Genetic Variant PYY:p.Arg61Pro (chr17-43953302-C-G) – ACMG Classification: Likely_pathogenic (6 pts)

Variant summary

Our verdict is Likely pathogenic. The variant received 6 ACMG points: 6P and 0B. PM2PP3_Strong

The NM_001394028.1(PYY):c.182G>C(p.Arg61Pro) variant causes a missense change. The variant allele was found at a frequency of 0.000000685 in 1,459,914 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. R61L) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 33)

Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

PYY
NM_001394028.1 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 7.16

Publications

0 publications found

Variant links:

Genes affected

PYY (HGNC:9748): (peptide YY) This gene encodes a member of the neuropeptide Y (NPY) family of peptides. The encoded preproprotein is proteolytically processed to generate two alternative peptide products that differ in length by three amino acids. These peptides, secreted by endocrine cells in the gut, exhibit different binding affinities for each of the neuropeptide Y receptors. Binding of the encoded peptides to these receptors mediates regulation of pancreatic secretion, gut mobility and energy homeostasis. Rare variations in this gene could increase susceptibility to obesity and elevated serum levels of the encoded peptides may be associated with anorexia nervosa. [provided by RefSeq, Feb 2016]

PYY links:

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ACMG classification

Classification was made for transcript

Our verdict: Likely_pathogenic. The variant received 6 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

PP3

MetaRNN computational evidence supports a deleterious effect, 0.989

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
PYY	NM_001394028.1 link	c.182G>C	p.Arg61Pro	missense_variant	Exon 2 of 4	ENST00000692052.1	NP_001380957.1
PYY	NM_004160.6 link	c.182G>C	p.Arg61Pro	missense_variant	Exon 5 of 7		NP_004151.4	P10082-1
PYY	NM_001394029.1 link	c.182G>C	p.Arg61Pro	missense_variant	Exon 2 of 3		NP_001380958.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
PYY	ENST00000692052.1 link	c.182G>C	p.Arg61Pro	missense_variant	Exon 2 of 4		NM_001394028.1	ENSP00000509262.1	P10082-1
PYY	ENST00000360085.6 link	c.182G>C	p.Arg61Pro	missense_variant	Exon 5 of 7	1		ENSP00000353198.1	P10082-1
PYY	ENST00000592796.2 link	c.182G>C	p.Arg61Pro	missense_variant	Exon 2 of 3	1		ENSP00000467310.1	P10082-2

Frequencies

GnomAD3 genomes

Cov.:

GnomAD2 exomes

AF:

0.00000409

AC:

AN:

244614

AF XY:

0.00000750

show subpopulations

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:

0.00000911

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

6.85e-7

AC:

AN:

1459914

Hom.:

Cov.:

AF XY:

0.00000138

AC XY:

AN XY:

726228

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33438

American (AMR)

AF:

0.00

AC:

AN:

44488

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26070

East Asian (EAS)

AF:

0.00

AC:

AN:

39620

South Asian (SAS)

AF:

0.00

AC:

AN:

86126

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53022

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5744

European-Non Finnish (NFE)

AF:

9.00e-7

AC:

AN:

1111146

Other (OTH)

AF:

0.00

AC:

AN:

60260

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.475

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Pathogenic

0.87

BayesDel_addAF

Pathogenic

0.53

BayesDel_noAF

Pathogenic

0.53

CADD

Pathogenic

(source)

DANN

Uncertain

1.0

DEOGEN2

Uncertain

0.52

D;.

Eigen

Uncertain

0.66

Eigen_PC

Uncertain

0.64

FATHMM_MKL

Uncertain

0.95

LIST_S2

Uncertain

0.88

D;D

M_CAP

Pathogenic

0.56

MetaRNN

Pathogenic

0.99

D;D

MetaSVM

Pathogenic

1.0

PhyloP100

7.2

PrimateAI

Pathogenic

0.84

PROVEAN

Pathogenic

-7.0

D;.

REVEL

Pathogenic

0.96

Sift

Pathogenic

0.0

D;.

Sift4G

Pathogenic

0.0

D;D

Polyphen

1.0

D;.

Vest4

0.96

MutPred

0.93

Loss of MoRF binding (P = 0.005);Loss of MoRF binding (P = 0.005);

MVP

0.97

MPC

1.1

ClinPred

0.99

GERP RS

4.6

Varity_R

0.92

gMVP

0.90

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

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Computational scores

Splicing

Publications

Other links and lift over