13-28015632-C-T

Position:

• chr13-28015632-C-T

Variant summary

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

The NM_004119.3(FLT3):​c.2611G>A​(p.Val871Ile) variant causes a missense change. The variant was absent in control chromosomes in GnomAD project. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

• Frequency: Genomes: not found (cov: 31)
• Consequence: FLT3 NM_004119.3 missense
• Clinical Significance: Uncertain significance criteria provided, single submitter U:1
• Conservation: PhyloP100: 6.13

Genes affected

FLT3 (HGNC:3765): (fms related receptor tyrosine kinase 3) This gene encodes a class III receptor tyrosine kinase that regulates hematopoiesis. This receptor is activated by binding of the fms-related tyrosine kinase 3 ligand to the extracellular domain, which induces homodimer formation in the plasma membrane leading to autophosphorylation of the receptor. The activated receptor kinase subsequently phosphorylates and activates multiple cytoplasmic effector molecules in pathways involved in apoptosis, proliferation, and differentiation of hematopoietic cells in bone marrow. Mutations that result in the constitutive activation of this receptor result in acute myeloid leukemia and acute lymphoblastic leukemia. [provided by RefSeq, Jan 2015]

FLT3 (HGNC:):

ACMG classification

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
FLT3	NM_004119.3	c.2611G>A	p.Val871Ile	missense_variant	21/24	ENST00000241453.12	NP_004110.2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt
FLT3	ENST00000241453.12	c.2611G>A	p.Val871Ile	missense_variant	21/24	1	NM_004119.3	ENSP00000241453.7
FLT3	ENST00000380987.2	n.*523G>A		non_coding_transcript_exon_variant	22/25	1		ENSP00000370374.2
FLT3	ENST00000380987.2	n.*523G>A		3_prime_UTR_variant	22/25	1		ENSP00000370374.2

Frequencies

GnomAD3 genomes Cov.: 31

GnomAD4 exome Cov.: 30

GnomAD4 genome Cov.: 31

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

Submissions by phenotype

not specified Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Ambry Genetics

Jul 14, 2024

The c.2611G>A (p.V871I) alteration is located in exon 21 (coding exon 21) of the FLT3 gene. This alteration results from a G to A substitution at nucleotide position 2611, causing the valine (V) at amino acid position 871 to be replaced by an isoleucine (I). 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	0.16
BayesDel_addAF	Pathogenic	0.18	D
BayesDel_noAF	Uncertain	0.020
CADD	Pathogenic	27
DANN	Uncertain	1.0
DEOGEN2	Uncertain	0.46	T
Eigen	Uncertain	0.63
Eigen_PC	Uncertain	0.66
FATHMM_MKL	Uncertain	0.95	D
LIST_S2	Uncertain	0.92	D
M_CAP	Benign	0.055	D
MetaRNN	Uncertain	0.62	D
MetaSVM	Uncertain	0.51	D
MutationAssessor	Benign	0.51	N
PrimateAI	Uncertain	0.73	T
PROVEAN	Benign	-0.85	N
REVEL	Uncertain	0.64
Sift	Uncertain	0.0040	D
Sift4G	Benign	0.12	T
Polyphen		0.98	D
Vest4		0.52
MutPred		0.77		Gain of catalytic residue at Y874 (P = 0.0017);
MVP		0.83
MPC		0.49
ClinPred		0.78	D
GERP RS		5.7
Varity_R		0.29
gMVP		0.46

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

No publications associated with this variant yet.

Other links and lift over

hg19: chr13-28589769;