6twc

Crystal Structure of the Catalytic Domain of the Coagulation Factor XIa in Complex with Double Bridged Peptide F21

Method: X-RAY DIFFRACTION Dmax: 58.9 Å Quality: GOOD

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

Coagulation factor XI

Homo sapiens

UniProt P03951

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 388–625 Chain H; UniProt 375–387 Not recorded Double Bridged Peptide F21 × 1 ACN ACETONE × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;291 K;200 mM (NH4)2SO4, 25% PEG4000, and 100 mM NaOAc, pH 4.6 Resolution 2.86 Å R-free 0.259

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.

113 other PDB entries and 120 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name FA11_HUMAN
Isoform
PDB entities 1, 2
Chains and sequence ranges Author chain A; PDBConstruct 1–238; UniProt 388–625 Author chain H; PDBConstruct 6–18; UniProt 375–387

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 6twc

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 6twc
Download Download

2. Structure Basics 2. Structure Basics

Entry ID entry_id6twc
Deposition date deposition_date2020-01-13
Structure title titleCrystal Structure of the Catalytic Domain of the Coagulation Factor XIa in Complex with Double Bridged Peptide F21
Keywords keywordsProtease, Coagulation factors, Inhibitor, Double bridged peptide, Phage display, BLOOD CLOTTING; BLOOD CLOTTING
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier18.25
Radius of gyration Rg (electron density) rg_electron17.04
Forward intensity I(0) i015425800.00
Molecular weight molecular_weight29171.0 kDa
Excluded volume excluded_volume36374 ų
Envelope volume envelope_volume41209 ų
Hydration-shell volume shell_volume19442 ų
Envelope diameter envelope_diameter60.3
Shell Rg shell_rg24.06
Envelope Rg envelope_rg17.45
Shape Rg shape_rg17.02
Total Rg total_rg18.14
Total atoms total_atoms2045
Residues n_residues248
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 dmax58.9
Rg (real space) rg_real18.12
Rg uncertainty (real space) rg_real_error0.32
I(0) (real space) i0_real1.5430e+07
I(0) uncertainty (real space) i0_real_error1.8270e+05
Rg (reciprocal space) rg_reciprocal18.14
I(0) (reciprocal space) i0_reciprocal15430000.0000
Solution quality estimate total_estimate0.8057
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary23.9
Skewness Skewness skewness0.119
Kurtosis Kurtosis kurtosis-0.420
Angular range angular_range— – 0.4350 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha6958000.0000
Real-space data points n_real_points75
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.828; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.987; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 1 domains

CATH v4.4 (1 domains)

Domain ID domain_id6twcA02
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)