3-174051721-G-A

Variant names:

• chr3-174051721-G-A
• rs9854235
• NM_001365925.2:c.707-223594G>A

Variant summary

Our verdict is Benign. The variant received -12 ACMG points: 0P and 12B. BP4_Strong BA1

The NM_001365925.2(NLGN1):​c.707-223594G>A variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.151 in 151,946 control chromosomes in the GnomAD database, including 2,074 homozygotes. 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: 𝑓 0.15 (2074 hom., cov: 32)
• Consequence: NLGN1 NM_001365925.2 intron
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 1.13
• Publications: 5 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: Unknown, AD Classification: MODERATE, LIMITED Submitted by: Labcorp Genetics (formerly Invitae), Ambry Genetics

ACMG classification

Our verdict: Benign. The variant received -12 ACMG points.

• BP4: Computational evidence support a benign effect (BayesDel_noAF=-0.8).
• BA1: GnomAd4 highest subpopulation (AFR) allele frequency at 95% confidence interval = 0.257 is higher than 0.05.

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

Selected	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	NLGN1	NM_001365925.2	MANE Select	c.707-223594G>A		intron	N/A	NP_001352854.1
	NLGN1	NM_001365923.2		c.707-223594G>A		intron	N/A	NP_001352852.1
	NLGN1	NM_001365924.2		c.707-223594G>A		intron	N/A	NP_001352853.1

Ensembl Transcripts

Selected	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	NLGN1	ENST00000695368.1	MANE Select	c.707-223594G>A		intron	N/A	ENSP00000511841.1
	NLGN1	ENST00000415045.2	TSL:1	c.767-223594G>A		intron	N/A	ENSP00000410374.2
	NLGN1	ENST00000361589.8	TSL:1	c.647-223594G>A		intron	N/A	ENSP00000354541.4

Frequencies

GnomAD3 genomes AF: 0.151 AC: 22879 AN: 151826 Hom.: 2074 Cov.: 32

Gnomad AFR AF: 0.261

Gnomad AMI AF: 0.169

Gnomad AMR AF: 0.0851

Gnomad ASJ AF: 0.0848

Gnomad EAS AF: 0.181

Gnomad SAS AF: 0.133

Gnomad FIN AF: 0.110

Gnomad MID AF: 0.0918

Gnomad NFE AF: 0.108

Gnomad OTH AF: 0.134

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

GnomAD4 genome AF: 0.151 AC: 22903 AN: 151946 Hom.: 2074 Cov.: 32 AF XY: 0.150 AC XY: 11105 AN XY: 74262

African (AFR) AF: 0.261 AC: 10801 AN: 41434

American (AMR) AF: 0.0850 AC: 1296 AN: 15248

Ashkenazi Jewish (ASJ) AF: 0.0848 AC: 294 AN: 3468

East Asian (EAS) AF: 0.180 AC: 923 AN: 5134

South Asian (SAS) AF: 0.134 AC: 644 AN: 4814

European-Finnish (FIN) AF: 0.110 AC: 1170 AN: 10592

Middle Eastern (MID) AF: 0.0918 AC: 27 AN: 294

European-Non Finnish (NFE) AF: 0.108 AC: 7312 AN: 67944

Other (OTH) AF: 0.134 AC: 282 AN: 2106

Alfa AF: 0.120 Hom.: 5263

Bravo AF: 0.153

Asia WGS AF: 0.135 AC: 470 AN: 3478

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.80
CADD	Benign	15
DANN	Benign	0.49
PhyloP100		1.1
Mutation Taster		=100/0	polymorphism (auto)

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: rs9854235; hg19: chr3-173769511;