2-131500342-A-G

Variant names:

• chr2-131500342-A-G
• ENST00000438378.2:n.638A>G

Variant summary

Our verdict is Uncertain significance. Variant got 0 ACMG points: 2P and 2B. PM2 BP4_Moderate

The ENST00000438378.2(SMPD4BP):​n.638A>G variant causes a non coding transcript exon change. The variant allele was found at a frequency of 0.000000698 in 1,432,186 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: 7.0e-7 (0 hom.)
• Consequence: SMPD4BP ENST00000438378.2 non_coding_transcript_exon
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 5.61

Genes affected

SMPD4BP (HGNC:24761): (sphingomyelin phosphodiesterase 4B, pseudogene)

ACMG classification

Verdict is Uncertain_significance. Variant got 0 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (BayesDel_noAF=-0.4).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
SMPD4BP	NR_026922.1	n.638A>G		non_coding_transcript_exon_variant	Exon 4 of 18

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
SMPD4BP	ENST00000438378.2	n.638A>G		non_coding_transcript_exon_variant	Exon 4 of 18	1
SMPD4BP	ENST00000415574.6	n.638A>G		non_coding_transcript_exon_variant	Exon 4 of 19	6
SMPD4BP	ENST00000685161.1	n.288A>G		non_coding_transcript_exon_variant	Exon 3 of 3

Frequencies

GnomAD3 genomes Cov.: 32

GnomAD4 exome AF: 6.98e-7 AC: 1 AN: 1432186 Hom.: 0 Cov.: 32 AF XY: 0.00000141 AC XY: 1 AN XY: 708968

Gnomad4 AFR exome AF: 0.00

Gnomad4 AMR exome AF: 0.00

Gnomad4 ASJ exome AF: 0.00

Gnomad4 EAS exome AF: 0.00

Gnomad4 SAS exome AF: 0.0000124

Gnomad4 FIN exome AF: 0.00

Gnomad4 NFE exome AF: 0.00

Gnomad4 OTH exome AF: 0.00

GnomAD4 genome Cov.: 32

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.40
CADD	Benign	17
DANN	Benign	0.76
RBP_binding_hub_radar		0.0
RBP_regulation_power_radar		1.1

Splicing

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

No publications associated with this variant yet.

Other links and lift over

hg19: chr2-132257915;