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12-6975083-C-T

Variant summary

Our verdict is Likely benign. Variant got -4 ACMG points: 2P and 6B. PM2BP4_StrongBP6_Moderate

The NM_006331.8(EMG1):c.413-7C>T variant causes a splice region, splice polypyrimidine tract, intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000651 in 1,613,822 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 3/3 splice prediction tools predict no significant impact on normal splicing. Variant has been reported in ClinVar as Likely benign (★).

Frequency

Genomes: 𝑓 0.00039 ( 0 hom., cov: 33)
Exomes 𝑓: 0.000031 ( 0 hom. )

Consequence

EMG1
NM_006331.8 splice_region, splice_polypyrimidine_tract, intron

Scores

2
Splicing: ADA: 0.00001460
2

Clinical Significance

Likely benign criteria provided, single submitter B:1

Conservation

PhyloP100: -0.676
Variant links:
Genes affected
EMG1 (HGNC:16912): (EMG1 N1-specific pseudouridine methyltransferase) This gene encodes an essential, conserved eukaryotic protein that methylates pseudouridine in 18S rRNA. The related protein in yeast is a component of the small subunit processome and is essential for biogenesis of the ribosomal 40S subunit. A mutation in this gene has been associated with Bowen-Conradi syndrome. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Feb 2016]

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ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -4 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.85).
BP6
Variant 12-6975083-C-T is Benign according to our data. Variant chr12-6975083-C-T is described in ClinVar as [Likely_benign]. Clinvar id is 720716.Status of the report is criteria_provided_single_submitter, 1 stars.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
EMG1NM_006331.8 linkuse as main transcriptc.413-7C>T splice_region_variant, splice_polypyrimidine_tract_variant, intron_variant ENST00000599672.6
EMG1NM_001320049.2 linkuse as main transcriptc.413-7C>T splice_region_variant, splice_polypyrimidine_tract_variant, intron_variant
EMG1NR_135131.2 linkuse as main transcriptn.424-7C>T splice_region_variant, splice_polypyrimidine_tract_variant, intron_variant, non_coding_transcript_variant

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
EMG1ENST00000599672.6 linkuse as main transcriptc.413-7C>T splice_region_variant, splice_polypyrimidine_tract_variant, intron_variant 1 NM_006331.8 P1
EMG1ENST00000539196.2 linkuse as main transcriptc.276-7C>T splice_region_variant, splice_polypyrimidine_tract_variant, intron_variant 2
EMG1ENST00000611981.1 linkuse as main transcriptn.813C>T non_coding_transcript_exon_variant 3/42

Frequencies

GnomAD3 genomes
AF:
0.000388
AC:
59
AN:
152212
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.00142
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:
0.00
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.000108
AC:
27
AN:
249256
Hom.:
0
AF XY:
0.0000592
AC XY:
8
AN XY:
135224
show subpopulations
Gnomad AFR exome
AF:
0.00174
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS 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:
0.0000315
AC:
46
AN:
1461610
Hom.:
0
Cov.:
31
AF XY:
0.0000220
AC XY:
16
AN XY:
727094
show subpopulations
Gnomad4 AFR exome
AF:
0.00125
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:
0.00000270
Gnomad4 OTH exome
AF:
0.0000166
GnomAD4 genome
AF:
0.000388
AC:
59
AN:
152212
Hom.:
0
Cov.:
33
AF XY:
0.000350
AC XY:
26
AN XY:
74358
show subpopulations
Gnomad4 AFR
AF:
0.00142
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.00
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.000427
Hom.:
0
Bravo
AF:
0.000416

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 testingInvitaeSep 21, 2017- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.85
Cadd
Benign
0.47
Dann
Benign
0.67

Splicing

Name
Calibrated prediction
Score
Prediction
dbscSNV1_ADA
Benign
0.000015
dbscSNV1_RF
Benign
0.0
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: rs374592464; hg19: chr12-7084245; API