Genetic Variant PIP4P1:p.Leu252Leu (chr14-20458637-C-G) – ACMG Classification: Benign (-15 pts)

Variant summary

Our verdict is Benign. The variant received -15 ACMG points: 0P and 15B. BP4_ModerateBP6_Very_StrongBP7BS2

The NM_144568.4(PIP4P1):c.756G>C(p.Leu252Leu) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000299 in 1,614,232 control chromosomes in the GnomAD database, including 2 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★★).

Frequency

Genomes: 𝑓 0.0016 ( 0 hom., cov: 32)

Exomes 𝑓: 0.00016 ( 2 hom. )

Consequence

PIP4P1
NM_144568.4 synonymous

Scores

Clinical Significance

Benign criteria provided, multiple submitters, no conflicts B:2

Conservation

PhyloP100: 0.449

Publications

0 publications found

Variant links:

Genes affected

PIP4P1 (HGNC:19299): (phosphatidylinositol-4,5-bisphosphate 4-phosphatase 1) TMEM55B catalyzes the degradation of phosphatidylinositol 4,5-bisphosphate (PtdIns-4,5-P2) by removing the 4-phosphate (Ungewickell et al., 2005 [PubMed 16365287]).[supplied by OMIM, Mar 2008]

PIP4P1 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -15 ACMG points.

BP4

Computational evidence support a benign effect (REVEL=0.109).

BP6

Variant 14-20458637-C-G is Benign according to our data. Variant chr14-20458637-C-G is described in ClinVar as Benign. ClinVar VariationId is 726812.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

BP7

Synonymous conserved (PhyloP=0.449 with no splicing effect.

BS2

High Homozygotes in GnomAdExome4 at 2 gene

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_144568.4. 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
	PIP4P1	NM_144568.4	MANE Select	c.756G>C	p.Leu252Leu	synonymous	Exon 7 of 7	NP_653169.2	Q86T03-1
	PIP4P1	NM_001100814.3		c.777G>C	p.Leu259Leu	synonymous	Exon 7 of 7	NP_001094284.1	Q86T03-2

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
PIP4P1	ENST00000250489.9	TSL:1 MANE Select	c.756G>C	p.Leu252Leu	synonymous	Exon 7 of 7	ENSP00000250489.4	Q86T03-1
PIP4P1	ENST00000398020.6	TSL:1	c.777G>C	p.Leu259Leu	synonymous	Exon 7 of 7	ENSP00000381102.4	Q86T03-2
PIP4P1	ENST00000924695.1		c.768G>C	p.Leu256Leu	synonymous	Exon 7 of 7	ENSP00000594754.1

Frequencies

GnomAD3 genomes

AF:

0.00164

AC:

250

AN:

152242

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00562

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000850

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:

0.00191

GnomAD2 exomes

AF:

0.000379

AC:

AN:

250786

AF XY:

0.000177

show subpopulations

Gnomad AFR exome

AF:

0.00548

Gnomad AMR exome

AF:

0.000116

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00

Gnomad OTH exome

AF:

0.000326

GnomAD4 exome

AF:

0.000159

AC:

232

AN:

1461872

Hom.:

Cov.:

AF XY:

0.000138

AC XY:

100

AN XY:

727236

show subpopulations

African (AFR)

AF:

0.00571

AC:

191

AN:

33478

American (AMR)

AF:

0.000313

AC:

AN:

44720

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26136

East Asian (EAS)

AF:

0.00

AC:

AN:

39700

South Asian (SAS)

AF:

0.0000348

AC:

AN:

86256

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53420

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

0.00000360

AC:

AN:

1111998

Other (OTH)

AF:

0.000331

AC:

AN:

60396

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.473

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Exome Hom

Variant carriers

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

GnomAD4 genome

AF:

0.00165

AC:

251

AN:

152360

Hom.:

Cov.:

AF XY:

0.00142

AC XY:

106

AN XY:

74498

show subpopulations

African (AFR)

AF:

0.00563

AC:

234

AN:

41584

American (AMR)

AF:

0.000849

AC:

AN:

15308

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3470

East Asian (EAS)

AF:

0.00

AC:

AN:

5190

South Asian (SAS)

AF:

0.00

AC:

AN:

4826

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10620

Middle Eastern (MID)

AF:

0.00

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

68040

Other (OTH)

AF:

0.00189

AC:

AN:

2116

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.499

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Variant carriers

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

Alfa

AF:

0.000402

Hom.:

Bravo

AF:

0.00196

Asia WGS

AF:

0.000577

AC:

AN:

3478

ClinVar

ClinVar submissions

Significance:Benign

Revision:criteria provided, multiple submitters, no conflicts

View on ClinVar

Pathogenic

VUS

Benign

Condition

not provided (2)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.58

CADD

Benign

6.4

(source)

DANN

Benign

0.76

PhyloP100

0.45

Mutation Taster

=100/0

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.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

Age Distribution

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over