9-128823739-G-A

Variant summary

Our verdict is Likely benign. Variant got -3 ACMG points: 2P and 5B. PM2BP4_StrongBP6

The NM_016390.4(SPOUT1):​c.1062+8C>T variant causes a splice region, intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000219 in 1,595,202 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 3/3 splice prediction tools predict no significant impact on normal splicing. Variant has been reported in ClinVar as Likely benign (no stars).

Frequency

Genomes: 𝑓 0.000033 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000021 ( 0 hom. )

Consequence

SPOUT1
NM_016390.4 splice_region, intron

Scores

2
Splicing: ADA: 0.0001614
2

Clinical Significance

Likely benign no assertion criteria provided B:1

Conservation

PhyloP100: -1.31
Variant links:
Genes affected
SPOUT1 (HGNC:26933): (SPOUT domain containing methyltransferase 1) Enables miRNA binding activity. Involved in maintenance of centrosome location and production of miRNAs involved in gene silencing by miRNA. Located in kinetochore; mitotic spindle; and spindle pole centrosome. [provided by Alliance of Genome Resources, Apr 2022]

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ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -3 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.81).
BP6
Variant 9-128823739-G-A is Benign according to our data. Variant chr9-128823739-G-A is described in ClinVar as [Likely_benign]. Clinvar id is 3034153.Status of the report is no_assertion_criteria_provided, 0 stars.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
SPOUT1NM_016390.4 linkuse as main transcriptc.1062+8C>T splice_region_variant, intron_variant ENST00000361256.10
KYAT1-SPOUT1NR_182311.1 linkuse as main transcriptn.2973+8C>T splice_region_variant, intron_variant, non_coding_transcript_variant
KYAT1-SPOUT1NM_001414398.1 linkuse as main transcriptc.2409+8C>T splice_region_variant, intron_variant
KYAT1-SPOUT1NR_182310.1 linkuse as main transcriptn.3005+8C>T splice_region_variant, intron_variant, non_coding_transcript_variant

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
SPOUT1ENST00000361256.10 linkuse as main transcriptc.1062+8C>T splice_region_variant, intron_variant 1 NM_016390.4 P1
SPOUT1ENST00000467582.1 linkuse as main transcriptc.155+333C>T intron_variant 2
SPOUT1ENST00000480366.1 linkuse as main transcriptn.625+8C>T splice_region_variant, intron_variant, non_coding_transcript_variant 2

Frequencies

GnomAD3 genomes
AF:
0.0000329
AC:
5
AN:
152172
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0000724
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.000207
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000147
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000495
AC:
11
AN:
222376
Hom.:
0
AF XY:
0.0000665
AC XY:
8
AN XY:
120350
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.0000323
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.000357
Gnomad SAS exome
AF:
0.0000365
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000299
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000208
AC:
30
AN:
1443030
Hom.:
0
Cov.:
35
AF XY:
0.0000224
AC XY:
16
AN XY:
715834
show subpopulations
Gnomad4 AFR exome
AF:
0.0000300
Gnomad4 AMR exome
AF:
0.0000240
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.000179
Gnomad4 SAS exome
AF:
0.0000480
Gnomad4 FIN exome
AF:
0.0000390
Gnomad4 NFE exome
AF:
0.0000118
Gnomad4 OTH exome
AF:
0.0000336
GnomAD4 genome
AF:
0.0000329
AC:
5
AN:
152172
Hom.:
0
Cov.:
32
AF XY:
0.0000135
AC XY:
1
AN XY:
74330
show subpopulations
Gnomad4 AFR
AF:
0.0000724
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.000207
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000147
Gnomad4 OTH
AF:
0.00
Bravo
AF:
0.0000189
Asia WGS
AF:
0.000289
AC:
1
AN:
3478

ClinVar

Significance: Likely benign
Submissions summary: Benign:1
Revision: no assertion criteria provided
LINK: link

Submissions by phenotype

SPOUT1-related disorder Benign:1
Likely benign, no assertion criteria providedclinical testingPreventionGenetics, part of Exact SciencesJun 13, 2019This variant is classified as likely benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications). -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.81
CADD
Benign
0.52
DANN
Benign
0.91

Splicing

Name
Calibrated prediction
Score
Prediction
dbscSNV1_ADA
Benign
0.00016
dbscSNV1_RF
Benign
0.0060
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: rs762384569; hg19: chr9-131586018; API