About Gene List

PF3D7_1344200 (GRP170)

Genome location: Pf3D7_13_v3:1,768,122..1,772,620(+)

Genome classification: Core

Function and Localization

Product Description: endoplasmic reticulum chaperone GRP170

SignalP Peptide: MRPRFFLFLLFIIYIYNS

# Transmembrane Domains: 0

EC Numbers: None

Curated GO (PlasmoDB):

Type GO Term Name
Component GO:0020011 apicoplast
Component GO:0005783 endoplasmic reticulum
Component GO:0034663 endoplasmic reticulum chaperone complex
Function GO:0005515 protein binding
Process GO:0071456 cellular response to hypoxia
Process GO:1903298 negative regulation of hypoxia-induced intrinsic apoptotic signaling pathway
Process GO:0006950 response to stress

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

Stage LR class MCA mean MCA prop. zeros
Sporozoite no data N/A N/A
Ring no data 0.63 0.71
Trophozoite no data 0.95 0.52
Schizont no data 0.62 0.67
Gametocyte no data 0.36 0.80

More info:

Resistome Mutations

Old (Pf3D7v3) Gene ID: PF3D7_1344200

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: 0.143 | MFS: -2.839 | #Insertions: 0

PlasmoGEM Phenotype: Essential (Pb ortholog: PBANKA_1357200)

  • Relative Growth Rate: 0.24 ± 0.26
  • Confidence: 4.07

RMgmDB ABS Phenotype: N/A

More info: PhenoPlasm Link

Binding Evidence

AlphaFill Uniprot ID: C0H5H0

"Best" AlphaFill ligand hit: TMO (trimethylamine oxide, Local RMSD=0.03) with 4FL9 (Global RMSD=6.52)

No associated EC numbers

No evidence of orthology to BindingDB entries

Orthology Information

Ortholog Group (OrthoMCL): OG6_101811

Most Similar Human Ortholog: J3KSR2

TM-align score: 0.85 | RMSD: 1.07

Seq Identity: 0.03 | Length: 38 / 932

All Human Orthologs (OrthoMCL):

Gene ID Description
ENSG00000149428 hypoxia up-regulated 1
ENSG00000280682 hypoxia up-regulated 1

Genetic Variation

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

Homozygous genotype calls only

variant type common rare doubleton singleton
synonymous 4 63 36 64
disruptive 16 79 63 159
missense 12 78 60 143

Any inclusion in genotype call

variant type common rare doubleton singleton
synonymous 17 110 52 65
disruptive 38 200 103 254
missense 24 177 87 179

PlasmoDB Total SNPs: 181

Non-coding: 129 | Synonymous: 32 | Nonsynonymous: 20 | Stop Codon: 0

Protein Information

Protein Length: 932 | Molecular Weight (kDa): 108.185

UniProt ID(s): C0H5H0

PDB ID(s): None

Isoelectric Point: 5.36

Protein Domain Annotations:

Source Family ID Description
InterPro IPR013126 Heat shock protein 70 family
InterPro IPR029048 Heat shock protein 70kD, C-terminal domain superfamily
InterPro IPR043129 ATPase, nucleotide binding domain
PFam PF00012 Heat shock protein 70 family
Superfamily SSF100934 Heat shock protein 70kD, C-terminal domain superfamily
Superfamily SSF53067 ATPase, nucleotide binding domain

Associated Publications

PMID Title Authors DOI/Link
19294420 Return to sender: use of Plasmodium ER retrieval sequences to study proteintransport in the infected erythrocyte and predict putative ER protein families. Kulzer S, Gehde N, Przyborski JM 10.1007/s00436-009-1397-x
21191678 Plasmodium falciparum encodes a single cytosolic type I Hsp40 that functionallyinteracts with Hsp70 and is upregulated by heat shock. Botha M, Chiang AN, ..., Blatch GL 10.1007/s12192-010-0250-6
31087747 The endoplasmic reticulum chaperone PfGRP170 is essential for asexual developmentand is linked to stress response in malaria parasites. Kudyba HM, Cobb DW, ..., Muralidharan V 10.1111/cmi.13042
35383173 Mapping SP-C co-chaperone binding sites reveals molecular consequences ofdisease-causing mutations on protein maturation Pobre-Piza KFR, Mann MJ, Flory AR, Hendershot LM 10.1038/s41467-022-29478-z
31695116 Protective effects of seaweed supplemented diet on antioxidant and immuneresponses in European seabass (Dicentrarchus labrax) subjected to bacterial infection Peixoto MJ, Ferraz R, ..., Ozorio ROA 10.1038/s41598-019-52693-6
37905119 Loss of Grp170 results in catastrophic disruption of endoplasmic reticulum functions Mann MJ, Melendez-Suchi C, ..., Buck TM 10.19.563191
33525518 The Role of Non-Canonical Hsp70s (Hsp110/Grp170) in Cancer Chakafana G, Shonhai A 10.3390/cells10020254
36520302 Nucleotide Exchange Factors for Hsp70 Molecular Chaperones: GrpE, Hsp110/Grp170,HspBP1/Sil1, and BAG Domain Proteins Bracher A, Verghese J 10.1007/978-3-031-14740-1_1
30205291 Understanding the role of glucose regulated protein 170 (GRP170) as a nucleotideexchange factor through molecular simulations Pagare PP, Wang H, Wang XY, Zhang Y 10.1016/j.jmgm.2018.09.001
34353437 Targeting heat shock protein 90 for anti-cancer drug development Aswad A, Liu T 10.1016/bs.acr.2021.03.006
35905823 Grp94 Works Upstream of BiP in Protein Remodeling Under Heat Stress Amankwah YS, Collins P, ..., Kravats AN 10.1016/j.jmb.2022.167762