chr1-184051811-G-C

Variant names:

• chr1-184051811-G-C
• rs2274432
• NM_052965.4:c.56G>C

Variant summary

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

The NM_052965.4(TSEN15):​c.56G>C​(p.Gly19Ala) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a benign outcome for this variant. 15/22 in silico tools predict a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. G19D) has been classified as Benign.

• Frequency: Genomes: not found (cov: 32)
• Consequence: TSEN15 NM_052965.4 missense
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: -0.161
• Publications: 76 publications found

Genes affected

TSEN15 (HGNC:16791): (tRNA splicing endonuclease subunit 15) This gene encodes a subunit of the tRNA splicing endonuclease, which catalyzes the removal of introns from tRNA precursors. Alternative splicing results in multiple transcript variants. There is a pseudogene of this gene on chromosome 17. [provided by RefSeq, Jul 2014]

TSEN15 Gene-Disease associations (from GenCC):

• pontocerebellar hypoplasia, type 2F

  Inheritance: AR Classification: STRONG, MODERATE Submitted by: Labcorp Genetics (formerly Invitae), PanelApp Australia, Ambry Genetics
• pontocerebellar hypoplasia type 2

  Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet

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 (MetaRNN=0.047156632).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_052965.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Selected	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	TSEN15	NM_052965.4	MANE Select	c.56G>C	p.Gly19Ala	missense	Exon 1 of 5	NP_443197.1
	TSEN15	NM_001300764.2		c.56G>C	p.Gly19Ala	missense	Exon 1 of 5	NP_001287693.1
	TSEN15	NM_001363643.2		c.56G>C	p.Gly19Ala	missense	Exon 1 of 4	NP_001350572.1

Ensembl Transcripts

Selected	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	TSEN15	ENST00000645668.2	MANE Select	c.56G>C	p.Gly19Ala	missense	Exon 1 of 5	ENSP00000493902.2
	TSEN15	ENST00000361641.6	TSL:1	c.56G>C	p.Gly19Ala	missense	Exon 1 of 5	ENSP00000355299.2
	TSEN15	ENST00000462677.3	TSL:1	n.56G>C		non_coding_transcript_exon	Exon 1 of 6	ENSP00000432397.2

Frequencies

GnomAD3 genomes Cov.: 32

GnomAD4 exome Cov.: 35

GnomAD4 genome Cov.: 32

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Benign	0.083
BayesDel_addAF	Benign	-0.22	T
BayesDel_noAF	Benign	-0.56
CADD	Benign	14
DANN	Benign	0.74
DEOGEN2	Benign	0.0057	T
Eigen	Benign	-1.2
Eigen_PC	Benign	-1.2
FATHMM_MKL	Benign	0.016	N
LIST_S2	Benign	0.61	T
M_CAP	Benign	0.0088	T
MetaRNN	Benign	0.047	T
MetaSVM	Benign	-0.99	T
MutationAssessor	Benign	1.2	L
PhyloP100		-0.16
PrimateAI	Uncertain	0.67	T
PROVEAN	Benign	-0.87	N
REVEL	Benign	0.064
Sift	Benign	0.67	T
Sift4G	Benign	0.32	T
Polyphen		0.0	B
Vest4		0.14
MutPred		0.11		Loss of relative solvent accessibility (P = 0.0676)
MVP		0.57
MPC		0.53
ClinPred		0.035	T
GERP RS		-1.6
PromoterAI		-0.015	Neutral
Varity_R		0.032
gMVP		0.12
Mutation Taster		=100/0	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: rs2274432; hg19: chr1-184020945;