Genetic Variant FBP1:p.Glu30Lys (chr9-94639223-C-T) – ACMG Classification: Uncertain_significance (4 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 4 ACMG points: 4P and 0B. PM2PP3_Moderate

The NM_000507.4(FBP1):c.88G>A(p.Glu30Lys) variant causes a missense change involving the alteration of a conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a pathogenic outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: not found (cov: 33)

Exomes 𝑓: 0.0 ( 0 hom. )

Failed GnomAD Quality Control

Consequence

FBP1
NM_000507.4 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 7.88

Publications

6 publications found

Variant links:

Genes affected

FBP1 (HGNC:3606): (fructose-bisphosphatase 1) Fructose-1,6-bisphosphatase 1, a gluconeogenesis regulatory enzyme, catalyzes the hydrolysis of fructose 1,6-bisphosphate to fructose 6-phosphate and inorganic phosphate. Fructose-1,6-diphosphatase deficiency is associated with hypoglycemia and metabolic acidosis. [provided by RefSeq, Jul 2008]

FBP1 Gene-Disease associations (from GenCC):

fructose-1,6-bisphosphatase deficiency
Inheritance: AR Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: Labcorp Genetics (formerly Invitae), G2P, PanelApp Australia, Genomics England PanelApp, Orphanet

FBP1 links:

ENSG00000299469 (HGNC:):

ENSG00000299469 links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 4 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

PP3

MetaRNN computational evidence supports a deleterious effect, 0.894

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_000507.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Selected	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	FBP1	NM_000507.4	MANE Select	c.88G>A	p.Glu30Lys	missense	Exon 1 of 7	NP_000498.2
	FBP1	NM_001127628.2		c.88G>A	p.Glu30Lys	missense	Exon 2 of 8	NP_001121100.1

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein
FBP1	ENST00000375326.9	TSL:1 MANE Select	c.88G>A	p.Glu30Lys	missense	Exon 1 of 7	ENSP00000364475.5
FBP1	ENST00000415431.5	TSL:2	c.88G>A	p.Glu30Lys	missense	Exon 2 of 8	ENSP00000408025.1
FBP1	ENST00000682520.1		n.88G>A		non_coding_transcript_exon	Exon 1 of 7	ENSP00000507547.1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD2 exomes

AF:

0.00

AC:

AN:

218180

AF XY:

0.00

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

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

Data not reliable, filtered out with message: AC0

AF:

0.00

AC:

AN:

1446924

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

718510

African (AFR)

AF:

0.00

AC:

AN:

33198

American (AMR)

AF:

0.00

AC:

AN:

42282

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

25790

East Asian (EAS)

AF:

0.00

AC:

AN:

38846

South Asian (SAS)

AF:

0.00

AC:

AN:

83832

European-Finnish (FIN)

AF:

0.00

AC:

AN:

52092

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5744

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1105336

Other (OTH)

AF:

0.00

AC:

AN:

59804

GnomAD4 genome

Cov.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Pathogenic

0.79

BayesDel_addAF

Pathogenic

0.25

BayesDel_noAF

Uncertain

0.12

CADD

Uncertain

(source)

DANN

Pathogenic

1.0

DEOGEN2

Uncertain

0.68

Eigen

Uncertain

0.48

Eigen_PC

Uncertain

0.51

FATHMM_MKL

Benign

0.65

LIST_S2

Pathogenic

0.98

M_CAP

Uncertain

0.13

MetaRNN

Pathogenic

0.89

MetaSVM

Uncertain

-0.12

MutationAssessor

Pathogenic

3.5

PhyloP100

7.9

PrimateAI

Uncertain

0.64

PROVEAN

Uncertain

-2.9

REVEL

Uncertain

0.64

Sift

Uncertain

0.0080

Sift4G

Uncertain

0.0050

Polyphen

0.78

Vest4

0.68

MutPred

0.71

Gain of MoRF binding (P = 9e-04)

MVP

0.89

MPC

0.50

ClinPred

0.99

GERP RS

4.7

PromoterAI

0.050

Neutral

(source)

Varity_R

0.85

gMVP

0.95

Mutation Taster

=38/62

disease causing

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.020

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

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

ClinVar

Computational scores

Splicing

Publications

Other links and lift over