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GeneBe

rs150472251

Variant summary

Our verdict is Benign. Variant got -15 ACMG points: 0P and 15B. BP4_StrongBP6_ModerateBP7BS1BS2

The NM_017755.6(NSUN2):c.2280G>C(p.Pro760=) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000208 in 1,613,710 control chromosomes in the GnomAD database, including 6 homozygotes. 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. P760P) has been classified as Likely benign.

Frequency

Genomes: 𝑓 0.00011 ( 0 hom., cov: 33)
Exomes 𝑓: 0.00022 ( 6 hom. )

Consequence

NSUN2
NM_017755.6 synonymous

Scores

2

Clinical Significance

Likely benign criteria provided, single submitter B:1

Conservation

PhyloP100: -4.86
Variant links:
Genes affected
NSUN2 (HGNC:25994): (NOP2/Sun RNA methyltransferase 2) This gene encodes a methyltransferase that catalyzes the methylation of cytosine to 5-methylcytosine (m5C) at position 34 of intron-containing tRNA(Leu)(CAA) precursors. This modification is necessary to stabilize the anticodon-codon pairing and correctly translate the mRNA. Alternatively spliced transcript variants encoding different isoforms have been noted for this gene.[provided by RefSeq, Mar 2011]
LINC01018 (HGNC:27394): (long intergenic non-protein coding RNA 1018)

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -15 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.87).
BP6
Variant 5-6599950-C-G is Benign according to our data. Variant chr5-6599950-C-G is described in ClinVar as [Likely_benign]. Clinvar id is 436071.Status of the report is criteria_provided_single_submitter, 1 stars.
BP7
Synonymous conserved (PhyloP=-4.86 with no splicing effect.
BS1
Variant frequency is greater than expected in population sas. gnomad4 allele frequency = 0.000105 (16/152368) while in subpopulation SAS AF= 0.00331 (16/4828). AF 95% confidence interval is 0.00208. There are 0 homozygotes in gnomad4. There are 15 alleles in male gnomad4 subpopulation. This position pass quality control queck.
BS2
High Homozygotes in GnomAdExome at 4 AR gene

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
NSUN2NM_017755.6 linkuse as main transcriptc.2280G>C p.Pro760= synonymous_variant 19/19 ENST00000264670.11
NSUN2NM_001193455.2 linkuse as main transcriptc.2175G>C p.Pro725= synonymous_variant 18/18
NSUN2NR_037947.2 linkuse as main transcriptn.2260G>C non_coding_transcript_exon_variant 18/18

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
NSUN2ENST00000264670.11 linkuse as main transcriptc.2280G>C p.Pro760= synonymous_variant 19/191 NM_017755.6 P2Q08J23-1
LINC01018ENST00000661215.1 linkuse as main transcriptn.757-171C>G intron_variant, non_coding_transcript_variant

Frequencies

GnomAD3 genomes
AF:
0.000105
AC:
16
AN:
152250
Hom.:
0
Cov.:
33
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:
0.00331
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.00
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.000474
AC:
119
AN:
251246
Hom.:
4
AF XY:
0.000663
AC XY:
90
AN XY:
135782
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 SAS exome
AF:
0.00389
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.000218
AC:
319
AN:
1461342
Hom.:
6
Cov.:
31
AF XY:
0.000314
AC XY:
228
AN XY:
726954
show subpopulations
Gnomad4 AFR exome
AF:
0.0000598
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00358
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00
Gnomad4 OTH exome
AF:
0.000116
GnomAD4 genome
AF:
0.000105
AC:
16
AN:
152368
Hom.:
0
Cov.:
33
AF XY:
0.000201
AC XY:
15
AN XY:
74518
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00331
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.00
Gnomad4 OTH
AF:
0.00
Bravo
AF:
0.0000189
Asia WGS
AF:
0.00144
AC:
5
AN:
3478

ClinVar

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

Submissions by phenotype

not specified Benign:1
Likely benign, criteria provided, single submitterclinical testingGenetic Services Laboratory, University of ChicagoJan 04, 2016- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.87
Cadd
Benign
0.026
Dann
Benign
0.31

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

LitVar

Below is the list of publications found by LitVar. It may be empty.

Other links and lift over

dbSNP: rs150472251; hg19: chr5-6600063; API