16-11896705-C-T

Variant names:

• chr16-11896705-C-T
• rs201696252
• NM_002094.4:c.517G>A

Variant summary

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

The NM_002094.4(GSPT1):​c.517G>A​(p.Gly173Ser) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000687 in 1,455,182 control chromosomes in the GnomAD database, with no homozygous occurrence. 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. G173R) has been classified as Uncertain significance.

• Frequency:
  • Genomes: not found (cov: 33)
  • Exomes 𝑓: 6.9e-7 (0 hom.)
• Consequence: GSPT1 NM_002094.4 missense
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 3.10
• Publications: 0 publications found

Genes affected

GSPT1 (HGNC:4621): (G1 to S phase transition 1) Enables translation release factor activity. Involved in regulation of translational termination. Acts upstream of or within protein methylation. Predicted to be located in cytosol. Predicted to be part of translation release factor complex. [provided by Alliance of Genome Resources, Apr 2022]

RSL1D1-DT (HGNC:55337): (RSL1D1 divergent transcript)

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=0.13317984).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_002094.4. 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
	GSPT1	NM_002094.4	MANE Select	c.517G>A	p.Gly173Ser	missense	Exon 4 of 15	NP_002085.3	P15170-3
	GSPT1	NM_001130006.2		c.514G>A	p.Gly172Ser	missense	Exon 4 of 15	NP_001123478.2	P15170-2
	GSPT1	NM_001130007.2		c.103G>A	p.Gly35Ser	missense	Exon 4 of 15	NP_001123479.1	P15170-1

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	GSPT1	ENST00000434724.7	TSL:1 MANE Select	c.517G>A	p.Gly173Ser	missense	Exon 4 of 15	ENSP00000398131.2	P15170-3
	GSPT1	ENST00000439887.6	TSL:1	c.514G>A	p.Gly172Ser	missense	Exon 4 of 15	ENSP00000408399.2	P15170-2
	GSPT1	ENST00000420576.6	TSL:1	c.103G>A	p.Gly35Ser	missense	Exon 4 of 15	ENSP00000399539.2	P15170-1

Frequencies

GnomAD3 genomes Cov.: 33

GnomAD4 exome AF: 6.87e-7 AC: 1 AN: 1455182 Hom.: 0 Cov.: 31 AF XY: 0.00000138 AC XY: 1 AN XY: 723162

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

African (AFR) AF: 0.00 AC: 0 AN: 33404

American (AMR) AF: 0.0000229 AC: 1 AN: 43626

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 25926

East Asian (EAS) AF: 0.00 AC: 0 AN: 39606

South Asian (SAS) AF: 0.00 AC: 0 AN: 84786

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 53126

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 5760

European-Non Finnish (NFE) AF: 0.00 AC: 0 AN: 1108768

Other (OTH) AF: 0.00 AC: 0 AN: 60180

⚠️ The allele balance in gnomAD4 Exomes is highly skewed from 0.5 (p-value = 0), which strongly suggests a high chance of mosaicism in these individuals.

GnomAD4 genome Cov.: 33

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Benign	0.074
BayesDel_addAF	Benign	-0.12	T
BayesDel_noAF	Benign	-0.40
CADD	Benign	17
DANN	Uncertain	0.98
DEOGEN2	Benign	0.012	T
Eigen	Benign	-0.26
Eigen_PC	Benign	-0.15
FATHMM_MKL	Uncertain	0.92	D
LIST_S2	Benign	0.86	D
M_CAP	Benign	0.017	T
MetaRNN	Benign	0.13	T
MetaSVM	Benign	-1.1	T
MutationAssessor	Benign	1.3	L
PhyloP100		3.1
PrimateAI	Benign	0.45	T
PROVEAN	Benign	0.34	N
REVEL	Benign	0.086
Sift	Benign	0.22	T
Sift4G	Benign	0.72	T
Polyphen		0.025	B
Vest4		0.33
MutPred		0.21		Gain of phosphorylation at G35 (P = 0.0017)
MVP		0.40
MPC		0.36
ClinPred		0.31	T
GERP RS		2.3
RBP_binding_hub_radar		1.0
RBP_regulation_power_radar		2.1
Varity_R		0.024
gMVP		0.45

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: rs201696252; hg19: chr16-11990562;