rs753449220

Variant summary

Our verdict is Uncertain significance. The variant received 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_001008537.3(NEXMIF):​c.563A>G​(p.Asn188Ser) variant causes a missense change. The variant allele was found at a frequency of 0.00000182 in 1,097,641 control chromosomes in the GnomAD database, with no homozygous occurrence. There are 1 hemizygotes in GnomAD. In-silico tool predicts a benign outcome for this variant. 12/20 in silico tools predict a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. N188T) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 23)
Exomes 𝑓: 0.0000018 ( 0 hom. 1 hem. )

Consequence

NEXMIF
NM_001008537.3 missense

Scores

2
14

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 3.83

Publications

0 publications found
Variant links:
Genes affected
NEXMIF (HGNC:29433): (neurite extension and migration factor) An inversion on the X chromosome which disrupts this gene and a G-protein coupled purinergic receptor gene located in the pseudoautosomal region of the X chromosome has been linked to X linked cognitive disability.[provided by RefSeq, Mar 2009]
NEXMIF Gene-Disease associations (from GenCC):
  • X-linked complex neurodevelopmental disorder
    Inheritance: XL Classification: DEFINITIVE Submitted by: ClinGen
  • X-linked intellectual disability, Cantagrel type
    Inheritance: XL Classification: STRONG, SUPPORTIVE Submitted by: Orphanet, Labcorp Genetics (formerly Invitae)
  • myoclonic-astatic epilepsy
    Inheritance: Unknown Classification: SUPPORTIVE Submitted by: Orphanet

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 0 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.09621605).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
NEXMIFNM_001008537.3 linkc.563A>G p.Asn188Ser missense_variant Exon 3 of 4 ENST00000055682.12 NP_001008537.1 Q5QGS0

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
NEXMIFENST00000055682.12 linkc.563A>G p.Asn188Ser missense_variant Exon 3 of 4 1 NM_001008537.3 ENSP00000055682.5 Q5QGS0
NEXMIFENST00000616200.2 linkc.563A>G p.Asn188Ser missense_variant Exon 3 of 5 1 ENSP00000480284.1 Q5QGS0
NEXMIFENST00000642681.2 linkc.563A>G p.Asn188Ser missense_variant Exon 3 of 3 ENSP00000495800.1 A0A2R8YEQ5

Frequencies

GnomAD3 genomes
Cov.:
23
GnomAD2 exomes
AF:
0.00000547
AC:
1
AN:
182897
AF XY:
0.00
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000182
AC:
2
AN:
1097641
Hom.:
0
Cov.:
31
AF XY:
0.00000275
AC XY:
1
AN XY:
363005
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
26393
American (AMR)
AF:
0.00
AC:
0
AN:
35200
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
19384
East Asian (EAS)
AF:
0.00
AC:
0
AN:
30199
South Asian (SAS)
AF:
0.0000369
AC:
2
AN:
54130
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
40524
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
4134
European-Non Finnish (NFE)
AF:
0.00
AC:
0
AN:
841601
Other (OTH)
AF:
0.00
AC:
0
AN:
46076
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.525
Heterozygous variant carriers
0
0
1
1
2
2
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Hom
Variant carriers
0
2
4
6
8
10
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
GnomAD4 genome
Cov.:
23
ExAC
AF:
0.00000824
AC:
1

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.053
BayesDel_addAF
Benign
-0.57
T
BayesDel_noAF
Benign
-0.91
CADD
Benign
11
DANN
Benign
0.69
DEOGEN2
Benign
0.017
T;T;.
FATHMM_MKL
Uncertain
0.76
D
LIST_S2
Benign
0.77
.;T;T
M_CAP
Benign
0.022
T
MetaRNN
Benign
0.096
T;T;T
MetaSVM
Benign
-1.0
T
PhyloP100
3.8
PrimateAI
Uncertain
0.51
T
PROVEAN
Benign
0.39
N;.;.
REVEL
Benign
0.067
Sift
Benign
0.57
T;.;.
Sift4G
Benign
0.89
T;T;.
Polyphen
0.035
B;B;.
Vest4
0.087
MutPred
0.20
Gain of loop (P = 0.1069);Gain of loop (P = 0.1069);Gain of loop (P = 0.1069);
MVP
0.17
MPC
0.18
ClinPred
0.21
T
GERP RS
6.1
Varity_R
0.072
gMVP
0.083
Mutation Taster
=93/7
polymorphism

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

Other links and lift over

dbSNP: rs753449220; hg19: chrX-73963829; API