NM_001154.4:c.652G>C

Variant names:

Variant summary

Our verdict is Uncertain significance. The variant received 3 ACMG points: 3P and 0B. PM2PP3

The NM_001154.4(ANXA5):c.652G>C(p.Gly218Arg) variant causes a missense change. The variant allele was found at a frequency of 0.000000685 in 1,460,586 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

ANXA5
NM_001154.4 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 6.67

Publications

0 publications found

Variant links:

Genes affected

ANXA5 (HGNC:543): (annexin A5) The Annexin 5 gene spans 29 kb containing 13 exons, and encodes a single transcript of approximately 1.6 kb and a protein product with a molecular weight of about 35 kDa.The protein encoded by this gene belongs to the annexin family of calcium-dependent phospholipid binding proteins some of which have been implicated in membrane-related events along exocytotic and endocytotic pathways. Annexin 5 is a phospholipase A2 and protein kinase C inhibitory protein with calcium channel activity and a potential role in cellular signal transduction, inflammation, growth and differentiation. Annexin 5 has also been described as placental anticoagulant protein I, vascular anticoagulant-alpha, endonexin II, lipocortin V, placental protein 4 and anchorin CII. Polymorphisms in this gene have been implicated in various obstetric complications. [provided by RefSeq, Dec 2019]

ANXA5 Gene-Disease associations (from GenCC):

pregnancy loss, recurrent, susceptibility to, 3
Inheritance: Unknown Classification: NO_KNOWN Submitted by: Ambry Genetics

ANXA5 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 3 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

PP3

MetaRNN computational evidence supports a deleterious effect, 0.79

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
ANXA5	NM_001154.4 link	c.652G>C	p.Gly218Arg	missense_variant	Exon 10 of 13	ENST00000296511.10	NP_001145.1	P08758V9HWE0

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
ANXA5	ENST00000296511.10 link	c.652G>C	p.Gly218Arg	missense_variant	Exon 10 of 13	1	NM_001154.4	ENSP00000296511.5		P08758

Frequencies

GnomAD3 genomes

Cov.:

GnomAD2 exomes

AF:

0.00000399

AC:

AN:

250726

AF XY:

0.00000738

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.0000289

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

6.85e-7

AC:

AN:

1460586

Hom.:

Cov.:

AF XY:

0.00000138

AC XY:

AN XY:

726660

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33424

American (AMR)

AF:

0.0000224

AC:

AN:

44720

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26108

East Asian (EAS)

AF:

0.00

AC:

AN:

39658

South Asian (SAS)

AF:

0.00

AC:

AN:

86224

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53342

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5764

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1111010

Other (OTH)

AF:

0.00

AC:

AN:

60336

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.425

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

Pregnancy loss, recurrent, susceptibility to, 3

Uncertain:1

Neuberg Centre For Genomic Medicine, NCGM

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

The missense c.652G>C p.Gly218Arg variant in ANXA5 gene has not been reported previously as a pathogenic variant nor as a benign variant, to our knowledge. The p.Gly218Arg variant is reported with an allele frequency of 0.0004% in the gnomAD exomes database and is novel not in any individuals in 1000 Genomes database. This variant has not been reported to the ClinVar database. The amino acid change p.Gly218Arg in ANXA5 is predicted as conserved by GERP++ and PhyloP across 100 vertebrates. The amino acid Gly at position 218 is changed to a Arg changing protein sequence and it might alter its composition and physico-chemical properties. For these reasons, this variant has been classified as a Variant of Uncertain Significance VUS. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Pathogenic

0.74

BayesDel_addAF

Uncertain

0.15

BayesDel_noAF

Uncertain

-0.020

CADD

Pathogenic

(source)

DANN

Pathogenic

1.0

DEOGEN2

Benign

0.28

T;T;T

Eigen

Pathogenic

0.85

Eigen_PC

Pathogenic

0.82

FATHMM_MKL

Uncertain

0.94

LIST_S2

Uncertain

0.96

D;D;D

M_CAP

Benign

0.044

MetaRNN

Pathogenic

0.79

D;D;D

MetaSVM

Benign

-1.1

MutationAssessor

Uncertain

2.7

M;.;.

PhyloP100

6.7

PrimateAI

Uncertain

0.78

PROVEAN

Pathogenic

-4.6

D;D;D

REVEL

Uncertain

0.32

Sift

Uncertain

0.0040

D;D;D

Sift4G

Uncertain

0.0070

D;D;D

Polyphen

1.0

D;D;D

Vest4

0.79

MutPred

0.58

Gain of solvent accessibility (P = 0.0037);.;.;

MVP

0.63

MPC

0.83

ClinPred

0.99

GERP RS

5.7

Varity_R

0.79

gMVP

0.75

Mutation Taster

=15/85

disease causing

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.0

Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over