16-84849391-C-G

Variant names:

• chr16-84849391-C-G
• rs138518275
• NM_031476.4:c.366C>G

Variant summary

Our verdict is Likely benign. The variant received -3 ACMG points: 2P and 5B. PM2 BP4_Strong BP7

The NM_031476.4(CRISPLD2):​c.366C>G​(p.Arg122Arg) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000685 in 1,460,750 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Synonymous variant affecting the same amino acid position (i.e. R122R) has been classified as Likely benign.

• Frequency:
  • Genomes: not found (cov: 33)
  • Exomes 𝑓: 6.8e-7 (0 hom.)
• Consequence: CRISPLD2 NM_031476.4 synonymous
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: -1.15
• Publications: 1 publications found

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]

ENSG00000285848 (HGNC:):

ACMG classification

Our verdict: Likely_benign. The variant received -3 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (BayesDel_noAF=-0.72).
• BP7: Synonymous conserved (PhyloP=-1.15 with no splicing effect.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_031476.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	CRISPLD2	NM_031476.4	MANE Select	c.366C>G	p.Arg122Arg	synonymous	Exon 4 of 15	NP_113664.1	Q9H0B8-1

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	CRISPLD2	ENST00000262424.10	TSL:1 MANE Select	c.366C>G	p.Arg122Arg	synonymous	Exon 4 of 15	ENSP00000262424.5	Q9H0B8-1
	CRISPLD2	ENST00000564567.5	TSL:1	c.366C>G	p.Arg122Arg	synonymous	Exon 4 of 13	ENSP00000457655.1	Q9H0B8-2
	CRISPLD2	ENST00000941702.1		c.366C>G	p.Arg122Arg	synonymous	Exon 4 of 15	ENSP00000611761.1

Frequencies

GnomAD3 genomes Cov.: 33

GnomAD2 exomes AF: 0.00000399 AC: 1 AN: 250814 AF XY: 0.00000738

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 FIN exome AF: 0.00

Gnomad NFE exome AF: 0.00

Gnomad OTH exome AF: 0.00

GnomAD4 exome AF: 6.85e-7 AC: 1 AN: 1460750 Hom.: 0 Cov.: 42 AF XY: 0.00000138 AC XY: 1 AN XY: 726512

African (AFR) AF: 0.00 AC: 0 AN: 33466

American (AMR) AF: 0.00 AC: 0 AN: 44700

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 26114

East Asian (EAS) AF: 0.00 AC: 0 AN: 39668

South Asian (SAS) AF: 0.0000116 AC: 1 AN: 86190

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 53400

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 5666

European-Non Finnish (NFE) AF: 0.00 AC: 0 AN: 1111226

Other (OTH) AF: 0.00 AC: 0 AN: 60320

GnomAD4 genome Cov.: 33

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.72
CADD	Benign	6.1
DANN	Benign	0.51
PhyloP100		-1.2
PromoterAI		0.010	Neutral

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

Other links and lift over

dbSNP: rs138518275; hg19: chr16-84882997;