17-28628345-C-T
Variant summary
Our verdict is Uncertain significance. Variant got 1 ACMG points: 3P and 2B. PM2PP2BP4_Moderate
The NM_014680.5(BLTP2):c.4514G>A(p.Gly1505Asp) variant causes a missense change. The variant allele was found at a frequency of 0.0000031 in 1,614,092 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 14/21 in silico tools predict 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: 0.0000021 ( 0 hom. )
Consequence
BLTP2
NM_014680.5 missense
NM_014680.5 missense
Scores
2
17
Clinical Significance
Conservation
PhyloP100: 3.94
Genes affected
BLTP2 (HGNC:28960): (bridge-like lipid transfer protein family member 2) This gene was initially characterized in human as having high expression levels in breast carcinomas and breast cancer cell lines. This gene also has increased expression in prostrate cancer cells relative to normal prostrate tissues. Expression of this gene is negatively regulated by direct binding of the microRNA miR-195 to its 3' UTR. miR-195 has been shown to modulate the invasiveness of prostrate cancer cells and xenograft metastases by downgrading expression of this gene. In mouse, the protein encoded by this gene was identified as an antigen on acute monocytic leukemia cells. In human, alternative splicing results in multiple transcript variants encoding distinct isoforms; some of these isoforms are predicted to contain an RNA pol II promoter FMP27 protein domain and a Golgi-body-localization APT1 domain. [provided by RefSeq, Apr 2017]
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ACMG classification
Classification made for transcript
Verdict is Uncertain_significance. Variant got 1 ACMG points.
PM2
?
Very rare variant in population databases, with high coverage;
PP2
?
Missense variant where missense usually causes diseases, BLTP2
BP4
?
Computational evidence support a benign effect (MetaRNN=0.08340183).
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | UniProt |
---|---|---|---|---|---|---|---|
BLTP2 | NM_014680.5 | c.4514G>A | p.Gly1505Asp | missense_variant | 24/39 | ENST00000528896.7 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|
BLTP2 | ENST00000528896.7 | c.4514G>A | p.Gly1505Asp | missense_variant | 24/39 | 1 | NM_014680.5 | P1 | |
BLTP2 | ENST00000389003.7 | c.4085G>A | p.Gly1362Asp | missense_variant | 24/39 | 5 |
Frequencies
GnomAD3 genomes ? AF: 0.0000131 AC: 2AN: 152212Hom.: 0 Cov.: 32
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GnomAD4 exome AF: 0.00000205 AC: 3AN: 1461880Hom.: 0 Cov.: 32 AF XY: 0.00000275 AC XY: 2AN XY: 727244
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GnomAD4 genome ? AF: 0.0000131 AC: 2AN: 152212Hom.: 0 Cov.: 32 AF XY: 0.0000134 AC XY: 1AN XY: 74362
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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 | Nov 14, 2023 | The c.4514G>A (p.G1505D) alteration is located in exon 24 (coding exon 24) of the KIAA0100 gene. This alteration results from a G to A substitution at nucleotide position 4514, causing the glycine (G) at amino acid position 1505 to be replaced by an aspartic acid (D). 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
Benign
DEOGEN2
Benign
T;T;T
Eigen
Benign
Eigen_PC
Benign
FATHMM_MKL
Uncertain
D
LIST_S2
Benign
T;T;T
M_CAP
Benign
T
MetaRNN
Benign
T;T;T
MetaSVM
Benign
T
MutationAssessor
Benign
L;.;.
MutationTaster
Benign
D;D;D;D
PrimateAI
Benign
T
PROVEAN
Benign
N;N;.
REVEL
Benign
Sift
Benign
T;T;.
Sift4G
Uncertain
D;D;D
Polyphen
B;.;.
Vest4
MVP
MPC
ClinPred
T
GERP RS
RBP_binding_hub_radar
RBP_regulation_power_radar
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