Genetic Variant DPYSL5:p.Asp20Asn (chr2-26898557-G-A) – ACMG Classification: Likely_benign (-4 pts)

Variant summary

Our verdict is Likely benign. Variant got -4 ACMG points: 0P and 4B. BS2

The NM_020134.4(DPYSL5):c.58G>A(p.Asp20Asn) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.00000805 in 1,614,046 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000026 ( 0 hom., cov: 32)

Exomes 𝑓: 0.0000062 ( 0 hom. )

Consequence

DPYSL5
NM_020134.4 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 9.57

Variant links:

Genes affected

DPYSL5 (HGNC:20637): (dihydropyrimidinase like 5) This gene encodes a member of the CRMP (collapsing response mediator protein) family thought to be involved in neural development. Antibodies to the encoded protein were found in some patients with neurologic symptoms who had paraneoplastic syndrome. A pseudogene of this gene is found on chromosome 11. Multiple alternatively spliced variants, encoding the same protein, have been identified. [provided by RefSeq, Dec 2011]

DPYSL5 links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -4 ACMG points.

BS2

High AC in GnomAdExome4 at 9 AD gene.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
DPYSL5	NM_020134.4 link	c.58G>A	p.Asp20Asn	missense_variant	Exon 2 of 13	ENST00000288699.11	NP_064519.2	Q9BPU6
DPYSL5	NM_001253723.2 link	c.58G>A	p.Asp20Asn	missense_variant	Exon 2 of 13		NP_001240652.1	Q9BPU6
DPYSL5	NM_001253724.2 link	c.58G>A	p.Asp20Asn	missense_variant	Exon 2 of 13		NP_001240653.1	Q9BPU6
DPYSL5	XM_024453007.2 link	c.58G>A	p.Asp20Asn	missense_variant	Exon 2 of 13		XP_024308775.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
DPYSL5	ENST00000288699.11 link	c.58G>A	p.Asp20Asn	missense_variant	Exon 2 of 13	1	NM_020134.4	ENSP00000288699.6		Q9BPU6

Frequencies

GnomAD3 genomes

AF:

0.0000263

AC:

AN:

152154

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000483

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:

0.0000159

AC:

AN:

251422

Hom.:

AF XY:

0.0000147

AC XY:

AN XY:

135894

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 SAS exome

AF:

0.0000980

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00000879

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.00000616

AC:

AN:

1461892

Hom.:

Cov.:

AF XY:

0.00000688

AC XY:

AN XY:

727246

show subpopulations

Gnomad4 AFR exome

AF:

0.0000299

Gnomad4 AMR exome

AF:

0.00

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.00

Gnomad4 SAS exome

AF:

0.0000348

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.00000450

Gnomad4 OTH exome

AF:

0.00

GnomAD4 genome

AF:

0.0000263

AC:

AN:

152154

Hom.:

Cov.:

AF XY:

0.0000404

AC XY:

AN XY:

74334

show subpopulations

Gnomad4 AFR

AF:

0.0000483

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:

0.0000113

ExAC

AF:

0.0000247

AC:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

Inborn genetic diseases

Uncertain:1

Feb 03, 2022

Ambry Genetics

Significance: Uncertain significance

Review Status: criteria provided, single submitter

Collection Method: clinical testing

The c.58G>A (p.D20N) alteration is located in exon 2 (coding exon 1) of the DPYSL5 gene. This alteration results from a G to A substitution at nucleotide position 58, causing the aspartic acid (D) at amino acid position 20 to be replaced by an asparagine (N). 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

Uncertain

0.55

BayesDel_addAF

Benign

-0.15

BayesDel_noAF

Benign

-0.25

CADD

Pathogenic

DANN

Pathogenic

1.0

DEOGEN2

Uncertain

0.50

.;D;D;T;D;.

Eigen

Uncertain

0.65

Eigen_PC

Uncertain

0.66

FATHMM_MKL

Pathogenic

0.99

LIST_S2

Benign

0.86

D;.;.;T;D;D

M_CAP

Benign

0.047

MetaRNN

Uncertain

0.53

D;D;D;D;D;D

MetaSVM

Uncertain

0.23

MutationAssessor

Benign

1.2

.;L;L;.;L;.

PrimateAI

Pathogenic

0.84

PROVEAN

Uncertain

-3.3

D;D;D;D;.;D

REVEL

Uncertain

0.43

Sift

Benign

0.041

D;D;D;D;.;D

Sift4G

Benign

0.18

T;T;T;T;T;T

Polyphen

1.0

.;D;D;.;D;.

Vest4

0.43, 0.43

MutPred

0.48

Loss of catalytic residue at D20 (P = 0.0236);Loss of catalytic residue at D20 (P = 0.0236);Loss of catalytic residue at D20 (P = 0.0236);Loss of catalytic residue at D20 (P = 0.0236);Loss of catalytic residue at D20 (P = 0.0236);Loss of catalytic residue at D20 (P = 0.0236);

MVP

0.84

MPC

1.9

ClinPred

0.79

GERP RS

4.6

Varity_R

0.73

gMVP

0.95

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

Below is the list of publications found by LitVar. It may be empty.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over