chr20-49068748-G-A

Variant summary

Our verdict is Uncertain significance. Variant got 2 ACMG points: 2P and 0B. PM2

The NM_001316.4(CSE1L):​c.601G>A​(p.Asp201Asn) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.00000186 in 1,613,934 control chromosomes in the GnomAD database, with no homozygous occurrence. 13/21 in silico tools predict a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: 𝑓 0.000013 ( 0 hom., cov: 32)
Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

CSE1L
NM_001316.4 missense

Scores

2
3
14

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 9.45
Variant links:
Genes affected
CSE1L (HGNC:2431): (chromosome segregation 1 like) Proteins that carry a nuclear localization signal (NLS) are transported into the nucleus by the importin-alpha/beta heterodimer. Importin-alpha binds the NLS, while importin-beta mediates translocation through the nuclear pore complex. After translocation, RanGTP binds importin-beta and displaces importin-alpha. Importin-alpha must then be returned to the cytoplasm, leaving the NLS protein behind. The protein encoded by this gene binds strongly to NLS-free importin-alpha, and this binding is released in the cytoplasm by the combined action of RANBP1 and RANGAP1. In addition, the encoded protein may play a role both in apoptosis and in cell proliferation. Alternatively spliced transcript variants have been found for this gene. [provided by RefSeq, Jan 2012]

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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 Protein UniProt
CSE1LNM_001316.4 linkuse as main transcriptc.601G>A p.Asp201Asn missense_variant 7/25 ENST00000262982.3 NP_001307.2 P55060-1A0A384NKW7
CSE1LNM_001362762.2 linkuse as main transcriptc.601G>A p.Asp201Asn missense_variant 7/25 NP_001349691.1
CSE1LNM_001256135.2 linkuse as main transcriptc.601G>A p.Asp201Asn missense_variant 7/24 NP_001243064.1 P55060-4
CSE1LNR_045796.2 linkuse as main transcriptn.301-62G>A intron_variant

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
CSE1LENST00000262982.3 linkuse as main transcriptc.601G>A p.Asp201Asn missense_variant 7/251 NM_001316.4 ENSP00000262982.2 P55060-1
CSE1LENST00000396192.7 linkuse as main transcriptc.601G>A p.Asp201Asn missense_variant 7/245 ENSP00000379495.3 P55060-4

Frequencies

GnomAD3 genomes
AF:
0.0000131
AC:
2
AN:
152204
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000131
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.00
Gnomad OTH
AF:
0.00
GnomAD4 exome
AF:
6.84e-7
AC:
1
AN:
1461730
Hom.:
0
Cov.:
29
AF XY:
0.00000138
AC XY:
1
AN XY:
727172
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:
0.00
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
AF:
0.0000131
AC:
2
AN:
152204
Hom.:
0
Cov.:
32
AF XY:
0.0000134
AC XY:
1
AN XY:
74362
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.000131
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.00
Gnomad4 OTH
AF:
0.00
Bravo
AF:
0.0000189

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 GeneticsOct 12, 2024The c.601G>A (p.D201N) alteration is located in exon 7 (coding exon 6) of the CSE1L gene. This alteration results from a G to A substitution at nucleotide position 601, causing the aspartic acid (D) at amino acid position 201 to be replaced by an asparagine (N). 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
0.094
BayesDel_addAF
Benign
-0.13
T
BayesDel_noAF
Benign
-0.43
CADD
Benign
21
DANN
Benign
0.58
DEOGEN2
Benign
0.20
.;T
Eigen
Benign
-0.017
Eigen_PC
Uncertain
0.24
FATHMM_MKL
Pathogenic
0.99
D
LIST_S2
Uncertain
0.94
D;D
M_CAP
Benign
0.032
D
MetaRNN
Uncertain
0.66
D;D
MetaSVM
Benign
-0.91
T
MutationAssessor
Benign
-0.39
N;N
PrimateAI
Pathogenic
0.83
D
PROVEAN
Benign
0.40
N;N
REVEL
Benign
0.14
Sift
Benign
1.0
T;T
Sift4G
Benign
1.0
T;T
Polyphen
0.057
.;B
Vest4
0.83
MutPred
0.67
Gain of helix (P = 0.132);Gain of helix (P = 0.132);
MVP
0.29
MPC
0.44
ClinPred
0.82
D
GERP RS
5.7
Varity_R
0.13
gMVP
0.36

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.10
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: rs1186520001; hg19: chr20-47685285; API