1-17222396-C-T
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Variant summary
Our verdict is Uncertain significance. Variant got 2 ACMG points: 2P and 0B. PM2
The NM_013358.3(PADI1):c.199C>T(p.Arg67Cys) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000366 in 1,614,096 control chromosomes in the GnomAD database, including 1 homozygotes. 12/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).
Frequency
Genomes: 𝑓 0.000033 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000037 ( 1 hom. )
Consequence
PADI1
NM_013358.3 missense
NM_013358.3 missense
Scores
3
15
Clinical Significance
Conservation
PhyloP100: 0.665
Genes affected
PADI1 (HGNC:18367): (peptidyl arginine deiminase 1) This gene encodes a member of the peptidyl arginine deiminase family of enzymes, which catalyze the post-translational deimination of proteins by converting arginine residues into citrullines in the presence of calcium ions. The family members have distinct substrate specificities and tissue-specific expression patterns. The type I enzyme is involved in the late stages of epidermal differentiation, where it deiminates filaggrin and keratin K1, which maintains hydration of the stratum corneum, and hence the cutaneous barrier function. This enzyme may also play a role in hair follicle formation. This gene exists in a cluster with four other paralogous genes. [provided by RefSeq, Jul 2008]
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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 |
---|---|---|---|---|---|---|---|---|
PADI1 | NM_013358.3 | c.199C>T | p.Arg67Cys | missense_variant | 2/16 | ENST00000375471.5 | NP_037490.2 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Protein | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|---|
PADI1 | ENST00000375471.5 | c.199C>T | p.Arg67Cys | missense_variant | 2/16 | 1 | NM_013358.3 | ENSP00000364620.4 |
Frequencies
GnomAD3 genomes AF: 0.0000329 AC: 5AN: 152192Hom.: 0 Cov.: 32
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GnomAD3 exomes AF: 0.0000199 AC: 5AN: 251486Hom.: 0 AF XY: 0.0000147 AC XY: 2AN XY: 135918
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GnomAD4 exome AF: 0.0000369 AC: 54AN: 1461786Hom.: 1 Cov.: 31 AF XY: 0.0000440 AC XY: 32AN XY: 727210
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GnomAD4 genome AF: 0.0000328 AC: 5AN: 152310Hom.: 0 Cov.: 32 AF XY: 0.0000269 AC XY: 2AN XY: 74482
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ClinVar
Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link
Submissions by phenotype
not specified Uncertain:1
Uncertain significance, criteria provided, single submitter | clinical testing | Ambry Genetics | Jun 10, 2024 | The c.199C>T (p.R67C) alteration is located in exon 2 (coding exon 2) of the PADI1 gene. This alteration results from a C to T substitution at nucleotide position 199, causing the arginine (R) at amino acid position 67 to be replaced by a cysteine (C). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. - |
Computational scores
Source:
Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
BayesDel_addAF
Benign
T
BayesDel_noAF
Benign
CADD
Benign
DANN
Uncertain
DEOGEN2
Benign
T
Eigen
Benign
Eigen_PC
Benign
FATHMM_MKL
Benign
N
M_CAP
Benign
T
MetaRNN
Uncertain
D
MetaSVM
Benign
T
MutationAssessor
Benign
L
PrimateAI
Benign
T
PROVEAN
Uncertain
D
REVEL
Benign
Sift
Benign
D
Sift4G
Benign
T
Polyphen
D
Vest4
MutPred
Gain of catalytic residue at W68 (P = 0.002);
MVP
MPC
ClinPred
T
GERP RS
Varity_R
gMVP
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