6-30730921-C-A

Variant summary

Our verdict is Uncertain significance. Variant got 2 ACMG points: 2P and 0B. PM2

The NM_005803.4(FLOT1):​c.903G>T​(p.Glu301Asp) variant causes a missense, splice region change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000931 in 1,610,970 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000059 ( 0 hom., cov: 32)
Exomes 𝑓: 0.0000041 ( 0 hom. )

Consequence

FLOT1
NM_005803.4 missense, splice_region

Scores

3
15
Splicing: ADA: 0.9490
1
1

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 1.98
Variant links:
Genes affected
FLOT1 (HGNC:3757): (flotillin 1) This gene encodes an protein that localizes to the caveolae, which are small domains on the inner cell membranes. This protein plays a role in vesicle trafficking and cell morphology. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Jan 2016]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 2 ACMG points.

PM2
Very rare variant in population databases, with high coverage;

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
FLOT1NM_005803.4 linkuse as main transcriptc.903G>T p.Glu301Asp missense_variant, splice_region_variant 9/13 ENST00000376389.8 NP_005794.1 O75955-1Q5ST80

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
FLOT1ENST00000376389.8 linkuse as main transcriptc.903G>T p.Glu301Asp missense_variant, splice_region_variant 9/131 NM_005803.4 ENSP00000365569.3 O75955-1
FLOT1ENST00000413165.5 linkuse as main transcriptc.714G>T p.Glu238Asp missense_variant, splice_region_variant 6/65 ENSP00000395333.1 A2AB09
FLOT1ENST00000487376.5 linkuse as main transcriptn.604G>T non_coding_transcript_exon_variant 4/75

Frequencies

GnomAD3 genomes
AF:
0.0000591
AC:
9
AN:
152228
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.000217
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:
0.00
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000121
AC:
3
AN:
246934
Hom.:
0
AF XY:
0.00
AC XY:
0
AN XY:
133760
show subpopulations
Gnomad AFR exome
AF:
0.000190
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
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
AF:
0.00000411
AC:
6
AN:
1458742
Hom.:
0
Cov.:
32
AF XY:
0.00000138
AC XY:
1
AN XY:
725276
show subpopulations
Gnomad4 AFR exome
AF:
0.000120
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:
9.01e-7
Gnomad4 OTH exome
AF:
0.0000166
GnomAD4 genome
AF:
0.0000591
AC:
9
AN:
152228
Hom.:
0
Cov.:
32
AF XY:
0.0000538
AC XY:
4
AN XY:
74376
show subpopulations
Gnomad4 AFR
AF:
0.000217
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.00
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.0000194
Hom.:
0
Bravo
AF:
0.0000718
ESP6500AA
AF:
0.000228
AC:
1
ESP6500EA
AF:
0.00
AC:
0
ExAC
AF:
0.00000824
AC:
1

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 GeneticsDec 20, 2023The c.903G>T (p.E301D) alteration is located in exon 9 (coding exon 8) of the FLOT1 gene. This alteration results from a G to T substitution at nucleotide position 903, causing the glutamic acid (E) at amino acid position 301 to be replaced by an aspartic acid (D). 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
0.22
BayesDel_addAF
Benign
-0.35
T
BayesDel_noAF
Benign
-0.50
CADD
Uncertain
23
DANN
Uncertain
0.99
DEOGEN2
Benign
0.21
T;T
Eigen
Benign
-0.13
Eigen_PC
Benign
0.027
FATHMM_MKL
Uncertain
0.93
D
M_CAP
Benign
0.0060
T
MetaRNN
Benign
0.14
T;T
MetaSVM
Benign
-1.1
T
MutationAssessor
Benign
1.3
L;.
PrimateAI
Uncertain
0.50
T
PROVEAN
Benign
-0.75
N;N
REVEL
Benign
0.041
Sift
Benign
0.13
T;T
Sift4G
Benign
0.086
T;.
Polyphen
0.0010
B;.
Vest4
0.37
MutPred
0.26
Gain of MoRF binding (P = 0.0654);.;
MVP
0.46
MPC
0.93
ClinPred
0.20
T
GERP RS
4.7
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.7
Varity_R
0.23
gMVP
0.56

Splicing

Name
Calibrated prediction
Score
Prediction
dbscSNV1_ADA
Benign
0.95
dbscSNV1_RF
Pathogenic
0.75
SpliceAI score (max)
0.24
Details are displayed if max score is > 0.2
DS_DL_spliceai
0.24
Position offset: -2

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.

Other links and lift over

dbSNP: rs138717826; hg19: chr6-30698698; API