8dea

Scaffold Hopping via Ring Opening Enables Identification of Acyclic Compounds as New Complement Factor D Inhibitors

Method: X-RAY DIFFRACTION Dmax: 98.3 Å Quality: EXCELLENT

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

Complement factor D

Homo sapiens

UniProt P00746

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 monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 26–253 Not recorded R7X 1-[(3-acetylphenyl)acetyl]-N-(6-bromopyridin-2-yl)-L-prolinamide × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 5.8;293 K;peg4k 25% , 0.1M MES 5.8 buffer Resolution 2.21 Å R-free 0.300
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 26–253 Not recorded R7X 1-[(3-acetylphenyl)acetyl]-N-(6-bromopyridin-2-yl)-L-prolinamide × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 5.8;293 K;peg4k 25% , 0.1M MES 5.8 buffer Resolution 2.21 Å R-free 0.300
3 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain C; UniProt 26–253 Not recorded R7X 1-[(3-acetylphenyl)acetyl]-N-(6-bromopyridin-2-yl)-L-prolinamide × 1 GOL GLYCEROL × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 5.8;293 K;peg4k 25% , 0.1M MES 5.8 buffer Resolution 2.21 Å R-free 0.300
4 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain D; UniProt 26–253 Not recorded R7X 1-[(3-acetylphenyl)acetyl]-N-(6-bromopyridin-2-yl)-L-prolinamide × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 5.8;293 K;peg4k 25% , 0.1M MES 5.8 buffer Resolution 2.21 Å R-free 0.300

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.

39 other PDB entries and 95 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name CFAD_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–228; UniProt 26–253 Author chain B; PDBConstruct 1–228; UniProt 26–253 Author chain C; PDBConstruct 1–228; UniProt 26–253 Author chain D; PDBConstruct 1–228; UniProt 26–253

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 8dea

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 8dea
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2. Structure Basics 2. Structure Basics

Entry ID entry_id8dea
Deposition date deposition_date2022-06-20
Structure title titleScaffold Hopping via Ring Opening Enables Identification of Acyclic Compounds as New Complement Factor D Inhibitors
Keywords keywordsserine protease inhibitor complex, HYDROLASE, HYDROLASE-HYDROLASE INHIBITOR complex; HYDROLASE/HYDROLASE INHIBITOR
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier31.99
Radius of gyration Rg (electron density) rg_electron31.26
Forward intensity I(0) i0151172000.00
Molecular weight molecular_weight94359.0 kDa
Excluded volume excluded_volume116810 ų
Envelope volume envelope_volume149880 ų
Hydration-shell volume shell_volume39761 ų
Envelope diameter envelope_diameter100.2
Shell Rg shell_rg38.61
Envelope Rg envelope_rg30.68
Shape Rg shape_rg31.27
Total Rg total_rg31.83
Total atoms total_atoms6604
Residues n_residues868
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 dmax98.3
Rg (real space) rg_real31.79
Rg uncertainty (real space) rg_real_error0.77
I(0) (real space) i0_real1.5120e+08
I(0) uncertainty (real space) i0_real_error2.1670e+06
Rg (reciprocal space) rg_reciprocal31.87
I(0) (reciprocal space) i0_reciprocal151200000.0000
Solution quality estimate total_estimate0.9008
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary47.2
Skewness Skewness skewness0.046
Kurtosis Kurtosis kurtosis-0.625
Angular range angular_range— – 0.2500 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha48890000.0000
Real-space data points n_real_points51
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.927; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.996; Smooth: 0.929

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

8. Citations (1)

9. Files and Curves (10)