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21-46136999-G-A

Variant summary

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

The ENST00000397748.5(FTCD):c.1594C>T(p.Pro532Ser) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000145 in 1,613,416 control chromosomes in the GnomAD database, including 1 homozygotes. In-silico tool predicts a benign outcome for this variant. 12/16 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. P532L) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.00022 ( 0 hom., cov: 33)
Exomes 𝑓: 0.00014 ( 1 hom. )

Consequence

FTCD
ENST00000397748.5 missense

Scores

2
1
12

Clinical Significance

Likely benign criteria provided, single submitter B:1

Conservation

PhyloP100: -0.311
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 (MetaRNN=0.019457698).
BP6
Variant 21-46136999-G-A is Benign according to our data. Variant chr21-46136999-G-A is described in ClinVar as [Likely_benign]. Clinvar id is 1110836.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.1614C>T p.Thr538= synonymous_variant 14/14 ENST00000397746.8
FTCDNM_001320412.2 linkuse as main transcriptc.1594C>T p.Pro532Ser missense_variant 14/15
FTCDNM_006657.3 linkuse as main transcriptc.1614C>T p.Thr538= synonymous_variant 14/15

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
FTCDENST00000397746.8 linkuse as main transcriptc.1614C>T p.Thr538= synonymous_variant 14/141 NM_206965.2 P1O95954-1

Frequencies

GnomAD3 genomes
AF:
0.000217
AC:
33
AN:
152216
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.000265
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00105
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:
0.0000882
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.000133
AC:
33
AN:
247832
Hom.:
1
AF XY:
0.000119
AC XY:
16
AN XY:
134594
show subpopulations
Gnomad AFR exome
AF:
0.000495
Gnomad AMR exome
AF:
0.000289
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.000118
Gnomad OTH exome
AF:
0.000329
GnomAD4 exome
AF:
0.000138
AC:
201
AN:
1461082
Hom.:
1
Cov.:
36
AF XY:
0.000131
AC XY:
95
AN XY:
726812
show subpopulations
Gnomad4 AFR exome
AF:
0.000149
Gnomad4 AMR exome
AF:
0.000313
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.000150
Gnomad4 OTH exome
AF:
0.000199
GnomAD4 genome
AF:
0.000217
AC:
33
AN:
152334
Hom.:
0
Cov.:
33
AF XY:
0.000322
AC XY:
24
AN XY:
74486
show subpopulations
Gnomad4 AFR
AF:
0.000265
Gnomad4 AMR
AF:
0.00105
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000882
Gnomad4 OTH
AF:
0.00
Bravo
AF:
0.000196
ESP6500AA
AF:
0.000681
AC:
3
ESP6500EA
AF:
0.00
AC:
0
ExAC
AF:
0.000115
AC:
14
EpiCase
AF:
0.000109
EpiControl
AF:
0.000178

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 testingInvitaeNov 22, 2022- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_addAF
Benign
-0.18
T
BayesDel_noAF
Benign
-0.17
Cadd
Benign
0.90
Dann
Uncertain
0.99
Eigen
Benign
-0.96
Eigen_PC
Benign
-0.99
FATHMM_MKL
Benign
0.15
N
LIST_S2
Benign
0.48
T
M_CAP
Benign
0.016
T
MetaRNN
Benign
0.019
T
MetaSVM
Benign
-0.95
T
MutationTaster
Benign
1.0
N;N;N;N;N;N
PROVEAN
Benign
0.91
N
REVEL
Benign
0.074
Sift
Pathogenic
0.0
D
Sift4G
Pathogenic
0.0
D
Polyphen
0.017
B
Vest4
0.21
MVP
0.32
ClinPred
0.010
T
GERP RS
0.032
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.1
gMVP
0.30

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: rs138620208; hg19: chr21-47556913; API