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GeneBe

X-152850260-CA-C

Variant summary

Our verdict is Likely benign. Variant got -4 ACMG points: 2P and 6B. PM2BP6_ModerateBS1

The NM_015922.3(NSDHL):c.109-4del 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 0.00000273 in 1,097,450 control chromosomes in the GnomAD database, with no homozygous occurrence. There are 1 hemizygotes in GnomAD. Variant has been reported in ClinVar as Likely benign (★).

Frequency

Genomes: 𝑓 0.000027 ( 0 hom., 1 hem., cov: 24)
Exomes 𝑓: 0.0000027 ( 0 hom. 1 hem. )
Failed GnomAD Quality Control

Consequence

NSDHL
NM_015922.3 splice_region, splice_polypyrimidine_tract, intron

Scores

Not classified

Clinical Significance

Likely benign criteria provided, single submitter B:1

Conservation

PhyloP100: -1.38
Variant links:
Genes affected
NSDHL (HGNC:13398): (NAD(P) dependent steroid dehydrogenase-like) The protein encoded by this gene is localized in the endoplasmic reticulum and is involved in cholesterol biosynthesis. Mutations in this gene are associated with CHILD syndrome, which is a X-linked dominant disorder of lipid metabolism with disturbed cholesterol biosynthesis, and typically lethal in males. Alternatively spliced transcript variants with differing 5' UTR have been found for this gene. [provided by RefSeq, Jul 2008]

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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;
BP6
Variant X-152850260-CA-C is Benign according to our data. Variant chrX-152850260-CA-C is described in ClinVar as [Likely_benign]. Clinvar id is 797536.Status of the report is criteria_provided_single_submitter, 1 stars.
BS1
Variant frequency is greater than expected in population afr. gnomad4_exome allele frequency = 0.00000273 (3/1097450) while in subpopulation AFR AF= 0.0000758 (2/26388). AF 95% confidence interval is 0.0000125. There are 0 homozygotes in gnomad4_exome. There are 1 alleles in male gnomad4_exome subpopulation. Median coverage is 29. This position pass quality control queck.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
NSDHLNM_015922.3 linkuse as main transcriptc.109-4del splice_region_variant, splice_polypyrimidine_tract_variant, intron_variant ENST00000370274.8
NSDHLNM_001129765.2 linkuse as main transcriptc.109-4del splice_region_variant, splice_polypyrimidine_tract_variant, intron_variant
NSDHLXM_011531178.3 linkuse as main transcriptc.109-4del splice_region_variant, splice_polypyrimidine_tract_variant, intron_variant
NSDHLXM_017029564.2 linkuse as main transcriptc.157-4del splice_region_variant, splice_polypyrimidine_tract_variant, intron_variant

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
NSDHLENST00000370274.8 linkuse as main transcriptc.109-4del splice_region_variant, splice_polypyrimidine_tract_variant, intron_variant 1 NM_015922.3 P1
NSDHLENST00000432467.1 linkuse as main transcriptc.109-4del splice_region_variant, splice_polypyrimidine_tract_variant, intron_variant 3
NSDHLENST00000440023.5 linkuse as main transcriptc.109-4del splice_region_variant, splice_polypyrimidine_tract_variant, intron_variant 5 P1

Frequencies

GnomAD3 genomes
AF:
0.00
AC:
3
AN:
112234
Hom.:
0
Cov.:
24
AF XY:
0.0000291
AC XY:
1
AN XY:
34392
FAILED QC
Gnomad AFR
AF:
0.0000973
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:
0.0000109
AC:
2
AN:
183442
Hom.:
0
AF XY:
0.00
AC XY:
0
AN XY:
67896
show subpopulations
Gnomad AFR exome
AF:
0.000152
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:
0.00000273
AC:
3
AN:
1097450
Hom.:
0
Cov.:
29
AF XY:
0.00000276
AC XY:
1
AN XY:
362860
show subpopulations
Gnomad4 AFR exome
AF:
0.0000758
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:
0.00
Gnomad4 OTH exome
AF:
0.0000217
GnomAD4 genome
Data not reliable, filtered out with message: AS_VQSR
AF:
0.0000267
AC:
3
AN:
112234
Hom.:
0
Cov.:
24
AF XY:
0.0000291
AC XY:
1
AN XY:
34392
show subpopulations
Gnomad4 AFR
AF:
0.0000973
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
Bravo
AF:
0.0000264

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 testingInvitaeJan 03, 2019- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.21
Details are displayed if max score is > 0.2
DS_AL_spliceai
0.21
Position offset: 5

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: rs1328202421; hg19: chrX-152018804; API