Genetic Variant FBP2:p.Met186Val (chr9-94571473-T-C) – ACMG Classification: Likely_benign (-4 pts)

Variant summary

Our verdict is Likely benign. The variant received -4 ACMG points: 0P and 4B. BS2

The NM_003837.4(FBP2):c.556A>G(p.Met186Val) variant causes a missense change. The variant allele was found at a frequency of 0.00000434 in 1,612,138 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 33)

Exomes 𝑓: 0.0000041 ( 0 hom. )

Consequence

FBP2
NM_003837.4 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 6.01

Publications

1 publications found

Variant links:

Genes affected

FBP2 (HGNC:3607): (fructose-bisphosphatase 2) This gene encodes a gluconeogenesis regulatory enzyme which catalyzes the hydrolysis of fructose 1,6-bisphosphate to fructose 6-phosphate and inorganic phosphate. [provided by RefSeq, Jul 2008]

FBP2 links:

PCAT7 (HGNC:48824): (prostate cancer associated transcript 7)

PCAT7 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -4 ACMG points.

BS2

High AC in GnomAdExome4 at 6 AD gene.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
FBP2	NM_003837.4 link	c.556A>G	p.Met186Val	missense_variant	Exon 4 of 7	ENST00000375337.4	NP_003828.2	O00757

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
FBP2	ENST00000375337.4 link	c.556A>G	p.Met186Val	missense_variant	Exon 4 of 7	1	NM_003837.4	ENSP00000364486.3		O00757
PCAT7	ENST00000647389.1 link	n.442-1506T>C		intron_variant	Intron 2 of 8

Frequencies

GnomAD3 genomes

AF:

0.00000657

AC:

AN:

152178

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000241

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.00

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.00000800

AC:

AN:

249910

AF XY:

0.00000741

show subpopulations

Gnomad AFR exome

AF:

0.0000616

Gnomad AMR exome

AF:

0.0000292

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:

0.00000411

AC:

AN:

1459842

Hom.:

Cov.:

AF XY:

0.00000413

AC XY:

AN XY:

726114

show subpopulations

African (AFR)

AF:

0.000120

AC:

AN:

33432

American (AMR)

AF:

0.0000224

AC:

AN:

44598

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26078

East Asian (EAS)

AF:

0.00

AC:

AN:

39662

South Asian (SAS)

AF:

0.00

AC:

AN:

85848

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53404

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5456

European-Non Finnish (NFE)

AF:

9.00e-7

AC:

AN:

1111074

Other (OTH)

AF:

0.00

AC:

AN:

60290

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.450

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

AF:

0.00000657

AC:

AN:

152296

Hom.:

Cov.:

AF XY:

0.0000134

AC XY:

AN XY:

74474

show subpopulations

African (AFR)

AF:

0.0000241

AC:

AN:

41568

American (AMR)

AF:

0.00

AC:

AN:

15302

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3466

East Asian (EAS)

AF:

0.00

AC:

AN:

5170

South Asian (SAS)

AF:

0.00

AC:

AN:

4826

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10616

Middle Eastern (MID)

AF:

0.00

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

68026

Other (OTH)

AF:

0.00

AC:

AN:

2116

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.475

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.00

Hom.:

Bravo

AF:

0.00000756

ExAC

AF:

0.0000247

AC:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

May 15, 2024

Ambry Genetics

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

The c.556A>G (p.M186V) alteration is located in exon 4 (coding exon 4) of the FBP2 gene. This alteration results from a A to G substitution at nucleotide position 556, causing the methionine (M) at amino acid position 186 to be replaced by a valine (V). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.31

BayesDel_addAF

Pathogenic

0.20

BayesDel_noAF

Pathogenic

0.23

CADD

Uncertain

(source)

DANN

Uncertain

0.99

DEOGEN2

Uncertain

0.48

Eigen

Benign

0.012

Eigen_PC

Benign

0.19

FATHMM_MKL

Uncertain

0.96

LIST_S2

Pathogenic

0.97

M_CAP

Benign

0.042

MetaRNN

Uncertain

0.58

MetaSVM

Benign

-0.69

MutationAssessor

Uncertain

2.1

PhyloP100

6.0

PrimateAI

Uncertain

0.60

PROVEAN

Benign

-2.1

REVEL

Uncertain

0.56

Sift

Uncertain

0.012

Sift4G

Benign

0.078

Polyphen

0.0070

Vest4

0.80

MutPred

0.56

Gain of sheet (P = 0.0827);

MVP

0.49

MPC

0.14

ClinPred

0.43

GERP RS

5.3

Varity_R

0.89

gMVP

0.61

Mutation Taster

=40/60

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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9-94571473-T-C

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over