chr10-45826267-T-C

Variant names:

• chr10-45826267-T-C
• rs1179980674
• NM_001276343.3:c.1709A>G

Variant summary

Our verdict is Uncertain significance. Variant got 1 ACMG points: 2P and 1B. PM2 BP4

The NM_001276343.3(AGAP4):​c.1709A>G​(p.Lys570Arg) variant causes a missense change. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a benign outcome for this variant. 11/19 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

• Frequency:
  • Genomes: not found (cov: 23)
  • Exomes 𝑓: 0.0000014 (0 hom.)
  • Failed GnomAD Quality Control
• Consequence: AGAP4 NM_001276343.3 missense
• Clinical Significance: Uncertain significance criteria provided, single submitter U:1
• Conservation: PhyloP100: 5.59

Genes affected

AGAP4 (HGNC:23459): (ArfGAP with GTPase domain, ankyrin repeat and PH domain 4) Predicted to enable GTPase activator activity and metal ion binding activity. Predicted to be involved in regulation of catalytic activity. Predicted to be active in nucleus. [provided by Alliance of Genome Resources, Apr 2022]

PARGP1-AGAP4 (HGNC:):

ACMG classification

Verdict is Uncertain_significance. Variant got 1 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (MetaRNN=0.3011573).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
AGAP4	NM_001276343.3	c.1709A>G	p.Lys570Arg	missense_variant	Exon 8 of 8	ENST00000616763.6	NP_001263272.2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
AGAP4	ENST00000616763.6	c.1709A>G	p.Lys570Arg	missense_variant	Exon 8 of 8	1	NM_001276343.3	ENSP00000483751.2
AGAP4	ENST00000448048.7	c.1640A>G	p.Lys547Arg	missense_variant	Exon 7 of 7	1		ENSP00000392513.2

Frequencies

GnomAD3 genomes Cov.: 23

GnomAD4 exome Data not reliable, filtered out with message: AS_VQSR AF: 0.00000137 AC: 2 AN: 1456102 Hom.: 0 Cov.: 30 AF XY: 0.00000276 AC XY: 2 AN XY: 724388

Gnomad4 AFR exome AF: 0.0000599

Gnomad4 AMR exome AF: 0.00

Gnomad4 ASJ exome AF: 0.00

Gnomad4 EAS exome AF: 0.00

Gnomad4 SAS exome AF: 0.00

Gnomad4 FIN exome AF: 0.00

Gnomad4 NFE exome AF: 0.00

Gnomad4 OTH exome AF: 0.00

GnomAD4 genome Cov.: 23

Bravo AF: 0.00000378

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

Submissions by phenotype

not specified Uncertain:1

Dec 02, 2024

Ambry Genetics

Significance: Uncertain significance

Review Status: criteria provided, single submitter

Collection Method: clinical testing

The c.1640A>G (p.K547R) alteration is located in exon 7 (coding exon 7) of the AGAP4 gene. This alteration results from a A to G substitution at nucleotide position 1640, causing the lysine (K) at amino acid position 547 to be replaced by an arginine (R). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Benign	0.28
BayesDel_addAF	Benign	-0.066	T
BayesDel_noAF	Benign	-0.33
CADD	Benign	19
DANN	Uncertain	0.99
DEOGEN2	Benign	0.32	T;.;.;.
Eigen	Benign	0.14
Eigen_PC	Benign	-0.24
FATHMM_MKL	Uncertain	0.83	D
LIST_S2	Pathogenic	1.0	D;D;D;D
M_CAP	Benign	0.0050	T
MetaRNN	Benign	0.30	T;T;T;T
MetaSVM	Benign	-0.38	T
MutationAssessor	Pathogenic	4.6	H;.;.;.
PrimateAI	Uncertain	0.63	T
PROVEAN	Uncertain	-2.7	D;.;.;.
REVEL	Benign	0.27
Sift	Uncertain	0.0010	D;.;.;.
Sift4G	Uncertain	0.0030	D;D;D;D
Polyphen		1.0	D;.;.;.
Vest4		0.48
MVP		0.12
ClinPred		1.0	D
Varity_R		0.81
gMVP		0.047

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: rs1179980674; hg19: chr10-46321715;