chr1-46315790-G-A

Variant names:

• chr1-46315790-G-A
• rs4660920
• NM_006004.4:c.244-762G>A

Variant summary

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

The NM_006004.4(UQCRH):​c.244-762G>A variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000658 in 151,920 control chromosomes in the GnomAD database, with no homozygous occurrence. 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: 𝑓 0.0000066 (0 hom., cov: 31)
• Consequence: UQCRH NM_006004.4 intron
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 0.126
• Publications: 2 publications found

Genes affected

UQCRH (HGNC:12590): (ubiquinol-cytochrome c reductase hinge protein) Predicted to enable ubiquinol-cytochrome-c reductase activity. Predicted to be involved in mitochondrial electron transport, ubiquinol to cytochrome c. Located in mitochondrion. [provided by Alliance of Genome Resources, Apr 2022]

UQCRH Gene-Disease associations (from GenCC):

• mitochondrial complex III deficiency, nuclear type 11

  Inheritance: AR, Unknown Classification: LIMITED Submitted by: Ambry Genetics, Labcorp Genetics (formerly Invitae)

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=-0.84).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_006004.4. 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
	UQCRH	NM_006004.4	MANE Select	c.244-762G>A		intron	N/A	NP_005995.2
	UQCRH	NM_001297565.2		c.226-762G>A		intron	N/A	NP_001284494.1
	UQCRH	NM_001297566.2		c.217-762G>A		intron	N/A	NP_001284495.1

Ensembl Transcripts

Selected	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	UQCRH	ENST00000311672.10	TSL:1 MANE Select	c.244-762G>A		intron	N/A	ENSP00000309565.5
	UQCRH	ENST00000496387.5	TSL:1	n.*83-762G>A		intron	N/A	ENSP00000477826.1
	UQCRH	ENST00000460947.1	TSL:2	n.397-762G>A		intron	N/A

Frequencies

GnomAD3 genomes AF: 0.00000658 AC: 1 AN: 151920 Hom.: 0 Cov.: 31

Gnomad AFR AF: 0.0000242

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

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

GnomAD4 genome AF: 0.00000658 AC: 1 AN: 151920 Hom.: 0 Cov.: 31 AF XY: 0.0000135 AC XY: 1 AN XY: 74170

African (AFR) AF: 0.0000242 AC: 1 AN: 41350

American (AMR) AF: 0.00 AC: 0 AN: 15240

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

East Asian (EAS) AF: 0.00 AC: 0 AN: 5184

South Asian (SAS) AF: 0.00 AC: 0 AN: 4822

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 10556

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 314

European-Non Finnish (NFE) AF: 0.00 AC: 0 AN: 67988

Other (OTH) AF: 0.00 AC: 0 AN: 2086

Alfa AF: 0.00 Hom.: 1931

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.84
CADD	Benign	2.3
DANN	Benign	0.67
PhyloP100		0.13

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: rs4660920; hg19: chr1-46781462;