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NM_000488.4(SERPINC1):c.925G>A (p.Asp309Asn) AND Hereditary antithrombin deficiency

Germline classification:
Uncertain significance (1 submission)
Last evaluated:
Jun 14, 2023
Review status:
1 star out of maximum of 4 stars
criteria provided, single submitter
Somatic classification
of clinical impact:
None
Review status:
(0/4) 0 stars out of maximum of 4 stars
no assertion criteria provided
Somatic classification
of oncogenicity:
None
Review status:
(0/4) 0 stars out of maximum of 4 stars
no assertion criteria provided
Record status:
current
Accession:
RCV003639205.2

Allele description [Variation Report for NM_000488.4(SERPINC1):c.925G>A (p.Asp309Asn)]

NM_000488.4(SERPINC1):c.925G>A (p.Asp309Asn)

Gene:
SERPINC1:serpin family C member 1 [Gene - OMIM - HGNC]
Variant type:
single nucleotide variant
Cytogenetic location:
1q25.1
Genomic location:
Preferred name:
NM_000488.4(SERPINC1):c.925G>A (p.Asp309Asn)
HGVS:
  • NC_000001.11:g.173909780C>T
  • NG_012462.1:g.12599G>A
  • NM_000488.4:c.925G>AMANE SELECT
  • NM_001365052.2:c.781G>A
  • NM_001386302.1:c.1048G>A
  • NM_001386303.1:c.1006G>A
  • NM_001386304.1:c.904G>A
  • NM_001386305.1:c.868G>A
  • NM_001386306.1:c.709G>A
  • NP_000479.1:p.Asp309Asn
  • NP_000479.1:p.Asp309Asn
  • NP_001351981.1:p.Asp261Asn
  • NP_001373231.1:p.Asp350Asn
  • NP_001373232.1:p.Asp336Asn
  • NP_001373233.1:p.Asp302Asn
  • NP_001373234.1:p.Asp290Asn
  • NP_001373235.1:p.Asp237Asn
  • LRG_577t1:c.925G>A
  • LRG_577:g.12599G>A
  • LRG_577p1:p.Asp309Asn
  • NC_000001.10:g.173878918C>T
  • NM_000488.3:c.925G>A
Protein change:
D237N
Molecular consequence:
  • NM_000488.4:c.925G>A - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001365052.2:c.781G>A - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001386302.1:c.1048G>A - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001386303.1:c.1006G>A - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001386304.1:c.904G>A - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001386305.1:c.868G>A - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001386306.1:c.709G>A - missense variant - [Sequence Ontology: SO:0001583]

Condition(s)

Name:
Hereditary antithrombin deficiency (AT3D)
Synonyms:
Antithrombin III deficiency; Thrombophilia due to antithrombin III deficiency; Reduced antithrombin III activity; See all synonyms [MedGen]
Identifiers:
MONDO: MONDO:0013144; MedGen: C0272375; OMIM: 613118; Human Phenotype Ontology: HP:0001976

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Assertion and evidence details

Submission AccessionSubmitterReview Status
(Assertion method)
Clinical Significance
(Last evaluated)
OriginMethodCitations
SCV004559908Labcorp Genetics (formerly Invitae), Labcorp
criteria provided, single submitter

(Invitae Variant Classification Sherloc (09022015))
Uncertain significance
(Jun 14, 2023)
germlineclinical testing

PubMed (1)
[See all records that cite this PMID]

Summary from all submissions

EthnicityOriginAffectedIndividualsFamiliesChromosomes testedNumber TestedFamily historyMethod
not providedgermlineunknownnot providednot providednot providednot providednot providedclinical testing

Citations

PubMed

Sherloc: a comprehensive refinement of the ACMG-AMP variant classification criteria.

Nykamp K, Anderson M, Powers M, Garcia J, Herrera B, Ho YY, Kobayashi Y, Patil N, Thusberg J, Westbrook M; Invitae Clinical Genomics Group., Topper S.

Genet Med. 2017 Oct;19(10):1105-1117. doi: 10.1038/gim.2017.37. Epub 2017 May 11. Erratum in: Genet Med. 2020 Jan;22(1):240. doi: 10.1038/s41436-019-0624-9.

PubMed [citation]
PMID:
28492532
PMCID:
PMC5632818

Details of each submission

From Labcorp Genetics (formerly Invitae), Labcorp, SCV004559908.1

#EthnicityIndividualsChromosomes TestedFamily HistoryMethodCitations
1not providednot providednot providednot providedclinical testing PubMed (1)

Description

This variant has not been reported in the literature in individuals affected with SERPINC1-related conditions. This variant is not present in population databases (gnomAD no frequency). This sequence change replaces aspartic acid, which is acidic and polar, with asparagine, which is neutral and polar, at codon 309 of the SERPINC1 protein (p.Asp309Asn). Advanced modeling of protein sequence and biophysical properties (such as structural, functional, and spatial information, amino acid conservation, physicochemical variation, residue mobility, and thermodynamic stability) performed at Invitae indicates that this missense variant is not expected to disrupt SERPINC1 protein function. In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance. Algorithms developed to predict the effect of sequence changes on RNA splicing suggest that this variant may create or strengthen a splice site.

#SampleMethodObservation
OriginAffectedNumber testedTissuePurposeMethodIndividualsAllele frequencyFamiliesCo-occurrences
1germlineunknownnot providednot providednot providednot providednot providednot providednot provided

Last Updated: Oct 8, 2024