2p3t

Crystal structure of human factor XA complexed with 3-Chloro-4-(2-methylamino-imidazol-1-ylmethyl)-thiophene-2-carboxylic acid [4-chloro-2-(5-chloro-pyridin-2-ylcarbamoyl)-6-methoxy-phenyl]-amide

Method: X-RAY DIFFRACTION Dmax: 65.8 Å Quality: GOOD

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

Coagulation factor X

OrganismNot specified

UniProt P00742

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 homooligomer Homooligomer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 127–178 Chain B; UniProt 235–467 Fragment:EGF-like 2 domain Fragment:CATALYTIC DOMAIN CA CALCIUM ION × 1 CL CHLORIDE ION × 1 993 3-CHLORO-4-(2-METHYLAMINO-IMIDAZOL-1-YLMETHYL)-THIOPHENE-2-CARBOXYLIC ACID [4-CHLORO-2-(5-CHLORO-PYRIDIN-2-YLCARBAMOYL)-6-METHOXY-PHENYL]-AMIDE × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.5;295 K;A three-fold excess of the inhibitor was added to the DES-GLA-FACTOR XA. the protein was then concentrated to 12-17 MG/ML. Crystals were grown using 2 UL of complex with 2 UL of reservoir containing 15-21% PEG1500 and 10 MM CACL2, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 295K Resolution 1.92 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.

183 other PDB entries and 220 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name FA10_HUMAN
Isoform
PDB entities 1, 2
Chains and sequence ranges Author chain A; PDBConstruct 1–52; UniProt 127–178 Author chain B; PDBConstruct 1–233; UniProt 235–467

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 2p3t

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 2p3t
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2. Structure Basics 2. Structure Basics

Entry ID entry_id2p3t
Deposition date deposition_date2007-03-09
Structure title titleCrystal structure of human factor XA complexed with 3-Chloro-4-(2-methylamino-imidazol-1-ylmethyl)-thiophene-2-carboxylic acid [4-chloro-2-(5-chloro-pyridin-2-ylcarbamoyl)-6-methoxy-phenyl]-amide
Keywords keywordsprotein inhibitor complex, nonamidine, coagulation cofactor, protease, 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_guinier19.63
Radius of gyration Rg (electron density) rg_electron18.47
Forward intensity I(0) i019678600.00
Molecular weight molecular_weight32314.0 kDa
Excluded volume excluded_volume39858 ų
Envelope volume envelope_volume45928 ų
Hydration-shell volume shell_volume20415 ų
Envelope diameter envelope_diameter66.4
Shell Rg shell_rg25.27
Envelope Rg envelope_rg18.96
Shape Rg shape_rg18.44
Total Rg total_rg19.50
Total atoms total_atoms2254
Residues n_residues276
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 dmax65.8
Rg (real space) rg_real19.52
Rg uncertainty (real space) rg_real_error0.34
I(0) (real space) i0_real1.9680e+07
I(0) uncertainty (real space) i0_real_error2.3960e+05
Rg (reciprocal space) rg_reciprocal19.54
I(0) (reciprocal space) i0_reciprocal19680000.0000
Solution quality estimate total_estimate0.8734
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary25.0
Skewness Skewness skewness0.216
Kurtosis Kurtosis kurtosis-0.313
Angular range angular_range— – 0.4050 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha6927000.0000
Real-space data points n_real_points72
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.801; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.996; Smooth: 0.951

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (6)

7. Fold Classification (SCOP + CATH) 5 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd2p3ta_
Class classg — Small proteins
Fold Fold foldg.3 — Knottins (small inhibitors, toxins, lectins)
Superfamily Superfamily superfamilyg.3.11 — EGF/Laminin
Family Family familyg.3.11.1 — EGF-type module
Domain ID domain_idd2p3tb_
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 (3 domains)

Domain ID domain_id2p3tA00
Class class2 — Mainly Beta
Architecture architecture10 — Ribbon
Topology topology25 — Laminin
Homologous superfamily homologous superfamily10 — Laminin
Domain ID domain_id2p3tB01
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology10 — Thrombin, subunit H
Homologous superfamily homologous superfamily10 — Trypsin-like serine proteases
Domain ID domain_id2p3tB02
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology10 — Thrombin, subunit H
Homologous superfamily homologous superfamily10 — Trypsin-like serine proteases

8. Citations (7)

9. Files and Curves (10)