6bb4

Fab/epitope complex of mouse monoclonal antibody C5.2 targeting a phospho-tau epitope.

Method: X-RAY DIFFRACTION Dmax: 136.2 Å Quality: GOOD

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

Microtubule-associated protein tau

OrganismNot specified

UniProt P10636

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 P; UniProt 703–725 Non-standard monomer:Yes (specific site not provided by mmCIF) Mouse monoclonal antibody C5.2 Fab light chain × 1 Mouse monoclonal antibody C5.2 Fab heavy chain × 1 PO4 PHOSPHATE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;277 K;25.5% polyethylene glycol 4000, 0.17 M ammonium sulfate, 15% glycerol Resolution 2.10 Å R-free 0.270
2 Protein heterocomplex Heteromer Protein × 3 PDB declaration: trimeric(3) Consistent with protein copy count Chain Q; UniProt 703–725 Non-standard monomer:Yes (specific site not provided by mmCIF) Mouse monoclonal antibody C5.2 Fab light chain × 1 Mouse monoclonal antibody C5.2 Fab heavy chain × 1 PO4 PHOSPHATE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;277 K;25.5% polyethylene glycol 4000, 0.17 M ammonium sulfate, 15% glycerol Resolution 2.10 Å R-free 0.270
3 Protein heterocomplex Heteromer Protein × 3 PDB declaration: trimeric(3) Consistent with protein copy count Chain R; UniProt 703–725 Non-standard monomer:Yes (specific site not provided by mmCIF) Mouse monoclonal antibody C5.2 Fab light chain × 1 Mouse monoclonal antibody C5.2 Fab heavy chain × 1 PO4 PHOSPHATE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;277 K;25.5% polyethylene glycol 4000, 0.17 M ammonium sulfate, 15% glycerol Resolution 2.10 Å R-free 0.270

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.

248 other PDB entries and 268 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name TAU_HUMAN
Isoform
PDB entities 3
Chains and sequence ranges Author chain P; PDBConstruct 1–23; UniProt 703–725 Author chain Q; PDBConstruct 1–23; UniProt 703–725 Author chain R; PDBConstruct 1–23; UniProt 703–725

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 6bb4

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 6bb4
Download Download

2. Structure Basics 2. Structure Basics

Entry ID entry_id6bb4
Deposition date deposition_date2017-10-16
Structure title titleFab/epitope complex of mouse monoclonal antibody C5.2 targeting a phospho-tau epitope.
Keywords keywordsmonoclonal antibody, fab, tau, phosphorylation state -specific antibody, 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_guinier45.03
Radius of gyration Rg (electron density) rg_electron44.66
Forward intensity I(0) i0314085000.00
Molecular weight molecular_weight142660.0 kDa
Excluded volume excluded_volume177080 ų
Envelope volume envelope_volume264240 ų
Hydration-shell volume shell_volume49527 ų
Envelope diameter envelope_diameter143.3
Shell Rg shell_rg49.58
Envelope Rg envelope_rg43.16
Shape Rg shape_rg44.65
Total Rg total_rg44.92
Total atoms total_atoms10020
Residues n_residues1287
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 dmax136.2
Rg (real space) rg_real45.00
Rg uncertainty (real space) rg_real_error1.01
I(0) (real space) i0_real3.1410e+08
I(0) uncertainty (real space) i0_real_error5.0510e+06
Rg (reciprocal space) rg_reciprocal45.03
I(0) (reciprocal space) i0_reciprocal314100000.0000
Solution quality estimate total_estimate0.8539
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary66.1
Skewness Skewness skewness0.124
Kurtosis Kurtosis kurtosis-0.800
Angular range angular_range— – 0.1750 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha17010000.0000
Real-space data points n_real_points36
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.986; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.969; Smooth: 0.168

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

7. Fold Classification (SCOP + CATH) 9 domains

CATH v4.4 (9 domains)

Domain ID domain_id6bb4H02
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id6bb4I02
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id6bb4J02
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id6bb4L01
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id6bb4L02
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id6bb4M01
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id6bb4M02
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id6bb4N01
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id6bb4N02
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins

8. Citations (1)

9. Files and Curves (10)