1xka

FACTOR XA COMPLEXED WITH A SYNTHETIC INHIBITOR FX-2212A,(2S)-(3'-AMIDINO-3-BIPHENYLYL)-5-(4-PYRIDYLAMINO)PENTANOIC ACID

Method: X-RAY DIFFRACTION Dmax: 86.6 Å Quality: REASONABLE

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 homooligomer Homooligomer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain C; UniProt 235–469 Chain L; UniProt 85–179 Fragment:PROTEOLYTIC CLEAVAGE PRODUCT, GLA DOMAIN Non-standard monomer:Yes (specific site not provided by mmCIF) Fragment:PROTEOLYTIC CLEAVAGE PRODUCT, GLA DOMAIN CA CALCIUM ION × 1 4PP (2S)-(3'-AMIDINO-3-BIPHENYL)-5-(4-PYRIDYLAMINO)PENTANOIC ACID × 1 X-RAY DIFFRACTION X-ray crystallization conditions:pH 5.5;pH 5.5 Resolution 2.30 Å R-free 0.287

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 L; PDBConstruct 1–95; UniProt 85–179 Author chain C; PDBConstruct 1–235; UniProt 235–469

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 1xka

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id1xka
Deposition date deposition_date1998-03-19
Structure title titleFACTOR XA COMPLEXED WITH A SYNTHETIC INHIBITOR FX-2212A,(2S)-(3'-AMIDINO-3-BIPHENYLYL)-5-(4-PYRIDYLAMINO)PENTANOIC ACID
Keywords keywordsBLOOD COAGULATION FACTOR, SERINE PROTEINASE, EPIDERMAL GROWTH FACTOR LIKE DOMAIN; BLOOD COAGULATION FACTOR
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier23.43
Radius of gyration Rg (electron density) rg_electron22.79
Forward intensity I(0) i025287300.00
Molecular weight molecular_weight36956.0 kDa
Excluded volume excluded_volume45517 ų
Envelope volume envelope_volume54991 ų
Hydration-shell volume shell_volume21480 ų
Envelope diameter envelope_diameter90.1
Shell Rg shell_rg27.89
Envelope Rg envelope_rg23.92
Shape Rg shape_rg22.73
Total Rg total_rg23.57
Total atoms total_atoms2580
Residues n_residues318
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 dmax86.6
Rg (real space) rg_real23.71
Rg uncertainty (real space) rg_real_error0.88
I(0) (real space) i0_real2.5290e+07
I(0) uncertainty (real space) i0_real_error3.8880e+05
Rg (reciprocal space) rg_reciprocal23.64
I(0) (reciprocal space) i0_reciprocal25290000.0000
Solution quality estimate total_estimate0.5764
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary25.3
Skewness Skewness skewness0.710
Kurtosis Kurtosis kurtosis0.164
Angular range angular_range— – 0.3400 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha4019000.0000
Real-space data points n_real_points66
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.498; Stabil: 1.000; Sysdev: 0.115; Positv: 1.000; Valcen: 0.700; Smooth: 0.949

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

7. Fold Classification (SCOP + CATH) 7 domains

SCOP 2.08 (3 domains)

Domain ID domain_idd1xkac_
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
Domain ID domain_idd1xkal1
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_idd1xkal2
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

CATH v4.4 (4 domains)

Domain ID domain_id1xkaC01
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology10 — Thrombin, subunit H
Homologous superfamily homologous superfamily10 — Trypsin-like serine proteases
Domain ID domain_id1xkaC02
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology10 — Thrombin, subunit H
Homologous superfamily homologous superfamily10 — Trypsin-like serine proteases
Domain ID domain_id1xkaL01
Class class2 — Mainly Beta
Architecture architecture10 — Ribbon
Topology topology25 — Laminin
Homologous superfamily homologous superfamily10 — Laminin
Domain ID domain_id1xkaL02
Class class2 — Mainly Beta
Architecture architecture10 — Ribbon
Topology topology25 — Laminin
Homologous superfamily homologous superfamily10 — Laminin

8. Citations (3)

9. Files and Curves (10)