7-12237455-G-T

Variant names:

• chr7-12237455-G-T
• rs10488192
• NM_001134232.2:c.*5480G>T

Variant summary

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

The NM_001134232.2(TMEM106B):​c.*5480G>T variant causes a 3 prime UTR change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000659 in 151,646 control chromosomes in the GnomAD database, with no homozygous occurrence. 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 0.0000066 (0 hom., cov: 31)
• Consequence: TMEM106B NM_001134232.2 3_prime_UTR
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: -0.542
• Publications: 7 publications found

Genes affected

TMEM106B (HGNC:22407): (transmembrane protein 106B) Enables ATPase binding activity. Involved in dendrite morphogenesis and lysosome localization. Located in endosome and lysosomal membrane. Implicated in hypomyelinating leukodystrophy. [provided by Alliance of Genome Resources, Apr 2022]

TMEM106B Gene-Disease associations (from GenCC):

• leukodystrophy, hypomyelinating, 16

  Inheritance: AD Classification: STRONG, LIMITED Submitted by: G2P, Ambry Genetics, Labcorp Genetics (formerly Invitae)

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=-0.86).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
TMEM106B	NM_001134232.2	c.*5480G>T		3_prime_UTR_variant	Exon 8 of 8	ENST00000396668.8	NP_001127704.1
TMEM106B	NM_018374.4	c.*5480G>T		3_prime_UTR_variant	Exon 9 of 9		NP_060844.2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
TMEM106B	ENST00000396668.8	c.*5480G>T		3_prime_UTR_variant	Exon 8 of 8	1	NM_001134232.2	ENSP00000379902.3
TMEM106B	ENST00000396667.7	c.*5480G>T		3_prime_UTR_variant	Exon 9 of 9	1		ENSP00000379901.2

Frequencies

GnomAD3 genomes AF: 0.00000659 AC: 1 AN: 151646 Hom.: 0 Cov.: 31

Gnomad AFR AF: 0.00

Gnomad AMI AF: 0.00

Gnomad AMR AF: 0.00

Gnomad ASJ AF: 0.00

Gnomad EAS AF: 0.000193

Gnomad SAS AF: 0.00

Gnomad FIN AF: 0.00

Gnomad MID AF: 0.00

Gnomad NFE AF: 0.00

Gnomad OTH AF: 0.00

GnomAD4 exome Cov.: 0

GnomAD4 genome AF: 0.00000659 AC: 1 AN: 151646 Hom.: 0 Cov.: 31 AF XY: 0.00 AC XY: 0 AN XY: 73990

African (AFR) AF: 0.00 AC: 0 AN: 41260

American (AMR) AF: 0.00 AC: 0 AN: 15202

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 3470

East Asian (EAS) AF: 0.000193 AC: 1 AN: 5170

South Asian (SAS) AF: 0.00 AC: 0 AN: 4812

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 10468

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 314

European-Non Finnish (NFE) AF: 0.00 AC: 0 AN: 67948

Other (OTH) AF: 0.00 AC: 0 AN: 2090

Alfa AF: 0.00 Hom.: 8331

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.86
CADD	Benign	0.25
DANN	Benign	0.62
PhyloP100		-0.54

Splicing

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Other links and lift over

dbSNP: rs10488192; hg19: chr7-12277081;