rs199836683

Variant names:

Variant summary

Our verdict is Likely benign. The variant received -4 ACMG points: 0P and 4B. BP4_Strong

The NM_016147.3(PPME1):c.803T>C(p.Ile268Thr) variant causes a missense change. The variant allele was found at a frequency of 0.0000948 in 1,613,274 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 17/22 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000085 ( 0 hom., cov: 31)

Exomes 𝑓: 0.000096 ( 0 hom. )

Consequence

PPME1
NM_016147.3 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 3.67

Publications

1 publications found

Variant links:

Genes affected

PPME1 (HGNC:30178): (protein phosphatase methylesterase 1) This gene encodes a protein phosphatase methylesterase localized to the nucleus. The encoded protein acts on the protein phosphatase-2A catalytic subunit and supports the ERK pathway through dephosphorylation of regulatory proteins. It plays a role in malignant glioma progression. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Oct 2012]

PPME1 links:

P4HA3 (HGNC:30135): (prolyl 4-hydroxylase subunit alpha 3) This gene encodes a component of prolyl 4-hydroxylase, a key enzyme in collagen synthesis composed of two identical alpha subunits and two beta subunits. The encoded protein is one of several different types of alpha subunits and provides the major part of the catalytic site of the active enzyme. In collagen and related proteins, prolyl 4-hydroxylase catalyzes the formation of 4-hydroxyproline that is essential to the proper three-dimensional folding of newly synthesized procollagen chains. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Jan 2014]

P4HA3 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -4 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.013070762).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
PPME1	NM_016147.3 link	c.803T>C	p.Ile268Thr	missense_variant	Exon 9 of 14	ENST00000328257.13	NP_057231.1	Q9Y570-1A0A140VK39
PPME1	NM_001271593.2 link	c.803T>C	p.Ile268Thr	missense_variant	Exon 9 of 14		NP_001258522.1	Q9Y570-4
PPME1	XM_047427116.1 link	c.803T>C	p.Ile268Thr	missense_variant	Exon 9 of 12		XP_047283072.1
PPME1	XM_017017913.3 link	c.803T>C	p.Ile268Thr	missense_variant	Exon 9 of 10		XP_016873402.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
PPME1	ENST00000328257.13 link	c.803T>C	p.Ile268Thr	missense_variant	Exon 9 of 14	1	NM_016147.3	ENSP00000329867.8		Q9Y570-1
PPME1	ENST00000398427.6 link	c.803T>C	p.Ile268Thr	missense_variant	Exon 9 of 14	1		ENSP00000381461.4		Q9Y570-4

Frequencies

GnomAD3 genomes

AF:

0.0000854

AC:

AN:

152136

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000241

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00

Gnomad ASJ

AF:

0.00173

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.0000882

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.000157

AC:

AN:

248374

AF XY:

0.000141

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.000262

Gnomad ASJ exome

AF:

0.00169

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.000107

Gnomad OTH exome

AF:

0.000166

GnomAD4 exome

AF:

0.0000958

AC:

140

AN:

1461138

Hom.:

Cov.:

AF XY:

0.000100

AC XY:

AN XY:

726846

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33458

American (AMR)

AF:

0.000336

AC:

AN:

44628

Ashkenazi Jewish (ASJ)

AF:

0.00157

AC:

AN:

26110

East Asian (EAS)

AF:

0.00

AC:

AN:

39672

South Asian (SAS)

AF:

0.00

AC:

AN:

86166

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53374

Middle Eastern (MID)

AF:

0.000347

AC:

AN:

5760

European-Non Finnish (NFE)

AF:

0.0000594

AC:

AN:

1111626

Other (OTH)

AF:

0.000265

AC:

AN:

60344

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.483

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

AF:

0.0000854

AC:

AN:

152136

Hom.:

Cov.:

AF XY:

0.0000942

AC XY:

AN XY:

74318

show subpopulations

African (AFR)

AF:

0.0000241

AC:

AN:

41452

American (AMR)

AF:

0.00

AC:

AN:

15266

Ashkenazi Jewish (ASJ)

AF:

0.00173

AC:

AN:

3472

East Asian (EAS)

AF:

0.00

AC:

AN:

5184

South Asian (SAS)

AF:

0.00

AC:

AN:

4826

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10606

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.0000882

AC:

AN:

68012

Other (OTH)

AF:

0.00

AC:

AN:

2090

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.479

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.000148

Hom.:

Bravo

AF:

0.0000869

ESP6500AA

AF:

0.00

AC:

ESP6500EA

AF:

0.000244

AC:

ExAC

AF:

0.000116

AC:

EpiCase

AF:

0.0000545

EpiControl

AF:

0.000297

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Feb 23, 2023

Ambry Genetics

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

The c.803T>C (p.I268T) alteration is located in exon 9 (coding exon 9) of the PPME1 gene. This alteration results from a T to C substitution at nucleotide position 803, causing the isoleucine (I) at amino acid position 268 to be replaced by a threonine (T). 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

0.092

BayesDel_addAF

Benign

-0.35

BayesDel_noAF

Benign

-0.44

CADD

Benign

(source)

DANN

Benign

0.87

DEOGEN2

Benign

0.056

T;.

Eigen

Benign

-0.40

Eigen_PC

Benign

-0.11

FATHMM_MKL

Uncertain

0.85

LIST_S2

Uncertain

0.87

D;T

M_CAP

Benign

0.014

MetaRNN

Benign

0.013

T;T

MetaSVM

Benign

-0.96

MutationAssessor

Benign

-0.49

N;N

PhyloP100

3.7

PrimateAI

Benign

0.44

PROVEAN

Benign

0.84

N;N

REVEL

Benign

0.070

Sift

Benign

0.72

T;T

Sift4G

Benign

0.64

T;T

Polyphen

0.0

B;.

Vest4

0.21

MVP

0.15

MPC

0.55

ClinPred

0.055

GERP RS

5.6

RBP_binding_hub_radar

1.0

RBP_regulation_power_radar

2.1

Varity_R

0.073

gMVP

0.18

Mutation Taster

=66/34

polymorphism

(source)

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

You must be logged in to view publications. This limit was set because tens of millions (!) of queries from AI bots are generated daily.

rs199836683

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over