Genetic Variant CRISPLD2:p.Asn27Asn (chr16-84838576-C-T) – ACMG Classification: Likely_benign (-2 pts)

Variant summary

Our verdict is Likely benign. Variant got -2 ACMG points: 2P and 4B. PM2BP4_ModerateBP6BP7

The NM_031476.4(CRISPLD2):c.81C>T(p.Asn27Asn) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000284 in 1,614,238 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (no stars).

Frequency

Genomes: 𝑓 0.00038 ( 0 hom., cov: 33)

Exomes 𝑓: 0.00027 ( 0 hom. )

Consequence

CRISPLD2
NM_031476.4 synonymous

Scores

Clinical Significance

Likely benign no assertion criteria provided B:1

Conservation

PhyloP100: 0.0210

Variant links:

Genes affected

CRISPLD2 (HGNC:25248): (cysteine rich secretory protein LCCL domain containing 2) Predicted to enable glycosaminoglycan binding activity. Involved in face morphogenesis. Located in transport vesicle. [provided by Alliance of Genome Resources, Apr 2022]

CRISPLD2 links:

ENSG00000285848 (HGNC:):

ENSG00000285848 links:

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ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.34).

BP6

Variant 16-84838576-C-T is Benign according to our data. Variant chr16-84838576-C-T is described in ClinVar as [Likely_benign]. Clinvar id is 3050229.Status of the report is no_assertion_criteria_provided, 0 stars.

BP7

Synonymous conserved (PhyloP=0.021 with no splicing effect.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
CRISPLD2	NM_031476.4 link	c.81C>T	p.Asn27Asn	synonymous_variant	Exon 2 of 15	ENST00000262424.10	NP_113664.1	Q9H0B8-1A0A140VK80
CRISPLD2	XM_005256190.2 link	c.81C>T	p.Asn27Asn	synonymous_variant	Exon 3 of 16		XP_005256247.1	Q9H0B8-1A0A140VK80

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
CRISPLD2	ENST00000262424.10 link	c.81C>T	p.Asn27Asn	synonymous_variant	Exon 2 of 15	1	NM_031476.4	ENSP00000262424.5		Q9H0B8-1

Frequencies

GnomAD3 genomes

AF:

0.000381

AC:

AN:

152230

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000482

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000131

Gnomad ASJ

AF:

0.00259

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.000282

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.000617

Gnomad OTH

AF:

0.00

GnomAD3 exomes

AF:

0.000394

AC:

AN:

251468

Hom.:

AF XY:

0.000368

AC XY:

AN XY:

135908

show subpopulations

Gnomad AFR exome

AF:

0.0000615

Gnomad AMR exome

AF:

0.000347

Gnomad ASJ exome

AF:

0.00208

Gnomad EAS exome

AF:

0.000109

Gnomad SAS exome

AF:

0.0000327

Gnomad FIN exome

AF:

0.0000924

Gnomad NFE exome

AF:

0.000519

Gnomad OTH exome

AF:

0.000163

GnomAD4 exome

AF:

0.000274

AC:

400

AN:

1461890

Hom.:

Cov.:

AF XY:

0.000281

AC XY:

204

AN XY:

727248

show subpopulations

Gnomad4 AFR exome

AF:

0.0000299

Gnomad4 AMR exome

AF:

0.000291

Gnomad4 ASJ exome

AF:

0.00264

Gnomad4 EAS exome

AF:

0.0000252

Gnomad4 SAS exome

AF:

0.0000232

Gnomad4 FIN exome

AF:

0.000112

Gnomad4 NFE exome

AF:

0.000254

Gnomad4 OTH exome

AF:

0.000348

GnomAD4 genome

AF:

0.000381

AC:

AN:

152348

Hom.:

Cov.:

AF XY:

0.000430

AC XY:

AN XY:

74486

show subpopulations

Gnomad4 AFR

AF:

0.0000481

Gnomad4 AMR

AF:

0.000131

Gnomad4 ASJ

AF:

0.00259

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.00

Gnomad4 FIN

AF:

0.000282

Gnomad4 NFE

AF:

0.000617

Gnomad4 OTH

AF:

0.00

Alfa

AF:

0.000549

Hom.:

Bravo

AF:

0.000306

EpiCase

AF:

0.000491

EpiControl

AF:

0.000652

ClinVar

Significance: Likely benign

Submissions summary: Benign:1

Revision: no assertion criteria provided

LINK: link

Submissions by phenotype

CRISPLD2-related disorder

Benign:1

Jul 11, 2019

PreventionGenetics, part of Exact Sciences

Significance: Likely benign

Review Status: no assertion criteria provided

Collection Method: clinical testing

This variant is classified as likely benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications). -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.34

CADD

Benign

3.5

DANN

Benign

0.79

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.040

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