chr16-10941978-G-C
Variant summary
Our verdict is Uncertain significance. Variant got 0 ACMG points: 2P and 2B. PM2BP4_Moderate
The NM_014015.4(DEXI):c.28C>G(p.Leu10Val) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000133 in 1,507,314 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 Uncertain significance (★).
Frequency
Genomes: 𝑓 0.000013 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000013 ( 0 hom. )
Consequence
DEXI
NM_014015.4 missense
NM_014015.4 missense
Scores
2
2
10
Clinical Significance
Conservation
PhyloP100: 1.60
Genes affected
CIITA (HGNC:7067): (class II major histocompatibility complex transactivator) This gene encodes a protein with an acidic transcriptional activation domain, 4 LRRs (leucine-rich repeats) and a GTP binding domain. The protein is located in the nucleus and acts as a positive regulator of class II major histocompatibility complex gene transcription, and is referred to as the "master control factor" for the expression of these genes. The protein also binds GTP and uses GTP binding to facilitate its own transport into the nucleus. Once in the nucleus it does not bind DNA but rather uses an intrinsic acetyltransferase (AT) activity to act in a coactivator-like fashion. Mutations in this gene have been associated with bare lymphocyte syndrome type II (also known as hereditary MHC class II deficiency or HLA class II-deficient combined immunodeficiency), increased susceptibility to rheumatoid arthritis, multiple sclerosis, and possibly myocardial infarction. Several transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Nov 2013]
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ACMG classification
Classification made for transcript
Verdict is Uncertain_significance. Variant got 0 ACMG points.
PM2
?
Very rare variant in population databases, with high coverage;
BP4
?
Computational evidence support a benign effect (MetaRNN=0.24355012).
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | UniProt |
---|---|---|---|---|---|---|---|
DEXI | NM_014015.4 | c.28C>G | p.Leu10Val | missense_variant | 1/2 | ENST00000331808.5 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|
DEXI | ENST00000331808.5 | c.28C>G | p.Leu10Val | missense_variant | 1/2 | 1 | NM_014015.4 | P1 |
Frequencies
GnomAD3 genomes ? AF: 0.0000131 AC: 2AN: 152132Hom.: 0 Cov.: 32
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GnomAD3 exomes AF: 0.00000821 AC: 1AN: 121830Hom.: 0 AF XY: 0.0000150 AC XY: 1AN XY: 66676
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GnomAD4 exome AF: 0.0000133 AC: 18AN: 1355182Hom.: 0 Cov.: 31 AF XY: 0.0000135 AC XY: 9AN XY: 668276
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GnomAD4 genome ? AF: 0.0000131 AC: 2AN: 152132Hom.: 0 Cov.: 32 AF XY: 0.0000135 AC XY: 1AN XY: 74324
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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 | Feb 03, 2022 | The c.28C>G (p.L10V) alteration is located in exon 1 (coding exon 1) of the DEXI gene. This alteration results from a C to G substitution at nucleotide position 28, causing the leucine (L) at amino acid position 10 to be replaced by a valine (V). 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
Uncertain
Dann
Uncertain
DEOGEN2
Benign
T;T;T
Eigen
Benign
Eigen_PC
Benign
FATHMM_MKL
Uncertain
D
M_CAP
Benign
D
MetaRNN
Benign
T;T;T
MetaSVM
Benign
T
MutationTaster
Benign
N
PrimateAI
Pathogenic
D
Sift4G
Pathogenic
D;D;.
Polyphen
B;B;B
Vest4
MVP
MPC
1.5
ClinPred
D
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