About Gene List

PF3D7_1332600 (APN1)

Genome location: Pf3D7_13_v3:1,340,764..1,344,123(-)

Genome classification: Core

Function and Localization

Product Description: DNA-(apurinic or apyrimidinic site) lyase 1

SignalP Peptide: N/A

# Transmembrane Domains: 1

EC Numbers: 4.2.99.18 (DNA-(apurinic or apyrimidinic site) lyase)

Curated GO (PlasmoDB):

Type GO Term Name
Component GO:0005739 mitochondrion
Component GO:0005634 nucleus
Function GO:0003906 DNA-(apurinic or apyrimidinic site) endonuclease activity
Function GO:0030145 manganese ion binding
Function GO:0016791 phosphatase activity
Function GO:0008081 phosphoric diester hydrolase activity
Function GO:0008270 zinc ion binding
Process GO:0006284 base-excision repair

Expression by stage (LR - Le Roch et al., and MCA - Malaria Cell Atlas):

Stage LR class MCA mean MCA prop. zeros
Sporozoite not expressed N/A N/A
Ring possibly expressed 0.14 0.93
Trophozoite expressed 1.16 0.44
Schizont expressed 1.11 0.47
Gametocyte expressed 0.71 0.62

More info:

Resistome Mutations

Old (Pf3D7v3) Gene ID: PF3D7_1332600

Resistome Missense Mutations: None

Resistome Compounds with Missense Mutations: None

Resistome # Samples with Disruptive Mutations: 0 (0 missense, 0 "interesting" missense)

Essentiality (ABS)

Zhang Phenotype: Mutable in CDS

MIS: 0.941 | MFS: -2.627 | #Insertions: 1

PlasmoGEM Phenotype: N/A

RMgmDB ABS Phenotype: Different from wild type (Pb ortholog: PBANKA_1347400)

Modification: Tagged | RMgm-4985

More info: PhenoPlasm Link

Binding Evidence

AlphaFill Uniprot ID: Q8IE02

"Best" AlphaFill ligand hit: BCN (bicine, Local RMSD=0.32) with 2X7W (Global RMSD=1.50)

BRENDA EC Inhibitors:

EC # Name EC Inhibitors
4.2.99.18 DNA-(apurinic or apyrimidinic site) lyase ATPAMPKClCMPUMPP53EDTAdCMPdTMPdAMPdGMPATCA...

No evidence of orthology to BindingDB entries

Orthology Information

Ortholog Group (OrthoMCL): OG6_104339

No human ortholog(s)

Genetic Variation

MalariaGEN Pf7 (worldwide samples) # unique SNV/indels:

Homozygous genotype calls only

variant type common rare doubleton singleton
synonymous 6 19 8 46
disruptive 30 65 43 98
missense 13 54 35 80

Any inclusion in genotype call

variant type common rare doubleton singleton
synonymous 8 42 27 32
disruptive 56 133 79 116
missense 21 108 65 94

PlasmoDB Total SNPs: 2

Non-coding: 2 | Synonymous: 0 | Nonsynonymous: 0 | Stop Codon: 0

Protein Information

Protein Length: 597 | Molecular Weight (kDa): 69.722

UniProt ID(s): Q8IE02, Q964Q4, Q9BMG7

PDB ID(s): None

Isoelectric Point: 9.65

Protein Domain Annotations:

Source Family ID Description
InterPro IPR001719 AP endonuclease 2
InterPro IPR013022 Xylose isomerase-like, TIM barrel domain
InterPro IPR018246 AP endonuclease 2, zinc binding site
InterPro IPR036237 Xylose isomerase-like superfamily
PFam PF01261 Xylose isomerase-like, TIM barrel domain
Superfamily SSF51658 Xylose isomerase-like superfamily

Associated Publications

PMID Title Authors DOI/Link
31386260 Plasmodium falciparum Apn1 homolog is a mitochondrial base excision repairprotein with restricted enzymatic functions. Tiwari A, Kuldeep J, Siddiqi MI, Habib S 10.1111/febs.15032
32075635 Identification, molecular characterization and expression of aminopeptidase N-1(APN-1) from Anopheles stephensi in SF9 cell line as a candidate molecule fordeveloping a vaccine that interrupt malaria transmission Dadgar Pakdel J, Zakeri S, Raz A, Dinparast Djadid N 10.1186/s12936-020-03154-3
36430884 Kinetic Features of 3'-5'-Exonuclease Activity of Apurinic/ApyrimidinicEndonuclease Apn2 from Saccharomyces cerevisiae Kuznetsova AA, Gavrilova AA, ..., Kuznetsov NA 10.3390/ijms232214404
33108581 Astaxanthin protects oxidative stress mediated DNA damage and enhances longevityin Saccharomyces cerevisiae Sudharshan SJ, Dyavaiah M 10.1007/s10522-020-09904-9
35809390 C. elegans ribosomal protein S3 protects against H(2)O(2)-induced DNA damage andsuppresses spontaneous mutations in yeast Elsakrmy N, Aouida M, ..., Ramotar D 10.1016/j.dnarep.2022.103359
37075541 Saccharomyces cerevisiae apurinic/apyrimidinic endonuclease 1 repairs abasicsite-mediated DNA-peptide/protein cross-links Bryan C, Le J, Wei X, Yang K 10.1016/j.dnarep.2023.103501
33386486 The activity of yeast Apn2 AP endonuclease at uracil-derived AP sites isdependent on the major carbon source Stokdyk K, Berroyer A, Grami ZA, Kim N 10.1007/s00294-020-01141-4
33686425 Identification and Characterization of Aminopeptidase N 1 Gene of the IndianMalaria Vector Anopheles culicifacies (Diptera: Culicidae) Jakhar R, Gakhar SK 10.1093/jme/tjab011
33711786 Mitochondrial apurinic/apyrimidinic endonuclease Apn1 is not critical for thecompletion of the Plasmodium berghei life cycle Srivastava PN, Narwal SK, Mishra S 10.1016/j.dnarep.2021.103078
33096888 New Insights in Saccharomyces cerevisiae Response to the CyanotoxinMicrocystin-LR, Revealed by Proteomics and Gene Expression Valerio E, Barreiros S, ..., Campos A 10.3390/toxins12100667