1lpk

CRYSTAL STRUCTURE OF FXA IN COMPLEX WITH 125.

Method: X-RAY DIFFRACTION Dmax: 64.4 Å Quality: GOOD

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

Blood coagulation factor Xa

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 monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 46–179 Fragment:light chain No other associated polymer X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 5.7;298 K;PEG600, MES, CaCl2, pH 5.7, VAPOR DIFFUSION, HANGING DROP, temperature 298.0K Resolution 2.20 Å R-free 0.280
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 235–488 Fragment:light chain CA CALCIUM ION × 1 CBB 1-(3-CARBAMIMIDOYL-BENZYL)-1H-INDOLE-2-CARBOXYLIC ACID 3-CARBAMIMIDOYL-BENZYLESTER × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 5.7;298 K;PEG600, MES, CaCl2, pH 5.7, VAPOR DIFFUSION, HANGING DROP, temperature 298.0K Resolution 2.20 Å R-free 0.280

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 219 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 1–134; UniProt 46–179 Author chain B; PDBConstruct 1–254; UniProt 235–488

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 1lpk

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1lpk
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2. Structure Basics 2. Structure Basics

Entry ID entry_id1lpk
Deposition date deposition_date2002-05-08
Structure title titleCRYSTAL STRUCTURE OF FXA IN COMPLEX WITH 125.
Keywords keywordsProtein inhibitor complex, blood coagulation factor, serine proteinase, HYDROLASE; HYDROLASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier19.66
Radius of gyration Rg (electron density) rg_electron18.49
Forward intensity I(0) i019659900.00
Molecular weight molecular_weight32582.0 kDa
Excluded volume excluded_volume40300 ų
Envelope volume envelope_volume46277 ų
Hydration-shell volume shell_volume20528 ų
Envelope diameter envelope_diameter63.9
Shell Rg shell_rg25.43
Envelope Rg envelope_rg18.94
Shape Rg shape_rg18.45
Total Rg total_rg19.53
Total atoms total_atoms2280
Residues n_residues277
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 dmax64.4
Rg (real space) rg_real19.55
Rg uncertainty (real space) rg_real_error0.32
I(0) (real space) i0_real1.9660e+07
I(0) uncertainty (real space) i0_real_error2.4250e+05
Rg (reciprocal space) rg_reciprocal19.57
I(0) (reciprocal space) i0_reciprocal19660000.0000
Solution quality estimate total_estimate0.8865
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary24.5
Skewness Skewness skewness0.201
Kurtosis Kurtosis kurtosis-0.347
Angular range angular_range— – 0.4050 −1
Current regularization parameter α current_alpha0.0001
Highest regularization parameter α highest_alpha5845000.0000
Real-space data points n_real_points72
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.842; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 1.000; Smooth: 0.994

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

7. Fold Classification (SCOP + CATH) 5 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd1lpka_
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_idd1lpkb_
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_id1lpkA00
Class class2 — Mainly Beta
Architecture architecture10 — Ribbon
Topology topology25 — Laminin
Homologous superfamily homologous superfamily10 — Laminin
Domain ID domain_id1lpkB01
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology10 — Thrombin, subunit H
Homologous superfamily homologous superfamily10 — Trypsin-like serine proteases
Domain ID domain_id1lpkB02
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)