17-79942080-C-T

Variant names:

• chr17-79942080-C-T
• rs1278973760
• NM_019020.4:c.2035G>A

Variant summary

Our verdict is Uncertain significance. The variant received 4 ACMG points: 4P and 0B. PM2 PP3_Moderate

The NM_019020.4(TBC1D16):​c.2035G>A​(p.Gly679Arg) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.00000682 in 1,612,074 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

• Frequency:
  • Genomes: 𝑓 0.0000066 (0 hom., cov: 32)
  • Exomes 𝑓: 0.0000068 (0 hom.)
• Consequence: TBC1D16 NM_019020.4 missense
• Clinical Significance: Uncertain significance criteria provided, single submitter U:1
• Conservation: PhyloP100: 7.21
• Publications: 0 publications found

Genes affected

TBC1D16 (HGNC:28356): (TBC1 domain family member 16) Enables GTPase activator activity. Involved in regulation of receptor recycling. Located in cytosol and early endosome. [provided by Alliance of Genome Resources, Apr 2022]

LINC01978 (HGNC:52806): (long intergenic non-protein coding RNA 1978)

ACMG classification

Our verdict: Uncertain_significance. The variant received 4 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• PP3: MetaRNN computational evidence supports a deleterious effect, 0.864

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_019020.4. 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
	TBC1D16	NM_019020.4	MANE Select	c.2035G>A	p.Gly679Arg	missense	Exon 11 of 12	NP_061893.2
	TBC1D16	NM_001271845.2		c.949G>A	p.Gly317Arg	missense	Exon 7 of 8	NP_001258774.1	Q8TBP0-2
	TBC1D16	NM_001271844.2		c.910G>A	p.Gly304Arg	missense	Exon 7 of 8	NP_001258773.1	Q8TBP0-4

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	TBC1D16	ENST00000310924.7	TSL:1 MANE Select	c.2035G>A	p.Gly679Arg	missense	Exon 11 of 12	ENSP00000309794.2	Q8TBP0-1
	TBC1D16	ENST00000340848.11	TSL:1	c.949G>A	p.Gly317Arg	missense	Exon 7 of 8	ENSP00000341517.7	Q8TBP0-2
	TBC1D16	ENST00000576768.5	TSL:1	c.910G>A	p.Gly304Arg	missense	Exon 7 of 8	ENSP00000461522.1	Q8TBP0-4

Frequencies

GnomAD3 genomes AF: 0.00000657 AC: 1 AN: 152144 Hom.: 0 Cov.: 32

Gnomad AFR AF: 0.0000241

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: 0.00

Gnomad OTH AF: 0.00

GnomAD2 exomes AF: 0.00000404 AC: 1 AN: 247798 AF XY: 0.00000743

Gnomad AFR exome AF: 0.00

Gnomad AMR exome AF: 0.00

Gnomad ASJ exome AF: 0.00

Gnomad EAS exome AF: 0.0000548

Gnomad FIN exome AF: 0.00

Gnomad NFE exome AF: 0.00

Gnomad OTH exome AF: 0.00

GnomAD4 exome AF: 0.00000685 AC: 10 AN: 1459930 Hom.: 0 Cov.: 33 AF XY: 0.00000413 AC XY: 3 AN XY: 726172

African (AFR) AF: 0.0000299 AC: 1 AN: 33464

American (AMR) AF: 0.00 AC: 0 AN: 44660

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 26106

East Asian (EAS) AF: 0.0000252 AC: 1 AN: 39686

South Asian (SAS) AF: 0.0000232 AC: 2 AN: 86116

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 52096

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 5732

European-Non Finnish (NFE) AF: 0.00000450 AC: 5 AN: 1111722

Other (OTH) AF: 0.0000166 AC: 1 AN: 60348

GnomAD4 genome AF: 0.00000657 AC: 1 AN: 152144 Hom.: 0 Cov.: 32 AF XY: 0.00 AC XY: 0 AN XY: 74304

African (AFR) AF: 0.0000241 AC: 1 AN: 41422

American (AMR) AF: 0.00 AC: 0 AN: 15284

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 3472

East Asian (EAS) AF: 0.00 AC: 0 AN: 5196

South Asian (SAS) AF: 0.00 AC: 0 AN: 4824

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 10624

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 316

European-Non Finnish (NFE) AF: 0.00 AC: 0 AN: 68004

Other (OTH) AF: 0.00 AC: 0 AN: 2090

Alfa AF: 0.00 Hom.: 0

Bravo AF: 0.00000378

ClinVar

ClinVar submissions

Significance: Uncertain significance

Revision: criteria provided, single submitter

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

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Pathogenic	0.94
BayesDel_addAF	Pathogenic	0.23	D
BayesDel_noAF	Uncertain	0.090
CADD	Pathogenic	29
DANN	Pathogenic	1.0
DEOGEN2	Benign	0.24	T
Eigen	Pathogenic	0.71
Eigen_PC	Uncertain	0.65
FATHMM_MKL	Benign	0.33	N
LIST_S2	Pathogenic	0.98	D
M_CAP	Benign	0.054	D
MetaRNN	Pathogenic	0.86	D
MetaSVM	Benign	-0.84	T
MutationAssessor	Uncertain	2.9	M
PhyloP100		7.2
PrimateAI	Pathogenic	0.85	D
PROVEAN	Pathogenic	-6.0	D
REVEL	Uncertain	0.47
Sift	Uncertain	0.0010	D
Sift4G	Uncertain	0.0030	D
Polyphen		1.0	D
Vest4		0.96
MutPred		0.61		Gain of MoRF binding (P = 0.0353)
MVP		0.75
MPC		0.35
ClinPred		1.0	D
GERP RS		4.5
Varity_R		0.85
gMVP		0.91
Mutation Taster		=20/80	disease causing

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: rs1278973760; hg19: chr17-77915879;