2-210556750-C-T
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Variant summary
Our verdict is Likely benign. Variant got -2 ACMG points: 2P and 4B. PM2BP4_ModerateBP6_Moderate
The NM_001875.5(CPS1):c.17C>T(p.Thr6Ile) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000496 in 1,612,608 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★).
Frequency
Genomes: 𝑓 0.000026 ( 0 hom., cov: 32)
Exomes 𝑓: 0.0000027 ( 0 hom. )
Consequence
CPS1
NM_001875.5 missense
NM_001875.5 missense
Scores
8
11
Clinical Significance
Conservation
PhyloP100: 3.15
Genes affected
CPS1 (HGNC:2323): (carbamoyl-phosphate synthase 1) The mitochondrial enzyme encoded by this gene catalyzes synthesis of carbamoyl phosphate from ammonia and bicarbonate. This reaction is the first committed step of the urea cycle, which is important in the removal of excess urea from cells. The encoded protein may also represent a core mitochondrial nucleoid protein. Three transcript variants encoding different isoforms have been found for this gene. The shortest isoform may not be localized to the mitochondrion. Mutations in this gene have been associated with carbamoyl phosphate synthetase deficiency, susceptibility to persistent pulmonary hypertension, and susceptibility to venoocclusive disease after bone marrow transplantation.[provided by RefSeq, May 2010]
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ACMG classification
Classification made for transcript
Verdict is Likely_benign. Variant got -2 ACMG points.
PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.23144734).
BP6
Variant 2-210556750-C-T is Benign according to our data. Variant chr2-210556750-C-T is described in ClinVar as [Likely_benign]. Clinvar id is 3019243.Status of the report is criteria_provided_single_submitter, 1 stars.
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | Protein | UniProt |
---|---|---|---|---|---|---|---|---|
CPS1 | NM_001875.5 | c.17C>T | p.Thr6Ile | missense_variant | 1/38 | ENST00000233072.10 | NP_001866.2 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Protein | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|---|
CPS1 | ENST00000233072.10 | c.17C>T | p.Thr6Ile | missense_variant | 1/38 | 1 | NM_001875.5 | ENSP00000233072 | P1 |
Frequencies
GnomAD3 genomes AF: 0.0000263 AC: 4AN: 151968Hom.: 0 Cov.: 32
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GnomAD3 exomes AF: 0.00000797 AC: 2AN: 250892Hom.: 0 AF XY: 0.00 AC XY: 0AN XY: 135588
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GnomAD4 exome AF: 0.00000274 AC: 4AN: 1460640Hom.: 0 Cov.: 32 AF XY: 0.00000551 AC XY: 4AN XY: 726598
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GnomAD4 genome AF: 0.0000263 AC: 4AN: 151968Hom.: 0 Cov.: 32 AF XY: 0.0000135 AC XY: 1AN XY: 74230
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ClinVar
Significance: Likely benign
Submissions summary: Benign:1
Revision: criteria provided, single submitter
LINK: link
Submissions by phenotype
Congenital hyperammonemia, type I Benign:1
Likely benign, criteria provided, single submitter | clinical testing | Labcorp Genetics (formerly Invitae), Labcorp | Feb 11, 2023 | - - |
Computational scores
Source:
Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
BayesDel_addAF
Uncertain
T
BayesDel_noAF
Uncertain
CADD
Benign
DANN
Uncertain
DEOGEN2
Benign
T;T;T;.;T;T
Eigen
Benign
Eigen_PC
Benign
FATHMM_MKL
Uncertain
D
LIST_S2
Benign
.;T;T;T;T;T
M_CAP
Benign
D
MetaRNN
Benign
T;T;T;T;T;T
MetaSVM
Uncertain
D
MutationAssessor
Benign
.;.;.;.;L;.
MutationTaster
Benign
D;D
PrimateAI
Uncertain
T
PROVEAN
Benign
N;N;N;N;N;.
REVEL
Uncertain
Sift
Benign
T;T;T;D;D;.
Sift4G
Uncertain
D;D;D;T;T;T
Polyphen
0.0
.;.;.;.;B;.
Vest4
0.52, 0.34, 0.43
MVP
MPC
0.24
ClinPred
T
GERP RS
RBP_binding_hub_radar
RBP_regulation_power_radar
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Splicing
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SpliceAI score (max)
Details are displayed if max score is > 0.2
Find out detailed SpliceAI scores and Pangolin per-transcript scores at