rs200957609

Variant summary

Our verdict is Benign. The variant received -13 ACMG points: 0P and 13B. BP4_StrongBP6BS1BS2

The NM_014855.3(AP5Z1):​c.881G>A​(p.Arg294Gln) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.00373 in 1,611,758 control chromosomes in the GnomAD database, including 11 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. R294W) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.0027 ( 1 hom., cov: 33)
Exomes 𝑓: 0.0038 ( 10 hom. )

Consequence

AP5Z1
NM_014855.3 missense

Scores

3
8
8

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:1B:9

Conservation

PhyloP100: 7.68

Publications

10 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

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -13 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.011749566).
BP6
Variant 7-4784998-G-A is Benign according to our data. Variant chr7-4784998-G-A is described in ClinVar as Conflicting_classifications_of_pathogenicity. ClinVar VariationId is 360320.
BS1
Variant frequency is greater than expected in population nfe. GnomAd4 allele frequency = 0.00268 (409/152344) while in subpopulation NFE AF = 0.00345 (235/68020). AF 95% confidence interval is 0.00309. There are 1 homozygotes in GnomAd4. There are 208 alleles in the male GnomAd4 subpopulation. Median coverage is 33. This position passed quality control check.
BS2
High Homozygotes in GnomAdExome4 at 10 AR gene

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
AP5Z1NM_014855.3 linkc.881G>A p.Arg294Gln missense_variant Exon 7 of 17 ENST00000649063.2 NP_055670.1 O43299-1
AP5Z1NM_001364858.1 linkc.413G>A p.Arg138Gln missense_variant Exon 6 of 16 NP_001351787.1
AP5Z1XM_047421098.1 linkc.545G>A p.Arg182Gln missense_variant Exon 5 of 15 XP_047277054.1
AP5Z1NR_157345.1 linkn.974G>A non_coding_transcript_exon_variant Exon 7 of 17

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
AP5Z1ENST00000649063.2 linkc.881G>A p.Arg294Gln missense_variant Exon 7 of 17 NM_014855.3 ENSP00000497815.1 O43299-1

Frequencies

GnomAD3 genomes
AF:
0.00269
AC:
409
AN:
152228
Hom.:
1
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.000482
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00307
Gnomad ASJ
AF:
0.00115
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00932
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.00345
Gnomad OTH
AF:
0.00191
GnomAD2 exomes
AF:
0.00310
AC:
755
AN:
243304
AF XY:
0.00301
show subpopulations
Gnomad AFR exome
AF:
0.000480
Gnomad AMR exome
AF:
0.00193
Gnomad ASJ exome
AF:
0.00122
Gnomad EAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00874
Gnomad NFE exome
AF:
0.00428
Gnomad OTH exome
AF:
0.00289
GnomAD4 exome
AF:
0.00384
AC:
5606
AN:
1459414
Hom.:
10
Cov.:
32
AF XY:
0.00370
AC XY:
2684
AN XY:
725940
show subpopulations
African (AFR)
AF:
0.000359
AC:
12
AN:
33472
American (AMR)
AF:
0.00181
AC:
81
AN:
44644
Ashkenazi Jewish (ASJ)
AF:
0.000767
AC:
20
AN:
26082
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39678
South Asian (SAS)
AF:
0.0000116
AC:
1
AN:
86162
European-Finnish (FIN)
AF:
0.00899
AC:
468
AN:
52064
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5760
European-Non Finnish (NFE)
AF:
0.00433
AC:
4807
AN:
1111312
Other (OTH)
AF:
0.00360
AC:
217
AN:
60240
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.478
Heterozygous variant carriers
0
352
703
1055
1406
1758
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Exome Hom
Variant carriers
0
174
348
522
696
870
<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:
0.00268
AC:
409
AN:
152344
Hom.:
1
Cov.:
33
AF XY:
0.00279
AC XY:
208
AN XY:
74488
show subpopulations
African (AFR)
AF:
0.000481
AC:
20
AN:
41584
American (AMR)
AF:
0.00307
AC:
47
AN:
15308
Ashkenazi Jewish (ASJ)
AF:
0.00115
AC:
4
AN:
3472
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5180
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4832
European-Finnish (FIN)
AF:
0.00932
AC:
99
AN:
10628
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
292
European-Non Finnish (NFE)
AF:
0.00345
AC:
235
AN:
68020
Other (OTH)
AF:
0.00189
AC:
4
AN:
2116
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.496
Heterozygous variant carriers
0
23
46
70
93
116
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Genome Hom
Variant carriers
0
10
20
30
40
50
<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:
0.00329
Hom.:
0
Bravo
AF:
0.00237
TwinsUK
AF:
0.00216
AC:
8
ALSPAC
AF:
0.00208
AC:
8
ESP6500AA
AF:
0.000785
AC:
3
ESP6500EA
AF:
0.00317
AC:
26
ExAC
AF:
0.00314
AC:
379
Asia WGS
AF:
0.000289
AC:
1
AN:
3478
EpiCase
AF:
0.00365
EpiControl
AF:
0.00320

ClinVar

Significance: Conflicting classifications of pathogenicity
Submissions summary: Uncertain:1Benign:9
Revision: criteria provided, conflicting classifications
LINK: link

Submissions by phenotype

not provided Benign:5
-
Joint Genome Diagnostic Labs from Nijmegen and Maastricht, Radboudumc and MUMC+
Significance:Likely benign
Review Status:no assertion criteria provided
Collection Method:clinical testing

- -

-
Clinical Genetics DNA and cytogenetics Diagnostics Lab, Erasmus MC, Erasmus Medical Center
Significance:Likely benign
Review Status:no assertion criteria provided
Collection Method:clinical testing

- -

Mar 01, 2025
CeGaT Center for Human Genetics Tuebingen
Significance:Likely benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

AP5Z1: BP4, BS2 -

-
Laboratory of Diagnostic Genome Analysis, Leiden University Medical Center (LUMC)
Significance:Likely benign
Review Status:no assertion criteria provided
Collection Method:clinical testing

- -

Sep 11, 2020
GeneDx
Significance:Likely benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Hereditary spastic paraplegia 48 Uncertain:1Benign:1
Feb 01, 2025
Labcorp Genetics (formerly Invitae), Labcorp
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Jan 13, 2018
Illumina Laboratory Services, Illumina
Significance:Uncertain significance
Review Status:criteria provided, single submitter
Collection Method:clinical testing

This variant was observed in the ICSL laboratory as part of a predisposition screen in an ostensibly healthy population. It had not been previously curated by ICSL or reported in the Human Gene Mutation Database (HGMD: prior to June 1st, 2018), and was therefore a candidate for classification through an automated scoring system. Utilizing variant allele frequency, disease prevalence and penetrance estimates, and inheritance mode, an automated score was calculated to assess if this variant is too frequent to cause the disease. Based on the score, this variant could not be ruled out of causing disease and therefore its association with disease required further investigation. A literature search was performed for the gene, cDNA change, and amino acid change (if applicable). No publications were found based on this search. This variant was therefore classified as a variant of unknown significance for this disease. -

not specified Benign:1
Aug 30, 2024
Athena Diagnostics
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Inborn genetic diseases Benign:1
Aug 24, 2021
Ambry Genetics
Significance:Likely benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

This alteration is classified as likely benign based on a combination of the following: seen in unaffected individuals, population frequency, intact protein function, lack of segregation with disease, co-occurrence, RNA analysis, in silico models, amino acid conservation, lack of disease association in case-control studies, and/or the mechanism of disease or impacted region is inconsistent with a known cause of pathogenicity. -

Hereditary spastic paraplegia Benign:1
Jul 15, 2020
Genome Diagnostics Laboratory, The Hospital for Sick Children
Significance:Likely benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.11
BayesDel_addAF
Benign
-0.13
T
BayesDel_noAF
Uncertain
0.030
CADD
Pathogenic
30
DANN
Pathogenic
1.0
DEOGEN2
Benign
0.072
T;T
Eigen
Uncertain
0.50
Eigen_PC
Uncertain
0.39
FATHMM_MKL
Pathogenic
0.97
D
LIST_S2
Uncertain
0.91
.;D
M_CAP
Uncertain
0.095
D
MetaRNN
Benign
0.012
T;T
MetaSVM
Uncertain
-0.031
T
MutationAssessor
Uncertain
2.8
M;M
PhyloP100
7.7
PrimateAI
Benign
0.36
T
PROVEAN
Benign
-2.3
N;.
REVEL
Uncertain
0.35
Sift
Benign
0.032
D;.
Sift4G
Pathogenic
0.0
D;.
Polyphen
1.0
D;D
Vest4
0.53
MVP
0.30
ClinPred
0.034
T
GERP RS
3.9
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.1
Varity_R
0.19
gMVP
0.49
Mutation Taster
=87/13
polymorphism

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.040
Details are displayed if max score is > 0.2

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

Publications

Other links and lift over

dbSNP: rs200957609; hg19: chr7-4824629; COSMIC: COSV62242148; COSMIC: COSV62242148; API