NM_000057.4(BLM):c.3113G>C (p.Arg1038Thr) AND Hereditary cancer-predisposing syndrome

Germline classification:: Uncertain significance (1 submission)
Last evaluated:: Mar 7, 2022
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:: RCV002323903.2

Allele description [Variation Report for NM_000057.4(BLM):c.3113G>C (p.Arg1038Thr)]

NM_000057.4(BLM):c.3113G>C (p.Arg1038Thr)

Gene:

BLM:BLM RecQ like helicase [Gene - OMIM - HGNC]

Variant type:

single nucleotide variant

Cytogenetic location:

15q26.1

Genomic location:

Preferred name:

NM_000057.4(BLM):c.3113G>C (p.Arg1038Thr)

HGVS:

NC_000015.10:g.90794260G>C
NG_007272.1:g.81889G>C
NM_000057.4:c.3113G>CMANE SELECT
NM_001287246.2:c.3113G>C
NM_001287247.2:c.3113G>C
NM_001287248.2:c.1988G>C
NP_000048.1:p.Arg1038Thr
NP_001274175.1:p.Arg1038Thr
NP_001274176.1:p.Arg1038Thr
NP_001274177.1:p.Arg663Thr
LRG_20t1:c.3113G>C
LRG_20:g.81889G>C
NC_000015.9:g.91337490G>C
NM_000057.2:c.3113G>C
NM_000057.3:c.3113G>C

Protein change:

R1038T

Links:

dbSNP: rs1555423425

NCBI 1000 Genomes Browser:

rs1555423425

Molecular consequence:

NM_000057.4:c.3113G>C - missense variant - [Sequence Ontology: SO:0001583]
NM_001287246.2:c.3113G>C - missense variant - [Sequence Ontology: SO:0001583]
NM_001287247.2:c.3113G>C - missense variant - [Sequence Ontology: SO:0001583]
NM_001287248.2:c.1988G>C - missense variant - [Sequence Ontology: SO:0001583]

Condition(s)

Name:: Hereditary cancer-predisposing syndrome
Synonyms:: Neoplastic Syndromes, Hereditary; Tumor predisposition; Cancer predisposition; See all synonyms [MedGen]
Identifiers:: MONDO: MONDO:0015356; MeSH: D009386; MedGen: C0027672

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV002607747	Ambry Genetics	criteria provided, single submitter (Ambry Variant Classification Scheme 2023)	Uncertain significance (Mar 7, 2022)	germline	clinical testing	Citation Link

Submission Accession

Submitter

Review Status
(Assertion method)

Clinical Significance
(Last evaluated)

Origin

Method

Citations

SCV002607747

Ambry Genetics

criteria provided, single submitter

(Ambry Variant Classification Scheme 2023)

Uncertain significance
(Mar 7, 2022)

germline

clinical testing

Citation Link

Help

Summary from all submissions

Ethnicity	Origin	Affected	Individuals	Families	Chromosomes tested	Number Tested	Family history	Method
not provided	germline	unknown	not provided	not provided	not provided	not provided	not provided	clinical testing

Details of each submission

From Ambry Genetics, SCV002607747.2

#	Ethnicity	Individuals	Chromosomes Tested	Family History	Method	Citations
1	not provided	not provided	not provided	not provided	clinical testing	not provided

Description

The p.R1038T variant (also known as c.3113G>C), located in coding exon 15 of the BLM gene, results from a G to C substitution at nucleotide position 3113. The arginine at codon 1038 is replaced by threonine, an amino acid with similar properties. This amino acid position is conserved. In addition, this alteration is predicted to be deleterious by in silico analysis. Since supporting evidence is limited at this time, the clinical significance of this alteration remains unclear.

#	Sample				Method		Observation
#	Origin	Affected	Number tested	Tissue	Purpose	Method	Individuals	Allele frequency	Families	Co-occurrences
1	germline	unknown	not provided	not provided	not provided		not provided	not provided	not provided	not provided

Last Updated: Apr 7, 2025

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