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chr4-15936129-C-T

Variant summary

Our verdict is Likely benign. Variant got -2 ACMG points: 2P and 4B. PM2BP4_Strong

The NM_005130.5(FGFBP1):​c.504G>A​(p.Met168Ile) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000684 in 1,461,746 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 15/21 in silico tools predict a benign 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

FGFBP1
NM_005130.5 missense

Scores

19

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: -2.10
Variant links:
Genes affected
FGFBP1 (HGNC:19695): (fibroblast growth factor binding protein 1) This gene encodes a secreted fibroblast growth factor carrier protein. The encoded protein plays a critical role in cell proliferation, differentiation and migration by binding to fibroblast growth factors and potentiating their biological effects on target cells. The encoded protein may also play a role in tumor growth as an angiogenic switch molecule, and expression of this gene has been associated with several types of cancer including pancreatic and colorectal adenocarcinoma. A pseudogene of this gene is also located on the short arm of chromosome 4. [provided by RefSeq, Nov 2011]

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ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -2 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.028150529).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
FGFBP1NM_005130.5 linkuse as main transcriptc.504G>A p.Met168Ile missense_variant 3/3 ENST00000382333.2

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
FGFBP1ENST00000382333.2 linkuse as main transcriptc.504G>A p.Met168Ile missense_variant 3/33 NM_005130.5 P1

Frequencies

GnomAD3 genomes
Cov.:
32
GnomAD4 exome
AF:
6.84e-7
AC:
1
AN:
1461746
Hom.:
0
Cov.:
34
AF XY:
0.00
AC XY:
0
AN XY:
727156
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.0000252
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
Cov.:
32

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

not specified Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingAmbry GeneticsSep 13, 2023The c.504G>A (p.M168I) alteration is located in exon 2 (coding exon 1) of the FGFBP1 gene. This alteration results from a G to A substitution at nucleotide position 504, causing the methionine (M) at amino acid position 168 to be replaced by an isoleucine (I). 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
0.11
BayesDel_addAF
Benign
-0.42
T
BayesDel_noAF
Benign
-0.84
CADD
Benign
0.042
DANN
Benign
0.72
DEOGEN2
Benign
0.0055
T
Eigen
Benign
-1.8
Eigen_PC
Benign
-1.9
FATHMM_MKL
Benign
0.041
N
LIST_S2
Benign
0.33
T
M_CAP
Benign
0.0027
T
MetaRNN
Benign
0.028
T
MetaSVM
Benign
-1.0
T
MutationAssessor
Benign
0.69
N
MutationTaster
Benign
1.0
N;N
PrimateAI
Benign
0.24
T
PROVEAN
Benign
-0.32
N
REVEL
Benign
0.0020
Sift
Benign
0.46
T
Sift4G
Benign
0.58
T
Polyphen
0.0070
B
Vest4
0.052
MutPred
0.30
Gain of glycosylation at S169 (P = 0.0039);
MVP
0.18
MPC
0.012
ClinPred
0.091
T
GERP RS
-10
Varity_R
0.057
gMVP
0.14

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

No publications associated with this variant yet.

Other links and lift over

hg19: chr4-15937752; COSMIC: COSV105012616; API