ClinVar Miner

Submissions for variant NM_021871.4(FGA):c.904C>G (p.Pro302Ala)

gnomAD frequency: 0.00002  dbSNP: rs200203992
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Total submissions: 4
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Illumina Laboratory Services, Illumina RCV000268329 SCV000447823 benign Familial visceral amyloidosis, Ostertag type 2018-01-13 criteria provided, single submitter clinical testing 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.
Illumina Laboratory Services, Illumina RCV000307705 SCV000447824 benign Congenital afibrinogenemia 2018-01-13 criteria provided, single submitter clinical testing 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.
Invitae RCV000973688 SCV001121457 benign not provided 2019-12-31 criteria provided, single submitter clinical testing
Women's Health and Genetics/Laboratory Corporation of America, LabCorp RCV003330651 SCV004039204 likely benign not specified 2023-08-23 criteria provided, single submitter clinical testing Variant summary: FGA c.904C>G (p.Pro302Ala) results in a non-conservative amino acid change in the encoded protein sequence. Three of five in-silico tools predict a benign effect of the variant on protein function. The variant allele was found at a frequency of 0.0032 in 251186 control chromosomes, predominantly at a frequency of 0.026 within the South Asian subpopulation in the gnomAD database, including 21 homozygotes, strongly suggesting that the variant is a benign polymorphism found primarily in populations of South Asian origin. c.904C>G has been reported in the literature in an individual of South Asian origin affected with afibrinogenemia (Naz_2017). This report does not provide unequivocal conclusions about association of the variant with Dysfibrinogenemia, Congenital. To our knowledge, no experimental evidence demonstrating an impact on protein function has been reported. The following publication has been ascertained in the context of this evaluation (PMID: 28912669). Two submitters have cited clinical-significance assessments for this variant to ClinVar after 2014. Both submitters classified the variant as benign. Based on the evidence outlined above, the variant was classified as likely benign.

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