Genetic Variant AP5Z1:p.Pro733Ser (chr7-4791158-C-T) – ACMG Classification: Uncertain_significance (0 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_014855.3(AP5Z1):c.2197C>T(p.Pro733Ser) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000686 in 1,458,012 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. 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. P733L) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 33)

Exomes 𝑓: 6.9e-7 ( 0 hom. )

Consequence

AP5Z1
NM_014855.3 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 1.84

Publications

0 publications found

Variant links:

Genes affected

AP5Z1 (HGNC:22197): (adaptor related protein complex 5 subunit zeta 1) This gene was identified by genome-wide screen for genes involved in homologous recombination DNA double-strand break repair (HR-DSBR). The encoded protein was found in a complex with other proteins that have a role in HR-DSBR. Knockdown of this gene reduced homologous recombination, and mutations in this gene were found in patients with spastic paraplegia. It was concluded that this gene likely encodes a helicase (PMID:20613862). [provided by RefSeq, Jan 2011]

AP5Z1 Gene-Disease associations (from GenCC):

hereditary spastic paraplegia
Inheritance: AR Classification: DEFINITIVE Submitted by: ClinGen
hereditary spastic paraplegia 48
Inheritance: AR Classification: STRONG, MODERATE, SUPPORTIVE Submitted by: Genomics England PanelApp, Ambry Genetics, Labcorp Genetics (formerly Invitae), Orphanet

AP5Z1 links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 0 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.13443726).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
AP5Z1	NM_014855.3 link	c.2197C>T	p.Pro733Ser	missense_variant	Exon 17 of 17	ENST00000649063.2	NP_055670.1	O43299-1
AP5Z1	NM_001364858.1 link	c.1729C>T	p.Pro577Ser	missense_variant	Exon 16 of 16		NP_001351787.1
AP5Z1	XM_047421098.1 link	c.1861C>T	p.Pro621Ser	missense_variant	Exon 15 of 15		XP_047277054.1
AP5Z1	NR_157345.1 link	n.2328C>T		non_coding_transcript_exon_variant	Exon 17 of 17

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
AP5Z1	ENST00000649063.2 link	c.2197C>T	p.Pro733Ser	missense_variant	Exon 17 of 17		NM_014855.3	ENSP00000497815.1		O43299-1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

6.86e-7

AC:

AN:

1458012

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

725014

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33400

American (AMR)

AF:

0.00

AC:

AN:

44468

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26038

East Asian (EAS)

AF:

0.00

AC:

AN:

39568

South Asian (SAS)

AF:

0.0000116

AC:

AN:

85878

European-Finnish (FIN)

AF:

0.00

AC:

AN:

52082

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5758

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1110586

Other (OTH)

AF:

0.00

AC:

AN:

60234

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.525

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome 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

GnomAD4 genome

Cov.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.078

BayesDel_addAF

Benign

-0.26

BayesDel_noAF

Benign

-0.61

CADD

Benign

7.0

(source)

DANN

Benign

0.62

DEOGEN2

Benign

0.038

T;T

Eigen

Benign

-0.12

Eigen_PC

Benign

-0.20

FATHMM_MKL

Uncertain

0.89

LIST_S2

Benign

0.58

.;T

M_CAP

Benign

0.022

MetaRNN

Benign

0.13

T;T

MetaSVM

Benign

-0.88

MutationAssessor

Uncertain

2.4

M;M

PhyloP100

1.8

PrimateAI

Benign

0.38

PROVEAN

Benign

-2.2

N;.

REVEL

Benign

0.15

Sift

Benign

0.41

T;.

Sift4G

Benign

0.29

T;.

Polyphen

0.67

P;P

Vest4

0.25

MutPred

0.15

Gain of phosphorylation at P733 (P = 0.0313);Gain of phosphorylation at P733 (P = 0.0313);

MVP

0.12

ClinPred

0.24

GERP RS

4.1

Varity_R

0.076

gMVP

0.32

Mutation Taster

=89/11

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

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over