About Gene List

PF3D7_0928900 (GK)

Genome location: Pf3D7_09_v3:1,159,487..1,160,762(+)

Genome classification: Core

Function and Localization

Product Description: guanylate kinase

SignalP Peptide: N/A

# Transmembrane Domains: 0

EC Numbers: 2.7.4.8 (Guanylate kinase)

Curated GO (PlasmoDB):

Type GO Term Name
Component GO:0005829 cytosol
Function GO:0004385 guanylate kinase activity
Process GO:0006186 dGDP phosphorylation

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 not expressed 0.09 0.95
Trophozoite possibly expressed 0.23 0.86
Schizont not expressed 0.03 0.98
Gametocyte not expressed 0.12 0.93

More info:

Resistome Mutations

Old (Pf3D7v3) Gene ID: PF3D7_0928900

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: 0.228 | MFS: -3.401 | #Insertions: 0

PlasmoGEM Phenotype: Slow (Pb ortholog: PBANKA_0829700)

  • Relative Growth Rate: 0.44 ± 0.15
  • Confidence: 5.20

RMgmDB ABS Phenotype: Different from wild type (Pb ortholog: PBANKA_0829700)

Modification: Disrupted | RMgm-2438

More info: PhenoPlasm Link

Binding Evidence

AlphaFill Uniprot ID: Q8I2M1

"Best" AlphaFill ligand hit: ADP (adenosine-5'-diphosphate, Local RMSD=0.10) with 8EGL (Global RMSD=1.96)

BRENDA EC Inhibitors:

EC # Name EC Inhibitors
2.7.4.8 guanylate kinase ATPAMPGTPGDPCMPUMPGMPEDTAPMSFdCMPdAMPdGMP...

No evidence of orthology to BindingDB entries

Orthology Information

Ortholog Group (OrthoMCL): OG6_100603

Most Similar Human Ortholog: Q16774

TM-align score: 0.91 | RMSD: 1.69

Seq Identity: 0.36 | Length: 193 / 199

All Human Orthologs (OrthoMCL):

Gene ID Description
ENSG00000143774 guanylate kinase 1

Genetic Variation

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

Homozygous genotype calls only

variant type common rare doubleton singleton
synonymous 4 9 5 16
disruptive 1 0 2 14
missense 1 0 2 13

Any inclusion in genotype call

variant type common rare doubleton singleton
synonymous 5 22 8 13
disruptive 1 13 17 37
missense 1 7 14 28

PlasmoDB Total SNPs: 117

Non-coding: 104 | Synonymous: 9 | Nonsynonymous: 4 | Stop Codon: 0

Protein Information

Protein Length: 199 | Molecular Weight (kDa): 23.515

UniProt ID(s): Q8I2M1

PDB ID(s): 1Z6G

Isoelectric Point: 8.57

Protein Domain Annotations:

Source Family ID Description
InterPro IPR008145 Guanylate kinase/L-type calcium channel beta subunit
InterPro IPR017665 Guanylate kinase
InterPro IPR020590 Guanylate kinase, conserved site
InterPro IPR027417 P-loop containing nucleoside triphosphate hydrolase
PFam PF00625 Guanylate kinase/L-type calcium channel beta subunit
Superfamily SSF52540 P-loop containing nucleoside triphosphate hydrolase

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
18374996 Molecular cloning, expression, characterization and mutation of Plasmodiumfalciparum guanylate kinase. Kandeel M, Nakanishi M, ..., Kitade Y 10.1016/j.molbiopara.2008.02.004