dbSNP rs755357863: SEPTIN7:p.Leu162Phe (chr7-35873749-A-C) – ACMG Classification: Uncertain_significance (2 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 2 ACMG points: 2P and 0B. PM2

The NM_001788.6(SEPTIN7):c.486A>C(p.Leu162Phe) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000686 in 1,458,424 control chromosomes in the GnomAD database, with no homozygous occurrence. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another nucleotide change resulting in the same amino acid substitution has been previously reported as Uncertain significance in ClinVar.

Frequency

Genomes: not found (cov: 33)

Exomes 𝑓: 6.9e-7 ( 0 hom. )

Consequence

SEPTIN7
NM_001788.6 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 0.399

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]

SEPTIN7 links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
SEPTIN7	NM_001788.6 link	c.486A>C	p.Leu162Phe	missense_variant	Exon 6 of 14	ENST00000350320.11	NP_001779.3	Q16181-1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
SEPTIN7	ENST00000350320.11 link	c.486A>C	p.Leu162Phe	missense_variant	Exon 6 of 14	5	NM_001788.6	ENSP00000344868.8	Q16181-1E7EPK1
SEPTIN7	ENST00000635047.1 link	c.327A>C	p.Leu109Phe	missense_variant	Exon 6 of 7	4		ENSP00000489480.1	A0A0U1RRE1
SEPTIN7	ENST00000635175.1 link	n.*403A>C		non_coding_transcript_exon_variant	Exon 6 of 14	2		ENSP00000489192.1	A0A0U1RQW0
SEPTIN7	ENST00000635175.1 link	n.*403A>C		3_prime_UTR_variant	Exon 6 of 14	2		ENSP00000489192.1	A0A0U1RQW0

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

6.86e-7

AC:

AN:

1458424

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

725486

show subpopulations

African (AFR)

AF:

0.0000300

AC:

AN:

33374

American (AMR)

AF:

0.00

AC:

AN:

44622

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26110

East Asian (EAS)

AF:

0.00

AC:

AN:

39648

South Asian (SAS)

AF:

0.00

AC:

AN:

86018

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53386

Middle Eastern (MID)

AF:

0.00

AC:

AN:

4132

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1110994

Other (OTH)

AF:

0.00

AC:

AN:

60140

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.425

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Pathogenic

0.79

BayesDel_addAF

Pathogenic

0.20

BayesDel_noAF

Uncertain

0.060

CADD

Benign

(source)

DANN

Uncertain

1.0

DEOGEN2

Benign

0.19

.;T;T;T;.;T

Eigen

Benign

0.033

Eigen_PC

Benign

-0.11

FATHMM_MKL

Uncertain

0.81

LIST_S2

Uncertain

0.94

D;D;D;D;D;D

M_CAP

Uncertain

0.16

MetaRNN

Uncertain

0.70

D;D;D;D;D;D

MetaSVM

Uncertain

0.19

PhyloP100

0.40

PrimateAI

Pathogenic

0.88

PROVEAN

Benign

-1.5

N;.;.;.;.;.

REVEL

Uncertain

0.56

Sift

Uncertain

0.0070

D;.;.;.;.;.

Sift4G

Benign

0.14

T;T;T;T;T;T

Vest4

0.75

MutPred

0.67

.;Gain of sheet (P = 0.039);.;.;.;.;

MVP

0.95

MPC

1.8

ClinPred

0.99

GERP RS

-2.9

gMVP

0.81

Mutation Taster

=9/91

disease causing

(source)

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

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Computational scores

Splicing

Publications

Other links and lift over