About Gene List

PF3D7_1222300 (GRP94)

Genome location: Pf3D7_12_v3:882,766..886,332(-)

Genome classification: Core

Function and Localization

Product Description: endoplasmin, putative

SignalP Peptide: MKLNNIYSFFFLFFVLCVIQENVRRVLC

# Transmembrane Domains: 0

EC Numbers: None

Curated GO (PlasmoDB):

Type GO Term Name
Component GO:0009986 cell surface
Component GO:0005783 endoplasmic reticulum
Component GO:1903561 extracellular vesicle
Component GO:0020020 food vacuole
Component GO:0005634 nucleus
Component GO:0048471 perinuclear region of cytoplasm
Function GO:0003723 RNA binding
Function GO:0051082 unfolded protein binding
Process GO:0006457 protein folding
Process GO:0009408 response to heat

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 0.53 0.76
Trophozoite expressed 1.78 0.24
Schizont expressed 0.69 0.66
Gametocyte expressed 1.91 0.22

More info:

Resistome Mutations

Old (Pf3D7v3) Gene ID: PF3D7_1222300

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: 0.148 | MFS: -2.824 | #Insertions: 0

PlasmoGEM Phenotype: Essential (Pb ortholog: PBANKA_1437300)

  • Relative Growth Rate: 0.07 ± 0.07
  • Confidence: 6.63

RMgmDB ABS Phenotype: Not tested (Pb ortholog: PBANKA_1437300)

Modification: Tagged | RMgm-1481

More info: PhenoPlasm Link

Binding Evidence

AlphaFill Uniprot ID: Q8I0V4

"Best" AlphaFill ligand hit: 2GJ (5-[2,4-dihydroxy-5-(1-methylethyl)phenyl]-n-ethyl-4-[4-(morpholin-4-ylmethyl)phenyl]isoxazole-3-carboxamide, Local RMSD=0.07) with 7K9S (Global RMSD=1.27)

No associated EC numbers

Orthology to BindingDB Entries:

UniProt Protein Name Species Homology Source BindingDB Ligands
P07901 Heat shock protein HSP 90-alpha Mus musculus HOGENOM, OrthoDB CHEMBL191786CHEMBL364456CHEMBL195869CHEMBL370247...
C4YTQ8 ATP-dependent molecular chaperone HSP82 Candida albicans HOGENOM, OrthoMCL MLS000089236MLS000034735MLS000075315MLS000027935...
P14625 Endoplasmin HOGENOM, OrthoDB CHEMBL3235333CHEMBL3235334CHEMBL3235335CHEMBL3235336...
P08238 Heat shock protein HSP 90-beta Homo sapiens HOGENOM, OrthoDB TanespimycinMicrolactone, 1VER-00063579CCT018159 analog 2...
P02829 ATP-dependent molecular chaperone HSP82 Saccharomyces cerevisiae HOGENOM, OrthoDB, OrthoMCL Purine-Based Inhibitor 11Microlactone, 1Microlactone, 1Microlactone, 15a...
Q76LV2 Heat shock protein HSP 90-alpha HOGENOM, OrthoDB US10889552, Compound 11aUS10889552, Compound 11bUS10889552, Compound 11cUS10889552, Compound 11d...
P07900 Heat shock protein HSP 90-alpha Homo sapiens HOGENOM, OrthoDB Benzisoxazole, 6Benzisoxazole, 15Benzisoxazole, 17Benzisoxazole, 18...
P46598 Heat shock protein 90 homolog HOGENOM, OrthoDB, OrthoMCL US11312722, Compound 20US11312722, Compound 21US11312722, Compound 22US11312722, Compound 23...
P41148 Endoplasmin Canis familiaris OrthoDB, OrthoMCL CHEMBL211295CHEMBL377559CHEMBL209356Tanespimycin...

Orthology Information

Ortholog Group (OrthoMCL): OG6_100204

Most Similar Human Ortholog: G3V2J8

TM-align score: 0.78 | RMSD: 2.11

Seq Identity: 0.46 | Length: 149 / 821

All Human Orthologs (OrthoMCL):

Gene ID Description
ENSG00000080824 heat shock protein 90 alpha family class A member 1
ENSG00000096384 heat shock protein 90 alpha family class B member 1
ENSG00000166598 heat shock protein 90 beta family member 1

Protein Information

Protein Length: 821 | Molecular Weight (kDa): 95.018

UniProt ID(s): Q8I0V4

PDB ID(s): 3PEH, 3PEJ

Isoelectric Point: 5.04

Protein Domain Annotations:

Source Family ID Description
InterPro IPR001404 Heat shock protein Hsp90 family
InterPro IPR003594 Histidine kinase/HSP90-like ATPase
InterPro IPR019805 Heat shock protein Hsp90, conserved site
InterPro IPR020568 Ribosomal protein S5 domain 2-type fold
InterPro IPR020575 Heat shock protein Hsp90, N-terminal
InterPro IPR036890 Histidine kinase/HSP90-like ATPase superfamily
InterPro IPR037196 HSP90, C-terminal domain
PFam PF00183 Heat shock protein Hsp90 family
PFam PF02518 Histidine kinase/HSP90-like ATPase
Superfamily SSF110942 HSP90, C-terminal domain
Superfamily SSF54211 Ribosomal protein S5 domain 2-type fold
Superfamily SSF55874 Histidine kinase/HSP90-like ATPase superfamily

Genetic Variation

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

Homozygous genotype calls only

variant type common rare doubleton singleton
synonymous 6 32 17 41
disruptive 2 16 17 55
missense 2 16 16 44

Any inclusion in genotype call

variant type common rare doubleton singleton
synonymous 11 68 34 42
disruptive 11 55 46 141
missense 3 42 36 93

PlasmoDB Total SNPs: 134

Non-coding: 112 | Synonymous: 17 | Nonsynonymous: 5 | Stop Codon: 0

Associated Publications

PMID Title Authors DOI/Link
12368864 Genome sequence of the human malaria parasite Plasmodium falciparum. Gardner MJ, Hall N, ..., Barrell B 10.1038/nature01097
16267556 A protein interaction network of the malaria parasite Plasmodium falciparum. LaCount DJ, Vignali M, ..., Hughes RE 10.1038/nature04104
21136929 Food vacuole proteome of the malarial parasite Plasmodium falciparum. Lamarque M, Tastet C, ..., Dubremetz JF 10.1002/prca.200700112
24045696 Proteomic analysis of detergent-resistant membrane microdomains in trophozoiteblood stage of the human malaria parasite Plasmodium falciparum. Yam XY, Birago C, ..., Ponzi M 10.1074/mcp.M113.029272
27128092 Interrogating the Plasmodium Sporozoite Surface: Identification ofSurface-Exposed Proteins and Demonstration of Glycosylation on CSP and TRAP byMass Spectrometry-Based Proteomics. Swearingen KE, Lindner SE, ..., Sinnis P 10.1371/journal.ppat.1005606
28944300 Proteomic analysis of extracellular vesicles from a Plasmodium falciparum Kenyanclinical isolate defines a core parasite secretome. Abdi A, Yu L, ..., Rayner J 10.12688/wellcomeopenres.11910.2
30379851 Identification of Plasmodium falciparum nuclear proteins by mass spectrometry andproposed protein annotation. Briquet S, Ourimi A, ..., Vaquero C 10.1371/journal.pone.0205596
33906926 Functional Characterization of the m(6)A-Dependent Translational Modulator PfYTH Sinha A, Baumgarten S, ..., Scherf A 10.1128/mBio.00661-21