About Gene List

PF3D7_0922900 (FabG)

Genome location: Pf3D7_09_v3:936,724..938,572(-)

Genome classification: Core

Function and Localization

Product Description: 3-oxoacyl-[acyl-carrier-protein] reductase

SignalP Peptide: MSVLHRFYLFFLFTKFFHC

# Transmembrane Domains: 0

EC Numbers: 1.1.1.100 (3-oxoacyl-[acyl-carrier-protein] reductase)

Curated GO (PlasmoDB):

Type GO Term Name
Component GO:0020011 apicoplast
Function GO:0070402 NADPH binding
Function GO:0003723 RNA binding
Function GO:0018454 acetoacetyl-CoA reductase activity
Function GO:0016616 oxidoreductase activity, acting on the CH-OH group of donors, NAD or NADP as acceptor
Process GO:0055114 oxidation-reduction process

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

Stage LR class MCA mean MCA prop. zeros
Sporozoite expressed N/A N/A
Ring not expressed 0.02 0.99
Trophozoite possibly expressed 0.02 0.99
Schizont possibly expressed 0.00 1.00
Gametocyte expressed 0.31 0.81

More info:

Resistome Mutations

Old (Pf3D7v3) Gene ID: PF3D7_0922900

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: 0.919 | MFS: -2.588 | #Insertions: 1

PlasmoGEM Phenotype: Dispensable (Pb ortholog: PBANKA_0823800)

  • Relative Growth Rate: 0.96 ± 0.08
  • Confidence: 6.56

RMgmDB ABS Phenotype: Not different from wild type (Pb ortholog: PBANKA_0823800)

Modification: Disrupted | RMgm-4608

More info: PhenoPlasm Link

Binding Evidence

AlphaFill Uniprot ID: Q8I2S7

"Best" AlphaFill ligand hit: NAP (nadp nicotinamide-adenine-dinucleotide phosphate, Local RMSD=0.06) with 4CQM (Global RMSD=1.43)

BRENDA EC Inhibitors:

EC # Name EC Inhibitors
1.1.1.100 3-oxoacyl-[acyl-carrier-protein] reductase RNAiNADP+quercetinbithionolkaempferolresveratrolTannic acidtachyplesinPhenylglyoxalanthecotulideHexachlorophenebromochlorophen...

Orthology to BindingDB Entries:

UniProt Protein Name Species Homology Source BindingDB Ligands
Q8I2S7 3-oxoacyl-[acyl-carrier-protein] reductase Plasmodium falciparum (isolate 3D7) HOGENOM, OMA, OrthoDB, OrthoMCL, OrthoMCL BLAST Epigallocatechin 3-gallate
Q581W1 Pteridine reductase, putative OrthoDB MethotrexateCHEMBL1232702CHEMBL1232399CHEMBL2178602...
Q965D6 3-oxoacyl-acyl-carrier protein reductase Plasmodium falciparum OrthoMCL BLAST CHEMBL1269411Epicatechin-3-O-gallateCHEMBL129451acs.jmedchem.1c00409_ST.600...

Orthology Information

Ortholog Group (OrthoMCL): OG6_100272

Most Similar Human Ortholog: Q8N4T8

TM-align score: 0.95 | RMSD: 1.27

Seq Identity: 0.38 | Length: 235 / 301

All Human Orthologs (OrthoMCL):

Gene ID Description
ENSG00000112474 hydroxysteroid 17-beta dehydrogenase 8
ENSG00000145439 carbonyl reductase 4
ENSG00000204228 hydroxysteroid 17-beta dehydrogenase 8
ENSG00000225312 hydroxysteroid 17-beta dehydrogenase 8
ENSG00000228357 hydroxysteroid 17-beta dehydrogenase 8
ENSG00000228712 hydroxysteroid 17-beta dehydrogenase 8
ENSG00000232357 hydroxysteroid 17-beta dehydrogenase 8

Protein Information

Protein Length: 301 | Molecular Weight (kDa): 33.347

UniProt ID(s): Q8I2S7, Q965D6

PDB ID(s): 2C07

Isoelectric Point: 9.7

Protein Domain Annotations:

Source Family ID Description
InterPro IPR002347 Short-chain dehydrogenase/reductase SDR
InterPro IPR011284 3-oxoacyl-(acyl-carrier-protein) reductase
InterPro IPR020904 Short-chain dehydrogenase/reductase, conserved site
InterPro IPR036291 NAD(P)-binding domain superfamily
PFam PF13561 N/A
Superfamily SSF51735 NAD(P)-binding domain superfamily

Genetic Variation

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

Homozygous genotype calls only

variant type common rare doubleton singleton
synonymous 3 16 5 26
disruptive 1 24 13 40
missense 1 24 13 40

Any inclusion in genotype call

variant type common rare doubleton singleton
synonymous 5 21 12 26
disruptive 5 55 35 56
missense 5 49 35 48

PlasmoDB Total SNPs: 69

Non-coding: 56 | Synonymous: 7 | Nonsynonymous: 6 | Stop Codon: 0

Associated Publications

PMID Title Authors DOI/Link
12368867 Sequence of Plasmodium falciparum chromosomes 1, 3-9 and 13. Hall N, Pain A, ..., Barrell BG 10.1038/nature01095
12646215 Functional characterization of beta-ketoacyl-ACP reductase (FabG) from Plasmodiumfalciparum. Pillai S, Rajagopal C, ..., Surolia N 10.1016/s0006-291x(03)00321-8
15939298 Production and purification of refolded recombinant Plasmodium falciparumbeta-ketoacyl-ACP reductase from inclusion bodies. Karmodiya K, Srivastav RK, Surolia N 10.1016/j.pep.2005.02.008
16225460 Kinetic, inhibition and structural studies on 3-oxoacyl-ACP reductase fromPlasmodium falciparum, a key enzyme in fatty acid biosynthesis. Wickramasinghe SR, Inglis KA, ..., Fairlamb AH 10.1042/BJ20050832
18721141 Deciphering the key residues in Plasmodium falciparum beta-ketoacyl acyl carrierprotein reductase responsible for interactions with Plasmodium falciparum acylcarrier protein. Karmodiya K, Modak R, ..., Surolia N 10.1111/j.1742-4658.2008.06608.x
24297444 Type II fatty acid biosynthesis is essential for Plasmodium falciparum sporozoitedevelopment in the midgut of Anopheles mosquitoes. van Schaijk BC, Kumar TR, ..., Vaughan AM 10.1128/EC.00264-13
30212465 Integrative proteomics and bioinformatic prediction enable a high-confidenceapicoplast proteome in malaria parasites. Boucher MJ, Ghosh S, ..., Yeh E 10.1371/journal.pbio.2005895
33906926 Functional Characterization of the m(6)A-Dependent Translational Modulator PfYTH Sinha A, Baumgarten S, ..., Scherf A 10.1128/mBio.00661-21
36216219 Heterologous expression, purification, and partial characterisation of theapicoplast protein 3-oxoacyl-[acyl-carrier-protein] reductase from Toxoplasmagondii Aygun C, Kocer S, ..., Mutlu O 10.1016/j.pep.2022.106187