Genetic Variant MCC:p.Met984Thr (chr5-113027411-A-G) – ACMG Classification: Uncertain_significance (3 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 3 ACMG points: 3P and 0B. PM2PP3

The NM_001085377.2(MCC):c.2951T>C(p.Met984Thr) variant causes a missense change. The variant allele was found at a frequency of 0.000000684 in 1,461,890 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (no stars).

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

MCC
NM_001085377.2 missense

Scores

Clinical Significance

Uncertain significance no assertion criteria provided U:1

Conservation

PhyloP100: 7.08

Publications

0 publications found

Variant links:

Genes affected

MCC (HGNC:6935): (MCC regulator of WNT signaling pathway) This gene is a candidate colorectal tumor suppressor gene that is thought to negatively regulate cell cycle progression. The orthologous gene in the mouse expresses a phosphoprotein associated with the plasma membrane and membrane organelles, and overexpression of the mouse protein inhibits entry into S phase. Multiple transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Jul 2008]

MCC links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 3 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

PP3

MetaRNN computational evidence supports a deleterious effect, 0.815

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
MCC	NM_001085377.2 link	c.2951T>C	p.Met984Thr	missense_variant	Exon 19 of 19	ENST00000408903.7	NP_001078846.2	P23508-2
MCC	NM_002387.3 link	c.2381T>C	p.Met794Thr	missense_variant	Exon 17 of 17		NP_002378.2	P23508-1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
MCC	ENST00000408903.7 link	c.2951T>C	p.Met984Thr	missense_variant	Exon 19 of 19	2	NM_001085377.2	ENSP00000386227.3	P23508-2
MCC	ENST00000302475.9 link	c.2381T>C	p.Met794Thr	missense_variant	Exon 17 of 17	1		ENSP00000305617.4	P23508-1
MCC	ENST00000515367.6 link	c.2192T>C	p.Met731Thr	missense_variant	Exon 17 of 17	5		ENSP00000421615.2	D6REY2

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

6.84e-7

AC:

AN:

1461890

Hom.:

Cov.:

AF XY:

0.00000138

AC XY:

AN XY:

727244

show subpopulations

⚠️ The allele balance in gnomAD version 4 Exomes is significantly skewed from the expected value of 0.5.

African (AFR)

AF:

0.00

AC:

AN:

33480

American (AMR)

AF:

0.00

AC:

AN:

44724

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26136

East Asian (EAS)

AF:

0.00

AC:

AN:

39700

South Asian (SAS)

AF:

0.00

AC:

AN:

86258

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53420

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

8.99e-7

AC:

AN:

1112008

Other (OTH)

AF:

0.00

AC:

AN:

60396

⚠️ The allele balance in gnomAD4 Exomes is highly skewed from 0.5 (p-value = 0.000000), which strongly suggests a high chance of mosaicism in these individuals.

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.325

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: no assertion criteria provided

LINK: link

Submissions by phenotype

not provided

Uncertain:1

Richard Lifton Laboratory, Yale University School of Medicine

Significance:Uncertain significance

Review Status:no assertion criteria provided

Collection Method:literature only

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Pathogenic

0.77

BayesDel_addAF

Pathogenic

0.25

BayesDel_noAF

Uncertain

0.13

CADD

Uncertain

(source)

DANN

Benign

0.96

DEOGEN2

Benign

0.41

T;.;.

Eigen

Uncertain

0.57

Eigen_PC

Uncertain

0.62

FATHMM_MKL

Uncertain

0.93

LIST_S2

Uncertain

0.91

D;D;D

M_CAP

Benign

0.037

MetaRNN

Pathogenic

0.81

D;D;D

MetaSVM

Benign

-0.83

MutationAssessor

Benign

0.95

L;.;.

PhyloP100

7.1

PrimateAI

Pathogenic

0.88

PROVEAN

Uncertain

-3.1

D;D;D

REVEL

Uncertain

0.39

Sift

Benign

0.13

T;T;T

Sift4G

Benign

0.17

T;T;T

Polyphen

0.84

P;.;P

Vest4

0.89

MutPred

0.63

Loss of stability (P = 0.1726);.;.;

MVP

0.68

MPC

0.39

ClinPred

0.95

GERP RS

5.8

Varity_R

0.36

gMVP

0.46

Mutation Taster

=40/60

disease causing

(source)

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

Publications

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chr5-113027411-A-G

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over