chr10-70868393-C-A

Variant names:

• chr10-70868393-C-A
• rs1131692255
• NM_003901.4:c.664C>A

Variant summary

Our verdict is Likely benign. The variant received -1 ACMG points: 2P and 3B. PM2 BP4_Moderate BP7

The NM_003901.4(SGPL1):​c.664C>A​(p.Arg222Arg) 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 1,461,398 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: SGPL1 NM_003901.4 synonymous
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 2.10
• Publications: 0 publications found

Genes affected

SGPL1 (HGNC:10817): (sphingosine-1-phosphate lyase 1) Enables sphinganine-1-phosphate aldolase activity. Involved in apoptotic signaling pathway; fatty acid metabolic process; and sphingolipid metabolic process. Located in endoplasmic reticulum. Implicated in nephrotic syndrome type 14. [provided by Alliance of Genome Resources, Apr 2022]

SGPL1 Gene-Disease associations (from GenCC):

• nephrotic syndrome 14

  Inheritance: AR Classification: DEFINITIVE, STRONG, MODERATE Submitted by: Ambry Genetics, ClinGen, PanelApp Australia, Labcorp Genetics (formerly Invitae)

ACMG classification

Our verdict: Likely_benign. The variant received -1 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (BayesDel_noAF=-0.22).
• BP7: Synonymous conserved (PhyloP=2.1 with no splicing effect.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_003901.4. 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
	SGPL1	NM_003901.4	MANE Select	c.664C>A	p.Arg222Arg	synonymous	Exon 8 of 15	NP_003892.2
	SGPL1	NM_001438353.1		c.697C>A	p.Arg233Arg	synonymous	Exon 9 of 16	NP_001425282.1
	SGPL1	NM_001438354.1		c.664C>A	p.Arg222Arg	synonymous	Exon 8 of 15	NP_001425283.1

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	SGPL1	ENST00000373202.8	TSL:1 MANE Select	c.664C>A	p.Arg222Arg	synonymous	Exon 8 of 15	ENSP00000362298.3	O95470
	SGPL1	ENST00000697928.1		c.664C>A	p.Arg222Arg	synonymous	Exon 8 of 15	ENSP00000513482.1	O95470
	SGPL1	ENST00000697931.1		c.664C>A	p.Arg222Arg	synonymous	Exon 8 of 15	ENSP00000513485.1	O95470

Frequencies

GnomAD3 genomes Cov.: 32

GnomAD4 exome AF: 6.84e-7 AC: 1 AN: 1461398 Hom.: 0 Cov.: 30 AF XY: 0.00000138 AC XY: 1 AN XY: 726990

African (AFR) AF: 0.00 AC: 0 AN: 33454

American (AMR) AF: 0.00 AC: 0 AN: 44688

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 26108

East Asian (EAS) AF: 0.00 AC: 0 AN: 39654

South Asian (SAS) AF: 0.00 AC: 0 AN: 86216

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 53394

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 5766

European-Non Finnish (NFE) AF: 8.99e-7 AC: 1 AN: 1111740

Other (OTH) AF: 0.00 AC: 0 AN: 60378

GnomAD4 genome Cov.: 32

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.22
CADD	Benign	14
DANN	Benign	0.72
PhyloP100		2.1
RBP_binding_hub_radar		0.0
RBP_regulation_power_radar		1.7

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: rs1131692255; hg19: chr10-72628150;