16-83978531-C-T
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Variant summary
Our verdict is Uncertain significance. Variant got 2 ACMG points: 2P and 0B. PM2
The ENST00000565691.5(NECAB2):c.91C>T(p.Arg31Ter) variant causes a stop gained change. The variant allele was found at a frequency of 0.000303 in 1,613,438 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★).
Frequency
Genomes: 𝑓 0.00022 ( 0 hom., cov: 32)
Exomes 𝑓: 0.00031 ( 0 hom. )
Consequence
NECAB2
ENST00000565691.5 stop_gained
ENST00000565691.5 stop_gained
Scores
5
3
Clinical Significance
Conservation
PhyloP100: 5.75
Genes affected
NECAB2 (HGNC:23746): (N-terminal EF-hand calcium binding protein 2) The protein encoded by this gene is a neuronal calcium-binding protein that binds to and modulates the function of at least two receptors, adenosine A(2A) receptor and metabotropic glutamate receptor type 5. [provided by RefSeq, Jul 2016]
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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 | UniProt |
---|---|---|---|---|---|---|---|
NECAB2 | NM_019065.3 | c.314C>T | p.Thr105Met | missense_variant | 3/13 | ENST00000305202.9 | |
NECAB2 | NM_001329749.2 | c.91C>T | p.Arg31Ter | stop_gained | 3/12 | ||
NECAB2 | XM_047434240.1 | c.91C>T | p.Arg31Ter | stop_gained | 3/12 | ||
NECAB2 | NM_001329748.1 | c.314C>T | p.Thr105Met | missense_variant | 3/12 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|
NECAB2 | ENST00000565691.5 | c.91C>T | p.Arg31Ter | stop_gained | 2/11 | 1 | |||
NECAB2 | ENST00000305202.9 | c.314C>T | p.Thr105Met | missense_variant | 3/13 | 1 | NM_019065.3 | P1 | |
NECAB2 | ENST00000681513.1 | n.719C>T | non_coding_transcript_exon_variant | 3/13 | |||||
NECAB2 | ENST00000566836.1 | upstream_gene_variant | 5 |
Frequencies
GnomAD3 genomes AF: 0.000224 AC: 34AN: 151870Hom.: 0 Cov.: 32
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GnomAD3 exomes AF: 0.000183 AC: 46AN: 251418Hom.: 0 AF XY: 0.000191 AC XY: 26AN XY: 135884
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GnomAD4 exome AF: 0.000311 AC: 455AN: 1461568Hom.: 0 Cov.: 30 AF XY: 0.000329 AC XY: 239AN XY: 727120
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GnomAD4 genome AF: 0.000224 AC: 34AN: 151870Hom.: 0 Cov.: 32 AF XY: 0.000243 AC XY: 18AN XY: 74154
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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 | Sep 27, 2022 | The c.314C>T (p.T105M) alteration is located in exon 3 (coding exon 3) of the NECAB2 gene. This alteration results from a C to T substitution at nucleotide position 314, causing the threonine (T) at amino acid position 105 to be replaced by a methionine (M). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. - |
Computational scores
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Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
BayesDel_addAF
Uncertain
D
BayesDel_noAF
Uncertain
CADD
Pathogenic
DANN
Uncertain
Eigen
Uncertain
Eigen_PC
Uncertain
FATHMM_MKL
Benign
D
MutationTaster
Benign
A;D
Vest4
ClinPred
T
GERP RS
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