rs1446893

Positions:

• chr2-72592896-C-A
• chr2-72592896-C-G
• chr2-72592896-C-T

Variant summary

Our verdict is Likely benign. Variant got -2 ACMG points: 2P and 4B. PM2 BP4_Strong

The NM_015189.3(EXOC6B):​c.670-17228G>T variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

• Frequency: Genomes: not found (cov: 31)
• Consequence: EXOC6B NM_015189.3 intron
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: -0.0470

Genes affected

EXOC6B (HGNC:17085): (exocyst complex component 6B) This gene encodes a protein which is a part of the evolutionarily conserved exocyst, a multimeric protein complex necessary for exocytosis, which in turn, is crucial for cell growth, polarity and migration. Disruption of this gene may be associated with phenotypes exhibiting multiple symptoms including intellectual disability and developmental delay (DD). [provided by RefSeq, Jun 2016]

EXOC6B (HGNC:):

ACMG classification

Verdict is Likely_benign. Variant got -2 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (BayesDel_noAF=-0.95).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
EXOC6B	NM_015189.3	c.670-17228G>T		intron_variant		ENST00000272427.11	NP_056004.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt
EXOC6B	ENST00000272427.11	c.670-17228G>T		intron_variant		1	NM_015189.3	ENSP00000272427.7
EXOC6B	ENST00000410104.1	c.670-17228G>T		intron_variant		1		ENSP00000386698.1
EXOC6B	ENST00000634650.1	c.670-17228G>T		intron_variant		5		ENSP00000489442.1
EXOC6B	ENST00000410112.6	n.*381-17228G>T		intron_variant		5		ENSP00000386634.2

Frequencies

GnomAD3 genomes Cov.: 31

We have no GnomAD4 exomes data on this position. Probably position not covered by the project.

GnomAD4 genome Cov.: 31

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.95
CADD	Benign	4.3
DANN	Benign	0.21

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

LitVar

Other links and lift over

dbSNP: rs1446893; hg19: chr2-72820025;