NM_001048166.1:c.3838C>G

Variant summary

Our verdict is Uncertain significance. Variant got 3 ACMG points: 4P and 1B. PM2PM5BP4

The NM_001048166.1(STIL):​c.3838C>G​(p.Arg1280Gly) variant causes a missense change. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. R1280C) has been classified as Likely pathogenic.

Frequency

Genomes: not found (cov: 33)

Consequence

STIL
NM_001048166.1 missense

Scores

3
7
9

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 4.40
Variant links:
Genes affected
STIL (HGNC:10879): (STIL centriolar assembly protein) This gene encodes a cytoplasmic protein implicated in regulation of the mitotic spindle checkpoint, a regulatory pathway that monitors chromosome segregation during cell division to ensure the proper distribution of chromosomes to daughter cells. The protein is phosphorylated in mitosis and in response to activation of the spindle checkpoint, and disappears when cells transition to G1 phase. It interacts with a mitotic regulator, and its expression is required to efficiently activate the spindle checkpoint. It is proposed to regulate Cdc2 kinase activity during spindle checkpoint arrest. Chromosomal deletions that fuse this gene and the adjacent locus commonly occur in T cell leukemias, and are thought to arise through illegitimate V-(D)-J recombination events. Multiple transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Jul 2008]

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ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 3 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
PM5
Other missense variant is known to change same aminoacid residue: Variant chr1-47251165-G-A is described in ClinVar as [Conflicting_classifications_of_pathogenicity]. Clinvar id is 502127.We mark this variant Likely_pathogenic, oryginal submissions are: {Uncertain_significance=2, Pathogenic=1}.
BP4
Computational evidence support a benign effect (MetaRNN=0.32054377).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
STILNM_001048166.1 linkc.3838C>G p.Arg1280Gly missense_variant Exon 17 of 17 ENST00000371877.8 NP_001041631.1 Q15468-2

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
STILENST00000371877.8 linkc.3838C>G p.Arg1280Gly missense_variant Exon 17 of 17 1 NM_001048166.1 ENSP00000360944.3 Q15468-2

Frequencies

GnomAD3 genomes
Cov.:
33
GnomAD3 exomes
AF:
0.00000400
AC:
1
AN:
250100
Hom.:
0
AF XY:
0.00000740
AC XY:
1
AN XY:
135110
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.0000331
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
Cov.:
30
GnomAD4 genome
Cov.:
33
ExAC
AF:
0.00000824
AC:
1

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.24
BayesDel_addAF
Benign
-0.12
T
BayesDel_noAF
Benign
-0.31
CADD
Pathogenic
26
DANN
Pathogenic
1.0
DEOGEN2
Uncertain
0.44
T;.;.;.
Eigen
Pathogenic
0.71
Eigen_PC
Pathogenic
0.73
FATHMM_MKL
Uncertain
0.97
D
LIST_S2
Uncertain
0.90
D;D;D;D
M_CAP
Benign
0.021
T
MetaRNN
Benign
0.32
T;T;T;T
MetaSVM
Benign
-0.88
T
MutationAssessor
Uncertain
2.6
M;.;.;.
PrimateAI
Benign
0.23
T
PROVEAN
Uncertain
-3.8
D;.;D;D
REVEL
Benign
0.18
Sift
Uncertain
0.0030
D;.;D;D
Sift4G
Uncertain
0.0050
D;D;D;D
Polyphen
0.98
D;.;D;D
Vest4
0.29
MutPred
0.36
Loss of MoRF binding (P = 0.0224);.;.;.;
MVP
0.54
MPC
0.48
ClinPred
0.88
D
GERP RS
6.0
Varity_R
0.36
gMVP
0.15

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.0
Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

LitVar

Below is the list of publications found by LitVar. It may be empty.

Other links and lift over

dbSNP: rs199634446; hg19: chr1-47716837; API