chr17-75521423-C-T

Variant names:

• chr17-75521423-C-T
• rs376310114
• NM_207346.3:c.536C>T

Variant summary

Our verdict is Uncertain significance. The variant received 0 ACMG points: 2P and 2B. PM2 BP4_Moderate

The NM_207346.3(TSEN54):​c.536C>T​(p.Pro179Leu) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000254 in 1,614,062 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 13/22 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. P179R) has been classified as Uncertain significance.

• Frequency:
  • Genomes: 𝑓 0.000026 (0 hom., cov: 33)
  • Exomes 𝑓: 0.000025 (0 hom.)
• Consequence: TSEN54 NM_207346.3 missense
• Clinical Significance: Uncertain significance criteria provided, multiple submitters, no conflicts U:2
• Conservation: PhyloP100: 1.97
• Publications: 1 publications found

Genes affected

TSEN54 (HGNC:27561): (tRNA splicing endonuclease subunit 54) This gene encodes a subunit of the tRNA splicing endonuclease complex, which catalyzes the removal of introns from precursor tRNAs. The complex is also implicated in pre-mRNA 3-prime end processing. Mutations in this gene result in pontocerebellar hypoplasia type 2.[provided by RefSeq, Oct 2009]

TSEN54 Gene-Disease associations (from GenCC):

• pontocerebellar hypoplasia type 5

  Inheritance: AR Classification: STRONG Submitted by: Labcorp Genetics (formerly Invitae)
• pontocerebellar hypoplasia type 2

  Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet
• pontocerebellar hypoplasia type 4

  Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet

ACMG classification

Our verdict: Uncertain_significance. The variant received 0 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (MetaRNN=0.21856594).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_207346.3. 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
	TSEN54	NM_207346.3	MANE Select	c.536C>T	p.Pro179Leu	missense	Exon 7 of 11	NP_997229.2	Q7Z6J9-1

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	TSEN54	ENST00000333213.11	TSL:1 MANE Select	c.536C>T	p.Pro179Leu	missense	Exon 7 of 11	ENSP00000327487.6	Q7Z6J9-1
	TSEN54	ENST00000680999.1		c.536C>T	p.Pro179Leu	missense	Exon 7 of 11	ENSP00000504984.1	A0A7P0Z413
	TSEN54	ENST00000915433.1		c.536C>T	p.Pro179Leu	missense	Exon 7 of 11	ENSP00000585492.1

Frequencies

GnomAD3 genomes AF: 0.0000197 AC: 3 AN: 152228 Hom.: 0 Cov.: 33

Gnomad AFR AF: 0.0000482

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

GnomAD2 exomes AF: 0.0000279 AC: 7 AN: 251226 AF XY: 0.0000221

Gnomad AFR exome AF: 0.0000616

Gnomad AMR exome AF: 0.0000289

Gnomad ASJ exome AF: 0.00

Gnomad EAS exome AF: 0.00

Gnomad FIN exome AF: 0.00

Gnomad NFE exome AF: 0.00000881

Gnomad OTH exome AF: 0.000163

GnomAD4 exome AF: 0.0000253 AC: 37 AN: 1461716 Hom.: 0 Cov.: 31 AF XY: 0.0000234 AC XY: 17 AN XY: 727162

African (AFR) AF: 0.000179 AC: 6 AN: 33480

American (AMR) AF: 0.0000224 AC: 1 AN: 44722

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 26134

East Asian (EAS) AF: 0.00 AC: 0 AN: 39696

South Asian (SAS) AF: 0.000104 AC: 9 AN: 86258

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 53300

Middle Eastern (MID) AF: 0.000347 AC: 2 AN: 5768

European-Non Finnish (NFE) AF: 0.00000809 AC: 9 AN: 1111966

Other (OTH) AF: 0.000166 AC: 10 AN: 60392

GnomAD4 genome AF: 0.0000263 AC: 4 AN: 152346 Hom.: 0 Cov.: 33 AF XY: 0.0000268 AC XY: 2 AN XY: 74504

African (AFR) AF: 0.0000721 AC: 3 AN: 41586

American (AMR) AF: 0.00 AC: 0 AN: 15298

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

East Asian (EAS) AF: 0.00 AC: 0 AN: 5188

South Asian (SAS) AF: 0.00 AC: 0 AN: 4832

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 10626

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 294

European-Non Finnish (NFE) AF: 0.0000147 AC: 1 AN: 68026

Other (OTH) AF: 0.00 AC: 0 AN: 2116

Alfa AF: 0.00 Hom.: 0

Bravo AF: 0.0000151

ESP6500AA AF: 0.000227 AC: 1

ESP6500EA AF: 0.00 AC: 0

ExAC AF: 0.0000247 AC: 3

Asia WGS AF: 0.000866 AC: 3 AN: 3478

ClinVar

ClinVar submissions

Significance: Uncertain significance

Revision: criteria provided, multiple submitters, no conflicts

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

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Benign	0.11
BayesDel_addAF	Benign	-0.20	T
BayesDel_noAF	Benign	-0.33
CADD	Benign	21
DANN	Benign	0.95
DEOGEN2	Benign	0.013	T
Eigen	Uncertain	0.22
Eigen_PC	Uncertain	0.26
FATHMM_MKL	Benign	0.72	D
LIST_S2	Uncertain	0.90	D
M_CAP	Benign	0.040	D
MetaRNN	Benign	0.22	T
MetaSVM	Benign	-0.86	T
MutationAssessor	Uncertain	2.1	M
PhyloP100		2.0
PrimateAI	Uncertain	0.54	T
PROVEAN	Uncertain	-2.5	D
REVEL	Benign	0.16
Sift	Benign	0.27	T
Sift4G	Benign	0.15	T
Polyphen		0.94	P
Vest4		0.093
MVP		0.76
MPC		0.92
ClinPred		0.39	T
GERP RS		5.6
RBP_binding_hub_radar		0.0
RBP_regulation_power_radar		1.1
Varity_R		0.091
gMVP		0.43
Mutation Taster		=83/17	polymorphism

Splicing

Name	Calibrated prediction	Score	Prediction
SpliceAI score (max)		0.010		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: rs376310114; hg19: chr17-73517504;