3-173479922-A-G

Variant names:

• chr3-173479922-A-G
• rs483487
• NM_001365925.2:c.-321+81859A>G

Variant summary

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

The NM_001365925.2(NLGN1):​c.-321+81859A>G 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: NLGN1 NM_001365925.2 intron
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: -0.108
• Publications: 3 publications found

Genes affected

NLGN1 (HGNC:14291): (neuroligin 1) This gene encodes a member of a family of neuronal cell surface proteins. Members of this family may act as splice site-specific ligands for beta-neurexins and may be involved in the formation and remodeling of central nervous system synapses. [provided by RefSeq, Jul 2008]

NLGN1 Gene-Disease associations (from GenCC):

• autism, susceptibility to, 20

  Inheritance: AD, Unknown Classification: MODERATE, LIMITED Submitted by: Ambry Genetics, Labcorp Genetics (formerly Invitae)

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=-0.87).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001365925.2. 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
	NLGN1	NM_001365925.2	MANE Select	c.-321+81859A>G		intron	N/A	NP_001352854.1	A0A8Q3SHM6
	NLGN1	NM_001365923.2		c.-321+83227A>G		intron	N/A	NP_001352852.1
	NLGN1	NM_001365924.2		c.-321+83227A>G		intron	N/A	NP_001352853.1	A0A8Q3SHM6

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	NLGN1	ENST00000695368.1	MANE Select	c.-321+81859A>G		intron	N/A	ENSP00000511841.1	A0A8Q3SHM6
	NLGN1	ENST00000457714.5	TSL:1	c.-321+44844A>G		intron	N/A	ENSP00000392500.1	Q8N2Q7-2
	NLGN1	ENST00000423427.1	TSL:4	c.-321+83227A>G		intron	N/A	ENSP00000407255.1	C9JWG7

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

Alfa AF: 0.00 Hom.: 19148

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.87
CADD	Benign	0.48
DANN	Benign	0.73
PhyloP100		-0.11

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: rs483487; hg19: chr3-173197712;