NM_032270.5:c.-4-14160T>G

Variant names:

• chr1-89672310-T-G
• NM_032270.5:c.-4-14160T>G

Variant summary

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

The NM_032270.5(LRRC8C):​c.-4-14160T>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: 33)
• Consequence: LRRC8C NM_032270.5 intron
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 1.46
• Publications: 0 publications found

Genes affected

LRRC8C (HGNC:25075): (leucine rich repeat containing 8 VRAC subunit C) Enables volume-sensitive anion channel activity. Involved in cyclic-GMP-AMP transmembrane import across plasma membrane. Located in cytoplasm and plasma membrane. Is integral component of plasma membrane. [provided by Alliance of Genome Resources, Apr 2022]

LRRC8C Gene-Disease associations (from GenCC):

• neurodevelopmental disorder

  Inheritance: AD Classification: LIMITED Submitted by: Ambry Genetics

ENSG00000271949 (HGNC:):

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=-0.81).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
LRRC8C	NM_032270.5	c.-4-14160T>G		intron_variant	Intron 1 of 2	ENST00000370454.9	NP_115646.3

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
LRRC8C	ENST00000370454.9	c.-4-14160T>G		intron_variant	Intron 1 of 2	1	NM_032270.5	ENSP00000359483.4
ENSG00000271949	ENST00000370453.5	n.-4-14160T>G		intron_variant	Intron 1 of 3	5		ENSP00000359482.5

Frequencies

GnomAD3 genomes Cov.: 33

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

GnomAD4 genome Cov.: 33

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.81
CADD	Benign	5.6
DANN	Benign	0.58
PhyloP100		1.5

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

hg19: chr1-90137869;