chr15-44620327-C-A

Position:

• chr15-44620327-C-A

Variant summary

Our verdict is Uncertain significance. Variant got 4 ACMG points: 4P and 0B. PM2 PP3_Moderate

The NM_025137.4(SPG11):​c.2697G>T​(p.Trp899Cys) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a pathogenic outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

• Frequency: Genomes: not found (cov: 32)
• Consequence: SPG11 NM_025137.4 missense
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 3.43

Genes affected

SPG11 (HGNC:11226): (SPG11 vesicle trafficking associated, spatacsin) The protein encoded by this gene is a potential transmembrane protein that is phosphorylated upon DNA damage. Defects in this gene are a cause of spastic paraplegia type 11 (SPG11). Multiple transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, May 2009]

ACMG classification

Verdict is Uncertain_significance. Variant got 4 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• PP3: MetaRNN computational evidence supports a deleterious effect, 0.908

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
SPG11	NM_025137.4	c.2697G>T	p.Trp899Cys	missense_variant	15/40	ENST00000261866.12	NP_079413.3

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt
SPG11	ENST00000261866.12	c.2697G>T	p.Trp899Cys	missense_variant	15/40	1	NM_025137.4	ENSP00000261866

Frequencies

GnomAD3 genomes Cov.: 32

GnomAD4 exome Cov.: 31

GnomAD4 genome Cov.: 32

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Pathogenic	0.92
BayesDel_addAF	Pathogenic	0.49	D
BayesDel_noAF	Pathogenic	0.46
CADD	Pathogenic	27
DANN	Uncertain	0.99
DEOGEN2	Uncertain	0.51	D;.;T;.
Eigen	Pathogenic	0.85
Eigen_PC	Pathogenic	0.83
FATHMM_MKL	Pathogenic	0.98	D
LIST_S2	Uncertain	0.93	D;D;D;D
M_CAP	Uncertain	0.20	D
MetaRNN	Pathogenic	0.91	D;D;D;D
MetaSVM	Pathogenic	0.95	D
MutationAssessor	Uncertain	2.7	M;M;.;M
MutationTaster	Benign	1.0	D;D;D;D
PrimateAI	Uncertain	0.67	T
PROVEAN	Pathogenic	-6.1	D;D;D;D
REVEL	Pathogenic	0.91
Sift	Pathogenic	0.0	D;D;D;D
Sift4G	Pathogenic	0.0	D;D;D;D
Polyphen		1.0	D;.;D;D
Vest4		0.70
MutPred		0.74		Loss of MoRF binding (P = 0.0586);Loss of MoRF binding (P = 0.0586);Loss of MoRF binding (P = 0.0586);Loss of MoRF binding (P = 0.0586);
MVP		0.87
MPC		0.30
ClinPred		0.99	D
GERP RS		5.8
Varity_R		0.82
gMVP		0.87

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

LitVar

Other links and lift over

dbSNP: rs312262746; hg19: chr15-44912525;