NM_032227.4:c.418C>T

Variant names:

• chrX-110067374-C-T
• rs1457996767
• NM_032227.4:c.418C>T

Variant summary

Our verdict is Likely benign. The variant received -6 ACMG points: 0P and 6B. BP4_Moderate BS2

The NM_032227.4(TMEM164):​c.418C>T​(p.Arg140Trp) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000579 in 1,209,589 control chromosomes in the GnomAD database, with no homozygous occurrence. There are 5 hemizygotes in GnomAD. In-silico tool predicts a benign outcome for this variant. 12/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. R140Q) has been classified as Uncertain significance.

• Frequency:
  • Genomes: 𝑓 0.0000089 (0 hom., 0 hem., cov: 23)
  • Exomes 𝑓: 0.0000055 (0 hom. 5 hem.)
• Consequence: TMEM164 NM_032227.4 missense
• Clinical Significance: Uncertain significance criteria provided, single submitter U:1
• Conservation: PhyloP100: 3.38
• Publications: 4 publications found

Genes affected

TMEM164 (HGNC:26217): (transmembrane protein 164) Predicted to be integral component of membrane. [provided by Alliance of Genome Resources, Apr 2022]

ACMG classification

Our verdict: Likely_benign. The variant received -6 ACMG points.

• BP4: Computational evidence support a benign effect (MetaRNN=0.23259443).
• BS2: High Hemizygotes in GnomAdExome4 at 5 gene

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_032227.4. 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
	TMEM164	NM_032227.4	MANE Select	c.418C>T	p.Arg140Trp	missense	Exon 3 of 7	NP_115603.2	Q5U3C3-1
	TMEM164	NM_017698.3		c.-30C>T		5_prime_UTR_premature_start_codon_gain	Exon 2 of 6	NP_060168.2
	TMEM164	NM_001353849.2		c.418C>T	p.Arg140Trp	missense	Exon 3 of 8	NP_001340778.1	Q5U3C3-1

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	TMEM164	ENST00000372068.7	TSL:1 MANE Select	c.418C>T	p.Arg140Trp	missense	Exon 3 of 7	ENSP00000361138.2	Q5U3C3-1
	TMEM164	ENST00000372072.7	TSL:5	c.-30C>T		5_prime_UTR_premature_start_codon_gain	Exon 2 of 6	ENSP00000384075.2	Q5U3C3-2
	TMEM164	ENST00000372073.5	TSL:5	c.418C>T	p.Arg140Trp	missense	Exon 3 of 7	ENSP00000361143.1	Q5U3C3-1

Frequencies

GnomAD3 genomes AF: 0.00000893 AC: 1 AN: 111924 Hom.: 0 Cov.: 23

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: 0.0000188

Gnomad OTH AF: 0.00

GnomAD4 exome AF: 0.00000547 AC: 6 AN: 1097665 Hom.: 0 Cov.: 29 AF XY: 0.0000138 AC XY: 5 AN XY: 363077

African (AFR) AF: 0.00 AC: 0 AN: 26374

American (AMR) AF: 0.00 AC: 0 AN: 35186

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 19381

East Asian (EAS) AF: 0.00 AC: 0 AN: 30197

South Asian (SAS) AF: 0.00 AC: 0 AN: 54118

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 40502

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 4134

European-Non Finnish (NFE) AF: 0.00000713 AC: 6 AN: 841692

Other (OTH) AF: 0.00 AC: 0 AN: 46081

GnomAD4 genome AF: 0.00000893 AC: 1 AN: 111924 Hom.: 0 Cov.: 23 AF XY: 0.00 AC XY: 0 AN XY: 34110

African (AFR) AF: 0.00 AC: 0 AN: 30798

American (AMR) AF: 0.00 AC: 0 AN: 10555

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 2647

East Asian (EAS) AF: 0.00 AC: 0 AN: 3588

South Asian (SAS) AF: 0.00 AC: 0 AN: 2682

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 6059

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 239

European-Non Finnish (NFE) AF: 0.0000188 AC: 1 AN: 53170

Other (OTH) AF: 0.00 AC: 0 AN: 1501

Alfa AF: 0.00 Hom.: 0

Bravo AF: 0.00000756

ClinVar

ClinVar submissions

Significance: Uncertain significance

Revision: criteria provided, single submitter

Pathogenic	VUS	Benign	Condition
-	1	-	not specified (1)

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Benign	0.15
BayesDel_addAF	Benign	-0.21	T
BayesDel_noAF	Benign	-0.54
CADD	Benign	23
DANN	Uncertain	1.0
DEOGEN2	Benign	0.16	T
FATHMM_MKL	Uncertain	0.83	D
LIST_S2	Uncertain	0.94	D
M_CAP	Uncertain	0.20	D
MetaRNN	Benign	0.23	T
MetaSVM	Benign	-1.1	T
MutationAssessor	Benign	1.1	L
PhyloP100		3.4
PrimateAI	Benign	0.46	T
PROVEAN	Uncertain	-3.2	D
REVEL	Benign	0.045
Sift	Uncertain	0.013	D
Sift4G	Uncertain	0.016	D
Polyphen		0.0080	B
Vest4		0.47
MutPred		0.42		Loss of methylation at R140 (P = 0.0346)
MVP		0.18
MPC		0.99
ClinPred		0.84	D
GERP RS		4.9
RBP_binding_hub_radar		0.0
RBP_regulation_power_radar		1.1
Varity_R		0.20
gMVP		0.76
Mutation Taster		=76/24	polymorphism

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: rs1457996767; hg19: chrX-109310602; COSMIC: COSV99911278;