chr4-1289977-C-T

Variant summary

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

The ENST00000303400.9(MAEA):​c.64C>T​(p.Leu22Phe) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000695 in 1,439,052 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: not found (cov: 33)
Exomes 𝑓: 6.9e-7 ( 0 hom. )

Consequence

MAEA
ENST00000303400.9 missense

Scores

4
5
10

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 2.67
Variant links:
Genes affected
MAEA (HGNC:13731): (macrophage erythroblast attacher, E3 ubiquitin ligase) This gene encodes a protein that mediates the attachment of erythroblasts to macrophages. This attachment promotes terminal maturation and enucleation of erythroblasts, presumably by suppressing apoptosis. The encoded protein is an integral membrane protein with the N-terminus on the extracellular side and the C-terminus on the cytoplasmic side of the cell. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Jul 2014]

Genome browser will be placed here

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=0.4035454).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
MAEANM_001017405.3 linkuse as main transcriptc.64C>T p.Leu22Phe missense_variant 1/9 ENST00000303400.9 NP_001017405.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
MAEAENST00000303400.9 linkuse as main transcriptc.64C>T p.Leu22Phe missense_variant 1/91 NM_001017405.3 ENSP00000302830 P1Q7L5Y9-1

Frequencies

GnomAD3 genomes
Cov.:
33
GnomAD4 exome
AF:
6.95e-7
AC:
1
AN:
1439052
Hom.:
0
Cov.:
30
AF XY:
0.00
AC XY:
0
AN XY:
714776
show subpopulations
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:
9.08e-7
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
Cov.:
33

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

not specified Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingAmbry GeneticsNov 08, 2022The c.64C>T (p.L22F) alteration is located in exon 1 (coding exon 1) of the MAEA gene. This alteration results from a C to T substitution at nucleotide position 64, causing the leucine (L) at amino acid position 22 to be replaced by a phenylalanine (F). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Pathogenic
0.94
BayesDel_addAF
Uncertain
0.017
T
BayesDel_noAF
Benign
-0.21
CADD
Pathogenic
26
DANN
Uncertain
0.99
DEOGEN2
Uncertain
0.74
D;.;T;.;.;T
Eigen
Benign
0.18
Eigen_PC
Benign
0.12
FATHMM_MKL
Benign
0.19
N
LIST_S2
Benign
0.81
T;T;T;T;T;T
M_CAP
Pathogenic
0.67
D
MetaRNN
Benign
0.40
T;T;T;T;T;T
MetaSVM
Benign
-0.58
T
MutationAssessor
Benign
1.8
L;.;.;L;.;.
MutationTaster
Benign
1.0
D;D;D;D;N
PrimateAI
Pathogenic
0.84
D
PROVEAN
Uncertain
-3.6
D;D;D;D;D;D
REVEL
Benign
0.25
Sift
Pathogenic
0.0
D;D;D;D;D;D
Sift4G
Uncertain
0.0060
D;D;D;D;D;D
Polyphen
0.79
P;P;.;P;.;B
Vest4
0.60
MutPred
0.53
Gain of loop (P = 0.1069);Gain of loop (P = 0.1069);Gain of loop (P = 0.1069);Gain of loop (P = 0.1069);Gain of loop (P = 0.1069);Gain of loop (P = 0.1069);
MVP
0.26
MPC
2.1
ClinPred
0.99
D
GERP RS
2.5
Varity_R
0.86
gMVP
0.92

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

No publications associated with this variant yet.

Other links and lift over

hg19: chr4-1283765; API