chr18-33607554-T-C

Variant summary

Our verdict is Benign. Variant got -14 ACMG points: 0P and 14B. BP4_StrongBP6_ModerateBS1BS2

The NM_030632.3(ASXL3):​c.55-40T>C variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000352 in 1,428,376 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 Benign (★).

Frequency

Genomes: 𝑓 0.00023 ( 0 hom., cov: 32)
Exomes 𝑓: 0.00037 ( 0 hom. )

Consequence

ASXL3
NM_030632.3 intron

Scores

2

Clinical Significance

Benign criteria provided, single submitter B:1

Conservation

PhyloP100: 0.944
Variant links:
Genes affected
ASXL3 (HGNC:29357): (ASXL transcriptional regulator 3) This gene encodes a protein containing a plant homeodomain (PHD) zinc finger domain that plays a role in the regulation of gene transcription. The encoded protein has been shown to negatively regulate lipogenesis by binding to and inhibiting the transcriptional activity of two nuclear hormone receptors, oxysterols receptor LXR-alpha (LXRalpha) and thyroid hormone receptor beta (TRbeta). The encoded protein may also inhibit histone deubiquitination. Mutations in this gene have been identified in human patients with Bainbridge-Ropers syndrome, which is characterized by feeding difficulties, developmental delay and other features. [provided by RefSeq, May 2017]

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -14 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.79).
BP6
Variant 18-33607554-T-C is Benign according to our data. Variant chr18-33607554-T-C is described in ClinVar as [Benign]. Clinvar id is 1274140.Status of the report is criteria_provided_single_submitter, 1 stars.
BS1
Variant frequency is greater than expected in population sas. gnomad4 allele frequency = 0.00023 (35/152034) while in subpopulation SAS AF= 0.000621 (3/4830). AF 95% confidence interval is 0.000169. There are 0 homozygotes in gnomad4. There are 16 alleles in male gnomad4 subpopulation. Median coverage is 32. This position pass quality control queck.
BS2
High AC in GnomAd4 at 35 AD gene.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
ASXL3NM_030632.3 linkuse as main transcriptc.55-40T>C intron_variant ENST00000269197.12

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
ASXL3ENST00000269197.12 linkuse as main transcriptc.55-40T>C intron_variant 5 NM_030632.3 P4Q9C0F0-1

Frequencies

GnomAD3 genomes
AF:
0.000230
AC:
35
AN:
151916
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0000483
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00664
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.000621
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.000103
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.000842
AC:
136
AN:
161458
Hom.:
0
AF XY:
0.000884
AC XY:
75
AN XY:
84876
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00944
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00147
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.000337
Gnomad OTH exome
AF:
0.000444
GnomAD4 exome
AF:
0.000367
AC:
468
AN:
1276342
Hom.:
0
Cov.:
18
AF XY:
0.000424
AC XY:
270
AN XY:
636922
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.0000287
Gnomad4 ASJ exome
AF:
0.00883
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00141
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.000101
Gnomad4 OTH exome
AF:
0.000743
GnomAD4 genome
AF:
0.000230
AC:
35
AN:
152034
Hom.:
0
Cov.:
32
AF XY:
0.000215
AC XY:
16
AN XY:
74314
show subpopulations
Gnomad4 AFR
AF:
0.0000482
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00664
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.000621
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.000103
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.00171
Hom.:
0
Bravo
AF:
0.000264
Asia WGS
AF:
0.000289
AC:
2
AN:
3478

ClinVar

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

Submissions by phenotype

not provided Benign:1
Benign, criteria provided, single submitterclinical testingGeneDxMar 29, 2020- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.79
CADD
Benign
12
DANN
Benign
0.77

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: rs199845849; hg19: chr18-31187518; API