chr1-92476048-G-A

Position:

chr1-92476048-G-A

Variant summary

Our verdict is Benign. Variant got -7 ACMG points: 0P and 7B. BP4_ModerateBP6BS2

The NM_005263.5(GFI1):c.1250C>T(p.Thr417Met) variant causes a missense change. The variant allele was found at a frequency of 0.000031 in 1,613,998 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 Conflicting classifications of pathogenicity (no stars). Synonymous variant affecting the same amino acid position (i.e. T417T) has been classified as Likely benign.

Frequency

Genomes: 𝑓 0.000072 ( 0 hom., cov: 32)

Exomes 𝑓: 0.000027 ( 0 hom. )

Consequence

GFI1
NM_005263.5 missense

Scores

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:2B:1

Conservation

PhyloP100: 6.49

Variant links:

Genes affected

GFI1 (HGNC:4237): (growth factor independent 1 transcriptional repressor) This gene encodes a nuclear zinc finger protein that functions as a transcriptional repressor. This protein plays a role in diverse developmental contexts, including hematopoiesis and oncogenesis. It functions as part of a complex along with other cofactors to control histone modifications that lead to silencing of the target gene promoters. Mutations in this gene cause autosomal dominant severe congenital neutropenia, and also dominant nonimmune chronic idiopathic neutropenia of adults, which are heterogeneous hematopoietic disorders that cause predispositions to leukemias and infections. Multiple alternatively spliced variants, encoding the same protein, have been identified for this gene. [provided by RefSeq, Jul 2008]

GFI1 links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -7 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.25525358).

BP6

Variant 1-92476048-G-A is Benign according to our data. Variant chr1-92476048-G-A is described in ClinVar as [Conflicting_classifications_of_pathogenicity]. Clinvar id is 801501.We mark this variant Likely_benign, oryginal submissions are: {Likely_benign=1, Uncertain_significance=2}.

BS2

High AC in GnomAd4 at 11 AD gene.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
GFI1	NM_005263.5 linkuse as main transcript	c.1250C>T	p.Thr417Met	missense_variant	7/7	ENST00000294702.6	NP_005254.2	Q99684

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	UniProt
GFI1	ENST00000294702.6 linkuse as main transcript	c.1250C>T	p.Thr417Met	missense_variant	7/7	2	NM_005263.5	ENSP00000294702.5	Q99684
GFI1	ENST00000370332.5 linkuse as main transcript	c.1250C>T	p.Thr417Met	missense_variant	7/7	1		ENSP00000359357.1	Q99684
GFI1	ENST00000427103.6 linkuse as main transcript	c.1250C>T	p.Thr417Met	missense_variant	7/7	1		ENSP00000399719.1	Q99684
GFI1	ENST00000696667.1 linkuse as main transcript	c.298C>T	p.Arg100Cys	missense_variant	2/2			ENSP00000512792.1	A0A8Q3SIQ6

Frequencies

GnomAD3 genomes

AF:

0.0000723

AC:

AN:

152214

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000482

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000327

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:

0.0000588

Gnomad OTH

AF:

0.00

GnomAD3 exomes

AF:

0.0000598

AC:

AN:

251014

Hom.:

AF XY:

0.0000516

AC XY:

AN XY:

135712

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.000319

Gnomad ASJ exome

AF:

0.0000994

Gnomad EAS exome

AF:

0.00

Gnomad SAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.0000463

Gnomad NFE exome

AF:

0.0000176

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000267

AC:

AN:

1461784

Hom.:

Cov.:

AF XY:

0.0000303

AC XY:

AN XY:

727176

show subpopulations

Gnomad4 AFR exome

AF:

0.000119

Gnomad4 AMR exome

AF:

0.000291

Gnomad4 ASJ exome

AF:

0.0000383

Gnomad4 EAS exome

AF:

0.000101

Gnomad4 SAS exome

AF:

0.00

Gnomad4 FIN exome

AF:

0.0000187

Gnomad4 NFE exome

AF:

0.0000135

Gnomad4 OTH exome

AF:

0.0000166

GnomAD4 genome

AF:

0.0000723

AC:

AN:

152214

Hom.:

Cov.:

AF XY:

0.0000403

AC XY:

AN XY:

74368

show subpopulations

Gnomad4 AFR

AF:

0.0000482

Gnomad4 AMR

AF:

0.000327

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.00

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.0000588

Gnomad4 OTH

AF:

0.00

Alfa

AF:

0.0000868

Hom.:

Bravo

AF:

0.0000793

ExAC

AF:

0.0000494

AC:

ClinVar

Significance: Conflicting classifications of pathogenicity

Submissions summary: Uncertain:2Benign:1

Revision: criteria provided, conflicting classifications

LINK: link

Submissions by phenotype

Neutropenia, severe congenital, 2, autosomal dominant

Uncertain:1Benign:1

Likely benign, criteria provided, single submitter	clinical testing	Mendelics	May 28, 2019	- -
Uncertain significance, criteria provided, single submitter	clinical testing	Labcorp Genetics (formerly Invitae), Labcorp	Jan 29, 2024	This sequence change replaces threonine, which is neutral and polar, with methionine, which is neutral and non-polar, at codon 417 of the GFI1 protein (p.Thr417Met). This variant is present in population databases (rs777241871, gnomAD 0.03%), and has an allele count higher than expected for a pathogenic variant. This variant has not been reported in the literature in individuals affected with GFI1-related conditions. ClinVar contains an entry for this variant (Variation ID: 801501). Advanced modeling of protein sequence and biophysical properties (such as structural, functional, and spatial information, amino acid conservation, physicochemical variation, residue mobility, and thermodynamic stability) performed at Invitae indicates that this missense variant is expected to disrupt GFI1 protein function with a positive predictive value of 80%. In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance. -

not specified

Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Ambry Genetics

Aug 28, 2021

The c.1250C>T (p.T417M) alteration is located in exon 7 (coding exon 6) of the GFI1 gene. This alteration results from a C to T substitution at nucleotide position 1250, causing the threonine (T) at amino acid position 417 to be replaced by a methionine (M). 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

0.29

BayesDel_addAF

Benign

-0.36

BayesDel_noAF

Benign

-0.46

CADD

Uncertain

DANN

Uncertain

0.99

DEOGEN2

Benign

0.31

T;T;T

Eigen

Uncertain

0.22

Eigen_PC

Uncertain

0.31

FATHMM_MKL

Uncertain

0.95

LIST_S2

Benign

0.83

.;T;.

M_CAP

Benign

0.022

MetaRNN

Benign

0.26

T;T;T

MetaSVM

Benign

-1.1

MutationAssessor

Benign

1.8

L;L;L

PrimateAI

Pathogenic

0.81

PROVEAN

Pathogenic

-4.7

D;D;D

REVEL

Benign

0.13

Sift

Uncertain

0.017

D;D;D

Sift4G

Pathogenic

0.0010

D;D;D

Polyphen

0.48

P;P;P

Vest4

0.39

MutPred

0.42

Loss of phosphorylation at T417 (P = 0.0238);Loss of phosphorylation at T417 (P = 0.0238);Loss of phosphorylation at T417 (P = 0.0238);

MVP

0.57

MPC

1.6

ClinPred

0.54

GERP RS

4.6

Varity_R

0.24

gMVP

0.34

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

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