Genetic Variant PEX16:c.*324G>C (chr11-45909930-C-G) – ACMG Classification: Benign (-8 pts)

Variant summary

Our verdict is Benign. The variant received -8 ACMG points: 0P and 8B. BP4_StrongBS1

The NM_004813.4(PEX16):c.*324G>C variant causes a 3 prime UTR change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000127 in 682,908 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: 𝑓 0.00012 ( 0 hom., cov: 34)

Exomes 𝑓: 0.00013 ( 0 hom. )

Consequence

PEX16
NM_004813.4 3_prime_UTR

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: -2.38

Publications

0 publications found

Variant links:

Genes affected

PEX16 (HGNC:8857): (peroxisomal biogenesis factor 16) The protein encoded by this gene is an integral peroxisomal membrane protein. An inactivating nonsense mutation localized to this gene was observed in a patient with Zellweger syndrome of the complementation group CGD/CG9. Expression of this gene product morphologically and biochemically restores the formation of new peroxisomes, suggesting a role in peroxisome organization and biogenesis. Alternative splicing has been observed for this gene and two variants have been described. [provided by RefSeq, Jul 2008]

PEX16 Gene-Disease associations (from GenCC):

peroxisome biogenesis disorder
Inheritance: AR Classification: DEFINITIVE Submitted by: ClinGen
peroxisome biogenesis disorder 8A (Zellweger)
Inheritance: AR Classification: DEFINITIVE, MODERATE Submitted by: G2P, Ambry Genetics
peroxisome biogenesis disorder 8B
Inheritance: AR Classification: DEFINITIVE, STRONG, MODERATE Submitted by: Ambry Genetics, Labcorp Genetics (formerly Invitae), G2P
Zellweger spectrum disorders
Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet

PEX16 links:

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ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -8 ACMG points.

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.85).

BS1

Variant frequency is greater than expected in population amr. GnomAd4 allele frequency = 0.000125 (19/152342) while in subpopulation AMR AF = 0.00098 (15/15308). AF 95% confidence interval is 0.000603. There are 0 homozygotes in GnomAd4. There are 8 alleles in the male GnomAd4 subpopulation. Median coverage is 34. This position passed quality control check.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
PEX16	NM_004813.4 link	c.*324G>C		3_prime_UTR_variant	Exon 11 of 11	ENST00000378750.10	NP_004804.2	Q9Y5Y5-1

Ensembl

Gene	Transcript	HGVSc	Effect	Exon rank	TSL	MANE	Protein	UniProt
PEX16	ENST00000378750.10 link	c.*324G>C	3_prime_UTR_variant	Exon 11 of 11	1	NM_004813.4	ENSP00000368024.5	Q9Y5Y5-1
PEX16	ENST00000241041.7 link	c.*159G>C	3_prime_UTR_variant	Exon 11 of 11	1		ENSP00000241041.3	Q9Y5Y5-2
PEX16	ENST00000523721.2 link	n.*240G>C	downstream_gene_variant		5

Frequencies

GnomAD3 genomes

AF:

0.000112

AC:

AN:

152224

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000965

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:

0.00

GnomAD4 exome

AF:

0.000128

AC:

AN:

530566

Hom.:

Cov.:

AF XY:

0.0000815

AC XY:

AN XY:

282100

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

15356

American (AMR)

AF:

0.00205

AC:

AN:

31280

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

16652

East Asian (EAS)

AF:

0.00

AC:

AN:

31992

South Asian (SAS)

AF:

0.00

AC:

AN:

54996

European-Finnish (FIN)

AF:

0.00

AC:

AN:

32118

Middle Eastern (MID)

AF:

0.00

AC:

AN:

2246

European-Non Finnish (NFE)

AF:

0.00000947

AC:

AN:

316626

Other (OTH)

AF:

0.0000341

AC:

AN:

29300

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.504

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

AF:

0.000125

AC:

AN:

152342

Hom.:

Cov.:

AF XY:

0.000107

AC XY:

AN XY:

74496

show subpopulations

African (AFR)

AF:

0.0000962

AC:

AN:

41584

American (AMR)

AF:

0.000980

AC:

AN:

15308

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3470

East Asian (EAS)

AF:

0.00

AC:

AN:

5186

South Asian (SAS)

AF:

0.00

AC:

AN:

4828

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10622

Middle Eastern (MID)

AF:

0.00

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

68024

Other (OTH)

AF:

0.00

AC:

AN:

2114

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.537

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.00

Hom.:

Bravo

AF:

0.000227

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.85

CADD

Benign

0.027

(source)

DANN

Benign

0.46

PhyloP100

-2.4

Splicing

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

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11-45909930-C-G

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over