4cbn

Crystal structure of Complement Factor D mutant R202A after conventional refinement

Method: X-RAY DIFFRACTION Dmax: 84.1 Å Quality: GOOD

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 Fragment:RESIDUES 26-253 Mutation:YES GOL GLYCEROL × 1 X-RAY DIFFRACTION X-ray crystallization conditions:15% PEG 6000, 50 MM MES/NAOH, PH 6.0 Resolution 1.80 Å R-free 0.219
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 26–253 Fragment:RESIDUES 26-253 Mutation:YES GOL GLYCEROL × 2 X-RAY DIFFRACTION X-ray crystallization conditions:15% PEG 6000, 50 MM MES/NAOH, PH 6.0 Resolution 1.80 Å R-free 0.219

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 97 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

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 4cbn

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 4cbn
Download Download

2. Structure Basics 2. Structure Basics

Entry ID entry_id4cbn
Deposition date deposition_date2013-10-15
Structure title titleCrystal structure of Complement Factor D mutant R202A after conventional refinement
Keywords keywordsHYDROLASE, COMPLEMENT SYSTEM, ENSEMBLE REFINEMENT; HYDROLASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier25.10
Radius of gyration Rg (electron density) rg_electron23.88
Forward intensity I(0) i043627500.00
Molecular weight molecular_weight48912.0 kDa
Excluded volume excluded_volume60402 ų
Envelope volume envelope_volume71903 ų
Hydration-shell volume shell_volume25294 ų
Envelope diameter envelope_diameter89.8
Shell Rg shell_rg30.90
Envelope Rg envelope_rg24.06
Shape Rg shape_rg23.86
Total Rg total_rg24.72
Total atoms total_atoms3430
Residues n_residues456
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 dmax84.1
Rg (real space) rg_real25.11
Rg uncertainty (real space) rg_real_error0.57
I(0) (real space) i0_real4.3630e+07
I(0) uncertainty (real space) i0_real_error6.3790e+05
Rg (reciprocal space) rg_reciprocal25.11
I(0) (reciprocal space) i0_reciprocal43630000.0000
Solution quality estimate total_estimate0.8829
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary26.7
Skewness Skewness skewness0.334
Kurtosis Kurtosis kurtosis-0.476
Angular range angular_range— – 0.3150 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha9350000.0000
Real-space data points n_real_points64
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.857; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.924; Smooth: 0.978

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd4cbna_
Class classb — All beta proteins
Fold Fold foldb.47 — Trypsin-like serine proteases
Superfamily Superfamily superfamilyb.47.1 — Trypsin-like serine proteases
Family Family familyb.47.1.2 — Eukaryotic proteases
Domain ID domain_idd4cbnb_
Class classb — All beta proteins
Fold Fold foldb.47 — Trypsin-like serine proteases
Superfamily Superfamily superfamilyb.47.1 — Trypsin-like serine proteases
Family Family familyb.47.1.2 — Eukaryotic proteases

CATH v4.4 (4 domains)

Domain ID domain_id4cbnA01
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology10 — Thrombin, subunit H
Homologous superfamily homologous superfamily10 — Trypsin-like serine proteases
Domain ID domain_id4cbnA02
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology10 — Thrombin, subunit H
Homologous superfamily homologous superfamily10 — Trypsin-like serine proteases
Domain ID domain_id4cbnB01
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology10 — Thrombin, subunit H
Homologous superfamily homologous superfamily10 — Trypsin-like serine proteases
Domain ID domain_id4cbnB02
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology10 — Thrombin, subunit H
Homologous superfamily homologous superfamily10 — Trypsin-like serine proteases

8. Citations (1)

9. Files and Curves (10)