rs764314231
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Variant summary
Our verdict is Likely benign. Variant got -4 ACMG points: 2P and 6B. PM2BP4_StrongBP6BP7
The NM_006031.6(PCNT):āc.1185T>Cā(p.Phe395=) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000582 in 1,614,076 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 Conflicting classifications of pathogenicity (no stars).
Frequency
Genomes: š 0.00014 ( 0 hom., cov: 33)
Exomes š: 0.000050 ( 0 hom. )
Consequence
PCNT
NM_006031.6 synonymous
NM_006031.6 synonymous
Scores
2
Clinical Significance
Conservation
PhyloP100: 0.550
Genes affected
PCNT (HGNC:16068): (pericentrin) The protein encoded by this gene binds to calmodulin and is expressed in the centrosome. It is an integral component of the pericentriolar material (PCM). The protein contains a series of coiled-coil domains and a highly conserved PCM targeting motif called the PACT domain near its C-terminus. The protein interacts with the microtubule nucleation component gamma-tubulin and is likely important to normal functioning of the centrosomes, cytoskeleton, and cell-cycle progression. Mutations in this gene cause Seckel syndrome-4 and microcephalic osteodysplastic primordial dwarfism type II. Two transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Oct 2015]
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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;
BP4
?
Computational evidence support a benign effect (BayesDel_noAF=-0.59).
BP6
?
Variant 21-46349164-T-C is Benign according to our data. Variant chr21-46349164-T-C is described in ClinVar as [Conflicting_classifications_of_pathogenicity]. Clinvar id is 340469.We mark this variant Likely_benign, oryginal submissions are: {Likely_benign=3, Uncertain_significance=1}.
BP7
?
Synonymous conserved (PhyloP=0.55 with no splicing effect.
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | UniProt |
---|---|---|---|---|---|---|---|
PCNT | NM_006031.6 | c.1185T>C | p.Phe395= | synonymous_variant | 7/47 | ENST00000359568.10 | |
PCNT | NM_001315529.2 | c.831T>C | p.Phe277= | synonymous_variant | 7/47 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|
PCNT | ENST00000359568.10 | c.1185T>C | p.Phe395= | synonymous_variant | 7/47 | 1 | NM_006031.6 | P2 |
Frequencies
GnomAD3 genomes ? AF: 0.000138 AC: 21AN: 152204Hom.: 0 Cov.: 33
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GnomAD3 exomes AF: 0.000103 AC: 26AN: 251464Hom.: 0 AF XY: 0.000118 AC XY: 16AN XY: 135922
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GnomAD4 exome AF: 0.0000499 AC: 73AN: 1461754Hom.: 0 Cov.: 30 AF XY: 0.0000536 AC XY: 39AN XY: 727192
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GnomAD4 genome ? AF: 0.000138 AC: 21AN: 152322Hom.: 0 Cov.: 33 AF XY: 0.000175 AC XY: 13AN XY: 74482
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ClinVar
Significance: Conflicting classifications of pathogenicity
Submissions summary: Uncertain:1Benign:3
Revision: criteria provided, conflicting classifications
LINK: link
Submissions by phenotype
Microcephalic osteodysplastic primordial dwarfism type II Uncertain:1
Uncertain significance, 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, this variant could not be ruled out of causing disease and therefore its association with disease required further investigation. A literature search was performed for the gene, cDNA change, and amino acid change (if applicable). No publications were found based on this search. This variant was therefore classified as a variant of unknown significance for this disease. - |
not specified Benign:1
Likely benign, criteria provided, single submitter | clinical testing | Genetic Services Laboratory, University of Chicago | Mar 28, 2017 | - - |
PCNT-related disorder Benign:1
Likely benign, criteria provided, single submitter | clinical testing | PreventionGenetics, part of Exact Sciences | Jun 26, 2021 | This variant is classified as likely benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications). - |
not provided Benign:1
Likely benign, criteria provided, single submitter | clinical testing | Invitae | Dec 26, 2023 | - - |
Computational scores
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BayesDel_noAF
Benign
CADD
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DANN
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Details are displayed if max score is > 0.2
Find out detailed SpliceAI scores and Pangolin per-transcript scores at