Genetic Variant UQCRC2:c.-22T>C (chr16-21953402-T-C) – ACMG Classification: Likely_benign (-4 pts)

Variant summary

Our verdict is Likely benign. The variant received -4 ACMG points: 2P and 6B. PM2BP4_StrongBP6_Moderate

The NM_003366.4(UQCRC2):c.-22T>C variant causes a 5 prime UTR change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000292 in 1,612,280 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★).

Frequency

Genomes: 𝑓 0.000059 ( 0 hom., cov: 32)

Exomes 𝑓: 0.000026 ( 0 hom. )

Consequence

UQCRC2
NM_003366.4 5_prime_UTR

Scores

Clinical Significance

Likely benign criteria provided, single submitter B:1

Conservation

PhyloP100: -4.47

Publications

0 publications found

Variant links:

Genes affected

UQCRC2 (HGNC:12586): (ubiquinol-cytochrome c reductase core protein 2) The protein encoded by this gene is located in the mitochondrion, where it is part of the ubiquinol-cytochrome c reductase complex (also known as complex III). This complex constitutes a part of the mitochondrial respiratory chain. Defects in this gene are a cause of mitochondrial complex III deficiency nuclear type 5. [provided by RefSeq, Jul 2015]

UQCRC2 Gene-Disease associations (from GenCC):

mitochondrial complex III deficiency nuclear type 5
Inheritance: AR Classification: STRONG, MODERATE Submitted by: Labcorp Genetics (formerly Invitae), Ambry Genetics
mitochondrial disease
Inheritance: AR Classification: MODERATE Submitted by: ClinGen
mitochondrial complex III deficiency
Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet

UQCRC2 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -4 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.8).

BP6

Variant 16-21953402-T-C is Benign according to our data. Variant chr16-21953402-T-C is described in ClinVar as Likely_benign. ClinVar VariationId is 390007.Status of the report is criteria_provided_single_submitter, 1 stars.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_003366.4. 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
	UQCRC2	NM_003366.4	MANE Select	c.-22T>C		5_prime_UTR	Exon 1 of 14	NP_003357.2	P22695

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	Effect	Exon Rank	Protein	UniProt
UQCRC2	ENST00000268379.9	TSL:1 MANE Select	c.-22T>C	5_prime_UTR	Exon 1 of 14	ENSP00000268379.4	P22695
UQCRC2	ENST00000864414.1		c.-22T>C	5_prime_UTR	Exon 1 of 15	ENSP00000534473.1
UQCRC2	ENST00000864418.1		c.-22T>C	5_prime_UTR	Exon 1 of 15	ENSP00000534477.1

Frequencies

GnomAD3 genomes

AF:

0.0000593

AC:

AN:

151798

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.0000657

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.000193

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00316

Gnomad NFE

AF:

0.0000882

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.0000282

AC:

AN:

248508

AF XY:

0.0000373

show subpopulations

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:

0.0000533

Gnomad OTH exome

AF:

0.000165

GnomAD4 exome

AF:

0.0000260

AC:

AN:

1460364

Hom.:

Cov.:

AF XY:

0.0000275

AC XY:

AN XY:

726252

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33458

American (AMR)

AF:

0.00

AC:

AN:

44570

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26034

East Asian (EAS)

AF:

0.00

AC:

AN:

39660

South Asian (SAS)

AF:

0.00

AC:

AN:

85756

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53332

Middle Eastern (MID)

AF:

0.000174

AC:

AN:

5760

European-Non Finnish (NFE)

AF:

0.0000333

AC:

AN:

1111450

Other (OTH)

AF:

0.00

AC:

AN:

60344

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.487

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Variant carriers

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

GnomAD4 genome

AF:

0.0000592

AC:

AN:

151916

Hom.:

Cov.:

AF XY:

0.0000943

AC XY:

AN XY:

74238

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

41412

American (AMR)

AF:

0.0000656

AC:

AN:

15248

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3468

East Asian (EAS)

AF:

0.000194

AC:

AN:

5164

South Asian (SAS)

AF:

0.00

AC:

AN:

4820

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10480

Middle Eastern (MID)

AF:

0.00340

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.0000882

AC:

AN:

68010

Other (OTH)

AF:

0.00

AC:

AN:

2108

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.475

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Variant carriers

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

Alfa

AF:

0.000128

Hom.:

Bravo

AF:

0.0000340

ClinVar

ClinVar submissions

Significance:Likely benign

Revision:criteria provided, single submitter

View on ClinVar

Pathogenic

VUS

Benign

Condition

not specified (1)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.80

CADD

Benign

0.21

(source)

DANN

Benign

0.41

PhyloP100

-4.5

PromoterAI

-0.14

Neutral

(source)

RBP_binding_hub_radar

0.92

RBP_regulation_power_radar

2.0

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

You must be logged in to view publications. This limit was set because tens of millions (!) of queries from AI bots are generated daily.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

Age Distribution

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over