NM_004168.4(SDHA):c.955A>G (p.Ile319Val) AND Pheochromocytoma/paraganglioma syndrome 5

Germline classification:: Uncertain significance (2 submissions)
Last evaluated:: Apr 20, 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:: RCV000662946.3

Allele description [Variation Report for NM_004168.4(SDHA):c.955A>G (p.Ile319Val)]

NM_004168.4(SDHA):c.955A>G (p.Ile319Val)

Gene:

SDHA:succinate dehydrogenase complex flavoprotein subunit A [Gene - OMIM - HGNC]

Variant type:

single nucleotide variant

Cytogenetic location:

5p15.33

Genomic location:

Preferred name:

NM_004168.4(SDHA):c.955A>G (p.Ile319Val)

HGVS:

NC_000005.10:g.233536A>G
NG_012339.1:g.20296A>G
NM_001294332.2:c.811A>G
NM_001330758.2:c.955A>G
NM_004168.4:c.955A>GMANE SELECT
NP_001281261.1:p.Ile271Val
NP_001317687.1:p.Ile319Val
NP_004159.2:p.Ile319Val
LRG_315t1:c.955A>G
LRG_315:g.20296A>G
LRG_315p1:p.Ile319Val
NC_000005.9:g.233651A>G
NM_004168.2:c.955A>G
NM_004168.3:c.955A>G

Protein change:

I271V

Links:

dbSNP: rs377509915

NCBI 1000 Genomes Browser:

rs377509915

Molecular consequence:

NM_001294332.2:c.811A>G - missense variant - [Sequence Ontology: SO:0001583]
NM_001330758.2:c.955A>G - missense variant - [Sequence Ontology: SO:0001583]
NM_004168.4:c.955A>G - missense variant - [Sequence Ontology: SO:0001583]

Condition(s)

Name:: Pheochromocytoma/paraganglioma syndrome 5
Synonyms:: Paragangliomas 5
Identifiers:: MONDO: MONDO:0013602; MedGen: C3279992; Orphanet: 29072; OMIM: 614165

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV000785907	Counsyl	no assertion criteria provided	Uncertain significance (Jan 8, 2018)	unknown	clinical testing
SCV004018580	Myriad Genetics, Inc.	criteria provided, single submitter (Myriad Autosomal Dominant, Autosomal Recessive and X-Linked Classification Criteria (2023))	Uncertain significance (Apr 20, 2023)	unknown	clinical testing	Citation Link

Submission Accession

Submitter

Review Status
(Assertion method)

Clinical Significance
(Last evaluated)

Origin

Method

Citations

SCV000785907

Counsyl

no assertion criteria provided

Uncertain significance
(Jan 8, 2018)

unknown

clinical testing

SCV004018580

Myriad Genetics, Inc.

criteria provided, single submitter

(Myriad Autosomal Dominant, Autosomal Recessive and X-Linked Classification Criteria (2023))

Uncertain significance
(Apr 20, 2023)

unknown

clinical testing

Citation Link

Help

Summary from all submissions

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

Details of each submission

From Counsyl, SCV000785907.3

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

Description

This submission and the accompanying classification are no longer maintained by the submitter. For more information on current observations and classification, please contact variantquestions@myriad.com.

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

From Myriad Genetics, Inc., SCV004018580.1

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

Description

This variant is classified as a variant of uncertain significance as there is insufficient evidence to determine its impact on protein function and/or cancer risk.

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

Last Updated: Aug 16, 2025

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