About Gene List

PF3D7_0320500 (Nico)

Genome location: Pf3D7_03_v3:860,221..862,776(+)

Genome classification: Core

Function and Localization

Product Description: nicotinamidase, putative

SignalP Peptide: N/A

# Transmembrane Domains: 0

EC Numbers: 3.5.1.19 (Nicotinamidase)

Curated GO (PlasmoDB):

Type GO Term Name
Component GO:0005737 cytoplasm
Component GO:0005634 nucleus

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 expressed 0.11 0.94
Trophozoite expressed 0.31 0.82
Schizont expressed 1.11 0.48
Gametocyte expressed 0.26 0.85

More info:

Resistome Mutations

Old (Pf3D7v3) Gene ID: PF3D7_0320500

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: Non - Mutable in CDS

MIS: 0.145 | MFS: -3.167 | #Insertions: 0

PlasmoGEM Phenotype: Dispensable (Pb ortholog: PBANKA_1218000)

  • Relative Growth Rate: 1.00 ± 0.08
  • Confidence: 6.45

RMgmDB ABS Phenotype: Different from wild type (Pb ortholog: PBANKA_1218000)

Modification: Disrupted | RMgm-3263

More info: PhenoPlasm Link

Binding Evidence

AlphaFill Uniprot ID: O97284

"Best" AlphaFill ligand hit: NIO (nicotinic acid, Local RMSD=0.41) with 2WT9 (Global RMSD=2.35)

BRENDA EC Inhibitors:

EC # Name EC Inhibitors
3.5.1.19 nicotinamidase CysNAD+EDTAPCMBHgCl2ZnCl2CuCl2NiCl2isoniazidL-thyroxineTriton X-100benzaldehyde...

Orthology to BindingDB Entries:

UniProt Protein Name Species Homology Source BindingDB Ligands
Q7YTI0 Isochorismatase domain-containing protein Caenorhabditis elegans OrthoDB, OrthoMCL Nicotinamidase Inhibitor, 16Nicotinamidase Inhibitor, 17Nicotinamidase Inhibitor, 18Nicotinamidase Inhibitor, 22
P53184 Nicotinamidase Saccharomyces cerevisiae OrthoDB, OrthoMCL Nicotinamidase Inhibitor, 16Nicotinamidase Inhibitor, 17Nicotinamidase Inhibitor, 18Nicotinamidase Inhibitor, 19
Q9N426 Isochorismatase domain-containing protein Caenorhabditis elegans OrthoDB, OrthoMCL Nicotinamidase Inhibitor, 16Nicotinamidase Inhibitor, 17Nicotinamidase Inhibitor, 18Nicotinamidase Inhibitor, 22
O50718 Pyrazinamidase/nicotinamidase, PncA protein Borrelia burgdorferi OrthoMCL BLAST Nicotinamidase Inhibitor, 16Nicotinamidase Inhibitor, 17Nicotinamidase Inhibitor, 18Nicotinamidase Inhibitor, 19

Orthology Information

Ortholog Group (OrthoMCL): OG6_100439

No human ortholog(s)

Protein Information

Protein Length: 429 | Molecular Weight (kDa): 50.151

UniProt ID(s): O97284

PDB ID(s): None

Isoelectric Point: 5.22

Protein Domain Annotations:

Source Family ID Description
InterPro IPR000868 Isochorismatase-like
InterPro IPR036380 Isochorismatase-like superfamily
PFam PF00857 Isochorismatase-like
Superfamily SSF52499 Isochorismatase-like superfamily

Genetic Variation

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

Homozygous genotype calls only

variant type common rare doubleton singleton
synonymous 2 14 6 25
disruptive 7 22 29 52
missense 6 21 27 47

Any inclusion in genotype call

variant type common rare doubleton singleton
synonymous 2 30 17 24
disruptive 10 78 57 114
missense 8 65 49 70

PlasmoDB Total SNPs: 146

Non-coding: 104 | Synonymous: 31 | Nonsynonymous: 11 | Stop Codon: 0

Associated Publications

PMID Title Authors DOI/Link
10448855 The complete nucleotide sequence of chromosome 3 of Plasmodium falciparum. Bowman S, Lawson D, ..., Barrell BG 10.1038/22964
12368867 Sequence of Plasmodium falciparum chromosomes 1, 3-9 and 13. Hall N, Pain A, ..., Barrell BG 10.1038/nature01095
24747974 Targeting NAD+ metabolism in the human malaria parasite Plasmodium falciparum. O'Hara JK, Kerwin LJ, ..., Llinas M 10.1371/journal.pone.0094061