7UFQ | pdb_00007ufq

Structure of PfCSP peptide 21 with antibody P3-43

• PDB DOI: https://doi.org/10.2210/pdb7UFQ/pdb

• Classification: IMMUNE SYSTEM
• Organism(s): Homo sapiens, Plasmodium falciparum 3D7
• Expression System: Homo sapiens
• Mutation(s): No 


• Deposited: 2022-03-23 Released: 2023-04-12 
• Deposition Author(s): Tripathi, P., Kwong, P.D.
• Funding Organization(s): National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.30 Å
• R-Value Free: 
  0.285 (Depositor), 0.280 (DCC) 
• R-Value Work: 
  0.215 (Depositor), 0.220 (DCC) 
• R-Value Observed: 
  0.219 (Depositor) 

Starting Model: experimental

Literature

Structure of PfCSP peptide 21 with antibody P3-43

Tripathi, P., Kwong, P.D.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 3-mer - A1B1C1 

Biological assembly 1 assigned by authors and generated by PISA (software)

Biological Assembly Evidence: gel filtration

Biological Assembly 2  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 3-mer - A1B1C1 

Biological assembly 2 assigned by authors and generated by PISA (software)

Macromolecule Content 

• Total Structure Weight: 100.09 kDa 
• Atom Count: 7,037 
• Modeled Residue Count: 906 
• Deposited Residue Count: 922 
• Unique protein chains: 3

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
P3-43 Fab Heavy chain	A [auth H], D [auth B]	226	Homo sapiens	Mutation(s): 0

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
PfCSP peptide 21	B [auth A], E [auth C]	15	Plasmodium falciparum 3D7	Mutation(s): 0
UniProt
Find proteins for Q7K740 (Plasmodium falciparum (isolate 3D7)) Explore Q7K740  Go to UniProtKB:  Q7K740

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
P3-43 Fab Light chain	C [auth L], F [auth D]	220	Homo sapiens	Mutation(s): 0

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
GOL	G [auth H]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.30 Å
• R-Value Free:  0.285 (Depositor), 0.280 (DCC) 
• R-Value Work:  0.215 (Depositor), 0.220 (DCC) 
• R-Value Observed: 0.219 (Depositor) 

Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 74.482	α = 90
b = 61.697	β = 103.74
c = 89.604	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
PDB_EXTRACT	data extraction
XDS	data reduction
XDS	data scaling
PHASER	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2023-04-12 
Deposition Author(s): Tripathi, P., Kwong, P.D.

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Funding Organization	Location	Grant Number
National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)	United States	--

Revision History  

• Version 1.0: 2023-04-12
  Type: Initial release
  
• Version 1.1: 2023-10-25
  Changes: Data collection, Refinement description
• Version 1.2: 2024-11-13
  Changes: Structure summary