6bpa

Plasmodium vivax reticulocyte binding protein 2b (PvRBP2b) bound to monoclonal antibody 3E9

Method: X-RAY DIFFRACTION Dmax: 127.2 Å Quality: GOOD

1. Protein Identity and Related Structures Protein Identity & Related Structures

Reticulocyte binding protein 2, putative

Plasmodium vivax (strain Salvador I)

UniProt A5K736

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 3 PDB declaration: trimeric(3) Consistent with protein copy count Chain A; UniProt 15–316 Not recorded Monoclonal antibody 3E9 Fab heavy chain × 1 Monoclonal antibody 3E9 Fab light chain × 1 BR BROMIDE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 5.5;295 K;0.2 M KBr, 15% (w/v) PEG 4,000 and 0.05 M sodium citrate/citric acid Resolution 2.53 Å R-free 0.225
2 Protein heterocomplex Heteromer Protein × 3 PDB declaration: trimeric(3) Consistent with protein copy count Chain D; UniProt 15–316 Not recorded Monoclonal antibody 3E9 Fab heavy chain × 1 Monoclonal antibody 3E9 Fab light chain × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 5.5;295 K;0.2 M KBr, 15% (w/v) PEG 4,000 and 0.05 M sodium citrate/citric acid Resolution 2.53 Å R-free 0.225

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

14 other PDB entries and 35 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name A5K736_PLAVS
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 6–307; UniProt 15–316 Author chain D; PDBConstruct 6–307; UniProt 15–316

The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.

SAXS scattering curve SAXS Profile

SAXS profile for 6bpa

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 6bpa
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2. Structure Basics 2. Structure Basics

Entry ID entry_id6bpa
Deposition date deposition_date2017-11-22
Structure title titlePlasmodium vivax reticulocyte binding protein 2b (PvRBP2b) bound to monoclonal antibody 3E9
Keywords keywordsPlasmodium vivax, invasion, malaria, antibody complex, CELL INVASION; CELL INVASION
Experimental Method methodX-RAY DIFFRACTION

3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

Radius of gyration Rg (Guinier) rg_guinier42.73
Radius of gyration Rg (electron density) rg_electron42.27
Forward intensity I(0) i0396185000.00
Molecular weight molecular_weight163520.0 kDa
Excluded volume excluded_volume204840 ų
Envelope volume envelope_volume285470 ų
Hydration-shell volume shell_volume57980 ų
Envelope diameter envelope_diameter127.0
Shell Rg shell_rg46.07
Envelope Rg envelope_rg41.26
Shape Rg shape_rg42.23
Total Rg total_rg42.62
Total atoms total_atoms11517
Residues n_residues1448
Spherical-harmonic order n_harmonics20
q range q_range— – 0.5000 −1
Data points n_points101
Shell type shell_typedirectional
Solvent electron density solvent_density0.3340 e/ų
Shell contrast contrast_shell0.0300 e/ų
CRYSOL version crysol_version4.1.3

4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

Maximum dimension Dmax dmax127.2
Rg (real space) rg_real42.58
Rg uncertainty (real space) rg_real_error0.87
I(0) (real space) i0_real3.9620e+08
I(0) uncertainty (real space) i0_real_error7.3990e+06
Rg (reciprocal space) rg_reciprocal42.73
I(0) (reciprocal space) i0_reciprocal396200000.0000
Solution quality estimate total_estimate0.8902
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary48.1
Skewness Skewness skewness0.078
Kurtosis Kurtosis kurtosis-0.782
Angular range angular_range— – 0.1850 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha18070000.0000
Real-space data points n_real_points38
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.982; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 1.000; Smooth: 0.624

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

7. Fold Classification (SCOP + CATH) 12 domains

SCOP 2.08 (6 domains)

Domain ID domain_idd6bpab_
Class classb — All beta proteins
Fold Fold foldb.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamilyb.1.1 — Immunoglobulin
Family Family familyb.1.1.1 — V set domains (antibody variable domain-like)
Domain ID domain_idd6bpac1
Class classb — All beta proteins
Fold Fold foldb.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamilyb.1.1 — Immunoglobulin
Family Family familyb.1.1.0 — automated matches
Domain ID domain_idd6bpac2
Class classb — All beta proteins
Fold Fold foldb.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamilyb.1.1 — Immunoglobulin
Family Family familyb.1.1.0 — automated matches
Domain ID domain_idd6bpae_
Class classb — All beta proteins
Fold Fold foldb.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamilyb.1.1 — Immunoglobulin
Family Family familyb.1.1.1 — V set domains (antibody variable domain-like)
Domain ID domain_idd6bpaf1
Class classb — All beta proteins
Fold Fold foldb.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamilyb.1.1 — Immunoglobulin
Family Family familyb.1.1.0 — automated matches
Domain ID domain_idd6bpaf2
Class classb — All beta proteins
Fold Fold foldb.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamilyb.1.1 — Immunoglobulin
Family Family familyb.1.1.0 — automated matches

CATH v4.4 (6 domains)

Domain ID domain_id6bpaB02
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id6bpaC01
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id6bpaC02
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id6bpaE02
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id6bpaF01
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id6bpaF02
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins

8. Citations (1)

9. Files and Curves (10)