7-73834968-C-T

Variant summary

Our verdict is Likely benign. Variant got -5 ACMG points: 2P and 7B. PM2BP4_StrongBP6_ModerateBP7

The NM_152559.3(METTL27):​c.513G>A​(p.Ser171Ser) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000955 in 1,613,308 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 Likely benign (★).

Frequency

Genomes: 𝑓 0.000053 ( 0 hom., cov: 32)
Exomes 𝑓: 0.00010 ( 0 hom. )

Consequence

METTL27
NM_152559.3 synonymous

Scores

2

Clinical Significance

Likely benign criteria provided, single submitter B:1

Conservation

PhyloP100: -4.80
Variant links:
Genes affected
METTL27 (HGNC:19068): (methyltransferase like 27) This gene encodes a protein belonging to ubiE/COQ5 methyltransferase family. The gene is deleted in Williams syndrome, a multisystem developmental disorder caused by the deletion of contiguous genes at 7q11.22-q11.23. [provided by RefSeq, Jul 2008]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -5 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.57).
BP6
Variant 7-73834968-C-T is Benign according to our data. Variant chr7-73834968-C-T is described in ClinVar as [Likely_benign]. Clinvar id is 3388310.Status of the report is criteria_provided_single_submitter, 1 stars.
BP7
Synonymous conserved (PhyloP=-4.8 with no splicing effect.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
METTL27NM_152559.3 linkuse as main transcriptc.513G>A p.Ser171Ser synonymous_variant 6/6 ENST00000297873.9 NP_689772.2 Q8N6F8
METTL27XM_017011777.2 linkuse as main transcriptc.591G>A p.Ser197Ser synonymous_variant 6/6 XP_016867266.1
METTL27XM_017011778.2 linkuse as main transcriptc.591G>A p.Ser197Ser synonymous_variant 6/6 XP_016867267.1
METTL27XR_001744563.2 linkuse as main transcriptn.722G>A non_coding_transcript_exon_variant 7/7

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
METTL27ENST00000297873.9 linkuse as main transcriptc.513G>A p.Ser171Ser synonymous_variant 6/61 NM_152559.3 ENSP00000297873.4 Q8N6F8
METTL27ENST00000458679.5 linkuse as main transcriptn.*182G>A non_coding_transcript_exon_variant 5/54 ENSP00000398533.1 B4DWM3
METTL27ENST00000458679.5 linkuse as main transcriptn.*182G>A 3_prime_UTR_variant 5/54 ENSP00000398533.1 B4DWM3

Frequencies

GnomAD3 genomes
AF:
0.0000526
AC:
8
AN:
151990
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000131
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.000208
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000735
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.000108
AC:
27
AN:
250370
Hom.:
0
AF XY:
0.000140
AC XY:
19
AN XY:
135440
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.0000869
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.000294
Gnomad FIN exome
AF:
0.0000467
Gnomad NFE exome
AF:
0.0000884
Gnomad OTH exome
AF:
0.000655
GnomAD4 exome
AF:
0.0000999
AC:
146
AN:
1461318
Hom.:
0
Cov.:
89
AF XY:
0.000102
AC XY:
74
AN XY:
726944
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.000134
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.000325
Gnomad4 FIN exome
AF:
0.0000188
Gnomad4 NFE exome
AF:
0.0000836
Gnomad4 OTH exome
AF:
0.000199
GnomAD4 genome
AF:
0.0000526
AC:
8
AN:
151990
Hom.:
0
Cov.:
32
AF XY:
0.0000539
AC XY:
4
AN XY:
74236
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.000131
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.000208
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000735
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.000116
Hom.:
1
EpiCase
AF:
0.000273
EpiControl
AF:
0.000178

ClinVar

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

Submissions by phenotype

not provided Benign:1
Likely benign, criteria provided, single submitterclinical testingCeGaT Center for Human Genetics TuebingenOct 01, 2024METTL27: BP4, BP7 -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.57
CADD
Benign
0.22
DANN
Benign
0.61

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.030
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: rs781925160; hg19: chr7-73249298; API