Genetic Variant NM_020770.3:c.180C>G (chr1-151518699-C-G) – ACMG Classification: Uncertain_significance (2 pts)

Variant summary

Our verdict is Uncertain significance. Variant got 2 ACMG points: 2P and 0B. PM2

The NM_020770.3(CGN):c.180C>G(p.Ile60Met) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000657 in 152,130 control chromosomes in the GnomAD database, with no homozygous occurrence. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Synonymous variant affecting the same amino acid position (i.e. I60I) has been classified as Benign.

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 32)

Consequence

CGN
NM_020770.3 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: -2.90

Variant links:

Genes affected

CGN (HGNC:17429): (cingulin) Enables cadherin binding activity. Predicted to act upstream of or within bicellular tight junction assembly; epithelial cell morphogenesis; and microtubule cytoskeleton organization. Located in bicellular tight junction and plasma membrane. [provided by Alliance of Genome Resources, Apr 2022]

CGN links:

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ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
CGN	NM_020770.3 link	c.180C>G	p.Ile60Met	missense_variant	Exon 2 of 21	ENST00000271636.12	NP_065821.1	Q9P2M7-1
CGN	XM_005245365.6 link	c.180C>G	p.Ile60Met	missense_variant	Exon 2 of 21		XP_005245422.1	Q9P2M7-1
CGN	XR_921902.3 link	n.323C>G		non_coding_transcript_exon_variant	Exon 2 of 13

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
CGN	ENST00000271636.12 link	c.180C>G	p.Ile60Met	missense_variant	Exon 2 of 21	1	NM_020770.3	ENSP00000271636.7	Q9P2M7-1
CGN	ENST00000502442.1 link	c.180C>G	p.Ile60Met	missense_variant	Exon 2 of 2	1		ENSP00000422299.1	A2A3M4
CGN	ENST00000505188.5 link	c.180C>G	p.Ile60Met	missense_variant	Exon 2 of 2	1		ENSP00000425532.1	A2A3M4
CGN	ENST00000427934.2 link	c.180C>G	p.Ile60Met	missense_variant	Exon 3 of 3	5		ENSP00000410836.1	A6PVU7

Frequencies

GnomAD3 genomes

AF:

0.00000657

AC:

AN:

152130

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000241

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

GnomAD3 exomes

AF:

0.00000398

AC:

AN:

251370

Hom.:

AF XY:

0.00000736

AC XY:

AN XY:

135860

show subpopulations

Gnomad AFR exome

AF:

0.0000615

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad SAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

Cov.:

GnomAD4 genome

AF:

0.00000657

AC:

AN:

152130

Hom.:

Cov.:

AF XY:

0.0000135

AC XY:

AN XY:

74306

show subpopulations

Gnomad4 AFR

AF:

0.0000241

Gnomad4 AMR

AF:

0.00

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.00

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.00

Gnomad4 OTH

AF:

0.00

Bravo

AF:

0.00000378

ExAC

AF:

0.00000824

AC:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_addAF

Pathogenic

0.21

BayesDel_noAF

Pathogenic

0.25

CADD

Benign

2.4

DANN

Uncertain

0.98

DEOGEN2

Benign

0.20

.;.;T;.

Eigen

Benign

-0.89

Eigen_PC

Benign

-1.2

FATHMM_MKL

Benign

0.053

LIST_S2

Uncertain

0.93

.;D;D;.

M_CAP

Uncertain

0.096

MetaRNN

Uncertain

0.60

D;D;D;D

MetaSVM

Uncertain

0.38

PrimateAI

Pathogenic

0.84

PROVEAN

Uncertain

-3.0

D;D;N;N

REVEL

Uncertain

0.53

Sift

Pathogenic

0.0

D;D;D;D

Sift4G

Pathogenic

0.0

D;D;D;D

Vest4

0.61

MVP

0.59

MPC

0.65

ClinPred

0.81

GERP RS

-10

gMVP

0.48

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.010

Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

LitVar

Below is the list of publications found by LitVar. It may be empty.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Computational scores

Splicing

Publications

LitVar

Other links and lift over