chr1-229342164-G-A

Variant summary

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

The NM_145257.5(CCSAP):​c.302C>T​(p.Pro101Leu) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000871 in 1,147,724 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 13/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: not found (cov: 32)
Exomes 𝑓: 8.7e-7 ( 0 hom. )

Consequence

CCSAP
NM_145257.5 missense

Scores

3
16

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 0.648
Variant links:
Genes affected
CCSAP (HGNC:29578): (centriole, cilia and spindle associated protein) Enables microtubule binding activity. Involved in mitotic spindle microtubule depolymerization and regulation of mitotic spindle assembly. Located in axon; ciliary transition zone; and cytoskeleton. [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=0.0761196).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
CCSAPNM_145257.5 linkuse as main transcriptc.302C>T p.Pro101Leu missense_variant 2/4 ENST00000284617.7

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
CCSAPENST00000284617.7 linkuse as main transcriptc.302C>T p.Pro101Leu missense_variant 2/41 NM_145257.5 P1Q6IQ19-1
CCSAPENST00000366687.5 linkuse as main transcriptc.302C>T p.Pro101Leu missense_variant 1/31 P1Q6IQ19-1
CCSAPENST00000483092.1 linkuse as main transcriptn.733C>T non_coding_transcript_exon_variant 2/41

Frequencies

GnomAD3 genomes
Cov.:
32
GnomAD4 exome
AF:
8.71e-7
AC:
1
AN:
1147724
Hom.:
0
Cov.:
28
AF XY:
0.00000181
AC XY:
1
AN XY:
553574
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
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:
0.00000105
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
Cov.:
32

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 GeneticsMay 03, 2023The c.302C>T (p.P101L) alteration is located in exon 2 (coding exon 1) of the CCSAP gene. This alteration results from a C to T substitution at nucleotide position 302, causing the proline (P) at amino acid position 101 to be replaced by a leucine (L). 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
0.087
BayesDel_addAF
Benign
-0.31
T
BayesDel_noAF
Benign
-0.68
CADD
Benign
19
DANN
Benign
0.97
DEOGEN2
Benign
0.068
T;T
Eigen
Benign
-1.0
Eigen_PC
Benign
-1.0
FATHMM_MKL
Benign
0.021
N
LIST_S2
Benign
0.44
T;.
M_CAP
Benign
0.034
D
MetaRNN
Benign
0.076
T;T
MetaSVM
Benign
-1.0
T
MutationAssessor
Benign
2.0
M;M
MutationTaster
Benign
0.83
D;D;D
PrimateAI
Uncertain
0.78
T
PROVEAN
Uncertain
-2.8
D;D
REVEL
Benign
0.028
Sift
Benign
0.40
T;T
Sift4G
Uncertain
0.022
D;D
Polyphen
0.0030
B;B
Vest4
0.063
MutPred
0.24
Gain of relative solvent accessibility (P = 0.0275);Gain of relative solvent accessibility (P = 0.0275);
MVP
0.11
MPC
1.4
ClinPred
0.15
T
GERP RS
1.6
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.0
Varity_R
0.038
gMVP
0.077

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

No publications associated with this variant yet.

Other links and lift over

hg19: chr1-229477911; API