7-12233526-A-T

Variant names:

• chr7-12233526-A-T
• rs14978
• NM_001134232.2:c.*1551A>T

Variant summary

Our verdict is Likely benign. The variant received -4 ACMG points: 0P and 4B. BP4_Strong

The NM_001134232.2(TMEM106B):​c.*1551A>T variant causes a 3 prime UTR change involving the alteration of a non-conserved nucleotide. 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 0.0 (0 hom., cov: 29)
  • Failed GnomAD Quality Control
• Consequence: TMEM106B NM_001134232.2 3_prime_UTR
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: -2.93
• Publications: 17 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: Labcorp Genetics (formerly Invitae), G2P, PanelApp Australia, Ambry Genetics

ACMG classification

Our verdict: Likely_benign. The variant received -4 ACMG points.

• BP4: Computational evidence support a benign effect (BayesDel_noAF=-0.84).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001134232.2. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	TMEM106B	NM_001134232.2	MANE Select	c.*1551A>T		3_prime_UTR	Exon 8 of 8	NP_001127704.1	Q9NUM4
	TMEM106B	NM_018374.4		c.*1551A>T		3_prime_UTR	Exon 9 of 9	NP_060844.2

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	TMEM106B	ENST00000396668.8	TSL:1 MANE Select	c.*1551A>T		3_prime_UTR	Exon 8 of 8	ENSP00000379902.3	Q9NUM4
	TMEM106B	ENST00000396667.7	TSL:1	c.*1551A>T		3_prime_UTR	Exon 9 of 9	ENSP00000379901.2	Q9NUM4
	TMEM106B	ENST00000444443.6	TSL:4	c.*1551A>T		3_prime_UTR	Exon 8 of 8	ENSP00000401302.2	Q9NUM4

Frequencies

GnomAD3 genomes AF: 0.00 AC: 0 AN: 150708 Hom.: 0 Cov.: 29

Gnomad AFR AF: 0.00

Gnomad AMI AF: 0.00

Gnomad AMR AF: 0.00

Gnomad ASJ AF: 0.00

Gnomad EAS AF: 0.00

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 Data not reliable, filtered out with message: AC0 AF: 0.00 AC: 0 AN: 150708 Hom.: 0 Cov.: 29 AF XY: 0.00 AC XY: 0 AN XY: 73528

African (AFR) AF: 0.00 AC: 0 AN: 41148

American (AMR) AF: 0.00 AC: 0 AN: 15108

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 3460

East Asian (EAS) AF: 0.00 AC: 0 AN: 5160

South Asian (SAS) AF: 0.00 AC: 0 AN: 4810

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 10306

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 316

European-Non Finnish (NFE) AF: 0.00 AC: 0 AN: 67414

Other (OTH) AF: 0.00 AC: 0 AN: 2076

Alfa AF: 0.00 Hom.: 18483

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.84
CADD	Benign	0.29
DANN	Benign	0.79
PhyloP100		-2.9

Splicing

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

Other links and lift over

dbSNP: rs14978; hg19: chr7-12273152;