Genetic Variant FGF7:p.Cys23Phe (chr15-49424365-G-T) – ACMG Classification: Uncertain_significance (0 pts)

Variant summary

Our verdict is Uncertain significance. Variant got 0 ACMG points: 0P and 0B.

The NM_002009.4(FGF7):c.68G>T(p.Cys23Phe) variant causes a missense change. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 32)

Exomes 𝑓: 0.0 ( 0 hom. )

Failed GnomAD Quality Control

Consequence

FGF7
NM_002009.4 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 6.54

Variant links:

Genes affected

FGF7 (HGNC:3685): (fibroblast growth factor 7) The protein encoded by this gene is a member of the fibroblast growth factor (FGF) family. FGF family members possess broad mitogenic and cell survival activities, and are involved in a variety of biological processes, including embryonic development, cell growth, morphogenesis, tissue repair, tumor growth and invasion. This protein is a potent epithelial cell-specific growth factor, whose mitogenic activity is predominantly exhibited in keratinocytes but not in fibroblasts and endothelial cells. Studies of mouse and rat homologs of this gene implicated roles in morphogenesis of epithelium, reepithelialization of wounds, hair development and early lung organogenesis. [provided by RefSeq, Jul 2008]

FGF7 links:

FAM227B (HGNC:26543): (family with sequence similarity 227 member B)

FAM227B links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 0 ACMG points.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
FGF7	NM_002009.4 link	c.68G>T	p.Cys23Phe	missense_variant	Exon 2 of 4	ENST00000267843.9	NP_002000.1	P21781-1A0A7U3JVY2
FAM227B	NM_152647.3 link	c.1013-52966C>A		intron_variant	Intron 11 of 15	ENST00000299338.11	NP_689860.2	Q96M60-1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
FGF7	ENST00000267843.9 link	c.68G>T	p.Cys23Phe	missense_variant	Exon 2 of 4	1	NM_002009.4	ENSP00000267843.4		P21781-1
FAM227B	ENST00000299338.11 link	c.1013-52966C>A		intron_variant	Intron 11 of 15	2	NM_152647.3	ENSP00000299338.6		Q96M60-1

Frequencies

GnomAD3 genomes

AF:

0.00000658

AC:

AN:

152066

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.000193

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

GnomAD3 exomes

AF:

0.00000399

AC:

AN:

250858

Hom.:

AF XY:

0.00000738

AC XY:

AN XY:

135542

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.0000544

Gnomad SAS 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:

1461496

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

727064

Gnomad4 AFR exome

AF:

0.00

Gnomad4 AMR exome

AF:

0.00

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.00

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

Data not reliable, filtered out with message: AS_VQSR

AF:

0.00000658

AC:

AN:

152066

Hom.:

Cov.:

AF XY:

0.0000135

AC XY:

AN XY:

74288

show subpopulations

Gnomad4 AFR

AF:

0.00

Gnomad4 AMR

AF:

0.00

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.000193

Gnomad4 SAS

AF:

0.00

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.00

Gnomad4 OTH

AF:

0.00

ExAC

AF:

0.00000824

AC:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Mar 30, 2024

Ambry Genetics

Significance: Uncertain significance

Review Status: criteria provided, single submitter

Collection Method: clinical testing

The c.68G>T (p.C23F) alteration is located in exon 2 (coding exon 1) of the FGF7 gene. This alteration results from a G to T substitution at nucleotide position 68, causing the cysteine (C) at amino acid position 23 to be replaced by a phenylalanine (F). 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

0.057

BayesDel_addAF

Benign

-0.31

BayesDel_noAF

Benign

-0.51

CADD

Uncertain

DANN

Benign

0.86

DEOGEN2

Benign

0.34

T;T;.

Eigen

Benign

0.037

Eigen_PC

Uncertain

0.24

FATHMM_MKL

Benign

0.75

LIST_S2

Benign

0.71

.;T;T

M_CAP

Benign

0.00044

MetaRNN

Benign

0.097

T;T;T

MetaSVM

Benign

-1.1

MutationAssessor

Benign

-1.0

N;N;N

PrimateAI

Uncertain

0.49

PROVEAN

Benign

0.58

N;.;N

REVEL

Benign

0.087

Sift

Benign

0.80

T;.;T

Sift4G

Benign

0.34

T;T;T

Polyphen

0.0

B;B;.

Vest4

0.19

MutPred

0.70

Loss of loop (P = 0.0112);Loss of loop (P = 0.0112);Loss of loop (P = 0.0112);

MVP

0.20

MPC

1.3

ClinPred

0.17

GERP RS

5.7

Varity_R

0.23

gMVP

0.65

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.41

Details are displayed if max score is > 0.2

DS_AG_spliceai

0.41

Position offset: 6

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

Publications

LitVar

Below is the list of publications found by LitVar. It may be empty.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over