chr16-89771722-G-C

Variant summary

Our verdict is Uncertain significance. Variant got 1 ACMG points: 2P and 1B. PM2BP4

The NM_000135.4(FANCA):ā€‹c.2107C>Gā€‹(p.Gln703Glu) variant causes a missense change. The variant allele was found at a frequency of 0.000000684 in 1,461,854 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. Q703H) has been classified as Likely benign.

Frequency

Genomes: not found (cov: 33)
Exomes š‘“: 6.8e-7 ( 0 hom. )

Consequence

FANCA
NM_000135.4 missense

Scores

6
13

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 3.87
Variant links:
Genes affected
FANCA (HGNC:3582): (FA complementation group A) 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 A. Alternative splicing results in multiple transcript variants encoding different isoforms. Mutations in this gene are the most common cause of Fanconi anemia. [provided by RefSeq, Jul 2008]

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ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 1 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.36080196).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
FANCANM_000135.4 linkuse as main transcriptc.2107C>G p.Gln703Glu missense_variant 23/43 ENST00000389301.8
FANCANM_001286167.3 linkuse as main transcriptc.2107C>G p.Gln703Glu missense_variant 23/43

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
FANCAENST00000389301.8 linkuse as main transcriptc.2107C>G p.Gln703Glu missense_variant 23/431 NM_000135.4 P1O15360-1

Frequencies

GnomAD3 genomes
Cov.:
33
GnomAD4 exome
AF:
6.84e-7
AC:
1
AN:
1461854
Hom.:
0
Cov.:
34
AF XY:
0.00
AC XY:
0
AN XY:
727222
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.0000252
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
Cov.:
33
Alfa
AF:
0.0000936
Hom.:
0
Bravo
AF:
0.00000756

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.092
BayesDel_addAF
Benign
-0.026
T
BayesDel_noAF
Benign
-0.27
CADD
Benign
18
DANN
Uncertain
0.98
DEOGEN2
Benign
0.24
T;.
Eigen
Benign
0.0080
Eigen_PC
Benign
-0.089
FATHMM_MKL
Uncertain
0.91
D
LIST_S2
Benign
0.47
T;T
M_CAP
Uncertain
0.12
D
MetaRNN
Benign
0.36
T;T
MetaSVM
Uncertain
-0.096
T
MutationAssessor
Uncertain
2.5
M;M
MutationTaster
Benign
0.97
N;N
PrimateAI
Benign
0.30
T
PROVEAN
Benign
-1.1
N;N
REVEL
Uncertain
0.33
Sift
Benign
0.15
T;T
Sift4G
Benign
0.18
T;T
Polyphen
0.84
P;.
Vest4
0.27
MutPred
0.41
Gain of disorder (P = 0.0624);Gain of disorder (P = 0.0624);
MVP
0.97
ClinPred
0.29
T
GERP RS
3.5
RBP_binding_hub_radar
0.97
RBP_regulation_power_radar
2.0
Varity_R
0.070
gMVP
0.094

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.

Other links and lift over

dbSNP: rs1555548512; hg19: chr16-89838130; API