rs61749716

Variant summary

Our verdict is Benign. The variant received -9 ACMG points: 0P and 9B. BP4_ModerateBP6_ModerateBP7BS2

The NM_001110792.2(MECP2):​c.627G>C​(p.Thr209Thr) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000314 in 1,209,955 control chromosomes in the GnomAD database, with no homozygous occurrence. There are 9 hemizygotes in GnomAD. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★). Synonymous variant affecting the same amino acid position (i.e. T209T) has been classified as Likely benign.

Frequency

Genomes: 𝑓 0.000027 ( 0 hom., 1 hem., cov: 23)
Exomes 𝑓: 0.000032 ( 0 hom. 8 hem. )

Consequence

MECP2
NM_001110792.2 synonymous

Scores

1
1
11

Clinical Significance

Likely benign criteria provided, single submitter B:1

Conservation

PhyloP100: 0.648

Publications

1 publications found
Variant links:
Genes affected
MECP2 (HGNC:6990): (methyl-CpG binding protein 2) DNA methylation is the major modification of eukaryotic genomes and plays an essential role in mammalian development. Human proteins MECP2, MBD1, MBD2, MBD3, and MBD4 comprise a family of nuclear proteins related by the presence in each of a methyl-CpG binding domain (MBD). Each of these proteins, with the exception of MBD3, is capable of binding specifically to methylated DNA. MECP2, MBD1 and MBD2 can also repress transcription from methylated gene promoters. In contrast to other MBD family members, MECP2 is X-linked and subject to X inactivation. MECP2 is dispensible in stem cells, but is essential for embryonic development. MECP2 gene mutations are the cause of most cases of Rett syndrome, a progressive neurologic developmental disorder and one of the most common causes of cognitive disability in females. Alternative splicing results in multiple transcript variants encoding different isoforms. [provided by RefSeq, Oct 2015]
MECP2 Gene-Disease associations (from GenCC):
  • chromosome Xq28 duplication syndrome
    Inheritance: XL Classification: DEFINITIVE Submitted by: G2P
  • Rett syndrome
    Inheritance: XL Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: Orphanet, Labcorp Genetics (formerly Invitae), Ambry Genetics, ClinGen, G2P
  • severe neonatal-onset encephalopathy with microcephaly
    Inheritance: XL Classification: DEFINITIVE, SUPPORTIVE Submitted by: G2P, Orphanet
  • syndromic X-linked intellectual disability Lubs type
    Inheritance: XL Classification: DEFINITIVE Submitted by: G2P
  • atypical Rett syndrome
    Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
  • non-syndromic X-linked intellectual disability
    Inheritance: XL Classification: SUPPORTIVE Submitted by: Orphanet
  • X-linked intellectual disability-psychosis-macroorchidism syndrome
    Inheritance: XL Classification: SUPPORTIVE Submitted by: Orphanet
  • systemic lupus erythematosus
    Inheritance: Unknown Classification: SUPPORTIVE Submitted by: Orphanet

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -9 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.23950589).
BP6
Variant X-154031237-C-G is Benign according to our data. Variant chrX-154031237-C-G is described in ClinVar as Likely_benign. ClinVar VariationId is 468731.Status of the report is criteria_provided_single_submitter, 1 stars.
BP7
Synonymous conserved (PhyloP=0.648 with no splicing effect.
BS2
High AC in GnomAdExome4 at 35 XL,Unknown,AD gene.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
MECP2NM_001110792.2 linkc.627G>C p.Thr209Thr synonymous_variant Exon 3 of 3 ENST00000453960.7 NP_001104262.1 P51608-2A0A140VKC4Q59FJ6
MECP2NM_004992.4 linkc.591G>C p.Thr197Thr synonymous_variant Exon 4 of 4 ENST00000303391.11 NP_004983.1 P51608-1D3YJ43Q59FJ6

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
MECP2ENST00000453960.7 linkc.627G>C p.Thr209Thr synonymous_variant Exon 3 of 3 1 NM_001110792.2 ENSP00000395535.2 P51608-2
MECP2ENST00000303391.11 linkc.591G>C p.Thr197Thr synonymous_variant Exon 4 of 4 1 NM_004992.4 ENSP00000301948.6 P51608-1

Frequencies

GnomAD3 genomes
AF:
0.0000269
AC:
3
AN:
111697
Hom.:
0
Cov.:
23
show subpopulations
Gnomad AFR
AF:
0.00
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:
0.0000566
Gnomad OTH
AF:
0.00
GnomAD2 exomes
AF:
0.0000109
AC:
2
AN:
183388
AF XY:
0.0000295
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:
0.0000244
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000319
AC:
35
AN:
1098258
Hom.:
0
Cov.:
35
AF XY:
0.0000220
AC XY:
8
AN XY:
363612
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
26403
American (AMR)
AF:
0.00
AC:
0
AN:
35206
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
19386
East Asian (EAS)
AF:
0.00
AC:
0
AN:
30206
South Asian (SAS)
AF:
0.0000185
AC:
1
AN:
54146
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
40532
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
4137
European-Non Finnish (NFE)
AF:
0.0000368
AC:
31
AN:
842145
Other (OTH)
AF:
0.0000651
AC:
3
AN:
46097
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.482
Heterozygous variant carriers
0
2
4
5
7
9
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
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
AF:
0.0000269
AC:
3
AN:
111697
Hom.:
0
Cov.:
23
AF XY:
0.0000295
AC XY:
1
AN XY:
33853
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
30645
American (AMR)
AF:
0.00
AC:
0
AN:
10666
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
2640
East Asian (EAS)
AF:
0.00
AC:
0
AN:
3563
South Asian (SAS)
AF:
0.00
AC:
0
AN:
2644
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
6063
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
240
European-Non Finnish (NFE)
AF:
0.0000566
AC:
3
AN:
53044
Other (OTH)
AF:
0.00
AC:
0
AN:
1505
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.625
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

Genome Het
Genome 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
Alfa
AF:
0.00
Hom.:
1
Bravo
AF:
0.0000227
ExAC
AF:
0.0000165
AC:
2

ClinVar

Significance: Likely benign
Submissions summary: Benign:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

Severe neonatal-onset encephalopathy with microcephaly Benign:1
Mar 09, 2024
Labcorp Genetics (formerly Invitae), Labcorp
Significance:Likely benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.13
BayesDel_addAF
Benign
-0.35
T
BayesDel_noAF
Benign
-0.69
CADD
Benign
4.1
DANN
Benign
0.92
DEOGEN2
Benign
0.080
T;T
FATHMM_MKL
Benign
0.37
N
LIST_S2
Benign
0.49
T;T
M_CAP
Pathogenic
0.33
D
MetaRNN
Benign
0.24
T;T
MetaSVM
Uncertain
0.28
D
PhyloP100
0.65
REVEL
Benign
0.28
Sift4G
Benign
0.11
T;T
Vest4
0.27
MutPred
0.39
Loss of MoRF binding (P = 0.0082);.;
MVP
0.90
ClinPred
0.051
T
GERP RS
4.6
Mutation Taster
=78/22
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: rs61749716; hg19: chrX-153296688; API