rs35874485

Positions:

• chr16-69361467-T-C

Variant summary

Our verdict is Uncertain significance. Variant got 0 ACMG points: 2P and 2B. PM2 BP4_Moderate

The NM_005652.5(TERF2):​c.1363A>G​(p.Ser455Gly) 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. 15/19 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 nucleotide change resulting in same amino acid change has been previously reported as Likely benignin UniProt.

• Frequency: Genomes: not found (cov: 31)
• Consequence: TERF2 NM_005652.5 missense
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 1.93

Genes affected

TERF2 (HGNC:11729): (telomeric repeat binding factor 2) This gene encodes a telomere specific protein, TERF2, which is a component of the telomere nucleoprotein complex. This protein is present at telomeres in metaphase of the cell cycle, is a second negative regulator of telomere length and plays a key role in the protective activity of telomeres. While having similar telomere binding activity and domain organization, TERF2 differs from TERF1 in that its N terminus is basic rather than acidic. [provided by RefSeq, Jul 2008]

TERF2 (HGNC:):

ACMG classification

Verdict is Uncertain_significance. Variant got 0 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (MetaRNN=0.12700474).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
TERF2	NM_005652.5	c.1363A>G	p.Ser455Gly	missense_variant	8/10	ENST00000254942.8	NP_005643.2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt
TERF2	ENST00000254942.8	c.1363A>G	p.Ser455Gly	missense_variant	8/10	1	NM_005652.5	ENSP00000254942.3
TERF2	ENST00000566051.1	c.4A>G	p.Ser2Gly	missense_variant	1/2	3		ENSP00000463079.1
TERF2	ENST00000567130.1	n.201A>G		non_coding_transcript_exon_variant	2/2	2

Frequencies

GnomAD3 genomes Cov.: 31

GnomAD4 exome Cov.: 30

GnomAD4 genome Cov.: 31

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Benign	0.083
BayesDel_addAF	Benign	-0.11	T
BayesDel_noAF	Benign	-0.40
CADD	Benign	21
DANN	Benign	0.97
DEOGEN2	Benign	0.25	T
Eigen	Benign	-0.051
Eigen_PC	Benign	0.060
FATHMM_MKL	Benign	0.74	D
LIST_S2	Benign	0.61	T
M_CAP	Benign	0.0043	T
MetaRNN	Benign	0.13	T
MetaSVM	Benign	-0.92	T
MutationAssessor	Benign	1.8	L
PrimateAI	Benign	0.28	T
PROVEAN	Benign	-1.8	N
REVEL	Benign	0.064
Sift	Uncertain	0.023	D
Sift4G	Uncertain	0.0070	D
Vest4		0.11
MVP		0.39
ClinPred		0.51	D
GERP RS		5.1
Varity_R		0.066
gMVP		0.19

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

Publications

LitVar

Other links and lift over

dbSNP: rs35874485; hg19: chr16-69395370;