chr2-48687549-A-G
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Variant summary
Our verdict is Benign. Variant got -20 ACMG points: 0P and 20B. BP4_StrongBP6_Very_StrongBA1
The NM_000233.4(LHCGR):c.*148T>C variant causes a 3 prime UTR change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.067 in 650,988 control chromosomes in the GnomAD database, including 2,316 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★★).
Frequency
Genomes: 𝑓 0.10 ( 1172 hom., cov: 32)
Exomes 𝑓: 0.057 ( 1144 hom. )
Consequence
LHCGR
NM_000233.4 3_prime_UTR
NM_000233.4 3_prime_UTR
Scores
2
Clinical Significance
Conservation
PhyloP100: -0.197
Genes affected
LHCGR (HGNC:6585): (luteinizing hormone/choriogonadotropin receptor) This gene encodes the receptor for both luteinizing hormone and choriogonadotropin. This receptor belongs to the G-protein coupled receptor 1 family, and its activity is mediated by G proteins which activate adenylate cyclase. Mutations in this gene result in disorders of male secondary sexual character development, including familial male precocious puberty, also known as testotoxicosis, hypogonadotropic hypogonadism, Leydig cell adenoma with precocious puberty, and male pseudohermaphtoditism with Leydig cell hypoplasia. [provided by RefSeq, Jul 2008]
GTF2A1L (HGNC:30727): (general transcription factor IIA subunit 1 like) The assembly and stability of the RNA polymerase II transcription pre-initiation complex on a eukaryotic core promoter involve the effects of transcription factor IIA (TFIIA) on the interaction between TATA-binding protein (TBP) and DNA. This gene encodes a germ cell-specific counterpart of the large (alpha/beta) subunit of general transcription factor TFIIA that is able to stabilize the binding of TBP to DNA and may be uniquely important to testis biology. Alternative splicing for this locus has been observed and two variants, encoding distinct isoforms, have been identified. Co-transcription of this gene and the neighboring upstream gene generates a rare transcript (SALF), which encodes a fusion protein comprised of sequence sharing identity with each individual gene product. [provided by RefSeq, Mar 2014]
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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 (BayesDel_noAF=-0.92).
BP6
Variant 2-48687549-A-G is Benign according to our data. Variant chr2-48687549-A-G is described in ClinVar as [Benign]. Clinvar id is 336455.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr2-48687549-A-G is described in Lovd as [Benign].
BA1
GnomAd4 highest subpopulation (AFR) allele frequency at 95% confidence interval = 0.209 is higher than 0.05.
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | UniProt |
---|---|---|---|---|---|---|---|
LHCGR | NM_000233.4 | c.*148T>C | 3_prime_UTR_variant | 11/11 | ENST00000294954.12 | ||
STON1-GTF2A1L | NM_001198593.2 | c.3441+15869A>G | intron_variant |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|
LHCGR | ENST00000294954.12 | c.*148T>C | 3_prime_UTR_variant | 11/11 | 1 | NM_000233.4 | A2 | ||
GTF2A1L | ENST00000508440.1 | c.276+15869A>G | intron_variant | 2 |
Frequencies
GnomAD3 genomes AF: 0.100 AC: 15246AN: 152144Hom.: 1167 Cov.: 32
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GnomAD4 exome AF: 0.0568 AC: 28338AN: 498726Hom.: 1144 Cov.: 6 AF XY: 0.0541 AC XY: 14355AN XY: 265490
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GnomAD4 genome AF: 0.100 AC: 15260AN: 152262Hom.: 1172 Cov.: 32 AF XY: 0.0956 AC XY: 7119AN XY: 74448
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ClinVar
Significance: Benign
Submissions summary: Benign:4
Revision: criteria provided, multiple submitters, no conflicts
LINK: link
Submissions by phenotype
Hypergonadotropic hypogonadism Benign:1
Benign, criteria provided, single submitter | clinical testing | Illumina Laboratory Services, Illumina | Jun 14, 2016 | - - |
not provided Benign:1
Benign, criteria provided, single submitter | clinical testing | GeneDx | Aug 12, 2018 | - - |
Leydig cell agenesis Benign:1
Benign, criteria provided, single submitter | clinical testing | Illumina Laboratory Services, Illumina | Jun 14, 2016 | - - |
Gonadotropin-independent familial sexual precocity Benign:1
Benign, criteria provided, single submitter | clinical testing | Illumina Laboratory Services, Illumina | Jan 13, 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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BayesDel_noAF
Benign
CADD
Benign
DANN
Benign
Splicing
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Details are displayed if max score is > 0.2
Find out detailed SpliceAI scores and Pangolin per-transcript scores at