6-116253044-C-G

Variant names:

• chr6-116253044-C-G
• rs775240338
• NM_021648.5:c.965G>C

Variant summary

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

The NM_021648.5(TSPYL4):​c.965G>C​(p.Arg322Pro) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000342 in 1,461,892 control chromosomes in the GnomAD database, with no homozygous occurrence. 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. R322L) has been classified as Uncertain significance.

• Frequency:
  • Genomes: not found (cov: 32)
  • Exomes 𝑓: 0.0000034 (0 hom.)
• Consequence: TSPYL4 NM_021648.5 missense
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 2.64
• Publications: 0 publications found

Genes affected

TSPYL4 (HGNC:21559): (TSPY like 4) Predicted to enable chromatin binding activity and histone binding activity. Predicted to be involved in nucleosome assembly. Predicted to be active in chromatin and nucleus. [provided by Alliance of Genome Resources, Apr 2022]

ACMG classification

Our verdict: Uncertain_significance. The variant received 2 ACMG points.

• PM2: Very rare variant in population databases, with high coverage

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
TSPYL4	NM_021648.5	c.965G>C	p.Arg322Pro	missense_variant	Exon 1 of 1	ENST00000420283.3	NP_067680.3

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
TSPYL4	ENST00000420283.3	c.965G>C	p.Arg322Pro	missense_variant	Exon 1 of 1	6	NM_021648.5	ENSP00000410943.1

Frequencies

GnomAD3 genomes Cov.: 32

GnomAD2 exomes AF: 0.00000801 AC: 2 AN: 249578 AF XY: 0.0000148

Gnomad AFR exome AF: 0.00

Gnomad AMR exome AF: 0.00

Gnomad ASJ exome AF: 0.00

Gnomad EAS exome AF: 0.00

Gnomad FIN exome AF: 0.00

Gnomad NFE exome AF: 0.00000883

Gnomad OTH exome AF: 0.00

GnomAD4 exome AF: 0.00000342 AC: 5 AN: 1461892 Hom.: 0 Cov.: 29 AF XY: 0.00000275 AC XY: 2 AN XY: 727248

African (AFR) AF: 0.00 AC: 0 AN: 33480

American (AMR) AF: 0.00 AC: 0 AN: 44724

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

East Asian (EAS) AF: 0.00 AC: 0 AN: 39700

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

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 53418

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

European-Non Finnish (NFE) AF: 0.00000270 AC: 3 AN: 1112012

Other (OTH) AF: 0.00 AC: 0 AN: 60396

GnomAD4 genome Cov.: 32

ExAC AF: 0.0000165 AC: 2

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Pathogenic	0.87
BayesDel_addAF	Benign	-0.046	T
BayesDel_noAF	Benign	-0.21
CADD	Uncertain	26
DANN	Uncertain	0.99
DEOGEN2	Benign	0.016	T
Eigen	Benign	-0.032
Eigen_PC	Benign	-0.12
FATHMM_MKL	Benign	0.32	N
LIST_S2	Benign	0.61	T
M_CAP	Benign	0.013	T
MetaRNN	Uncertain	0.44	T
MetaSVM	Benign	-1.1	T
MutationAssessor	Benign	1.7	L
PhyloP100		2.6
PrimateAI	Uncertain	0.68	T
PROVEAN	Pathogenic	-5.3	D
REVEL	Benign	0.15
Sift	Uncertain	0.0060	D
Sift4G	Uncertain	0.0060	D
Polyphen		0.81	P
Vest4		0.50
MutPred		0.55		Loss of MoRF binding (P = 8e-04);
MVP		0.34
MPC		1.3
ClinPred		0.96	D
GERP RS		3.8
Varity_R		0.67
gMVP		0.55
Mutation Taster		=80/20	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: rs775240338; hg19: chr6-116574207;