenic	0.59
BayesDel_addAF	Benign	-0.21	T
BayesDel_noAF	Benign	-0.53
CADD	Pathogenic	26
DANN	Uncertain	0.99
DEOGEN2	Benign	0.029	T
Eigen	Uncertain	0.45
Eigen_PC	Uncertain	0.48
FATHMM_MKL	Benign	0.74	D
LIST_S2	Benign	0.82	T
M_CAP	Benign	0.035	D
MetaRNN	Uncertain	0.48	T
MetaSVM	Benign	-1.2	T
MutationAssessor	Pathogenic	2.9	M
PrimateAI	Uncertain	0.62	T
PROVEAN	Uncertain	-4.4	D
REVEL	Benign	0.18
Sift	Uncertain	0.0080	D
Sift4G	Benign	0.19	T
Polyphen		0.99	D
Vest4		0.34
MutPred		0.69		Gain of catalytic residue at D690 (P = 0.0039);
MVP		0.58
MPC		2.0
ClinPred		0.99	D
GERP RS		4.5
Varity_R		0.48
gMVP		0.73

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

No publications associated with this variant yet.

Other links and lift over

hg19: chr16-67218470;