chr11-68047512-G-A

Variant names:

• chr11-68047512-G-A
• rs2471829
• NM_006019.4:c.1245G>A

Variant summary

Our verdict is Likely benign. The variant received -1 ACMG points: 2P and 3B. PM2 BP4_Moderate BP7

The NM_006019.4(TCIRG1):​c.1245G>A​(p.Leu415Leu) variant causes a synonymous 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. Synonymous variant affecting the same amino acid position (i.e. L415L) has been classified as Likely benign.

• Frequency: Genomes: not found (cov: 31)
• Consequence: TCIRG1 NM_006019.4 synonymous
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 0.330
• Publications: 20 publications found

Genes affected

TCIRG1 (HGNC:11647): (T cell immune regulator 1, ATPase H+ transporting V0 subunit a3) This gene encodes a subunit of a large protein complex known as a vacuolar H+-ATPase (V-ATPase). The protein complex acts as a pump to move protons across the membrane. This movement of protons helps regulate the pH of cells and their surrounding environment. V-ATPase dependent organelle acidification is necessary for such intracellular processes as protein sorting, zymogen activation, and receptor-mediated endocytosis. V-ATPase is comprised of a cytosolic V1 domain and a transmembrane V0 domain. Alternative splicing results in multiple transcript variants. Mutations in this gene are associated with infantile malignant osteopetrosis. [provided by RefSeq, May 2017]

TCIRG1 Gene-Disease associations (from GenCC):

• autosomal recessive osteopetrosis

  Inheritance: AR Classification: DEFINITIVE, SUPPORTIVE Submitted by: Myriad Women’s Health, Orphanet
• autosomal recessive osteopetrosis 1

  Inheritance: AR Classification: DEFINITIVE, STRONG Submitted by: Genomics England PanelApp, ClinGen, Labcorp Genetics (formerly Invitae)
• autosomal dominant severe congenital neutropenia

  Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
• autosomal recessive osteopetrosis 6

  Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet
• dysosteosclerosis

  Inheritance: AR Classification: SUPPORTIVE, LIMITED Submitted by: Orphanet, ClinGen

ACMG classification

Our verdict: Likely_benign. The variant received -1 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (REVEL=0.062).
• BP7: Synonymous conserved (PhyloP=0.33 with no splicing effect.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_006019.4. 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
	TCIRG1	NM_006019.4	MANE Select	c.1245G>A	p.Leu415Leu	synonymous	Exon 11 of 20	NP_006010.2
	TCIRG1	NM_001440552.1		c.1245G>A	p.Leu415Leu	synonymous	Exon 12 of 21	NP_001427481.1
	TCIRG1	NM_001440553.1		c.1245G>A	p.Leu415Leu	synonymous	Exon 11 of 20	NP_001427482.1

Ensembl Transcripts

Selected	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	TCIRG1	ENST00000265686.8	TSL:1 MANE Select	c.1245G>A	p.Leu415Leu	synonymous	Exon 11 of 20	ENSP00000265686.3
	TCIRG1	ENST00000532635.5	TSL:1	c.597G>A	p.Leu199Leu	synonymous	Exon 6 of 15	ENSP00000434407.1
	TCIRG1	ENST00000529364.1	TSL:3	c.655G>A	p.Val219Ile	missense	Exon 6 of 7	ENSP00000431437.1

Frequencies

GnomAD3 genomes Cov.: 31

GnomAD4 exome Cov.: 67

GnomAD4 genome Cov.: 31

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.55
CADD	Benign	7.5
DANN	Uncertain	0.98
PhyloP100		0.33
RBP_binding_hub_radar		0.0
RBP_regulation_power_radar		1.7

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: rs2471829; hg19: chr11-67814979;