9nl0

Crystal structure of Fab MAM01 in complex with NPNA3 peptide from circumsporozoite protein

Method: X-RAY DIFFRACTION Dmax: 80.5 Å Quality: EXCELLENT

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

Circumsporozoite protein

Plasmodium falciparum 3D7

UniProt Q7K740

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 131–142 Not recorded Heavy Chain of Fab MAM01 × 1 Light Chain of Fab MAM01 × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;293.15 K;0.1 M Bicine pH 9.0 and 65% (v/v) 2-methyl-2,4-pentanediol Resolution 1.54 Å R-free 0.202

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.

30 other PDB entries and 49 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name CSP_PLAF7
Isoform
PDB entities 2
Chains and sequence ranges Author chain A; PDBConstruct 1–12; UniProt 131–142

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 9nl0

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 9nl0
Download Download

2. Structure Basics 2. Structure Basics

Entry ID entry_id9nl0
Deposition date deposition_date2025-03-02
最后修订 last_revision2026-03-04
Structure title titleCrystal structure of Fab MAM01 in complex with NPNA3 peptide from circumsporozoite protein
Keywords keywordsEngineered antibody for Malaria, IMMUNE SYSTEM; IMMUNE SYSTEM
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier25.18
Radius of gyration Rg (electron density) rg_electron24.13
Forward intensity I(0) i040422600.00
Molecular weight molecular_weight48302.0 kDa
Excluded volume excluded_volume59995 ų
Envelope volume envelope_volume72439 ų
Hydration-shell volume shell_volume25175 ų
Envelope diameter envelope_diameter83.5
Shell Rg shell_rg31.21
Envelope Rg envelope_rg23.92
Shape Rg shape_rg24.12
Total Rg total_rg24.97
Total atoms total_atoms3400
Residues n_residues437
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 dmax80.5
Rg (real space) rg_real25.16
Rg uncertainty (real space) rg_real_error0.55
I(0) (real space) i0_real4.0420e+07
I(0) uncertainty (real space) i0_real_error5.6650e+05
Rg (reciprocal space) rg_reciprocal25.17
I(0) (reciprocal space) i0_reciprocal40420000.0000
Solution quality estimate total_estimate0.9049
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary28.1
Skewness Skewness skewness0.267
Kurtosis Kurtosis kurtosis-0.527
Angular range angular_range— – 0.3150 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha6840000.0000
Real-space data points n_real_points64
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.938; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.977; Smooth: 0.969

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

8. Citations (1)

9. Files and Curves (10)