ENST00000554341.6:n.-4A>C

Variant names:

• chr14-73949936-A-C
• NM_152445.3:c.54+37T>G

Variant summary

Our verdict is Likely benign. The variant received -2 ACMG points: 2P and 4B. PM2 BP4_Strong

The ENST00000554341.6(COQ6):​n.-157A>C variant causes a upstream gene 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: 32)
• Consequence: COQ6 ENST00000554341.6 upstream_gene
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 0.0330
• Publications: 0 publications found

Genes affected

FAM161B (HGNC:19854): (FAM161 centrosomal protein B) Predicted to be involved in cilium organization. Located in cytoplasmic microtubule. [provided by Alliance of Genome Resources, Apr 2022]

COQ6 (HGNC:20233): (coenzyme Q6, monooxygenase) The protein encoded by this gene belongs to the ubiH/COQ6 family. It is an evolutionarily conserved monooxygenase required for the biosynthesis of coenzyme Q10 (or ubiquinone), which is an essential component of the mitochondrial electron transport chain, and one of the most potent lipophilic antioxidants implicated in the protection of cell damage by reactive oxygen species. Knockdown of this gene in mouse and zebrafish results in decreased growth due to increased apoptosis. Mutations in this gene are associated with autosomal recessive coenzyme Q10 deficiency-6 (COQ10D6), which manifests as nephrotic syndrome with sensorineural deafness. Alternatively spliced transcript variants encoding different isoforms have been described for this gene. [provided by RefSeq, Jun 2012]

COQ6 Gene-Disease associations (from GenCC):

• familial steroid-resistant nephrotic syndrome with sensorineural deafness

  Inheritance: AR Classification: STRONG, MODERATE, SUPPORTIVE Submitted by: Ambry Genetics, Orphanet, Labcorp Genetics (formerly Invitae)
• SMARCB1-related schwannomatosis

  Inheritance: AD Classification: LIMITED Submitted by: Ambry Genetics

ACMG classification

Our verdict: Likely_benign. The variant received -2 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (BayesDel_noAF=-0.7).

Variant Effect in Transcripts

ACMG analysis was done for transcript: ENST00000554341.6. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Selected	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	FAM161B	NM_152445.3	MANE Select	c.54+37T>G		intron	N/A	NP_689658.3
	COQ6	NM_182480.3		c.-157A>C		5_prime_UTR	Exon 1 of 12	NP_872286.2
	COQ6	NM_001425258.1		c.-157A>C		5_prime_UTR	Exon 1 of 11	NP_001412187.1

Ensembl Transcripts

Selected	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	FAM161B	ENST00000286544.5	TSL:1 MANE Select	c.54+37T>G		intron	N/A	ENSP00000286544.4
	COQ6	ENST00000394026.8	TSL:2	c.-157A>C		5_prime_UTR	Exon 1 of 12	ENSP00000377594.4
	FAM161B	ENST00000651776.1		c.243+37T>G		intron	N/A	ENSP00000499021.1

Frequencies

GnomAD3 genomes Cov.: 32

GnomAD4 exome Cov.: 32

GnomAD4 genome Cov.: 32

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.70
CADD	Benign	8.3
DANN	Benign	0.64
PhyloP100		0.033
PromoterAI		-0.0050	Neutral

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

hg19: chr14-74416639;