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GeneBe

2-215325968-A-C

Variant summary

Our verdict is Benign. Variant got -20 ACMG points: 0P and 20B. BP4_StrongBP6_Very_StrongBA1

The NM_004044.7(ATIC):​c.380-19A>C variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 1 in 1,613,760 control chromosomes in the GnomAD database, including 806,700 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★★). There are indicators that this mutation may affect the branch point..

Frequency

Genomes: 𝑓 1.0 ( 76113 hom., cov: 32)
Exomes 𝑓: 1.0 ( 730587 hom. )

Consequence

ATIC
NM_004044.7 intron

Scores

2

Clinical Significance

Benign criteria provided, multiple submitters, no conflicts B:2

Conservation

PhyloP100: -3.93
Variant links:
Genes affected
ATIC (HGNC:794): (5-aminoimidazole-4-carboxamide ribonucleotide formyltransferase/IMP cyclohydrolase) This gene encodes a bifunctional protein that catalyzes the last two steps of the de novo purine biosynthetic pathway. The N-terminal domain has phosphoribosylaminoimidazolecarboxamide formyltransferase activity, and the C-terminal domain has IMP cyclohydrolase activity. A mutation in this gene results in AICA-ribosiduria. [provided by RefSeq, Sep 2009]

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -20 ACMG points.

BP4
This place is a probable branch point but likely benign (scored 1 / 10). Computational evidence support a benign effect (BayesDel_noAF=-0.96).
BP6
Variant 2-215325968-A-C is Benign according to our data. Variant chr2-215325968-A-C is described in ClinVar as [Benign]. Clinvar id is 1192368.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr2-215325968-A-C is described in Lovd as [Benign].
BA1
GnomAd4 highest subpopulation (SAS) allele frequency at 95% confidence interval = 0.994 is higher than 0.05.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
ATICNM_004044.7 linkuse as main transcriptc.380-19A>C intron_variant ENST00000236959.14

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
ATICENST00000236959.14 linkuse as main transcriptc.380-19A>C intron_variant 1 NM_004044.7 P1P31939-1

Frequencies

GnomAD3 genomes
AF:
1.00
AC:
152163
AN:
152212
Hom.:
76057
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.999
Gnomad AMI
AF:
1.00
Gnomad AMR
AF:
1.00
Gnomad ASJ
AF:
1.00
Gnomad EAS
AF:
1.00
Gnomad SAS
AF:
1.00
Gnomad FIN
AF:
1.00
Gnomad MID
AF:
1.00
Gnomad NFE
AF:
1.00
Gnomad OTH
AF:
1.00
GnomAD3 exomes
AF:
1.00
AC:
249769
AN:
249792
Hom.:
124873
AF XY:
1.00
AC XY:
135167
AN XY:
135178
show subpopulations
Gnomad AFR exome
AF:
0.999
Gnomad AMR exome
AF:
1.00
Gnomad ASJ exome
AF:
1.00
Gnomad EAS exome
AF:
1.00
Gnomad SAS exome
AF:
1.00
Gnomad FIN exome
AF:
1.00
Gnomad NFE exome
AF:
1.00
Gnomad OTH exome
AF:
1.00
GnomAD4 exome
AF:
1.00
AC:
1461302
AN:
1461430
Hom.:
730587
Cov.:
43
AF XY:
1.00
AC XY:
726987
AN XY:
727050
show subpopulations
Gnomad4 AFR exome
AF:
0.999
Gnomad4 AMR exome
AF:
1.00
Gnomad4 ASJ exome
AF:
1.00
Gnomad4 EAS exome
AF:
1.00
Gnomad4 SAS exome
AF:
1.00
Gnomad4 FIN exome
AF:
1.00
Gnomad4 NFE exome
AF:
1.00
Gnomad4 OTH exome
AF:
1.00
GnomAD4 genome
AF:
1.00
AC:
152278
AN:
152330
Hom.:
76113
Cov.:
32
AF XY:
1.00
AC XY:
74463
AN XY:
74482
show subpopulations
Gnomad4 AFR
AF:
0.999
Gnomad4 AMR
AF:
1.00
Gnomad4 ASJ
AF:
1.00
Gnomad4 EAS
AF:
1.00
Gnomad4 SAS
AF:
1.00
Gnomad4 FIN
AF:
1.00
Gnomad4 NFE
AF:
1.00
Gnomad4 OTH
AF:
1.00
Alfa
AF:
1.00
Hom.:
13177
Bravo
AF:
1.00
Asia WGS
AF:
0.998
AC:
3472
AN:
3478

ClinVar

Significance: Benign
Submissions summary: Benign:2
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

not provided Benign:1
Benign, criteria provided, single submitterclinical testingInvitaeJan 29, 2024- -
AICA-ribosiduria Benign:1
Benign, criteria provided, single submitterclinical testingGenome-Nilou LabJul 14, 2021- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.96
CADD
Benign
0.026
DANN
Benign
0.36
BranchPoint Hunter
1.0
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.1

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: rs2177737; hg19: chr2-216190691; API