chr19-8224635-C-T

Variant names:

• chr19-8224635-C-T
• rs1466448
• NM_024552.3:c.-2+13773C>T

Variant summary

Our verdict is Likely benign. The variant received -2 ACMG points: 2P and 4B. PM2 BP4_Strong

The NM_024552.3(CERS4):​c.-2+13773C>T variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. 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: 31)
• Consequence: CERS4 NM_024552.3 intron
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: -3.10
• Publications: 0 publications found

Genes affected

CERS4 (HGNC:23747): (ceramide synthase 4) Enables sphingosine N-acyltransferase activity. Involved in ceramide biosynthetic process. Predicted to be located in endoplasmic reticulum membrane. Predicted to be active in endoplasmic reticulum. [provided by Alliance of Genome Resources, Apr 2022]

ENSG00000271717 (HGNC:):

ACMG classification

Our verdict: Likely_benign. The variant received -2 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (BayesDel_noAF=-0.84).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_024552.3. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Selected	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	CERS4	NM_024552.3	MANE Select	c.-2+13773C>T		intron	N/A	NP_078828.2

Ensembl Transcripts

Selected	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	CERS4	ENST00000251363.10	TSL:1 MANE Select	c.-2+13773C>T		intron	N/A	ENSP00000251363.5
	CERS4	ENST00000559336.5	TSL:1	c.-2+13773C>T		intron	N/A	ENSP00000453815.1
	CERS4	ENST00000595722.5	TSL:1	n.385+10154C>T		intron	N/A

Frequencies

GnomAD3 genomes Cov.: 31

We have no GnomAD4 exomes data on this position. Probably position not covered by the project.

GnomAD4 genome Cov.: 31

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.84
CADD	Benign	0.85
DANN	Benign	0.93
PhyloP100		-3.1
PromoterAI		0.021	Neutral
RBP_binding_hub_radar		0.0
RBP_regulation_power_radar		1.2

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: rs1466448; hg19: chr19-8289519;