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rs375796852

Variant summary

Our verdict is Likely benign. Variant got -4 ACMG points: 2P and 6B. PM2BP4_StrongBP6_Moderate

The NM_206965.2(FTCD):c.906+8G>A variant causes a splice region, intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000335 in 1,610,046 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 2/2 splice prediction tools predict no significant impact on normal splicing. Variant has been reported in ClinVar as Likely benign (★).

Frequency

Genomes: 𝑓 0.00014 ( 0 hom., cov: 33)
Exomes 𝑓: 0.000023 ( 0 hom. )

Consequence

FTCD
NM_206965.2 splice_region, intron

Scores

2
Splicing: ADA: 0.00003962
2

Clinical Significance

Likely benign criteria provided, single submitter B:1

Conservation

PhyloP100: -0.669
Variant links:
Genes affected
FTCD (HGNC:3974): (formimidoyltransferase cyclodeaminase) The protein encoded by this gene is a bifunctional enzyme that channels 1-carbon units from formiminoglutamate, a metabolite of the histidine degradation pathway, to the folate pool. Mutations in this gene are associated with glutamate formiminotransferase deficiency. Alternatively spliced transcript variants have been found for this gene.[provided by RefSeq, Dec 2009]

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ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -4 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.87).
BP6
Variant 21-46150111-C-T is Benign according to our data. Variant chr21-46150111-C-T is described in ClinVar as [Likely_benign]. Clinvar id is 459969.Status of the report is criteria_provided_single_submitter, 1 stars.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
FTCDNM_206965.2 linkuse as main transcriptc.906+8G>A splice_region_variant, intron_variant ENST00000397746.8
FTCDNM_001320412.2 linkuse as main transcriptc.906+8G>A splice_region_variant, intron_variant
FTCDNM_006657.3 linkuse as main transcriptc.906+8G>A splice_region_variant, intron_variant

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
FTCDENST00000397746.8 linkuse as main transcriptc.906+8G>A splice_region_variant, intron_variant 1 NM_206965.2 P1O95954-1

Frequencies

GnomAD3 genomes
AF:
0.000138
AC:
21
AN:
152232
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.000507
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.00
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000456
AC:
11
AN:
241170
Hom.:
0
AF XY:
0.0000152
AC XY:
2
AN XY:
131814
show subpopulations
Gnomad AFR exome
AF:
0.000679
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.0000557
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000226
AC:
33
AN:
1457814
Hom.:
0
Cov.:
37
AF XY:
0.0000138
AC XY:
10
AN XY:
724982
show subpopulations
Gnomad4 AFR exome
AF:
0.000659
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.0000117
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00000630
Gnomad4 OTH exome
AF:
0.0000499
GnomAD4 genome
AF:
0.000138
AC:
21
AN:
152232
Hom.:
0
Cov.:
33
AF XY:
0.000161
AC XY:
12
AN XY:
74370
show subpopulations
Gnomad4 AFR
AF:
0.000507
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.00
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.000129
Hom.:
0
Bravo
AF:
0.000208

ClinVar

Significance: Likely benign
Submissions summary: Benign:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

Glutamate formiminotransferase deficiency Benign:1
Likely benign, criteria provided, single submitterclinical testingInvitaeAug 28, 2023- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.87
Cadd
Benign
7.5
Dann
Benign
0.79
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.1

Splicing

Name
Calibrated prediction
Score
Prediction
dbscSNV1_ADA
Benign
0.000040
dbscSNV1_RF
Benign
0.010
SpliceAI score (max)
0.10
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: rs375796852; hg19: chr21-47570025; API