rs4839669

Positions:

• chr3-143823101-G-A
• chr3-143823101-G-C
• chr3-143823101-G-T

Variant summary

Our verdict is Likely benign. Variant got -2 ACMG points: 2P and 4B. PM2 BP4_Strong

The NM_173653.4(SLC9A9):​c.378+8918C>T 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: SLC9A9 NM_173653.4 intron
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 0.0140

Genes affected

SLC9A9 (HGNC:20653): (solute carrier family 9 member A9) This gene encodes a sodium/proton exchanger that is a member of the solute carrier 9 protein family. The encoded protein localizes the to the late recycling endosomes and may play an important role in maintaining cation homeostasis. Mutations in this gene are associated with autism susceptibility 16 and attention-deficit/hyperactivity disorder. [provided by RefSeq, Mar 2012]

ACMG classification

Verdict is Likely_benign. Variant got -2 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (BayesDel_noAF=-0.89).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
SLC9A9	NM_173653.4	c.378+8918C>T		intron_variant		ENST00000316549.11	NP_775924.1
SLC9A9	XM_011512704.4	c.378+8918C>T		intron_variant			XP_011511006.1
SLC9A9	XM_017006202.3	c.378+8918C>T		intron_variant			XP_016861691.1
SLC9A9	XM_017006203.2	c.27+25047C>T		intron_variant			XP_016861692.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt
SLC9A9	ENST00000316549.11	c.378+8918C>T		intron_variant		1	NM_173653.4	ENSP00000320246	P1
SLC9A9	ENST00000474151.1	c.378+8918C>T		intron_variant		4		ENSP00000418627
SLC9A9	ENST00000474727.2	c.175+25047C>T		intron_variant, NMD_transcript_variant		4		ENSP00000419090

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

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.89
CADD	Benign	2.3
DANN	Benign	0.66

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

Publications

LitVar

Other links and lift over

dbSNP: rs4839669; hg19: chr3-143541943;