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chr18-35097575-G-A

Variant summary

Our verdict is Likely pathogenic. Variant got 6 ACMG points: 6P and 0B. PM1PM2PP2PP5

The NM_014268.4(MAPRE2):​c.380G>A​(p.Arg127Gln) variant causes a missense change involving the alteration of a conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. Variant has been reported in ClinVar as Likely pathogenic (no stars).

Frequency

Genomes: not found (cov: 32)
Exomes 𝑓: 0.0 ( 0 hom. )
Failed GnomAD Quality Control

Consequence

MAPRE2
NM_014268.4 missense

Scores

7
4
4

Clinical Significance

Likely pathogenic no assertion criteria provided P:1

Conservation

PhyloP100: 8.19
Variant links:
Genes affected
MAPRE2 (HGNC:6891): (microtubule associated protein RP/EB family member 2) The protein encoded by this gene shares significant homology to the adenomatous polyposis coli (APC) protein-binding EB1 gene family. This protein is a microtubule-associated protein that is necessary for spindle symmetry during mitosis. It is thought to play a role in the tumorigenesis of colorectal cancers and the proliferative control of normal cells. Alternative splicing of this gene results in multiple transcript variants. [provided by RefSeq, Jan 2012]

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ACMG classification

Classification made for transcript

Verdict is Likely_pathogenic. Variant got 6 ACMG points.

PM1
In a domain Calponin-homology (CH) (size 102) in uniprot entity MARE2_HUMAN there are 7 pathogenic changes around while only 0 benign (100%) in NM_014268.4
PM2
Very rare variant in population databases, with high coverage;
PP2
Missense variant where missense usually causes diseases, MAPRE2
PP5
Variant 18-35097575-G-A is Pathogenic according to our data. Variant chr18-35097575-G-A is described in ClinVar as [Likely_pathogenic]. Clinvar id is 633596.Status of the report is no_assertion_criteria_provided, 0 stars.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
MAPRE2NM_014268.4 linkuse as main transcriptc.380G>A p.Arg127Gln missense_variant 3/7 ENST00000300249.10

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
MAPRE2ENST00000300249.10 linkuse as main transcriptc.380G>A p.Arg127Gln missense_variant 3/71 NM_014268.4 A1Q15555-1

Frequencies

GnomAD3 genomes
Cov.:
32
GnomAD4 exome
Data not reliable, filtered out with message: AC0
AF:
0.00
AC:
0
AN:
1460354
Hom.:
0
Cov.:
30
AF XY:
0.00
AC XY:
0
AN XY:
726470
Gnomad4 AFR exome
AF:
0.00
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:
0.00
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
Cov.:
32
Alfa
AF:
0.000111
Hom.:
0

ClinVar

Significance: Likely pathogenic
Submissions summary: Pathogenic:1
Revision: no assertion criteria provided
LINK: link

Submissions by phenotype

Skin creases, congenital symmetric circumferential, 2 Pathogenic:1
Likely pathogenic, no assertion criteria providedclinical testingHadassah Hebrew University Medical Center-- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Pathogenic
0.79
BayesDel_addAF
Uncertain
0.052
T
BayesDel_noAF
Benign
-0.16
CADD
Pathogenic
32
DANN
Pathogenic
1.0
DEOGEN2
Uncertain
0.50
T;.;T;.;T;D;.;.;.
Eigen
Pathogenic
0.71
Eigen_PC
Pathogenic
0.76
FATHMM_MKL
Pathogenic
0.98
D
LIST_S2
Pathogenic
0.97
D;D;D;D;D;D;D;D;.
M_CAP
Benign
0.025
D
MetaRNN
Uncertain
0.60
D;D;D;D;D;D;D;D;D
MetaSVM
Benign
-0.80
T
MutationTaster
Benign
1.0
D;D;D;D;D;D
PrimateAI
Pathogenic
0.89
D
Sift4G
Uncertain
0.021
D;D;D;D;T;D;D;D;D
Polyphen
0.99, 0.71
.;.;.;.;.;D;.;P;.
Vest4
0.57, 0.72, 0.73, 0.57, 0.83, 0.68
MutPred
0.57
.;.;.;.;.;Loss of MoRF binding (P = 0.0482);.;Loss of MoRF binding (P = 0.0482);.;
MVP
0.58
MPC
2.9
ClinPred
0.94
D
GERP RS
5.9
Varity_R
0.40
gMVP
0.77

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

LitVar

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

Other links and lift over

dbSNP: rs1603400699; hg19: chr18-32677539; API