Genetic Variant NM_001113378.2:c.919C>G (chr15-89273413-C-G) – 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.919C>G(p.Pro307Ala) variant causes a missense change. The variant allele was found at a frequency of 0.00000206 in 1,458,038 control chromosomes in the GnomAD database, with no homozygous occurrence. 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. P307S) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 28)

Exomes 𝑓: 0.0000021 ( 0 hom. )

Consequence

FANCI
NM_001113378.2 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 3.83

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.919C>G	p.Pro307Ala	missense_variant	Exon 11 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.919C>G	p.Pro307Ala	missense_variant	Exon 11 of 38	1	NM_001113378.2	ENSP00000310842.8		Q9NVI1-3

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

0.00000206

AC:

AN:

1458038

Hom.:

Cov.:

AF XY:

0.00000276

AC XY:

AN XY:

725552

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33372

American (AMR)

AF:

0.00

AC:

AN:

44642

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26090

East Asian (EAS)

AF:

0.00

AC:

AN:

39634

South Asian (SAS)

AF:

0.00

AC:

AN:

85798

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53374

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5756

European-Non Finnish (NFE)

AF:

0.00000270

AC:

AN:

1109124

Other (OTH)

AF:

0.00

AC:

AN:

60248

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.508

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Variant carriers

<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

Cov.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.10

BayesDel_addAF

Pathogenic

0.25

BayesDel_noAF

Uncertain

0.12

CADD

Benign

(source)

DANN

Uncertain

0.99

DEOGEN2

Uncertain

0.46

.;T

Eigen

Uncertain

0.46

Eigen_PC

Uncertain

0.40

FATHMM_MKL

Pathogenic

0.97

LIST_S2

Benign

0.84

T;T

M_CAP

Benign

0.072

MetaRNN

Uncertain

0.55

D;D

MetaSVM

Uncertain

-0.041

MutationAssessor

Uncertain

2.7

M;M

PhyloP100

3.8

PrimateAI

Uncertain

0.51

PROVEAN

Pathogenic

-5.5

D;D

REVEL

Uncertain

0.50

Sift

Benign

0.057

T;T

Sift4G

Pathogenic

0.0

D;D

Polyphen

0.99

D;D

Vest4

0.52

MutPred

0.43

Gain of helix (P = 0.0893);Gain of helix (P = 0.0893);

MVP

0.87

MPC

0.017

ClinPred

0.98

GERP RS

4.5

Varity_R

0.48

gMVP

0.56

Mutation Taster

=47/53

disease causing

(source)

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

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over