About Gene List

PF3D7_0306800 (CCT2)

Genome location: Pf3D7_03_v3:305,320..308,017(-)

Genome classification: Core

Function and Localization

Product Description: T-complex protein 1 subunit beta

SignalP Peptide: N/A

# Transmembrane Domains: 0

EC Numbers: None

Curated GO (PlasmoDB):

Type GO Term Name
Component GO:0005832 chaperonin-containing T-complex
Component GO:0005829 cytosol
Component GO:0005634 nucleus
Function GO:0051082 unfolded protein binding
Process GO:0006457 protein folding

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

Stage LR class MCA mean MCA prop. zeros
Sporozoite possibly expressed N/A N/A
Ring expressed 0.89 0.62
Trophozoite expressed 1.37 0.38
Schizont expressed 0.15 0.91
Gametocyte expressed 0.73 0.62

More info:

Resistome Mutations

Old (Pf3D7v3) Gene ID: PF3D7_0306800

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: 0.191 | MFS: -2.7 | #Insertions: 0

PlasmoGEM Phenotype: Essential (Pb ortholog: PBANKA_0405200)

  • Relative Growth Rate: 0.15 ± 0.23
  • Confidence: 4.35

RMgmDB ABS Phenotype: N/A

More info: PhenoPlasm Link

Binding Evidence

AlphaFill Uniprot ID: O97247

"Best" AlphaFill ligand hit: ANP (phosphoaminophosphonic acid-adenylate ester, Local RMSD=0.74) with 1Q3Q (Global RMSD=2.16)

No associated EC numbers

No evidence of orthology to BindingDB entries

Orthology Information

Ortholog Group (OrthoMCL): OG6_101721

Most Similar Human Ortholog: P78371

TM-align score: 0.98 | RMSD: 1.20

Seq Identity: 0.57 | Length: 528 / 533

All Human Orthologs (OrthoMCL):

Gene ID Description
ENSG00000166226 chaperonin containing TCP1 subunit 2

Genetic Variation

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

Homozygous genotype calls only

variant type common rare doubleton singleton
synonymous 7 21 24 33
disruptive 2 9 9 35
missense 2 8 9 34

Any inclusion in genotype call

variant type common rare doubleton singleton
synonymous 10 69 18 32
disruptive 3 28 17 84
missense 2 25 15 66

PlasmoDB Total SNPs: 105

Non-coding: 85 | Synonymous: 15 | Nonsynonymous: 5 | Stop Codon: 0

Protein Information

Protein Length: 533 | Molecular Weight (kDa): 59.199

UniProt ID(s): O97247

PDB ID(s): None

Isoelectric Point: 5.43

Protein Domain Annotations:

Source Family ID Description
InterPro IPR002194 Chaperonin TCP-1, conserved site
InterPro IPR002423 Chaperonin Cpn60/TCP-1 family
InterPro IPR012716 T-complex protein 1, beta subunit
InterPro IPR017998 Chaperone tailless complex polypeptide 1 (TCP-1)
InterPro IPR027409 GroEL-like apical domain superfamily
InterPro IPR027410 TCP-1-like chaperonin intermediate domain superfamily
InterPro IPR027413 GroEL-like equatorial domain superfamily
PFam PF00118 Chaperonin Cpn60/TCP-1 family
Superfamily SSF48592 GroEL-like equatorial domain superfamily
Superfamily SSF52029 GroEL-like apical domain superfamily
Superfamily SSF54849 TCP-1-like chaperonin intermediate domain superfamily

Associated Publications

PMID Title Authors DOI/Link
10448855 The complete nucleotide sequence of chromosome 3 of Plasmodium falciparum. Bowman S, Lawson D, ..., Barrell BG 10.1038/22964
12368867 Sequence of Plasmodium falciparum chromosomes 1, 3-9 and 13. Hall N, Pain A, ..., Barrell BG 10.1038/nature01095
16267556 A protein interaction network of the malaria parasite Plasmodium falciparum. LaCount DJ, Vignali M, ..., Hughes RE 10.1038/nature04104
23181666 Organellar proteomics reveals hundreds of novel nuclear proteins in the malariaparasite Plasmodium falciparum. Oehring SC, Woodcroft BJ, ..., Voss TS 10.1186/gb-2012-13-11-r108
25615740 New Export Pathway in Plasmodium falciparum-Infected Erythrocytes: Role of theParasite Group II Chaperonin, PfTRiC. Mbengue A, Vialla E, ..., Braun-Breton C 10.1111/tra.12266
28067475 The chaperonin T RiC forms an oligomeric complex in the malaria parasite cytosol Spillman NJ, Beck JR, ..., Goldberg DE 10.1111/cmi.12719
30379851 Identification of Plasmodium falciparum nuclear proteins by mass spectrometry andproposed protein annotation. Briquet S, Ourimi A, ..., Vaquero C 10.1371/journal.pone.0205596
37730860 Author Correction: Reduced ADP off-rate by the yeast CCT2 double mutationT394P/R510H which causes Leber congenital amaurosis in humans Roy M, Fleisher RC, Alexandrov AI, Horovitz A 10.1038/s42003-023-05357-1
37644231 Reduced ADP off-rate by the yeast CCT2 double mutation T394P/R510H which causesLeber congenital amaurosis in humans Roy M, Fleisher RC, Alexandrov AI, Horovitz A 10.1038/s42003-023-05261-8