8-142917756-C-T
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Variant summary
Our verdict is Benign. Variant got -20 ACMG points: 0P and 20B. BP4_StrongBP6_Very_StrongBS1BS2
The NM_000498.3(CYP11B2):c.85G>A(p.Ala29Thr) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00182 in 1,614,200 control chromosomes in the GnomAD database, including 52 homozygotes. In-silico tool predicts a benign outcome for this variant. 15/20 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★★).
Frequency
Genomes: 𝑓 0.010 ( 31 hom., cov: 33)
Exomes 𝑓: 0.00096 ( 21 hom. )
Consequence
CYP11B2
NM_000498.3 missense
NM_000498.3 missense
Scores
18
Clinical Significance
Conservation
PhyloP100: -2.85
Genes affected
CYP11B2 (HGNC:2592): (cytochrome P450 family 11 subfamily B member 2) This gene encodes a member of the cytochrome P450 superfamily of enzymes. The cytochrome P450 proteins are monooxygenases which catalyze many reactions involved in drug metabolism and synthesis of cholesterol, steroids and other lipids. This protein localizes to the mitochondrial inner membrane. The enzyme has steroid 18-hydroxylase activity to synthesize aldosterone and 18-oxocortisol as well as steroid 11 beta-hydroxylase activity. Mutations in this gene cause corticosterone methyl oxidase deficiency. [provided by RefSeq, Jul 2008]
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ACMG classification
Classification made for transcript
Verdict is Benign. Variant got -20 ACMG points.
BP4
Computational evidence support a benign effect (MetaRNN=0.0023329556).
BP6
Variant 8-142917756-C-T is Benign according to our data. Variant chr8-142917756-C-T is described in ClinVar as [Benign]. Clinvar id is 716151.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BS1
Variant frequency is greater than expected in population afr. gnomad4 allele frequency = 0.01 (1525/152382) while in subpopulation AFR AF= 0.0354 (1474/41598). AF 95% confidence interval is 0.0339. There are 31 homozygotes in gnomad4. There are 726 alleles in male gnomad4 subpopulation. Median coverage is 33. This position pass quality control queck.
BS2
High Homozygotes in GnomAd4 at 31 AD,AR gene
Transcripts
RefSeq
| Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | Protein | UniProt |
|---|---|---|---|---|---|---|---|---|
| CYP11B2 | NM_000498.3 | c.85G>A | p.Ala29Thr | missense_variant | 1/9 | ENST00000323110.2 | NP_000489.3 |
Ensembl
| Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Protein | Appris | UniProt |
|---|---|---|---|---|---|---|---|---|---|---|
| CYP11B2 | ENST00000323110.2 | c.85G>A | p.Ala29Thr | missense_variant | 1/9 | 1 | NM_000498.3 | ENSP00000325822.2 |
Frequencies
GnomAD3 genomes 0.0100 AC: 1523AN: 152262Hom.: 31 Cov.: 33
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GnomAD3 exomes AF: 0.00253 AC: 636AN: 251216Hom.: 10 AF XY: 0.00190 AC XY: 258AN XY: 135808
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GnomAD4 exome AF: 0.000963 AC: 1408AN: 1461818Hom.: 21 Cov.: 34 AF XY: 0.000787 AC XY: 572AN XY: 727216
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GnomAD4 genome 0.0100 AC: 1525AN: 152382Hom.: 31 Cov.: 33 AF XY: 0.00974 AC XY: 726AN XY: 74518
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ClinVar
Significance: Benign
Submissions summary: Benign:5
Revision: criteria provided, multiple submitters, no conflicts
LINK: link
Submissions by phenotype
Corticosterone methyl oxidase type II deficiency Benign:1
| Benign, no assertion criteria provided | clinical testing | Natera, Inc. | Sep 16, 2020 | - - |
Corticosterone methyloxidase type 2 deficiency Benign:1
| Benign, criteria provided, single submitter | clinical testing | Illumina Laboratory Services, Illumina | Jan 12, 2018 | This variant was observed in the ICSL laboratory as part of a predisposition screen in an ostensibly healthy population. It had not been previously curated by ICSL or reported in the Human Gene Mutation Database (HGMD: prior to June 1st, 2018), and was therefore a candidate for classification through an automated scoring system. Utilizing variant allele frequency, disease prevalence and penetrance estimates, and inheritance mode, an automated score was calculated to assess if this variant is too frequent to cause the disease. Based on the score and internal cut-off values, a variant classified as benign is not then subjected to further curation. The score for this variant resulted in a classification of benign for this disease. - |
Corticosterone 18-monooxygenase deficiency Benign:1
| Benign, criteria provided, single submitter | clinical testing | Illumina Laboratory Services, Illumina | Jan 12, 2018 | This variant was observed in the ICSL laboratory as part of a predisposition screen in an ostensibly healthy population. It had not been previously curated by ICSL or reported in the Human Gene Mutation Database (HGMD: prior to June 1st, 2018), and was therefore a candidate for classification through an automated scoring system. Utilizing variant allele frequency, disease prevalence and penetrance estimates, and inheritance mode, an automated score was calculated to assess if this variant is too frequent to cause the disease. Based on the score and internal cut-off values, a variant classified as benign is not then subjected to further curation. The score for this variant resulted in a classification of benign for this disease. - |
not provided Benign:1
| Benign, criteria provided, single submitter | clinical testing | Labcorp Genetics (formerly Invitae), Labcorp | Jan 31, 2024 | - - |
Glucocorticoid-remediable aldosteronism Benign:1
| Benign, criteria provided, single submitter | clinical testing | Illumina Laboratory Services, Illumina | Jan 12, 2018 | This variant was observed in the ICSL laboratory as part of a predisposition screen in an ostensibly healthy population. It had not been previously curated by ICSL or reported in the Human Gene Mutation Database (HGMD: prior to June 1st, 2018), and was therefore a candidate for classification through an automated scoring system. Utilizing variant allele frequency, disease prevalence and penetrance estimates, and inheritance mode, an automated score was calculated to assess if this variant is too frequent to cause the disease. Based on the score and internal cut-off values, a variant classified as benign is not then subjected to further curation. The score for this variant resulted in a classification of benign for this disease. - |
Computational scores
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Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
BayesDel_addAF
Benign
T
BayesDel_noAF
Benign
CADD
Benign
DANN
Benign
DEOGEN2
Benign
T
Eigen
Benign
Eigen_PC
Benign
FATHMM_MKL
Benign
N
LIST_S2
Benign
T
MetaRNN
Benign
T
MetaSVM
Benign
T
MutationAssessor
Benign
L
PrimateAI
Benign
T
PROVEAN
Benign
N
REVEL
Benign
Sift
Benign
T
Sift4G
Benign
T
Polyphen
B
Vest4
MVP
MPC
ClinPred
T
GERP RS
Varity_R
gMVP
Splicing
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SpliceAI score (max)
Details are displayed if max score is > 0.2
Find out detailed SpliceAI scores and Pangolin per-transcript scores at