6-131579192-G-C
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Variant summary
Our verdict is Uncertain significance. Variant got 2 ACMG points: 2P and 0B. PM2
The NM_000045.4(ARG1):āc.212G>Cā(p.Arg71Thr) variant causes a missense change. The variant allele was found at a frequency of 0.0000112 in 1,613,956 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (ā ).
Frequency
Genomes: š 0.0000066 ( 0 hom., cov: 32)
Exomes š: 0.000012 ( 0 hom. )
Consequence
ARG1
NM_000045.4 missense
NM_000045.4 missense
Scores
6
11
2
Clinical Significance
Conservation
PhyloP100: 5.01
Genes affected
ARG1 (HGNC:663): (arginase 1) Arginase catalyzes the hydrolysis of arginine to ornithine and urea. At least two isoforms of mammalian arginase exist (types I and II) which differ in their tissue distribution, subcellular localization, immunologic crossreactivity and physiologic function. The type I isoform encoded by this gene, is a cytosolic enzyme and expressed predominantly in the liver as a component of the urea cycle. Inherited deficiency of this enzyme results in argininemia, an autosomal recessive disorder characterized by hyperammonemia. Two transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Sep 2011]
MED23 (HGNC:2372): (mediator complex subunit 23) The activation of gene transcription is a multistep process that is triggered by factors that recognize transcriptional enhancer sites in DNA. These factors work with co-activators to direct transcriptional initiation by the RNA polymerase II apparatus. The protein encoded by this gene is a subunit of the CRSP (cofactor required for SP1 activation) complex, which, along with TFIID, is required for efficient activation by SP1. This protein is also a component of other multisubunit complexes e.g. thyroid hormone receptor-(TR-) associated proteins which interact with TR and facilitate TR function on DNA templates in conjunction with initiation factors and cofactors. This protein also acts as a metastasis suppressor. Several alternatively spliced transcript variants encoding different isoforms have been described for this gene. [provided by RefSeq, Jul 2012]
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ACMG classification
Classification made for transcript
Verdict is Uncertain_significance. Variant got 2 ACMG points.
PM2
Very rare variant in population databases, with high coverage;
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | Protein | UniProt |
---|---|---|---|---|---|---|---|---|
ARG1 | NM_000045.4 | c.212G>C | p.Arg71Thr | missense_variant | 3/8 | ENST00000368087.8 | NP_000036.2 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Protein | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|---|
ARG1 | ENST00000368087.8 | c.212G>C | p.Arg71Thr | missense_variant | 3/8 | 1 | NM_000045.4 | ENSP00000357066.3 |
Frequencies
GnomAD3 genomes AF: 0.00000657 AC: 1AN: 152120Hom.: 0 Cov.: 32
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GnomAD3 exomes AF: 0.0000318 AC: 8AN: 251324Hom.: 0 AF XY: 0.0000294 AC XY: 4AN XY: 135838
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GnomAD4 exome AF: 0.0000116 AC: 17AN: 1461836Hom.: 0 Cov.: 30 AF XY: 0.00000963 AC XY: 7AN XY: 727222
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GnomAD4 genome AF: 0.00000657 AC: 1AN: 152120Hom.: 0 Cov.: 32 AF XY: 0.0000135 AC XY: 1AN XY: 74308
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ClinVar
Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link
Submissions by phenotype
Arginase deficiency Uncertain:1
Uncertain significance, criteria provided, single submitter | clinical testing | Counsyl | Oct 18, 2017 | - - |
Computational scores
Source:
Name
Calibrated prediction
Score
Prediction
AlphaMissense
Uncertain
BayesDel_addAF
Uncertain
D
BayesDel_noAF
Pathogenic
CADD
Pathogenic
DANN
Uncertain
DEOGEN2
Pathogenic
D;.;.
Eigen
Uncertain
Eigen_PC
Uncertain
FATHMM_MKL
Pathogenic
D
LIST_S2
Uncertain
D;D;D
M_CAP
Pathogenic
D
MetaRNN
Uncertain
D;D;D
MetaSVM
Pathogenic
D
MutationAssessor
Uncertain
M;.;M
PrimateAI
Benign
T
PROVEAN
Pathogenic
D;D;.
REVEL
Uncertain
Sift
Uncertain
D;D;.
Sift4G
Uncertain
D;D;.
Polyphen
D;D;.
Vest4
MutPred
Gain of ubiquitination at K75 (P = 0.0342);.;Gain of ubiquitination at K75 (P = 0.0342);
MVP
MPC
0.46
ClinPred
D
GERP RS
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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