2rlq

NMR structure of CCP modules 2-3 of complement factor H

Method: SOLUTION NMR Dmax: 68.5 Å Quality: REASONABLE

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

Complement factor H

Homo sapiens

UniProt P08603

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 84–206 Fragment:residues in database 84-206 No other associated polymer SOLUTION NMR NMR measurement conditions:pH 6.2;310 K;Pressure ambient NMR sample composition:2mM [U-95% 13C; U-95% 15N] FactorH CCP2-3, 10mM potassium phosphate, 12mg/mL Pf1 phage, 50mM L-Arg, 50mM L-Glu, 90% H2O/10% D2O | 90% H2O/10% D2O NMR sample composition:3mM FactorH CCP2-3, 10mM potassium phosphate, 50mM L-Arg, 50mM L-Glu, 90% H2O/10% D2O | 90% H2O/10% D2O NMR sample composition:1mM FactorH CCP2-3, 10mM potassium phosphate, 50mM L-Arg, 50mM L-Glu, 100% D2O | 100% D2O Resolution not provided

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.

47 other PDB entries and 75 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name CFAH_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 7–129; UniProt 84–206

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 2rlq

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 2rlq
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2. Structure Basics 2. Structure Basics

Entry ID entry_id2rlq
Deposition date deposition_date2007-07-29
Structure title titleNMR structure of CCP modules 2-3 of complement factor H
Keywords keywords;Complement, Factor H, Age-related macular degeneration, Immune system, cofactor activity, Alternative splicing, Complement alternate pathway, Disease mutation, Glycoprotein, Immune response, Innate immunity, Polymorphism, Secreted, Sushi ;; IMMUNE SYSTEM
Experimental Method methodSOLUTION NMR

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

Radius of gyration Rg (Guinier) rg_guinier20.36
Radius of gyration Rg (electron density) rg_electron20.74
Forward intensity I(0) i02353590000.00
Molecular weight molecular_weight395330.0 kDa
Excluded volume excluded_volume485270 ų
Envelope volume envelope_volume28965 ų
Hydration-shell volume shell_volume13234 ų
Envelope diameter envelope_diameter75.7
Shell Rg shell_rg25.33
Envelope Rg envelope_rg21.36
Shape Rg shape_rg20.71
Total Rg total_rg20.86
Total atoms total_atoms53099
Residues n_residues3567
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 dmax68.5
Rg (real space) rg_real20.80
Rg uncertainty (real space) rg_real_error0.60
I(0) (real space) i0_real2.3540e+09
I(0) uncertainty (real space) i0_real_error2.9950e+07
Rg (reciprocal space) rg_reciprocal20.72
I(0) (reciprocal space) i0_reciprocal2353000000.0000
Solution quality estimate total_estimate0.6598
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary13.7
Skewness Skewness skewness0.606
Kurtosis Kurtosis kurtosis-0.521
Angular range angular_range— – 0.3900 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha224500.0000
Real-space data points n_real_points71
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.453; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.108; Smooth: 0.108

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (1)

7. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

Domain ID domain_id2rlqA01
Class class2 — Mainly Beta
Architecture architecture10 — Ribbon
Topology topology70 — Complement Module; domain 1
Homologous superfamily homologous superfamily10 — Complement Module, domain 1
Domain ID domain_id2rlqA02
Class class2 — Mainly Beta
Architecture architecture10 — Ribbon
Topology topology70 — Complement Module; domain 1
Homologous superfamily homologous superfamily10 — Complement Module, domain 1

8. Citations (1)

9. Files and Curves (10)