NM_003365.3:c.994G>A

Variant names:

• chr3-48600813-C-T
• rs756541768
• NM_003365.3:c.994G>A

Variant summary

Our verdict is Likely benign. The variant received -6 ACMG points: 0P and 6B. BP4_Moderate BS2

The NM_003365.3(UQCRC1):​c.994G>A​(p.Ala332Thr) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000483 in 1,613,954 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 15/22 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

• Frequency:
  • Genomes: 𝑓 0.0000066 (0 hom., cov: 32)
  • Exomes 𝑓: 0.000053 (0 hom.)
• Consequence: UQCRC1 NM_003365.3 missense
• Clinical Significance: Uncertain significance criteria provided, single submitter U:1
• Conservation: PhyloP100: 1.50
• Publications: 0 publications found

Genes affected

UQCRC1 (HGNC:12585): (ubiquinol-cytochrome c reductase core protein 1) Enables ubiquitin protein ligase binding activity. Predicted to be involved in oxidative phosphorylation. Predicted to act upstream of or within mitochondrial electron transport, ubiquinol to cytochrome c. Located in mitochondrion. Implicated in Alzheimer's disease. Biomarker of Alzheimer's disease. [provided by Alliance of Genome Resources, Apr 2022]

UQCRC1 Gene-Disease associations (from GenCC):

• parkinsonism with polyneuropathy

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

ACMG classification

Our verdict: Likely_benign. The variant received -6 ACMG points.

• BP4: Computational evidence support a benign effect (MetaRNN=0.15549767).
• BS2: High AC in GnomAdExome4 at 77 AD,Unknown gene.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_003365.3. 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
	UQCRC1	NM_003365.3	MANE Select	c.994G>A	p.Ala332Thr	missense	Exon 9 of 13	NP_003356.2

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	UQCRC1	ENST00000203407.6	TSL:1 MANE Select	c.994G>A	p.Ala332Thr	missense	Exon 9 of 13	ENSP00000203407.5	P31930
	UQCRC1	ENST00000899333.1		c.1039G>A	p.Ala347Thr	missense	Exon 9 of 13	ENSP00000569392.1
	UQCRC1	ENST00000912156.1		c.985G>A	p.Ala329Thr	missense	Exon 9 of 13	ENSP00000582215.1

Frequencies

GnomAD3 genomes AF: 0.00000657 AC: 1 AN: 152268 Hom.: 0 Cov.: 32

Gnomad AFR AF: 0.00

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: 0.0000147

Gnomad OTH AF: 0.00

GnomAD2 exomes AF: 0.0000159 AC: 4 AN: 250802 AF XY: 0.0000295

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: 0.0000353

Gnomad OTH exome AF: 0.00

GnomAD4 exome AF: 0.0000527 AC: 77 AN: 1461686 Hom.: 0 Cov.: 32 AF XY: 0.0000454 AC XY: 33 AN XY: 727148

African (AFR) AF: 0.00 AC: 0 AN: 33480

American (AMR) AF: 0.00 AC: 0 AN: 44722

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 26136

East Asian (EAS) AF: 0.00 AC: 0 AN: 39700

South Asian (SAS) AF: 0.00 AC: 0 AN: 86258

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 53224

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 5768

European-Non Finnish (NFE) AF: 0.0000621 AC: 69 AN: 1112006

Other (OTH) AF: 0.000132 AC: 8 AN: 60392

GnomAD4 genome AF: 0.00000657 AC: 1 AN: 152268 Hom.: 0 Cov.: 32 AF XY: 0.00 AC XY: 0 AN XY: 74388

African (AFR) AF: 0.00 AC: 0 AN: 41472

American (AMR) AF: 0.00 AC: 0 AN: 15294

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 3472

East Asian (EAS) AF: 0.00 AC: 0 AN: 5204

South Asian (SAS) AF: 0.00 AC: 0 AN: 4838

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 10628

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 316

European-Non Finnish (NFE) AF: 0.0000147 AC: 1 AN: 68042

Other (OTH) AF: 0.00 AC: 0 AN: 2092

Alfa AF: 0.00 Hom.: 0

Bravo AF: 0.00000378

ExAC AF: 0.00000824 AC: 1

EpiCase AF: 0.000109

EpiControl AF: 0.00

ClinVar

ClinVar submissions

Significance: Uncertain significance

Revision: criteria provided, single submitter

Pathogenic	VUS	Benign	Condition
-	1	-	not specified (1)

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Benign	0.17
BayesDel_addAF	Benign	-0.33	T
BayesDel_noAF	Benign	-0.60
CADD	Benign	14
DANN	Benign	0.92
DEOGEN2	Benign	0.092	T
Eigen	Benign	-0.51
Eigen_PC	Benign	-0.54
FATHMM_MKL	Uncertain	0.87	D
LIST_S2	Benign	0.72	T
M_CAP	Benign	0.015	T
MetaRNN	Benign	0.16	T
MetaSVM	Benign	-1.0	T
MutationAssessor	Uncertain	2.3	M
PhyloP100		1.5
PrimateAI	Benign	0.34	T
PROVEAN	Benign	-1.1	N
REVEL	Benign	0.11
Sift	Benign	0.20	T
Sift4G	Benign	0.20	T
Polyphen		0.11	B
Vest4		0.27
MutPred		0.42		Gain of glycosylation at A332 (P = 0.0483)
MVP		0.12
MPC		0.29
ClinPred		0.12	T
GERP RS		1.1
RBP_binding_hub_radar		0.0
RBP_regulation_power_radar		1.2
Varity_R		0.28
gMVP		0.70
Mutation Taster		=69/31	polymorphism

Splicing

Name	Calibrated prediction	Score	Prediction
SpliceAI score (max)		0.13		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: rs756541768; hg19: chr3-48638246;