rs201152575
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Variant summary
Our verdict is Likely benign. Variant got -3 ACMG points: 2P and 5B. PM2BP4_ModerateBP6_ModerateBP7
The NM_001330078.2(NRXN1):c.1647C>T(p.His549=) 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 1,461,672 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★).
Frequency
Genomes: not found (cov: 32)
Exomes 𝑓: 6.8e-7 ( 0 hom. )
Consequence
NRXN1
NM_001330078.2 synonymous
NM_001330078.2 synonymous
Scores
2
Clinical Significance
Conservation
PhyloP100: 1.19
Genes affected
NRXN1 (HGNC:8008): (neurexin 1) This gene encodes a single-pass type I membrane protein that belongs to the neurexin family. Neurexins are cell-surface receptors that bind neuroligins to form Ca(2+)-dependent neurexin/neuroligin complexes at synapses in the central nervous system. This complex is required for efficient neurotransmission and is involved in the formation of synaptic contacts. Three members of this gene family have been studied in detail and are estimated to generate over 3,000 variants through the use of two alternative promoters (alpha and beta) and extensive alternative splicing in each family member. Recently, a third promoter (gamma) was identified for this gene in the 3' region. Mutations in this gene are associated with Pitt-Hopkins-like syndrome-2 and may contribute to susceptibility to schizophrenia. [provided by RefSeq, Aug 2016]
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ACMG classification
Classification made for transcript
Verdict is Likely_benign. Variant got -3 ACMG points.
PM2
?
Very rare variant in population databases, with high coverage;
BP4
?
Computational evidence support a benign effect (BayesDel_noAF=-0.45).
BP6
?
Variant 2-50552699-G-A is Benign according to our data. Variant chr2-50552699-G-A is described in ClinVar as [Likely_benign]. Clinvar id is 2957739.Status of the report is criteria_provided_single_submitter, 1 stars.
BP7
?
Synonymous conserved (PhyloP=1.19 with no splicing effect.
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | UniProt |
---|---|---|---|---|---|---|---|
NRXN1 | NM_001330078.2 | c.1647C>T | p.His549= | synonymous_variant | 9/23 | ENST00000401669.7 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|
NRXN1 | ENST00000401669.7 | c.1647C>T | p.His549= | synonymous_variant | 9/23 | 5 | NM_001330078.2 | A1 |
Frequencies
GnomAD3 genomes ? Cov.: 32
GnomAD3 genomes
?
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GnomAD3 exomes AF: 0.00000401 AC: 1AN: 249274Hom.: 0 AF XY: 0.00 AC XY: 0AN XY: 135236
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GnomAD4 exome AF: 6.84e-7 AC: 1AN: 1461672Hom.: 0 Cov.: 32 AF XY: 0.00 AC XY: 0AN XY: 727116
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GnomAD4 genome ? Cov.: 32
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ClinVar
Significance: Likely benign
Submissions summary: Benign:1
Revision: criteria provided, single submitter
LINK: link
Submissions by phenotype
Pitt-Hopkins-like syndrome 2 Benign:1
Likely benign, criteria provided, single submitter | clinical testing | Invitae | Jan 07, 2024 | - - |
Computational scores
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BayesDel_noAF
Benign
CADD
Benign
DANN
Benign
Splicing
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Details are displayed if max score is > 0.2
Find out detailed SpliceAI scores and Pangolin per-transcript scores at