Genetic Variant NM_020890.3:c.2032A>G (chr3-108557396-T-C) – ACMG Classification: Uncertain_significance (1 pts)

Variant summary

Our verdict is Uncertain significance. Variant got 1 ACMG points: 2P and 1B. PM2BP4

The NM_020890.3(CIP2A):c.2032A>G(p.Met678Val) variant causes a missense change. The variant allele was found at a frequency of 0.00000188 in 1,597,838 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 0.0000066 ( 0 hom., cov: 32)

Exomes 𝑓: 0.0000014 ( 0 hom. )

Consequence

CIP2A
NM_020890.3 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 4.20

Variant links:

Genes affected

CIP2A (HGNC:29302): (cellular inhibitor of PP2A) Enables protein homodimerization activity. Predicted to act upstream of or within positive regulation of neural precursor cell proliferation and spermatogenesis. Located in cytosol and plasma membrane. [provided by Alliance of Genome Resources, Apr 2022]

CIP2A links:

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ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 1 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.32070768).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
CIP2A	NM_020890.3 link	c.2032A>G	p.Met678Val	missense_variant	Exon 17 of 21	ENST00000295746.13	NP_065941.2	Q8TCG1-1
CIP2A	XM_006713716.4 link	c.2029A>G	p.Met677Val	missense_variant	Exon 17 of 21		XP_006713779.1
CIP2A	XM_011513057.3 link	c.1090A>G	p.Met364Val	missense_variant	Exon 10 of 14		XP_011511359.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
CIP2A	ENST00000295746.13 link	c.2032A>G	p.Met678Val	missense_variant	Exon 17 of 21	1	NM_020890.3	ENSP00000295746.7	Q8TCG1-1
CIP2A	ENST00000491772.5 link	c.1555A>G	p.Met519Val	missense_variant	Exon 17 of 21	1		ENSP00000419487.1	Q8TCG1-2
CIP2A	ENST00000481530.5 link	n.*1602A>G		non_coding_transcript_exon_variant	Exon 17 of 21	1		ENSP00000417297.1	F8WAX6
CIP2A	ENST00000481530.5 link	n.*1602A>G		3_prime_UTR_variant	Exon 17 of 21	1		ENSP00000417297.1	F8WAX6

Frequencies

GnomAD3 genomes

AF:

0.00000659

AC:

AN:

151798

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000242

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

GnomAD4 exome

AF:

0.00000138

AC:

AN:

1446040

Hom.:

Cov.:

AF XY:

0.00000139

AC XY:

AN XY:

718788

show subpopulations

Gnomad4 AFR exome

AF:

0.0000307

Gnomad4 AMR exome

AF:

0.00

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.00

Gnomad4 SAS exome

AF:

0.00

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

9.06e-7

Gnomad4 OTH exome

AF:

0.00

GnomAD4 genome

AF:

0.00000659

AC:

AN:

151798

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

74148

show subpopulations

Gnomad4 AFR

AF:

0.0000242

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

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.17

BayesDel_addAF

Uncertain

0.033

BayesDel_noAF

Benign

-0.19

CADD

Benign

DANN

Uncertain

0.98

DEOGEN2

Benign

0.0055

T;.;T

Eigen

Uncertain

0.29

Eigen_PC

Uncertain

0.41

FATHMM_MKL

Uncertain

0.94

LIST_S2

Benign

0.81

T;T;T

M_CAP

Benign

0.011

MetaRNN

Benign

0.32

T;T;T

MetaSVM

Benign

-1.0

MutationAssessor

Benign

1.6

L;.;.

PrimateAI

Uncertain

0.60

PROVEAN

Benign

-1.3

N;N;.

REVEL

Benign

0.13

Sift

Uncertain

0.012

D;D;.

Sift4G

Uncertain

0.057

T;T;T

Polyphen

0.84

P;.;.

Vest4

0.59

MutPred

0.29

Gain of glycosylation at S677 (P = 0.0181);.;.;

MVP

0.39

MPC

0.33

ClinPred

0.76

GERP RS

5.9

Varity_R

0.25

gMVP

0.25

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