About Gene List

PF3D7_0511700 (CGI121)

Genome location: Pf3D7_05_v3:518,405..520,655(+)

Genome classification: Core

Function and Localization

Product Description: EKC/KEOPS complex subunit CGI121

SignalP Peptide: N/A

# Transmembrane Domains: 0

EC Numbers: None

Curated GO (PlasmoDB):

Type GO Term Name
Component GO:0000408 EKC/KEOPS complex
Component GO:0005737 cytoplasm
Function GO:0005515 protein binding

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 0.05 0.97
Trophozoite expressed 0.06 0.96
Schizont expressed 0.09 0.94
Gametocyte not expressed 0.03 0.98

More info:

Resistome Mutations

Old (Pf3D7v3) Gene ID: PF3D7_0511700

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: 0.123 | MFS: -3.581 | #Insertions: 0

PlasmoGEM Phenotype: N/A

RMgmDB ABS Phenotype: N/A

More info: PhenoPlasm Link

Binding Evidence

AlphaFill Uniprot ID: Q8I3Y9

"Best" AlphaFill ligand hit: TBR (dodecabromohexatantalum, Local RMSD=0.82) with 3ENH (Global RMSD=4.56)

No associated EC numbers

No evidence of orthology to BindingDB entries

Orthology Information

Ortholog Group (OrthoMCL): OG6_103892

Most Similar Human Ortholog: Q9Y3C4

TM-align score: 0.83 | RMSD: 2.38

Seq Identity: 0.25 | Length: 167 / 179

All Human Orthologs (OrthoMCL):

Gene ID Description
ENSG00000144034 TP53RK binding protein

Genetic Variation

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

No passing variants found

PlasmoDB Total SNPs: 135

Non-coding: 128 | Synonymous: 3 | Nonsynonymous: 4 | Stop Codon: 0

Protein Information

Protein Length: 179 | Molecular Weight (kDa): 21.065

UniProt ID(s): Q8I3Y9

PDB ID(s): None

Isoelectric Point: 6.91

Protein Domain Annotations:

Source Family ID Description
InterPro IPR013926 CGI121/TPRKB
InterPro IPR036504 CGI121/TPRKB superfamily
PFam PF08617 CGI121/TPRKB
Superfamily SSF143870 CGI121/TPRKB superfamily

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
25204654 Kinase-associated endopeptidase 1 (Kae1) participates in an atypicalribosome-associated complex in the apicoplast of Plasmodium falciparum. Mallari JP, Oksman A, Vaupel B, Goldberg DE 10.1074/jbc.M114.586735
27903914 Proteomic analysis of the human KEOPS complex identifies C14ORF142 as a coresubunit homologous to yeast Gon7 Wan LC, Maisonneuve P, ..., Sicheri F 10.1093/nar/gkw1181
23945934 Functional assignment of KEOPS/EKC complex subunits in the biosynthesis of theuniversal t6A tRNA modification Perrochia L, Guetta D, ..., Basta T 10.1093/nar/gkt720
29804714 Yeast KEOPS complex regulates telomere length independently of its t(6)Amodification function Liu YY, He MH, ..., Zhou JQ 10.1016/j.jgg.2018.03.004
38085018 Sua5 catalyzing universal t(6)A tRNA modification is responsible for multifaceted functions of the KEOPS complex in Cryptococcus neoformans Choi Y, Hyeon H, Lee K, Bahn Y-S 10.1128/msphere.00557-23
33277478 A substrate binding model for the KEOPS tRNA modifying complex Beenstock J, Ona SM, ..., Sicheri F 10.1038/s41467-020-19990-5
36416748 Kae1 of Saccharomyces cerevisiae KEOPS complex possesses ADP/GDP nucleotidaseactivity Li QX, Liu JC, He MH, Zhou JQ 10.1042/BCJ20220290
25735745 Crystal structures of the Gon7/Pcc1 and Bud32/Cgi121 complexes provide a modelfor the complete yeast KEOPS complex Zhang W, Collinet B, ..., van Tilbeurgh H 10.1093/nar/gkv155
23823807 The Drosophila EKC/KEOPS complex: roles in protein synthesis homeostasis and animal growth Rojas-Benitez D, Ibar C, Glavic A 10.4161/fly.25227
23620299 Reconstitution and characterization of eukaryotic N6-threonylcarbamoylation oftRNA using a minimal enzyme system Wan LC, Mao DY, ..., Sicheri F 10.1093/nar/gkt322
22927945 A genetic investigation of the KEOPS complex in halophilic Archaea Naor A, Thiaville PC, ..., Gophna U 10.1371/journal.pone.0043013
18951093 Atomic structure of the KEOPS complex: an ancient protein kinase-containingmolecular machine Mao DY, Neculai D, ..., Sicheri F 10.1016/j.molcel.2008.10.002
36377896 Unraveling the Pathobiological Role of the Fungal KEOPS Complex in Cryptococcusneoformans Choi Y, Jeong E, ..., Bahn YS 10.1128/mbio.02944-22
33681985 Reciprocal hemizygosity analysis reveals that the Saccharomyces cerevisiae CGI121gene affects lag time duration in synthetic grape must Li R, Deed RC 10.1093/g3journal/jkab061