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GeneBe

5-169596559-A-G

Variant summary

Our verdict is Uncertain significance. Variant got 2 ACMG points: 4P and 2B. PVS1_ModeratePM2BP6_Moderate

The NM_017785.5(SPDL1):​c.892-2A>G variant causes a splice acceptor change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.000513 in 1,605,288 control chromosomes in the GnomAD database, including 1 homozygotes. 3/3 splice prediction tools predicting alterations to normal splicing. Variant has been reported in ClinVar as Likely benign (★).

Frequency

Genomes: 𝑓 0.00039 ( 0 hom., cov: 32)
Exomes 𝑓: 0.00053 ( 1 hom. )

Consequence

SPDL1
NM_017785.5 splice_acceptor

Scores

4
2
1
Splicing: ADA: 1.000
2

Clinical Significance

Likely benign criteria provided, single submitter B:1

Conservation

PhyloP100: 8.15
Variant links:
Genes affected
SPDL1 (HGNC:26010): (spindle apparatus coiled-coil protein 1) This gene encodes a coiled-coil domain-containing protein that functions in mitotic spindle formation and chromosome segregation. The encoded protein plays a role in coordinating microtubule attachment by promoting recruitment of dynein proteins, and in mitotic checkpoint signaling. [provided by RefSeq, Jul 2016]

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ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 2 ACMG points.

PVS1
Splicing variant, NOT destroyed by nmd, known LOF gene, truncates exone, which is 0.0770077 fraction of the gene. Cryptic splice site detected, with MaxEntScore 3.7, offset of -23, new splice context is: ctctcacttaattttattAGagg. Cryptic site results in frameshift change. If cryptic site found is not functional and variant results in exon loss, it results in inframe change.
PM2
Very rare variant in population databases, with high coverage;
BP6
Variant 5-169596559-A-G is Benign according to our data. Variant chr5-169596559-A-G is described in ClinVar as [Likely_benign]. Clinvar id is 753082.Status of the report is criteria_provided_single_submitter, 1 stars.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
SPDL1NM_017785.5 linkuse as main transcriptc.892-2A>G splice_acceptor_variant ENST00000265295.9

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
SPDL1ENST00000265295.9 linkuse as main transcriptc.892-2A>G splice_acceptor_variant 1 NM_017785.5 P1Q96EA4-1
SPDL1ENST00000507232.5 linkuse as main transcriptc.*672-2A>G splice_acceptor_variant, NMD_transcript_variant 1
SPDL1ENST00000505977.1 linkuse as main transcriptc.677-26A>G intron_variant 5

Frequencies

GnomAD3 genomes
AF:
0.000401
AC:
61
AN:
152168
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0000241
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.0000655
Gnomad ASJ
AF:
0.00519
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.000189
Gnomad MID
AF:
0.00316
Gnomad NFE
AF:
0.000544
Gnomad OTH
AF:
0.000478
GnomAD3 exomes
AF:
0.000469
AC:
114
AN:
243154
Hom.:
0
AF XY:
0.000501
AC XY:
66
AN XY:
131690
show subpopulations
Gnomad AFR exome
AF:
0.0000643
Gnomad AMR exome
AF:
0.0000309
Gnomad ASJ exome
AF:
0.00466
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.000279
Gnomad NFE exome
AF:
0.000503
Gnomad OTH exome
AF:
0.000675
GnomAD4 exome
AF:
0.000526
AC:
764
AN:
1453002
Hom.:
1
Cov.:
30
AF XY:
0.000573
AC XY:
414
AN XY:
722758
show subpopulations
Gnomad4 AFR exome
AF:
0.0000304
Gnomad4 AMR exome
AF:
0.0000235
Gnomad4 ASJ exome
AF:
0.00478
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.000656
Gnomad4 NFE exome
AF:
0.000510
Gnomad4 OTH exome
AF:
0.000616
GnomAD4 genome
AF:
0.000394
AC:
60
AN:
152286
Hom.:
0
Cov.:
32
AF XY:
0.000175
AC XY:
13
AN XY:
74470
show subpopulations
Gnomad4 AFR
AF:
0.0000241
Gnomad4 AMR
AF:
0.0000654
Gnomad4 ASJ
AF:
0.00519
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.000189
Gnomad4 NFE
AF:
0.000544
Gnomad4 OTH
AF:
0.000473
Alfa
AF:
0.000622
Hom.:
0
Bravo
AF:
0.000404
TwinsUK
AF:
0.000539
AC:
2
ALSPAC
AF:
0.000519
AC:
2
ESP6500AA
AF:
0.00
AC:
0
ESP6500EA
AF:
0.000698
AC:
6
ExAC
AF:
0.000338
AC:
41
EpiCase
AF:
0.000606
EpiControl
AF:
0.000540

ClinVar

Significance: Likely benign
Submissions summary: Benign:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

not provided Benign:1
Likely benign, criteria provided, single submitterclinical testingInvitaeJul 13, 2018- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_addAF
Uncertain
0.10
D
BayesDel_noAF
Pathogenic
0.27
CADD
Pathogenic
33
DANN
Uncertain
0.99
Eigen
Pathogenic
1.1
Eigen_PC
Pathogenic
0.94
FATHMM_MKL
Pathogenic
0.99
D
MutationTaster
Benign
1.0
D
GERP RS
5.5
La Branchor
0.31

Splicing

Name
Calibrated prediction
Score
Prediction
dbscSNV1_ADA
Pathogenic
1.0
dbscSNV1_RF
Pathogenic
0.91
SpliceAI score (max)
0.95
Details are displayed if max score is > 0.2
DS_AG_spliceai
0.64
Position offset: 26
DS_AL_spliceai
0.95
Position offset: 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: rs140005442; hg19: chr5-169023563; API