19-51265546-C-T

Variant names:

• chr19-51265546-C-T
• rs767523056
• NM_001385465.1:c.201C>T

Variant summary

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

The NM_001385465.1(SIGLECL1):​c.201C>T​(p.Asn67Asn) 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: SIGLECL1 NM_001385465.1 synonymous
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 3.36
• Publications: 0 publications found

Genes affected

SIGLECL1 (HGNC:26856): (SIGLEC family like 1) Predicted to enable sialic acid binding activity. Predicted to be involved in cell adhesion. Predicted to be integral component of membrane. Predicted to be active in plasma membrane. [provided by Alliance of Genome Resources, Apr 2022]

ENSG00000268595 (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=-0.5).
• BP7: Synonymous conserved (PhyloP=3.36 with no splicing effect.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001385465.1. 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
	SIGLECL1	NM_001385465.1	MANE Select	c.201C>T	p.Asn67Asn	synonymous	Exon 3 of 6	NP_001372394.1	Q8N7X8
	SIGLECL1	NM_001385466.1		c.201C>T	p.Asn67Asn	synonymous	Exon 3 of 6	NP_001372395.1	Q8N7X8
	SIGLECL1	NM_173635.3		c.201C>T	p.Asn67Asn	synonymous	Exon 3 of 6	NP_775906.1	Q8N7X8

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	SIGLECL1	ENST00000601727.6	TSL:3 MANE Select	c.201C>T	p.Asn67Asn	synonymous	Exon 3 of 6	ENSP00000469601.2	Q8N7X8
	SIGLECL1	ENST00000614422.4	TSL:1	c.201C>T	p.Asn67Asn	synonymous	Exon 2 of 5	ENSP00000480286.1	Q8N7X8
	SIGLECL1	ENST00000597824.1	TSL:1	c.23-231C>T		intron	N/A	ENSP00000472702.1	B7ZLS6

Frequencies

GnomAD3 genomes Cov.: 32

GnomAD4 exome AF: 6.84e-7 AC: 1 AN: 1461862 Hom.: 0 Cov.: 32 AF XY: 0.00 AC XY: 0 AN XY: 727230

⚠️ 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: 86258

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 53402

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

European-Non Finnish (NFE) AF: 8.99e-7 AC: 1 AN: 1112000

Other (OTH) AF: 0.00 AC: 0 AN: 60394

⚠️ 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	-0.50
CADD	Benign	7.4
DANN	Benign	0.44
PhyloP100		3.4

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: rs767523056; hg19: chr19-51768800;