7-35903145-C-T

Variant summary

Our verdict is Uncertain significance. The variant received 3 ACMG points: 3P and 0B. PM2PP3

The NM_001788.6(SEPTIN7):​c.1204C>T​(p.Arg402Cys) variant causes a missense change. The variant allele was found at a frequency of 0.0000119 in 1,600,064 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000020 ( 0 hom., cov: 31)
Exomes 𝑓: 0.000011 ( 0 hom. )

Consequence

SEPTIN7
NM_001788.6 missense

Scores

5
9
4

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 3.90

Publications

0 publications found
Variant links:
Genes affected
SEPTIN7 (HGNC:1717): (septin 7) This gene encodes a protein that is highly similar to the CDC10 protein of Saccharomyces cerevisiae. The protein also shares similarity with Diff 6 of Drosophila and with H5 of mouse. Each of these similar proteins, including the yeast CDC10, contains a GTP-binding motif. The yeast CDC10 protein is a structural component of the 10 nm filament which lies inside the cytoplasmic membrane and is essential for cytokinesis. This human protein functions in gliomagenesis and in the suppression of glioma cell growth, and it is required for the association of centromere-associated protein E with the kinetochore. Alternative splicing results in multiple transcript variants. Several related pseudogenes have been identified on chromosomes 5, 7, 9, 10, 11, 14, 17 and 19. [provided by RefSeq, Jul 2011]

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 3 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
PP3
MetaRNN computational evidence supports a deleterious effect, 0.769

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
SEPTIN7NM_001788.6 linkc.1204C>T p.Arg402Cys missense_variant Exon 13 of 14 ENST00000350320.11 NP_001779.3 Q16181-1

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
SEPTIN7ENST00000350320.11 linkc.1204C>T p.Arg402Cys missense_variant Exon 13 of 14 5 NM_001788.6 ENSP00000344868.8 Q16181-1E7EPK1
SEPTIN7ENST00000635175.1 linkn.*1121C>T non_coding_transcript_exon_variant Exon 13 of 14 2 ENSP00000489192.1 A0A0U1RQW0
SEPTIN7ENST00000635175.1 linkn.*1121C>T 3_prime_UTR_variant Exon 13 of 14 2 ENSP00000489192.1 A0A0U1RQW0

Frequencies

GnomAD3 genomes
AF:
0.0000197
AC:
3
AN:
152128
Hom.:
0
Cov.:
31
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.0000943
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000294
Gnomad OTH
AF:
0.00
GnomAD2 exomes
AF:
0.0000130
AC:
3
AN:
230498
AF XY:
0.00000801
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 FIN exome
AF:
0.000143
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000111
AC:
16
AN:
1447936
Hom.:
0
Cov.:
30
AF XY:
0.0000111
AC XY:
8
AN XY:
719376
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
33306
American (AMR)
AF:
0.00
AC:
0
AN:
40478
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
25896
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39268
South Asian (SAS)
AF:
0.00
AC:
0
AN:
83982
European-Finnish (FIN)
AF:
0.000170
AC:
9
AN:
52932
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5748
European-Non Finnish (NFE)
AF:
0.00000633
AC:
7
AN:
1106326
Other (OTH)
AF:
0.00
AC:
0
AN:
60000
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.494
Heterozygous variant carriers
0
1
3
4
6
7
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Variant carriers
0
2
4
6
8
10
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
GnomAD4 genome
AF:
0.0000197
AC:
3
AN:
152128
Hom.:
0
Cov.:
31
AF XY:
0.00
AC XY:
0
AN XY:
74296
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
41432
American (AMR)
AF:
0.00
AC:
0
AN:
15252
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3472
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5196
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4826
European-Finnish (FIN)
AF:
0.0000943
AC:
1
AN:
10608
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
316
European-Non Finnish (NFE)
AF:
0.0000294
AC:
2
AN:
68024
Other (OTH)
AF:
0.00
AC:
0
AN:
2090
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.458
Heterozygous variant carriers
0
0
1
1
2
2
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance
Alfa
AF:
0.00
Hom.:
0
Bravo
AF:
0.0000227
ESP6500AA
AF:
0.00
AC:
0
ESP6500EA
AF:
0.000122
AC:
1
ExAC
AF:
0.00000831
AC:
1

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

not specified Uncertain:1
Oct 13, 2023
Ambry Genetics
Significance:Uncertain significance
Review Status:criteria provided, single submitter
Collection Method:clinical testing

The c.1204C>T (p.R402C) alteration is located in exon 13 (coding exon 13) of the SEPT7 gene. This alteration results from a C to T substitution at nucleotide position 1204, causing the arginine (R) at amino acid position 402 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
0.25
BayesDel_addAF
Pathogenic
0.16
D
BayesDel_noAF
Uncertain
0.0
CADD
Pathogenic
33
DANN
Pathogenic
1.0
DEOGEN2
Benign
0.28
.;T;T;T;T;T
Eigen
Uncertain
0.61
Eigen_PC
Uncertain
0.54
FATHMM_MKL
Uncertain
0.96
D
LIST_S2
Uncertain
0.93
D;D;D;D;D;D
M_CAP
Benign
0.081
D
MetaRNN
Pathogenic
0.77
D;D;D;D;D;D
MetaSVM
Uncertain
-0.28
T
PhyloP100
3.9
PrimateAI
Uncertain
0.79
T
PROVEAN
Pathogenic
-7.2
.;.;.;.;D;.
REVEL
Uncertain
0.31
Sift
Pathogenic
0.0
.;.;.;.;D;.
Sift4G
Uncertain
0.0040
D;D;D;D;D;D
Vest4
0.41
MVP
0.79
MPC
4.0
ClinPred
0.99
D
GERP RS
4.2
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.7
gMVP
0.74
Mutation Taster
=46/54
disease causing

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

Other links and lift over

dbSNP: rs375555966; hg19: chr7-35942755; COSMIC: COSV100621855; COSMIC: COSV100621855; API