Genetic Variant FGF7:p.Cys18Ser (chr15-49424350-G-C) – ACMG Classification: Uncertain_significance (0 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_002009.4(FGF7):c.53G>C(p.Cys18Ser) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000658 in 152,062 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 16/22 in silico tools predict a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. C18Y) has been classified as Uncertain significance.

Frequency

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

Consequence

FGF7
NM_002009.4 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 2.54

Publications

0 publications found

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:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 0 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.18544805).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
FGF7	NM_002009.4 link	c.53G>C	p.Cys18Ser	missense_variant	Exon 2 of 4	ENST00000267843.9	NP_002000.1	P21781-1A0A7U3JVY2
FAM227B	NM_152647.3 link	c.1013-52951C>G		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.53G>C	p.Cys18Ser	missense_variant	Exon 2 of 4	1	NM_002009.4	ENSP00000267843.4		P21781-1
FAM227B	ENST00000299338.11 link	c.1013-52951C>G		intron_variant	Intron 11 of 15	2	NM_152647.3	ENSP00000299338.6		Q96M60-1

Frequencies

GnomAD3 genomes

AF:

0.00000658

AC:

AN:

152062

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:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.0000147

Gnomad OTH

AF:

0.00

GnomAD4 exome

Cov.:

GnomAD4 genome

AF:

0.00000658

AC:

AN:

152062

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

74260

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

41416

American (AMR)

AF:

0.00

AC:

AN:

15238

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3472

East Asian (EAS)

AF:

0.00

AC:

AN:

5188

South Asian (SAS)

AF:

0.00

AC:

AN:

4820

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10604

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.0000147

AC:

AN:

68006

Other (OTH)

AF:

0.00

AC:

AN:

2094

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.525

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.0000712

Hom.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.11

BayesDel_addAF

Benign

-0.20

BayesDel_noAF

Benign

-0.52

CADD

Benign

(source)

DANN

Benign

0.86

DEOGEN2

Uncertain

0.45

T;T;.

Eigen

Benign

-0.45

Eigen_PC

Benign

-0.27

FATHMM_MKL

Uncertain

0.81

LIST_S2

Benign

0.74

.;T;T

M_CAP

Benign

0.0017

MetaRNN

Benign

0.19

T;T;T

MetaSVM

Benign

-0.95

MutationAssessor

Benign

0.69

N;N;N

PhyloP100

2.5

PrimateAI

Benign

0.36

PROVEAN

Benign

-0.84

N;.;N

REVEL

Benign

0.12

Sift

Benign

0.043

D;.;D

Sift4G

Uncertain

0.050

T;T;T

Polyphen

0.0

B;B;.

Vest4

0.22

MutPred

0.69

Gain of sheet (P = 0.0477);Gain of sheet (P = 0.0477);Gain of sheet (P = 0.0477);

MVP

0.27

MPC

1.1

ClinPred

0.14

GERP RS

3.7

Varity_R

0.080

gMVP

0.51

Mutation Taster

=87/13

polymorphism

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.030

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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chr15-49424350-G-C

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over