NM_022457.7:c.1730-1013C>A

Variant names:

• chr1-175990492-G-T
• rs6676805
• NM_022457.7:c.1730-1013C>A

Variant summary

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

The NM_022457.7(COP1):​c.1730-1013C>A variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000197 in 151,988 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 0.000020 (0 hom., cov: 32)
• Consequence: COP1 NM_022457.7 intron
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 0.232
• Publications: 3 publications found

Genes affected

COP1 (HGNC:17440): (COP1 E3 ubiquitin ligase) Enables ubiquitin protein ligase activity. Involved in positive regulation of proteasomal ubiquitin-dependent protein catabolic process; proteasome-mediated ubiquitin-dependent protein catabolic process; and response to ionizing radiation. Part of Cul4A-RING E3 ubiquitin ligase complex. [provided by Alliance of Genome Resources, Apr 2022]

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=-0.94).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_022457.7. 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
	COP1	NM_022457.7	MANE Select	c.1730-1013C>A		intron	N/A	NP_071902.2
	COP1	NM_001001740.4		c.1658-1013C>A		intron	N/A	NP_001001740.1
	COP1	NM_001286644.2		c.1010-1013C>A		intron	N/A	NP_001273573.1

Ensembl Transcripts

Selected	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	COP1	ENST00000367669.8	TSL:1 MANE Select	c.1730-1013C>A		intron	N/A	ENSP00000356641.3
	COP1	ENST00000308769.12	TSL:1	c.1658-1013C>A		intron	N/A	ENSP00000310943.8
	COP1	ENST00000367667.5	TSL:1	n.*906-1013C>A		intron	N/A	ENSP00000356639.1

Frequencies

GnomAD3 genomes AF: 0.0000197 AC: 3 AN: 151988 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: 0.0000442

Gnomad OTH AF: 0.00

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

GnomAD4 genome AF: 0.0000197 AC: 3 AN: 151988 Hom.: 0 Cov.: 32 AF XY: 0.00 AC XY: 0 AN XY: 74246

African (AFR) AF: 0.00 AC: 0 AN: 41404

American (AMR) AF: 0.00 AC: 0 AN: 15268

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 3468

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

South Asian (SAS) AF: 0.00 AC: 0 AN: 4818

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 10584

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

European-Non Finnish (NFE) AF: 0.0000442 AC: 3 AN: 67948

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

Alfa AF: 0.00 Hom.: 189

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.94
CADD	Benign	1.2
DANN	Benign	0.24
PhyloP100		0.23

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: rs6676805; hg19: chr1-175959628;