15-44490978-C-T

Variant summary

Our verdict is Uncertain significance. Variant got 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_016396.3(CTDSPL2):​c.670C>T​(p.Arg224Cys) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000342 in 1,461,606 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: not found (cov: 32)
Exomes 𝑓: 0.0000034 ( 0 hom. )

Consequence

CTDSPL2
NM_016396.3 missense

Scores

6
13

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 1.22
Variant links:
Genes affected
CTDSPL2 (HGNC:26936): (CTD small phosphatase like 2) Enables RNA polymerase II CTD heptapeptide repeat phosphatase activity. Predicted to act upstream of or within negative regulation of BMP signaling pathway; positive regulation of protein export from nucleus; and protein dephosphorylation. Located in nucleoplasm. [provided by Alliance of Genome Resources, Apr 2022]

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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=0.20168808).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
CTDSPL2NM_016396.3 linkuse as main transcriptc.670C>T p.Arg224Cys missense_variant 5/13 ENST00000260327.9 NP_057480.2 Q05D32-1A0A024R5Q8

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
CTDSPL2ENST00000260327.9 linkuse as main transcriptc.670C>T p.Arg224Cys missense_variant 5/131 NM_016396.3 ENSP00000260327.4 Q05D32-1
CTDSPL2ENST00000558966.5 linkuse as main transcriptc.670C>T p.Arg224Cys missense_variant 5/131 ENSP00000452837.1 Q05D32-1
CTDSPL2ENST00000558373.5 linkuse as main transcriptc.475+4278C>T intron_variant 1 ENSP00000453051.1 Q05D32-2
CTDSPL2ENST00000561189.1 linkuse as main transcriptn.-14C>T upstream_gene_variant 5

Frequencies

GnomAD3 genomes
Cov.:
32
GnomAD3 exomes
AF:
0.00000398
AC:
1
AN:
251140
Hom.:
0
AF XY:
0.00000737
AC XY:
1
AN XY:
135718
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:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00000881
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000342
AC:
5
AN:
1461606
Hom.:
0
Cov.:
31
AF XY:
0.00000275
AC XY:
2
AN XY:
727126
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.0000224
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00000360
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
Cov.:
32
Bravo
AF:
0.00000378
ExAC
AF:
0.00000824
AC:
1
EpiCase
AF:
0.00
EpiControl
AF:
0.0000593

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 submitterclinical testingAmbry GeneticsJul 12, 2023The c.670C>T (p.R224C) alteration is located in exon 5 (coding exon 4) of the CTDSPL2 gene. This alteration results from a C to T substitution at nucleotide position 670, causing the arginine (R) at amino acid position 224 to be replaced by a cysteine (C). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.078
BayesDel_addAF
Benign
-0.087
T
BayesDel_noAF
Benign
-0.36
CADD
Uncertain
24
DANN
Uncertain
1.0
DEOGEN2
Benign
0.012
T;T
Eigen
Uncertain
0.29
Eigen_PC
Uncertain
0.35
FATHMM_MKL
Uncertain
0.93
D
LIST_S2
Benign
0.75
.;T
M_CAP
Benign
0.010
T
MetaRNN
Benign
0.20
T;T
MetaSVM
Benign
-1.1
T
MutationAssessor
Benign
0.54
N;N
PrimateAI
Uncertain
0.65
T
PROVEAN
Benign
-0.64
N;N
REVEL
Benign
0.11
Sift
Benign
0.047
D;D
Sift4G
Uncertain
0.054
T;T
Polyphen
1.0
D;D
Vest4
0.34
MutPred
0.43
Gain of sheet (P = 0.0073);Gain of sheet (P = 0.0073);
MVP
0.12
MPC
0.16
ClinPred
0.45
T
GERP RS
4.8
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.7
Varity_R
0.090
gMVP
0.38

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.010
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: rs751260874; hg19: chr15-44783176; COSMIC: COSV52945688; COSMIC: COSV52945688; API