NM_032349.4:c.503C>T

Variant names:

• chr16-4695046-C-T
• rs759685524
• NM_032349.4:c.503C>T

Variant summary

Our verdict is Uncertain significance. The variant received 3 ACMG points: 3P and 0B. PM2 PP3

The NM_032349.4(NUDT16L1):​c.503C>T​(p.Thr168Met) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000744 in 1,613,338 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic 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. T168K) has been classified as Uncertain significance.

• Frequency:
  • Genomes: 𝑓 0.000013 (0 hom., cov: 32)
  • Exomes 𝑓: 0.0000068 (0 hom.)
• Consequence: NUDT16L1 NM_032349.4 missense
• Clinical Significance: Uncertain significance criteria provided, single submitter U:1
• Conservation: PhyloP100: 2.06
• Publications: 0 publications found

Genes affected

NUDT16L1 (HGNC:28154): (nudix hydrolase 16 like 1) Enables snoRNA binding activity. Involved in negative regulation of double-strand break repair via nonhomologous end joining. Located in nucleus. [provided by Alliance of Genome Resources, Apr 2022]

ACMG classification

Our verdict: Uncertain_significance. The variant received 3 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• PP3: MetaRNN computational evidence supports a deleterious effect, 0.779

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_032349.4. 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
	NUDT16L1	NM_032349.4	MANE Select	c.503C>T	p.Thr168Met	missense	Exon 3 of 3	NP_115725.1	Q9BRJ7-1
	NUDT16L1	NM_001370585.1		c.497C>T	p.Thr166Met	missense	Exon 3 of 3	NP_001357514.1
	NUDT16L1	NM_001370588.1		c.242C>T	p.Thr81Met	missense	Exon 2 of 2	NP_001357517.1

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	NUDT16L1	ENST00000304301.11	TSL:1 MANE Select	c.503C>T	p.Thr168Met	missense	Exon 3 of 3	ENSP00000306670.5	Q9BRJ7-1
	NUDT16L1	ENST00000405142.1	TSL:1	c.*478C>T		3_prime_UTR	Exon 2 of 2	ENSP00000458144.1	Q9BRJ7-2
	NUDT16L1	ENST00000860911.1		c.497C>T	p.Thr166Met	missense	Exon 3 of 3	ENSP00000530970.1

Frequencies

GnomAD3 genomes AF: 0.0000131 AC: 2 AN: 152156 Hom.: 0 Cov.: 32

Gnomad AFR AF: 0.0000241

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: 0.0000147

Gnomad OTH AF: 0.00

GnomAD4 exome AF: 0.00000684 AC: 10 AN: 1461182 Hom.: 0 Cov.: 33 AF XY: 0.00000963 AC XY: 7 AN XY: 726948

African (AFR) AF: 0.0000299 AC: 1 AN: 33480

American (AMR) AF: 0.00 AC: 0 AN: 44718

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 26136

East Asian (EAS) AF: 0.0000252 AC: 1 AN: 39700

South Asian (SAS) AF: 0.0000232 AC: 2 AN: 86258

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 52728

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 5768

European-Non Finnish (NFE) AF: 0.00000450 AC: 5 AN: 1112002

Other (OTH) AF: 0.0000166 AC: 1 AN: 60392

GnomAD4 genome AF: 0.0000131 AC: 2 AN: 152156 Hom.: 0 Cov.: 32 AF XY: 0.0000135 AC XY: 1 AN XY: 74314

⚠️ The allele balance in gnomAD version 4 Genomes is significantly skewed from the expected value of 0.5.

African (AFR) AF: 0.0000241 AC: 1 AN: 41452

American (AMR) AF: 0.00 AC: 0 AN: 15274

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 3468

East Asian (EAS) AF: 0.00 AC: 0 AN: 5174

South Asian (SAS) AF: 0.00 AC: 0 AN: 4830

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 10622

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

European-Non Finnish (NFE) AF: 0.0000147 AC: 1 AN: 68016

Other (OTH) AF: 0.00 AC: 0 AN: 2092

⚠️ The allele balance in gnomAD version 4 Genomes is significantly skewed from the expected value of 0.5. (p-value = 0.00000000770867), which strongly suggests a high chance of mosaicism in these individuals.

Alfa AF: 0.0000370 Hom.: 0

Bravo AF: 0.0000113

TwinsUK AF: 0.00 AC: 0

ALSPAC AF: 0.000259 AC: 1

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	0.20
BayesDel_addAF	Benign	-0.061	T
BayesDel_noAF	Benign	-0.33
CADD	Pathogenic	27
DANN	Uncertain	1.0
DEOGEN2	Benign	0.13	T
Eigen	Uncertain	0.34
Eigen_PC	Uncertain	0.25
FATHMM_MKL	Uncertain	0.77	D
LIST_S2	Benign	0.74	T
M_CAP	Uncertain	0.17	D
MetaRNN	Pathogenic	0.78	D
MetaSVM	Benign	-0.56	T
PhyloP100		2.1
PrimateAI	Uncertain	0.54	T
PROVEAN	Uncertain	-2.4	N
REVEL	Benign	0.15
Sift	Uncertain	0.028	D
Sift4G	Uncertain	0.040	D
Polyphen		1.0	D
Vest4		0.76
MVP		0.68
MPC		1.6
ClinPred		0.97	D
GERP RS		4.5
Varity_R		0.18
gMVP		0.72
Mutation Taster		=90/10	polymorphism

Splicing

Name	Calibrated prediction	Score	Prediction
SpliceAI score (max)		0.070		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: rs759685524; hg19: chr16-4745047;