rs2981581

Positions:

• chr10-121592868-G-A

Variant summary

Our verdict is Benign. Variant got -12 ACMG points: 0P and 12B. BP4_Strong BA1

The NM_000141.5(FGFR2):​c.109+841C>T variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0209 in 152,160 control chromosomes in the GnomAD database, including 88 homozygotes. In-silico tool predicts a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

• Frequency: Genomes: 𝑓 0.021 (88 hom., cov: 33)
• Consequence: FGFR2 NM_000141.5 intron
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 0.687

Genes affected

FGFR2 (HGNC:3689): (fibroblast growth factor receptor 2) The protein encoded by this gene is a member of the fibroblast growth factor receptor family, where amino acid sequence is highly conserved between members and throughout evolution. FGFR family members differ from one another in their ligand affinities and tissue distribution. A full-length representative protein consists of an extracellular region, composed of three immunoglobulin-like domains, a single hydrophobic membrane-spanning segment and a cytoplasmic tyrosine kinase domain. The extracellular portion of the protein interacts with fibroblast growth factors, setting in motion a cascade of downstream signals, ultimately influencing mitogenesis and differentiation. This particular family member is a high-affinity receptor for acidic, basic and/or keratinocyte growth factor, depending on the isoform. Mutations in this gene are associated with Crouzon syndrome, Pfeiffer syndrome, Craniosynostosis, Apert syndrome, Jackson-Weiss syndrome, Beare-Stevenson cutis gyrata syndrome, Saethre-Chotzen syndrome, and syndromic craniosynostosis. Multiple alternatively spliced transcript variants encoding different isoforms have been noted for this gene. [provided by RefSeq, Jan 2009]

FGFR2 (HGNC:):

ACMG classification

Verdict is Benign. Variant got -12 ACMG points.

• BP4: Computational evidence support a benign effect (BayesDel_noAF=-0.52).
• BA1: GnomAd4 highest subpopulation (EAS) allele frequency at 95% confidence interval = 0.0594 is higher than 0.05.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
FGFR2	NM_000141.5	c.109+841C>T		intron_variant		ENST00000358487.10	NP_000132.3

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt
FGFR2	ENST00000358487.10	c.109+841C>T		intron_variant		1	NM_000141.5	ENSP00000351276.6
FGFR2	ENST00000457416.7	c.109+841C>T		intron_variant		1		ENSP00000410294.2
FGFR2	ENST00000369056.5	c.109+841C>T		intron_variant		1		ENSP00000358052.1
FGFR2	ENST00000369058.7	c.109+841C>T		intron_variant		1		ENSP00000358054.3
FGFR2	ENST00000613048.4	c.109+841C>T		intron_variant		5		ENSP00000484154.1
FGFR2	ENST00000369061.8	c.109+841C>T		intron_variant		1		ENSP00000358057.4
FGFR2	ENST00000369059.5	c.109+841C>T		intron_variant		5		ENSP00000358055.1
FGFR2	ENST00000360144.7	c.109+841C>T		intron_variant		2		ENSP00000353262.3
FGFR2	ENST00000604236.5	n.109+841C>T		intron_variant		1		ENSP00000474109.1

Frequencies

GnomAD3 genomes AF: 0.0209 AC: 3179 AN: 152042 Hom.: 87 Cov.: 33

Gnomad AFR AF: 0.0594

Gnomad AMI AF: 0.00

Gnomad AMR AF: 0.00707

Gnomad ASJ AF: 0.00

Gnomad EAS AF: 0.0651

Gnomad SAS AF: 0.0429

Gnomad FIN AF: 0.00

Gnomad MID AF: 0.00

Gnomad NFE AF: 0.000544

Gnomad OTH AF: 0.0148

We have no GnomAD4 exomes data on this position. Probably position not covered by the project.

GnomAD4 genome AF: 0.0209 AC: 3183 AN: 152160 Hom.: 88 Cov.: 33 AF XY: 0.0215 AC XY: 1601 AN XY: 74386

Gnomad4 AFR AF: 0.0594

Gnomad4 AMR AF: 0.00700

Gnomad4 ASJ AF: 0.00

Gnomad4 EAS AF: 0.0651

Gnomad4 SAS AF: 0.0430

Gnomad4 FIN AF: 0.00

Gnomad4 NFE AF: 0.000544

Gnomad4 OTH AF: 0.0147

Alfa AF: 0.0117 Hom.: 8

Bravo AF: 0.0224

Asia WGS AF: 0.0510 AC: 178 AN: 3478

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.52
CADD	Benign	13
DANN	Benign	0.91

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

LitVar

Other links and lift over

dbSNP: rs2981581; hg19: chr10-123352382;