rs61100157
Variant summary
Our verdict is Benign. Variant got -12 ACMG points: 0P and 12B. BP4_ModerateBP6BP7BA1
The NM_022356.4(P3H1):c.1026C>T(p.Ala342=) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00278 in 1,614,186 control chromosomes in the GnomAD database, including 114 homozygotes. 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: 𝑓 0.015 ( 62 hom., cov: 32)
Exomes 𝑓: 0.0015 ( 52 hom. )
Consequence
P3H1
NM_022356.4 synonymous
NM_022356.4 synonymous
Scores
2
Clinical Significance
Conservation
PhyloP100: 0.214
Genes affected
P3H1 (HGNC:19316): (prolyl 3-hydroxylase 1) This gene encodes an enzyme that is a member of the collagen prolyl hydroxylase family. These enzymes are localized to the endoplasmic reticulum and their activity is required for proper collagen synthesis and assembly. Mutations in this gene are associated with osteogenesis imperfecta type VIII. Three alternatively spliced transcript variants encoding different isoforms have been described. Other variants may exist, but their biological validity has not been determined. [provided by RefSeq, Aug 2011]
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ACMG classification
Classification made for transcript
Verdict is Benign. Variant got -12 ACMG points.
BP4
?
Computational evidence support a benign effect (BayesDel_noAF=-0.46).
BP6
?
Variant 1-42757837-G-A is Benign according to our data. Variant chr1-42757837-G-A is described in ClinVar as [Conflicting_classifications_of_pathogenicity]. Clinvar id is 379768.We mark this variant Likely_benign, oryginal submissions are: {Uncertain_significance=1, Benign=5}. Variant chr1-42757837-G-A is described in Lovd as [Benign].
BP7
?
Synonymous conserved (PhyloP=0.214 with no splicing effect.
BA1
?
GnomAdExome4 highest subpopulation (AFR) allele frequency at 95% confidence interval = 0.0511 is higher than 0.05.
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | UniProt |
---|---|---|---|---|---|---|---|
P3H1 | NM_022356.4 | c.1026C>T | p.Ala342= | synonymous_variant | 5/15 | ENST00000296388.10 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|
P3H1 | ENST00000296388.10 | c.1026C>T | p.Ala342= | synonymous_variant | 5/15 | 1 | NM_022356.4 | P1 |
Frequencies
GnomAD3 genomes ? AF: 0.0146 AC: 2224AN: 152186Hom.: 62 Cov.: 32
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GnomAD3 exomes AF: 0.00396 AC: 995AN: 251492Hom.: 25 AF XY: 0.00304 AC XY: 413AN XY: 135922
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GnomAD4 exome AF: 0.00154 AC: 2257AN: 1461882Hom.: 52 Cov.: 32 AF XY: 0.00131 AC XY: 956AN XY: 727238
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GnomAD4 genome ? AF: 0.0146 AC: 2227AN: 152304Hom.: 62 Cov.: 32 AF XY: 0.0144 AC XY: 1074AN XY: 74482
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ClinVar
Significance: Conflicting classifications of pathogenicity
Submissions summary: Uncertain:1Benign:5
Revision: criteria provided, conflicting classifications
LINK: link
Submissions by phenotype
Osteogenesis imperfecta type 8 Benign:3
Benign, criteria provided, single submitter | clinical testing | ARUP Laboratories, Molecular Genetics and Genomics, ARUP Laboratories | Nov 22, 2023 | - - |
Benign, criteria provided, single submitter | clinical testing | Invitae | Jan 31, 2024 | - - |
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. - |
Osteogenesis Imperfecta, Recessive Uncertain:1
Uncertain significance, criteria provided, single submitter | clinical testing | Illumina Laboratory Services, Illumina | Apr 27, 2017 | This variant was observed as part of a predisposition screen in an ostensibly healthy population. A literature search was performed for the gene, cDNA change, and amino acid change (where applicable). No publications were found based on this search. Allele frequency data from public databases did not allow this variant to be ruled in or out of causing disease. Therefore, this variant is classified as a variant of unknown significance. - |
not specified Benign:1
Benign, criteria provided, single submitter | clinical testing | GeneDx | Oct 10, 2016 | This variant is considered likely benign or benign based on one or more of the following criteria: it is a conservative change, it occurs at a poorly conserved position in the protein, it is predicted to be benign by multiple in silico algorithms, and/or has population frequency not consistent with disease. - |
Osteogenesis imperfecta Benign:1
Benign, criteria provided, single submitter | clinical testing | Genome Diagnostics Laboratory, The Hospital for Sick Children | Sep 13, 2021 | - - |
Computational scores
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BayesDel_noAF
Benign
Cadd
Benign
Dann
Benign
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Details are displayed if max score is > 0.2
DS_AG_spliceai
Position offset: -11
Find out detailed SpliceAI scores and Pangolin per-transcript scores at