rs56234888

Variant summary

Our verdict is Benign. The variant received -19 ACMG points: 1P and 20B. PP2BP4_StrongBP6_Very_StrongBS1BS2

The NM_023110.3(FGFR1):​c.2314C>T​(p.Pro772Ser) variant causes a missense change. The variant allele was found at a frequency of 0.00224 in 1,614,080 control chromosomes in the GnomAD database, including 83 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. P772T) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.012 ( 45 hom., cov: 32)
Exomes 𝑓: 0.0012 ( 38 hom. )

Consequence

FGFR1
NM_023110.3 missense

Scores

1
8
9

Clinical Significance

Benign/Likely benign criteria provided, multiple submitters, no conflicts B:15

Conservation

PhyloP100: 4.90

Publications

24 publications found
Variant links:
Genes affected
FGFR1 (HGNC:3688): (fibroblast growth factor receptor 1) The protein encoded by this gene is a member of the fibroblast growth factor receptor (FGFR) 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 binds both acidic and basic fibroblast growth factors and is involved in limb induction. Mutations in this gene have been associated with Pfeiffer syndrome, Jackson-Weiss syndrome, Antley-Bixler syndrome, osteoglophonic dysplasia, and autosomal dominant Kallmann syndrome 2. Chromosomal aberrations involving this gene are associated with stem cell myeloproliferative disorder and stem cell leukemia lymphoma syndrome. Alternatively spliced variants which encode different protein isoforms have been described; however, not all variants have been fully characterized. [provided by RefSeq, Jul 2008]
FGFR1 Gene-Disease associations (from GenCC):
  • encephalocraniocutaneous lipomatosis
    Inheritance: AD Classification: DEFINITIVE Submitted by: G2P
  • Hartsfield-Bixler-Demyer syndrome
    Inheritance: AD Classification: DEFINITIVE, STRONG, MODERATE, SUPPORTIVE Submitted by: Orphanet, Ambry Genetics, G2P, ClinGen
  • hypogonadotropic hypogonadism 2 with or without anosmia
    Inheritance: AD Classification: DEFINITIVE, STRONG Submitted by: G2P, Ambry Genetics, Labcorp Genetics (formerly Invitae)
  • osteoglophonic dysplasia
    Inheritance: AD Classification: DEFINITIVE, STRONG, MODERATE, SUPPORTIVE, LIMITED Submitted by: Orphanet, ClinGen, Ambry Genetics, G2P, Labcorp Genetics (formerly Invitae), Genomics England PanelApp
  • Pfeiffer syndrome
    Inheritance: AD Classification: DEFINITIVE, STRONG Submitted by: PanelApp Australia, G2P, Genomics England PanelApp, Labcorp Genetics (formerly Invitae)
  • Pfeiffer syndrome type 1
    Inheritance: AD Classification: DEFINITIVE, SUPPORTIVE Submitted by: Orphanet, ClinGen
  • Jackson-Weiss syndrome
    Inheritance: AD Classification: STRONG Submitted by: Genomics England PanelApp
  • hypogonadotropic hypogonadism
    Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
  • isolated trigonocephaly
    Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
  • Kallmann syndrome
    Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
  • septooptic dysplasia
    Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
  • tooth agenesis
    Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
  • holoprosencephaly
    Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -19 ACMG points.

PP2
Missense variant in the FGFR1 gene, where missense mutations are typically associated with disease (based on misZ statistic). The gene has 93 curated pathogenic missense variants (we use a threshold of 10). The gene has 28 curated benign missense variants. Gene score misZ: 2.4852 (below the threshold of 3.09). Trascript score misZ: 4.2642 (above the threshold of 3.09). GenCC associations: The gene is linked to Hartsfield-Bixler-Demyer syndrome, Pfeiffer syndrome type 1, encephalocraniocutaneous lipomatosis, hypogonadotropic hypogonadism 2 with or without anosmia, osteoglophonic dysplasia, isolated trigonocephaly, septooptic dysplasia, Pfeiffer syndrome, tooth agenesis, hypogonadotropic hypogonadism, Kallmann syndrome, holoprosencephaly, Jackson-Weiss syndrome.
BP4
Computational evidence support a benign effect (MetaRNN=0.00591293).
BP6
Variant 8-38413783-G-A is Benign according to our data. Variant chr8-38413783-G-A is described in ClinVar as Benign/Likely_benign. ClinVar VariationId is 194891.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BS1
Variant frequency is greater than expected in population afr. GnomAd4 allele frequency = 0.0121 (1837/152232) while in subpopulation AFR AF = 0.0421 (1750/41542). AF 95% confidence interval is 0.0405. There are 45 homozygotes in GnomAd4. There are 846 alleles in the male GnomAd4 subpopulation. Median coverage is 32. This position passed quality control check.
BS2
High Homozygotes in GnomAd4 at 45 AD,AR gene

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
FGFR1NM_023110.3 linkc.2314C>T p.Pro772Ser missense_variant Exon 18 of 18 ENST00000447712.7 NP_075598.2

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
FGFR1ENST00000447712.7 linkc.2314C>T p.Pro772Ser missense_variant Exon 18 of 18 1 NM_023110.3 ENSP00000400162.2
FGFR1ENST00000397091.9 linkc.2308C>T p.Pro770Ser missense_variant Exon 18 of 18 1 ENSP00000380280.5
FGFR1ENST00000397108.8 linkc.2308C>T p.Pro770Ser missense_variant Exon 19 of 19 1 ENSP00000380297.4
FGFR1ENST00000397113.6 linkc.2308C>T p.Pro770Ser missense_variant Exon 18 of 18 2 ENSP00000380302.2
FGFR1ENST00000356207.9 linkc.2047C>T p.Pro683Ser missense_variant Exon 17 of 17 1 ENSP00000348537.5
FGFR1ENST00000397103.5 linkc.2047C>T p.Pro683Ser missense_variant Exon 16 of 16 5 ENSP00000380292.1
FGFR1ENST00000326324.10 linkc.2041C>T p.Pro681Ser missense_variant Exon 17 of 17 1 ENSP00000327229.6

Frequencies

GnomAD3 genomes
AF:
0.0121
AC:
1835
AN:
152114
Hom.:
45
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0422
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00360
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:
0.000191
Gnomad OTH
AF:
0.00908
GnomAD2 exomes
AF:
0.00312
AC:
777
AN:
249124
AF XY:
0.00226
show subpopulations
Gnomad AFR exome
AF:
0.0453
Gnomad AMR exome
AF:
0.00162
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.000142
Gnomad OTH exome
AF:
0.000992
GnomAD4 exome
AF:
0.00122
AC:
1780
AN:
1461848
Hom.:
38
Cov.:
32
AF XY:
0.00101
AC XY:
737
AN XY:
727226
show subpopulations
African (AFR)
AF:
0.0433
AC:
1450
AN:
33480
American (AMR)
AF:
0.00186
AC:
83
AN:
44722
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
26130
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39700
South Asian (SAS)
AF:
0.0000696
AC:
6
AN:
86252
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
53406
Middle Eastern (MID)
AF:
0.00191
AC:
11
AN:
5766
European-Non Finnish (NFE)
AF:
0.0000450
AC:
50
AN:
1112000
Other (OTH)
AF:
0.00298
AC:
180
AN:
60392
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.474
Heterozygous variant carriers
0
111
223
334
446
557
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Exome Hom
Variant carriers
0
50
100
150
200
250
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
GnomAD4 genome
AF:
0.0121
AC:
1837
AN:
152232
Hom.:
45
Cov.:
32
AF XY:
0.0114
AC XY:
846
AN XY:
74420
show subpopulations
African (AFR)
AF:
0.0421
AC:
1750
AN:
41542
American (AMR)
AF:
0.00360
AC:
55
AN:
15296
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3472
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5166
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4830
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10628
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
294
European-Non Finnish (NFE)
AF:
0.000191
AC:
13
AN:
67978
Other (OTH)
AF:
0.00899
AC:
19
AN:
2114
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.503
Heterozygous variant carriers
0
83
166
249
332
415
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Genome Hom
Variant carriers
0
22
44
66
88
110
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
Alfa
AF:
0.00409
Hom.:
23
Bravo
AF:
0.0141
ESP6500AA
AF:
0.0417
AC:
171
ESP6500EA
AF:
0.000238
AC:
2
ExAC
AF:
0.00383
AC:
464
Asia WGS
AF:
0.00318
AC:
11
AN:
3478
EpiCase
AF:
0.000164
EpiControl
AF:
0.000119

ClinVar

Significance: Benign/Likely benign
Submissions summary: Benign:15
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

not specified Benign:5
Feb 26, 2015
Eurofins Ntd Llc (ga)
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Mar 25, 2020
Al Jalila Children’s Genomics Center, Al Jalila Childrens Speciality Hospital
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

-
Clinical Genetics, Academic Medical Center
Significance:Benign
Review Status:no assertion criteria provided
Collection Method:clinical testing

- -

-
Genome Diagnostics Laboratory, University Medical Center Utrecht
Significance:Benign
Review Status:no assertion criteria provided
Collection Method:clinical testing

- -

Aug 31, 2015
GeneDx
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

This variant is considered likely benign or benign based on one or more of the following criteria: it is a conservative change, it occurs at a poorly conserved position in the protein, it is predicted to be benign by multiple in silico algorithms, and/or has population frequency not consistent with disease. -

not provided Benign:4
Apr 25, 2016
Center for Pediatric Genomic Medicine, Children's Mercy Hospital and Clinics
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

May 01, 2025
CeGaT Center for Human Genetics Tuebingen
Significance:Likely benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

FGFR1: PM5, BS1, BS2 -

Oct 16, 2023
ARUP Laboratories, Molecular Genetics and Genomics, ARUP Laboratories
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

-
Breakthrough Genomics, Breakthrough Genomics
Significance:Likely benign
Review Status:criteria provided, single submitter
Collection Method:not provided

- -

Hypogonadotropic hypogonadism 2 with or without anosmia Benign:2
May 31, 2018
SIB Swiss Institute of Bioinformatics
Significance:Likely benign
Review Status:criteria provided, single submitter
Collection Method:curation

This variant is interpreted as a Likely Benign, for hypogonadotropic hypogonadism 2 with or without anosmia, in Autosomal Dominant manner. The following ACMG Tag(s) were applied: BS1 => Allele frequency is greater than expected for disorder. BS2-Supporting => BS2 downgraded in strength to supporting. -

Apr 27, 2017
Illumina Laboratory Services, Illumina
Significance:Likely benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

This variant was observed as part of a predisposition screen in an ostensibly healthy population. A literature search was performed for the gene, cDNA change, and amino acid change (where applicable). Publications were found based on this search. The evidence from the literature, in combination with allele frequency data from public databases where available, was sufficient to determine this variant is unlikely to cause disease. Therefore, this variant is classified as likely benign. -

Trigonocephaly 1 Benign:1
Apr 27, 2017
Illumina Laboratory Services, Illumina
Significance:Likely benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

This variant was observed as part of a predisposition screen in an ostensibly healthy population. A literature search was performed for the gene, cDNA change, and amino acid change (where applicable). No publications were found based on this search. Allele frequency data from public databases allowed determination this variant is unlikely to cause disease. Therefore, this variant is classified as likely benign. -

Osteoglophonic dysplasia Benign:1
Apr 27, 2017
Illumina Laboratory Services, Illumina
Significance:Likely benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

This variant was observed as part of a predisposition screen in an ostensibly healthy population. A literature search was performed for the gene, cDNA change, and amino acid change (where applicable). No publications were found based on this search. Allele frequency data from public databases allowed determination this variant is unlikely to cause disease. Therefore, this variant is classified as likely benign. -

Pfeiffer syndrome;C1563720:Hypogonadotropic hypogonadism 2 with or without anosmia Benign:1
Jan 30, 2025
Labcorp Genetics (formerly Invitae), Labcorp
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Craniosynostosis syndrome Benign:1
Apr 27, 2017
Illumina Laboratory Services, Illumina
Significance:Likely benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

This variant was observed as part of a predisposition screen in an ostensibly healthy population. A literature search was performed for the gene, cDNA change, and amino acid change (where applicable). No publications were found based on this search. Allele frequency data from public databases allowed determination this variant is unlikely to cause disease. Therefore, this variant is classified as likely benign. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.11
BayesDel_addAF
Benign
-0.27
T
BayesDel_noAF
Benign
-0.12
CADD
Uncertain
24
DANN
Uncertain
1.0
DEOGEN2
Pathogenic
0.88
.;.;D;.;.;.;.;.;T;.
Eigen
Uncertain
0.19
Eigen_PC
Uncertain
0.34
FATHMM_MKL
Uncertain
0.88
D
LIST_S2
Uncertain
0.94
D;.;D;D;.;D;D;D;D;D
MetaRNN
Benign
0.0059
T;T;T;T;T;T;T;T;T;T
MetaSVM
Benign
-0.45
T
MutationAssessor
Benign
1.7
.;.;L;.;.;.;.;.;.;.
PhyloP100
4.9
PrimateAI
Uncertain
0.64
T
PROVEAN
Uncertain
-4.3
D;D;D;D;D;D;D;D;D;D
REVEL
Uncertain
0.42
Sift
Benign
0.083
T;T;T;T;T;T;T;T;T;T
Sift4G
Benign
0.094
T;T;T;T;T;T;T;T;T;T
Polyphen
0.42, 0.56, 0.16
.;.;B;P;.;.;B;B;.;.
Vest4
0.14
MVP
0.61
MPC
1.1
ClinPred
0.041
T
GERP RS
5.5
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.7
Varity_R
0.45
gMVP
0.55
Mutation Taster
=95/5
polymorphism

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

Other links and lift over

dbSNP: rs56234888; hg19: chr8-38271301; COSMIC: COSV58339882; COSMIC: COSV58339882; API