NM_001029884.3:c.181C>A

Variant names:

• chr6-150733862-C-A
• rs757116968
• NM_001029884.3:c.181C>A

Variant summary

Our verdict is Likely benign. The variant received -6 ACMG points: 0P and 6B. BP4_Moderate BS2

The NM_001029884.3(PLEKHG1):​c.181C>A​(p.Pro61Thr) variant causes a missense change. The variant allele was found at a frequency of 0.0000799 in 1,614,078 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. Variant has been reported in ClinVar as Uncertain significance (★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. P61L) has been classified as Uncertain significance.

• Frequency:
  • Genomes: 𝑓 0.0000066 (0 hom., cov: 32)
  • Exomes 𝑓: 0.000088 (0 hom.)
• Consequence: PLEKHG1 NM_001029884.3 missense
• Clinical Significance: Uncertain significance criteria provided, single submitter U:1
• Conservation: PhyloP100: 4.52
• Publications: 0 publications found

Genes affected

PLEKHG1 (HGNC:20884): (pleckstrin homology and RhoGEF domain containing G1) Predicted to enable guanyl-nucleotide exchange factor activity. Predicted to be involved in regulation of small GTPase mediated signal transduction. Located in nucleoplasm. [provided by Alliance of Genome Resources, Apr 2022]

PLEKHG1 Gene-Disease associations (from GenCC):

• periventricular leukomalacia

  Inheritance: AD Classification: LIMITED Submitted by: Ambry Genetics

ACMG classification

Our verdict: Likely_benign. The variant received -6 ACMG points.

• BP4: Computational evidence support a benign effect (MetaRNN=0.17279348).
• BS2: High AC in GnomAdExome4 at 128 AD gene.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001029884.3. 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
	PLEKHG1	NM_001029884.3	MANE Select	c.181C>A	p.Pro61Thr	missense	Exon 3 of 17	NP_001025055.1	Q9ULL1
	PLEKHG1	NM_001329798.2		c.358C>A	p.Pro120Thr	missense	Exon 2 of 16	NP_001316727.1
	PLEKHG1	NM_001329799.2		c.301C>A	p.Pro101Thr	missense	Exon 2 of 16	NP_001316728.1

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	PLEKHG1	ENST00000696526.1	MANE Select	c.181C>A	p.Pro61Thr	missense	Exon 3 of 17	ENSP00000512689.1	Q9ULL1
	PLEKHG1	ENST00000358517.6	TSL:5	c.181C>A	p.Pro61Thr	missense	Exon 2 of 16	ENSP00000351318.2	Q9ULL1
	PLEKHG1	ENST00000644968.1		c.181C>A	p.Pro61Thr	missense	Exon 2 of 16	ENSP00000496254.1	Q9ULL1

Frequencies

GnomAD3 genomes AF: 0.00000657 AC: 1 AN: 152188 Hom.: 0 Cov.: 32

Gnomad AFR AF: 0.00

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: 0.0000147

Gnomad OTH AF: 0.00

GnomAD2 exomes AF: 0.0000159 AC: 4 AN: 251454 AF XY: 0.0000294

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: 0.0000352

Gnomad OTH exome AF: 0.00

GnomAD4 exome AF: 0.0000876 AC: 128 AN: 1461890 Hom.: 0 Cov.: 32 AF XY: 0.0000811 AC XY: 59 AN XY: 727246

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: 0.00 AC: 0 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: 0.000108 AC: 120 AN: 1112010

Other (OTH) AF: 0.000132 AC: 8 AN: 60396

GnomAD4 genome AF: 0.00000657 AC: 1 AN: 152188 Hom.: 0 Cov.: 32 AF XY: 0.0000134 AC XY: 1 AN XY: 74352

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

African (AFR) AF: 0.00 AC: 0 AN: 41442

American (AMR) AF: 0.00 AC: 0 AN: 15274

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 3464

East Asian (EAS) AF: 0.00 AC: 0 AN: 5186

South Asian (SAS) AF: 0.00 AC: 0 AN: 4828

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 10628

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

European-Non Finnish (NFE) AF: 0.0000147 AC: 1 AN: 68048

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

⚠️ The allele balance in gnomAD version 4 Genomes is significantly skewed from the expected value of 0.5. (p-value = 0), which strongly suggests a high chance of mosaicism in these individuals.

Alfa AF: 0.0000312 Hom.: 0

Bravo AF: 0.0000113

TwinsUK AF: 0.000270 AC: 1

ALSPAC AF: 0.000259 AC: 1

ExAC AF: 0.0000165 AC: 2

EpiCase AF: 0.000109

EpiControl AF: 0.0000593

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	Benign	0.083
BayesDel_addAF	Benign	-0.21	T
BayesDel_noAF	Benign	-0.42
CADD	Benign	22
DANN	Uncertain	0.98
DEOGEN2	Benign	0.0025	T
Eigen	Benign	0.017
Eigen_PC	Benign	0.099
FATHMM_MKL	Uncertain	0.84	D
LIST_S2	Uncertain	0.87	D
M_CAP	Benign	0.010	T
MetaRNN	Benign	0.17	T
MetaSVM	Benign	-1.0	T
MutationAssessor	Benign	1.8	L
PhyloP100		4.5
PrimateAI	Benign	0.32	T
PROVEAN	Benign	-0.82	N
REVEL	Benign	0.091
Sift	Benign	0.051	T
Sift4G	Benign	0.27	T
Polyphen		0.36	B
Vest4		0.31
MutPred		0.46		Loss of glycosylation at P61 (P = 0.0638)
MVP		0.81
ClinPred		0.26	T
GERP RS		4.9
Varity_R		0.11
gMVP		0.31
Mutation Taster		=91/9	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: rs757116968; hg19: chr6-151054998;