chr4-56314087-C-T

Variant names:

• chr4-56314087-C-T
• rs775775441
• NM_001393381.1:c.585C>T

Variant summary

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

The NM_001393381.1(CRACD):​c.585C>T​(p.Asp195Asp) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000684 in 1,461,862 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.

• Frequency:
  • Genomes: not found (cov: 32)
  • Exomes 𝑓: 6.8e-7 (0 hom.)
• Consequence: CRACD NM_001393381.1 synonymous
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 0.758
• Publications: 0 publications found

Genes affected

CRACD (HGNC:29219): (capping protein inhibiting regulator of actin dynamics) Involved in negative regulation of barbed-end actin filament capping. Predicted to be located in cytosol. [provided by Alliance of Genome Resources, Apr 2022]

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=-0.53).
• BP7: Synonymous conserved (PhyloP=0.758 with no splicing effect.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001393381.1. 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
	CRACD	NM_001393381.1	MANE Select	c.585C>T	p.Asp195Asp	synonymous	Exon 8 of 11	NP_001380310.1	Q6ZU35
	CRACD	NM_001393382.1		c.585C>T	p.Asp195Asp	synonymous	Exon 7 of 10	NP_001380311.1	Q6ZU35
	CRACD	NM_020722.2		c.585C>T	p.Asp195Asp	synonymous	Exon 8 of 11	NP_065773.1	Q6ZU35

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	CRACD	ENST00000682029.1	MANE Select	c.585C>T	p.Asp195Asp	synonymous	Exon 8 of 11	ENSP00000507165.1	Q6ZU35
	CRACD	ENST00000541073.5	TSL:1	c.564C>T	p.Asp188Asp	synonymous	Exon 7 of 10	ENSP00000444006.1	F5H1N7
	CRACD	ENST00000646253.2		c.840C>T	p.Asp280Asp	synonymous	Exon 9 of 12	ENSP00000495373.2	A0A2R8Y6P1

Frequencies

GnomAD3 genomes Cov.: 32

GnomAD4 exome AF: 6.84e-7 AC: 1 AN: 1461862 Hom.: 0 Cov.: 30 AF XY: 0.00 AC XY: 0 AN XY: 727232

⚠️ The allele balance in gnomAD version 4 Exomes is significantly skewed from the expected value of 0.5.

African (AFR) AF: 0.00 AC: 0 AN: 33480

American (AMR) AF: 0.00 AC: 0 AN: 44724

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 26136

East Asian (EAS) AF: 0.00 AC: 0 AN: 39700

South Asian (SAS) AF: 0.00 AC: 0 AN: 86256

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 53404

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 5768

European-Non Finnish (NFE) AF: 8.99e-7 AC: 1 AN: 1111998

Other (OTH) AF: 0.00 AC: 0 AN: 60396

⚠️ The allele balance in gnomAD4 Exomes is highly skewed from 0.5 (p-value = 0), which strongly suggests a high chance of mosaicism in these individuals.

GnomAD4 genome Cov.: 32

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.53
CADD	Benign	8.6
DANN	Benign	0.44
PhyloP100		0.76

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: rs775775441; hg19: chr4-57180253;