Genetic Variant STARD13:p.Pro962Arg (chr13-33110035-G-C) – ACMG Classification: Uncertain_significance (4 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 4 ACMG points: 4P and 0B. PM2PP3_Moderate

The NM_178006.4(STARD13):c.2885C>G(p.Pro962Arg) variant causes a missense change. The variant allele was found at a frequency of 0.00000657 in 152,224 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. P962L) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 33)

Consequence

STARD13
NM_178006.4 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 6.69

Publications

0 publications found

Variant links:

Genes affected

STARD13 (HGNC:19164): (StAR related lipid transfer domain containing 13) This gene encodes a protein which contains an N-terminal sterile alpha motif (SAM) for protein-protein interactions, followed by an ATP/GTP-binding motif, a GTPase-activating protein (GAP) domain, and a C-terminal STAR-related lipid transfer (START) domain. It may be involved in regulation of cytoskeletal reorganization, cell proliferation, and cell motility, and acts as a tumor suppressor in hepatoma cells. The gene is located in a region of chromosome 13 that is associated with loss of heterozygosity in hepatocellular carcinomas. Alternatively spliced transcript variants encoding different isoforms have been described for this gene. [provided by RefSeq, Aug 2011]

STARD13 Gene-Disease associations (from GenCC):

schizophrenia
Inheritance: Unknown Classification: NO_KNOWN Submitted by: Labcorp Genetics (formerly Invitae)

STARD13 links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 4 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

PP3

MetaRNN computational evidence supports a deleterious effect, 0.877

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
STARD13	NM_178006.4 link	c.2885C>G	p.Pro962Arg	missense_variant	Exon 12 of 14	ENST00000336934.10	NP_821074.1	Q9Y3M8-1A0A024RDV4

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
STARD13	ENST00000336934.10 link	c.2885C>G	p.Pro962Arg	missense_variant	Exon 12 of 14	1	NM_178006.4	ENSP00000338785.4	Q9Y3M8-1
STARD13	ENST00000255486.8 link	c.2861C>G	p.Pro954Arg	missense_variant	Exon 12 of 14	1		ENSP00000255486.4	Q9Y3M8-2
STARD13	ENST00000567873.2 link	c.2840C>G	p.Pro947Arg	missense_variant	Exon 12 of 14	1		ENSP00000456233.2	H3BRG5
STARD13	ENST00000399365.7 link	c.2531C>G	p.Pro844Arg	missense_variant	Exon 12 of 14	1		ENSP00000382300.3	Q9Y3M8-3

Frequencies

GnomAD3 genomes

AF:

0.00000657

AC:

AN:

152224

Hom.:

Cov.:

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:

0.000207

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.00

Gnomad OTH

AF:

0.00

GnomAD4 exome

Cov.:

GnomAD4 genome

AF:

0.00000657

AC:

AN:

152224

Hom.:

Cov.:

AF XY:

0.0000134

AC XY:

AN XY:

74370

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

41454

American (AMR)

AF:

0.00

AC:

AN:

15286

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3472

East Asian (EAS)

AF:

0.00

AC:

AN:

5198

South Asian (SAS)

AF:

0.000207

AC:

AN:

4832

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10618

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

68042

Other (OTH)

AF:

0.00

AC:

AN:

2094

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.475

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.00

Hom.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Pathogenic

0.92

BayesDel_addAF

Pathogenic

0.21

BayesDel_noAF

Uncertain

0.060

CADD

Pathogenic

(source)

DANN

Uncertain

1.0

DEOGEN2

Uncertain

0.75

D;.;.

Eigen

Pathogenic

0.75

Eigen_PC

Pathogenic

0.69

FATHMM_MKL

Uncertain

0.91

LIST_S2

Uncertain

0.96

D;D;D

M_CAP

Benign

0.027

MetaRNN

Pathogenic

0.88

D;D;D

MetaSVM

Benign

-0.48

MutationAssessor

Uncertain

2.9

M;.;.

PhyloP100

6.7

PrimateAI

Uncertain

0.73

PROVEAN

Pathogenic

-5.1

D;D;D

REVEL

Uncertain

0.47

Sift

Uncertain

0.0060

D;D;D

Sift4G

Uncertain

0.0060

D;D;D

Polyphen

0.99

D;D;.

Vest4

0.92

MutPred

0.58

Loss of catalytic residue at P962 (P = 0.0084);.;.;

MVP

0.80

MPC

0.63

ClinPred

1.0

GERP RS

5.3

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.7

Varity_R

0.63

gMVP

0.61

Mutation Taster

=54/46

polymorphism

(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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13-33110035-G-C

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over