Genetic Variant FANCI:p.Val184Phe (chr15-89263907-G-T) – ACMG Classification: Uncertain_significance (2 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 2 ACMG points: 2P and 0B. PM2

The NM_001113378.2(FANCI):c.550G>T(p.Val184Phe) variant causes a missense change. The variant allele was found at a frequency of 0.000000684 in 1,461,740 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. V184L) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 33)

Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

FANCI
NM_001113378.2 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 4.43

Publications

0 publications found

Variant links:

Genes affected

FANCI (HGNC:25568): (FA complementation group I) The Fanconi anemia complementation group (FANC) currently includes FANCA, FANCB, FANCC, FANCD1 (also called BRCA2), FANCD2, FANCE, FANCF, FANCG, FANCI, FANCJ (also called BRIP1), FANCL, FANCM and FANCN (also called PALB2). The previously defined group FANCH is the same as FANCA. Fanconi anemia is a genetically heterogeneous recessive disorder characterized by cytogenetic instability, hypersensitivity to DNA crosslinking agents, increased chromosomal breakage, and defective DNA repair. The members of the Fanconi anemia complementation group do not share sequence similarity; they are related by their assembly into a common nuclear protein complex. This gene encodes the protein for complementation group I. Alternative splicing results in two transcript variants encoding different isoforms. [provided by RefSeq, Jul 2008]

FANCI Gene-Disease associations (from GenCC):

Fanconi anemia complementation group I
Inheritance: AR Classification: DEFINITIVE, STRONG Submitted by: ClinGen, Labcorp Genetics (formerly Invitae), G2P
Fanconi anemia
Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet

FANCI links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
FANCI	NM_001113378.2 link	c.550G>T	p.Val184Phe	missense_variant	Exon 8 of 38	ENST00000310775.12	NP_001106849.1	Q9NVI1-3

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
FANCI	ENST00000310775.12 link	c.550G>T	p.Val184Phe	missense_variant	Exon 8 of 38	1	NM_001113378.2	ENSP00000310842.8		Q9NVI1-3

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

6.84e-7

AC:

AN:

1461740

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

727174

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33478

American (AMR)

AF:

0.00

AC:

AN:

44724

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26128

East Asian (EAS)

AF:

0.00

AC:

AN:

39674

South Asian (SAS)

AF:

0.00

AC:

AN:

86254

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53412

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5766

European-Non Finnish (NFE)

AF:

8.99e-7

AC:

AN:

1111920

Other (OTH)

AF:

0.00

AC:

AN:

60384

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.525

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Uncertain

0.38

BayesDel_addAF

Uncertain

0.16

BayesDel_noAF

Uncertain

-0.010

CADD

Pathogenic

(source)

DANN

Uncertain

1.0

DEOGEN2

Benign

0.089

.;T;T;.;T;T

Eigen

Uncertain

0.56

Eigen_PC

Uncertain

0.54

FATHMM_MKL

Uncertain

0.96

LIST_S2

Uncertain

0.94

D;D;D;D;D;D

M_CAP

Benign

0.027

MetaRNN

Benign

0.39

T;T;T;T;T;T

MetaSVM

Benign

-0.73

MutationAssessor

Uncertain

2.8

M;M;.;M;.;.

PhyloP100

4.4

PrimateAI

Benign

0.43

PROVEAN

Uncertain

-2.4

N;N;D;D;D;N

REVEL

Benign

0.17

Sift

Uncertain

0.0050

D;D;D;D;D;D

Sift4G

Uncertain

0.0030

D;D;D;D;D;D

Polyphen

1.0

D;D;.;.;.;.

Vest4

0.73

MutPred

0.29

Loss of ubiquitination at K182 (P = 0.1139);Loss of ubiquitination at K182 (P = 0.1139);Loss of ubiquitination at K182 (P = 0.1139);Loss of ubiquitination at K182 (P = 0.1139);Loss of ubiquitination at K182 (P = 0.1139);.;

MVP

0.75

MPC

0.033

ClinPred

0.92

GERP RS

4.0

PromoterAI

0.0068

Neutral

(source)

Varity_R

0.62

gMVP

0.66

Mutation Taster

=55/45

polymorphism

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.23

Details are displayed if max score is > 0.2

DS_AG_spliceai

0.23

Position offset: 16

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Computational scores

Splicing

Publications

Other links and lift over