rs864309710

Variant names:

• chr1-160323447-C-A
• rs864309710
• NM_004371.4:c.690G>T

Your query was ambiguous. Multiple possible variants found:

• chr1-160323447-C-A
• chr1-160323447-C-T

Variant summary

Our verdict is Uncertain significance. The variant received 5 ACMG points: 5P and 0B. PM2 PP3 PP5_Moderate

The NM_004371.4(COPA):​c.690G>T​(p.Lys230Asn) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Pathogenic (★). Synonymous variant affecting the same amino acid position (i.e. K230K) has been classified as Likely benign.

• Frequency: Genomes: not found (cov: 32)
• Consequence: COPA NM_004371.4 missense
• Clinical Significance: Pathogenic criteria provided, single submitter P:2
• Conservation: PhyloP100: 2.95
• Publications: 15 publications found

Genes affected

COPA (HGNC:2230): (COPI coat complex subunit alpha) In eukaryotic cells, protein transport between the endoplasmic reticulum and Golgi compartments is mediated in part by non-clathrin-coated vesicular coat proteins (COPs). Seven coat proteins have been identified, and they represent subunits of a complex known as coatomer. The subunits are designated alpha-COP, beta-COP, beta-prime-COP, gamma-COP, delta-COP, epsilon-COP, and zeta-COP. The alpha-COP, encoded by COPA, shares high sequence similarity with RET1P, the alpha subunit of the coatomer complex in yeast. Also, the N-terminal 25 amino acids of alpha-COP encode the bioactive peptide, xenin, which stimulates exocrine pancreatic secretion and may act as a gastrointestinal hormone. Alternative splicing results in multiple splice forms encoding distinct isoforms. [provided by RefSeq, Jul 2008]

COPA Gene-Disease associations (from GenCC):

• autoimmune interstitial lung disease-arthritis syndrome

  Inheritance: AD Classification: STRONG, SUPPORTIVE Submitted by: Orphanet, Labcorp Genetics (formerly Invitae)

ACMG classification

Our verdict: Uncertain_significance. The variant received 5 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• PP3: MetaRNN computational evidence supports a deleterious effect, 0.814
• PP5: Variant 1-160323447-C-A is Pathogenic according to our data. Variant chr1-160323447-C-A is described in ClinVar as Pathogenic. ClinVar VariationId is 218941.Status of the report is criteria_provided_single_submitter, 1 stars.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_004371.4. 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
	COPA	NM_004371.4	MANE Select	c.690G>T	p.Lys230Asn	missense	Exon 8 of 33	NP_004362.2
	COPA	NM_001098398.2		c.690G>T	p.Lys230Asn	missense	Exon 8 of 33	NP_001091868.1

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	COPA	ENST00000241704.8	TSL:1 MANE Select	c.690G>T	p.Lys230Asn	missense	Exon 8 of 33	ENSP00000241704.7
	COPA	ENST00000368069.7	TSL:1	c.690G>T	p.Lys230Asn	missense	Exon 8 of 33	ENSP00000357048.3
	COPA	ENST00000971414.1		c.684G>T	p.Lys228Asn	missense	Exon 8 of 33	ENSP00000641473.1

Frequencies

GnomAD3 genomes Cov.: 32

GnomAD4 exome Cov.: 30

GnomAD4 genome Cov.: 32

Alfa AF: 0.0000647 Hom.: 0

ClinVar

ClinVar submissions as Germline

Significance: Pathogenic

Revision: criteria provided, single submitter

Pathogenic	VUS	Benign	Condition
2	-	-	Autoimmune interstitial lung disease-arthritis syndrome (2)

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Pathogenic	1.0
BayesDel_addAF	Uncertain	0.062	T
BayesDel_noAF	Benign	-0.15
CADD	Pathogenic	26
DANN	Uncertain	1.0
DEOGEN2	Uncertain	0.52	D
Eigen	Uncertain	0.46
Eigen_PC	Uncertain	0.38
FATHMM_MKL	Uncertain	0.96	D
LIST_S2	Pathogenic	0.99	D
M_CAP	Uncertain	0.11	D
MetaRNN	Pathogenic	0.81	D
MetaSVM	Benign	-0.48	T
MutationAssessor	Benign	1.9	L
PhyloP100		2.9
PrimateAI	Pathogenic	0.92	D
PROVEAN	Pathogenic	-4.8	D
REVEL	Uncertain	0.49
Sift	Pathogenic	0.0	D
Sift4G	Pathogenic	0.0010	D
Polyphen		1.0	D
Vest4		0.94
MutPred		0.71		Loss of methylation at K230 (P = 0.0068)
MVP		0.81
MPC		1.6
ClinPred		1.0	D
GERP RS		2.9
RBP_binding_hub_radar		0.97
RBP_regulation_power_radar		2.8
Varity_R		0.97
gMVP		0.85
Mutation Taster		=4/96	disease causing (ClinVar)

Splicing

Name	Calibrated prediction	Score	Prediction
SpliceAI score (max)		0.020		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: rs864309710; hg19: chr1-160293237;