X-43767621-A-G

Variant summary

Our verdict is Benign. Variant got -12 ACMG points: 0P and 12B. BP4_StrongBA1

The NM_000898.5(MAOB):​c.1411-3T>C variant causes a splice region, intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0271 in 1,202,693 control chromosomes in the GnomAD database, including 1,485 homozygotes. There are 12,248 hemizygotes in GnomAD. In-silico tool predicts a benign outcome for this variant. 3/3 splice prediction tools predict no significant impact on normal splicing. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: 𝑓 0.059 ( 363 hom., 1928 hem., cov: 23)
Exomes 𝑓: 0.024 ( 1122 hom. 10320 hem. )

Consequence

MAOB
NM_000898.5 splice_region, intron

Scores

2
Splicing: ADA: 0.0002508
2

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 0.452
Variant links:
Genes affected
MAOB (HGNC:6834): (monoamine oxidase B) The protein encoded by this gene belongs to the flavin monoamine oxidase family. It is a enzyme located in the mitochondrial outer membrane. It catalyzes the oxidative deamination of biogenic and xenobiotic amines and plays an important role in the metabolism of neuroactive and vasoactive amines in the central nervous sysytem and peripheral tissues. This protein preferentially degrades benzylamine and phenylethylamine. [provided by RefSeq, Jul 2008]

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -12 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.85).
BA1
GnomAd4 highest subpopulation (SAS) allele frequency at 95% confidence interval = 0.166 is higher than 0.05.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
MAOBNM_000898.5 linkuse as main transcriptc.1411-3T>C splice_region_variant, intron_variant ENST00000378069.5 NP_000889.3 P27338-1
MAOBXM_017029524.3 linkuse as main transcriptc.1363-3T>C splice_region_variant, intron_variant XP_016885013.1 B7Z242

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
MAOBENST00000378069.5 linkuse as main transcriptc.1411-3T>C splice_region_variant, intron_variant 1 NM_000898.5 ENSP00000367309.4 P27338-1

Frequencies

GnomAD3 genomes
AF:
0.0592
AC:
6608
AN:
111541
Hom.:
360
Cov.:
23
AF XY:
0.0568
AC XY:
1916
AN XY:
33735
show subpopulations
Gnomad AFR
AF:
0.145
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.0801
Gnomad ASJ
AF:
0.0215
Gnomad EAS
AF:
0.148
Gnomad SAS
AF:
0.180
Gnomad FIN
AF:
0.00245
Gnomad MID
AF:
0.00844
Gnomad NFE
AF:
0.00350
Gnomad OTH
AF:
0.0560
GnomAD3 exomes
AF:
0.0580
AC:
10242
AN:
176450
Hom.:
472
AF XY:
0.0575
AC XY:
3564
AN XY:
62004
show subpopulations
Gnomad AFR exome
AF:
0.152
Gnomad AMR exome
AF:
0.0934
Gnomad ASJ exome
AF:
0.0163
Gnomad EAS exome
AF:
0.143
Gnomad SAS exome
AF:
0.187
Gnomad FIN exome
AF:
0.00305
Gnomad NFE exome
AF:
0.00326
Gnomad OTH exome
AF:
0.0378
GnomAD4 exome
AF:
0.0238
AC:
25934
AN:
1091100
Hom.:
1122
Cov.:
29
AF XY:
0.0289
AC XY:
10320
AN XY:
357250
show subpopulations
Gnomad4 AFR exome
AF:
0.151
Gnomad4 AMR exome
AF:
0.0933
Gnomad4 ASJ exome
AF:
0.0171
Gnomad4 EAS exome
AF:
0.160
Gnomad4 SAS exome
AF:
0.181
Gnomad4 FIN exome
AF:
0.00342
Gnomad4 NFE exome
AF:
0.00246
Gnomad4 OTH exome
AF:
0.0373
GnomAD4 genome
AF:
0.0594
AC:
6628
AN:
111593
Hom.:
363
Cov.:
23
AF XY:
0.0570
AC XY:
1928
AN XY:
33797
show subpopulations
Gnomad4 AFR
AF:
0.145
Gnomad4 AMR
AF:
0.0797
Gnomad4 ASJ
AF:
0.0215
Gnomad4 EAS
AF:
0.148
Gnomad4 SAS
AF:
0.179
Gnomad4 FIN
AF:
0.00245
Gnomad4 NFE
AF:
0.00350
Gnomad4 OTH
AF:
0.0652
Alfa
AF:
0.0326
Hom.:
227
Bravo
AF:
0.0690

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.85
CADD
Benign
2.2
DANN
Benign
0.50

Splicing

Name
Calibrated prediction
Score
Prediction
dbscSNV1_ADA
Benign
0.00025
dbscSNV1_RF
Benign
0.042
SpliceAI score (max)
0.12
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: rs3027441; hg19: chrX-43626868; COSMIC: COSV65204567; API