16-1868103-C-T

Variant summary

Our verdict is Likely benign. Variant got -3 ACMG points: 2P and 5B. PM2BP4_StrongBP6

The NM_001163560.3(MEIOB):​c.69+4G>A variant causes a splice donor region, intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000231 in 1,472,874 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 (no stars).

Frequency

Genomes: 𝑓 0.000033 ( 0 hom., cov: 33)
Exomes 𝑓: 0.000022 ( 0 hom. )

Consequence

MEIOB
NM_001163560.3 splice_donor_region, intron

Scores

2
Splicing: ADA: 0.0001522
2

Clinical Significance

Likely benign no assertion criteria provided B:1

Conservation

PhyloP100: -1.04
Variant links:
Genes affected
MEIOB (HGNC:28569): (meiosis specific with OB-fold) Predicted to enable chromatin binding activity; single-stranded DNA 3'-5' exodeoxyribonuclease activity; and single-stranded DNA binding activity. Predicted to be involved in double-strand break repair via homologous recombination; fertilization; and meiotic nuclear division. Predicted to be located in cytoplasm. Implicated in spermatogenic failure 22. [provided by Alliance of Genome Resources, Apr 2022]

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ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -3 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.6).
BP6
Variant 16-1868103-C-T is Benign according to our data. Variant chr16-1868103-C-T is described in ClinVar as [Likely_benign]. Clinvar id is 3058504.Status of the report is no_assertion_criteria_provided, 0 stars.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
MEIOBNM_001163560.3 linkuse as main transcriptc.69+4G>A splice_donor_region_variant, intron_variant ENST00000325962.9 NP_001157032.1
MEIOBNM_152764.3 linkuse as main transcriptc.69+4G>A splice_donor_region_variant, intron_variant NP_689977.2

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
MEIOBENST00000325962.9 linkuse as main transcriptc.69+4G>A splice_donor_region_variant, intron_variant 5 NM_001163560.3 ENSP00000314484 P1Q8N635-2
ENST00000470044.5 linkuse as main transcriptc.-494-5987G>A intron_variant 2 ENSP00000457416 P1

Frequencies

GnomAD3 genomes
AF:
0.0000329
AC:
5
AN:
152102
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.0000483
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:
0.0000441
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000129
AC:
2
AN:
155328
Hom.:
0
AF XY:
0.0000243
AC XY:
2
AN XY:
82318
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.0000412
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:
0.0000166
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000220
AC:
29
AN:
1320772
Hom.:
0
Cov.:
20
AF XY:
0.0000168
AC XY:
11
AN XY:
654606
show subpopulations
Gnomad4 AFR exome
AF:
0.0000332
Gnomad4 AMR exome
AF:
0.0000284
Gnomad4 ASJ exome
AF:
0.0000410
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000247
Gnomad4 OTH exome
AF:
0.0000181
GnomAD4 genome
AF:
0.0000329
AC:
5
AN:
152102
Hom.:
0
Cov.:
33
AF XY:
0.0000404
AC XY:
3
AN XY:
74282
show subpopulations
Gnomad4 AFR
AF:
0.0000483
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:
0.0000441
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.000116
Hom.:
0
Bravo
AF:
0.0000264

ClinVar

Significance: Likely benign
Submissions summary: Benign:1
Revision: no assertion criteria provided
LINK: link

Submissions by phenotype

MEIOB-related disorder Benign:1
Likely benign, no assertion criteria providedclinical testingPreventionGenetics, part of Exact SciencesMar 13, 2019This variant is classified as likely benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications). -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.60
CADD
Benign
4.7
DANN
Benign
0.40

Splicing

Name
Calibrated prediction
Score
Prediction
dbscSNV1_ADA
Benign
0.00015
dbscSNV1_RF
Benign
0.058
SpliceAI score (max)
0.010
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: rs1312079716; hg19: chr16-1918104; API