2gd4

Crystal Structure of the Antithrombin-S195A Factor Xa-Pentasaccharide Complex

Method: X-RAY DIFFRACTION Dmax: 202.1 Å Quality: REASONABLE

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

;Coagulation factor X, Stuart factor, Stuart-Prower factor, Contains: Factor X light chain; Factor X heavy chain; Activated factor Xa heavy chain ;

Homo sapiens

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 Other combination Heteromer Protein × 3 其他Polymer 2 PDB declaration: trimeric(3) Consistent with protein copy count Chain H; UniProt 235–475 Chain L; UniProt 126–182 Fragment:Residues 126-182 Fragment:Residues 235-475 Mutation:S195A Antithrombin-III × 1 (P01008) ;alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ; × 1 ;2-deoxy-6-O-sulfo-2-(sulfoamino)-alpha-D-glucopyranose-(1-4)-beta-D-glucopyranuronic acid-(1-4)-2-deoxy-3,6-di-O-sulfo-2-(sulfoamino)-alpha-D-glucopyranose-(1-4)-2-O-sulfo-alpha-L-idopyranuronic acid-(1-4)-methyl 2-deoxy-6-O-sulfo-2-(sulfoamino)-alpha-D-glucopyranoside ; × 1 CA CALCIUM ION × 1 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.4;294 K;20% PEG 3350, 200mM Calcium Acetate, pH 7.4, VAPOR DIFFUSION, HANGING DROP, temperature 294K Resolution 3.30 Å R-free 0.298
2 Other combination Heteromer Protein × 3 其他Polymer 2 PDB declaration: trimeric(3) Consistent with protein copy count Chain A; UniProt 126–182 Chain B; UniProt 235–475 Fragment:Residues 126-182 Fragment:Residues 235-475 Mutation:S195A Antithrombin-III × 1 (P01008) 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 ;2-deoxy-6-O-sulfo-2-(sulfoamino)-alpha-D-glucopyranose-(1-4)-beta-D-glucopyranuronic acid-(1-4)-2-deoxy-3,6-di-O-sulfo-2-(sulfoamino)-alpha-D-glucopyranose-(1-4)-2-O-sulfo-alpha-L-idopyranuronic acid-(1-4)-methyl 2-deoxy-6-O-sulfo-2-(sulfoamino)-alpha-D-glucopyranoside ; × 1 CA CALCIUM ION × 1 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.4;294 K;20% PEG 3350, 200mM Calcium Acetate, pH 7.4, VAPOR DIFFUSION, HANGING DROP, temperature 294K Resolution 3.30 Å R-free 0.298

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 2–58; UniProt 126–182 Author chain L; PDBConstruct 2–58; UniProt 126–182 Author chain B; PDBConstruct 1–241; UniProt 235–475 Author chain H; PDBConstruct 1–241; UniProt 235–475

Antithrombin-III

Homo sapiens

UniProt P01008

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Other combination Heteromer Protein × 3 其他Polymer 2 PDB declaration: trimeric(3) Consistent with protein copy count Chain I; UniProt 22–464 Fragment:Residues 22-464 Mutation:S137A, E347A, K348A, K350A ;Coagulation factor X, Stuart factor, Stuart-Prower factor, Contains: Factor X light chain; Factor X heavy chain; Activated factor Xa heavy chain ; × 1 (P00742) ;Coagulation factor, Stuart factor, Stuart-Prower factor, Contains: Factor X light chain; Factor X heavy chain; Activated factor Xa heavy chain ; × 1 (P00742) ;alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ; × 1 ;2-deoxy-6-O-sulfo-2-(sulfoamino)-alpha-D-glucopyranose-(1-4)-beta-D-glucopyranuronic acid-(1-4)-2-deoxy-3,6-di-O-sulfo-2-(sulfoamino)-alpha-D-glucopyranose-(1-4)-2-O-sulfo-alpha-L-idopyranuronic acid-(1-4)-methyl 2-deoxy-6-O-sulfo-2-(sulfoamino)-alpha-D-glucopyranoside ; × 1 CA CALCIUM ION × 1 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.4;294 K;20% PEG 3350, 200mM Calcium Acetate, pH 7.4, VAPOR DIFFUSION, HANGING DROP, temperature 294K Resolution 3.30 Å R-free 0.298
2 Other combination Heteromer Protein × 3 其他Polymer 2 PDB declaration: trimeric(3) Consistent with protein copy count Chain C; UniProt 22–464 Fragment:Residues 22-464 Mutation:S137A, E347A, K348A, K350A ;Coagulation factor X, Stuart factor, Stuart-Prower factor, Contains: Factor X light chain; Factor X heavy chain; Activated factor Xa heavy chain ; × 1 (P00742) ;Coagulation factor, Stuart factor, Stuart-Prower factor, Contains: Factor X light chain; Factor X heavy chain; Activated factor Xa heavy chain ; × 1 (P00742) 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 ;2-deoxy-6-O-sulfo-2-(sulfoamino)-alpha-D-glucopyranose-(1-4)-beta-D-glucopyranuronic acid-(1-4)-2-deoxy-3,6-di-O-sulfo-2-(sulfoamino)-alpha-D-glucopyranose-(1-4)-2-O-sulfo-alpha-L-idopyranuronic acid-(1-4)-methyl 2-deoxy-6-O-sulfo-2-(sulfoamino)-alpha-D-glucopyranoside ; × 1 CA CALCIUM ION × 1 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.4;294 K;20% PEG 3350, 200mM Calcium Acetate, pH 7.4, VAPOR DIFFUSION, HANGING DROP, temperature 294K Resolution 3.30 Å R-free 0.298

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.

26 other PDB entries and 42 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name ANT3_HUMAN
Isoform
PDB entities 3
Chains and sequence ranges Author chain C; PDBConstruct 1–443; UniProt 22–464 Author chain I; PDBConstruct 1–443; UniProt 22–464

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 2gd4

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 2gd4
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2. Structure Basics 2. Structure Basics

Entry ID entry_id2gd4
Deposition date deposition_date2006-03-15
Structure title titleCrystal Structure of the Antithrombin-S195A Factor Xa-Pentasaccharide Complex
Keywords keywordsserpin, Michaelis complex, HYDROLASE; HYDROLASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier54.66
Radius of gyration Rg (electron density) rg_electron55.29
Forward intensity I(0) i0384028000.00
Molecular weight molecular_weight158470.0 kDa
Excluded volume excluded_volume196700 ų
Envelope volume envelope_volume278610 ų
Hydration-shell volume shell_volume48313 ų
Envelope diameter envelope_diameter214.7
Shell Rg shell_rg46.99
Envelope Rg envelope_rg55.15
Shape Rg shape_rg55.26
Total Rg total_rg55.09
Total atoms total_atoms11102
Residues n_residues1400
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 dmax202.1
Rg (real space) rg_real55.51
Rg uncertainty (real space) rg_real_error3.44
I(0) (real space) i0_real3.8400e+08
I(0) uncertainty (real space) i0_real_error8.9280e+06
Rg (reciprocal space) rg_reciprocal53.95
I(0) (reciprocal space) i0_reciprocal383200000.0000
Solution quality estimate total_estimate0.6838
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks3
Primary peak position r_peak_primary27.9
Skewness Skewness skewness0.632
Kurtosis Kurtosis kurtosis-0.199
Angular range angular_range— – 0.1450 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha13440000.0000
Real-space data points n_real_points30
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.354; Stabil: 0.999; Sysdev: 1.000; Positv: 1.000; Valcen: 0.376; Smooth: 0.450

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (9)

7. Fold Classification (SCOP + CATH) 16 domains

SCOP 2.08 (6 domains)

Domain ID domain_idd2gd4a1
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_idd2gd4b1
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_idd2gd4c1
Class classe — Multi-domain proteins (alpha and beta)
Fold Fold folde.1 — Serpins
Superfamily Superfamily superfamilye.1.1 — Serpins
Family Family familye.1.1.1 — Serpins
Domain ID domain_idd2gd4h1
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_idd2gd4i1
Class classe — Multi-domain proteins (alpha and beta)
Fold Fold folde.1 — Serpins
Superfamily Superfamily superfamilye.1.1 — Serpins
Family Family familye.1.1.1 — Serpins
Domain ID domain_idd2gd4l1
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 (10 domains)

Domain ID domain_id2gd4A00
Class class2 — Mainly Beta
Architecture architecture10 — Ribbon
Topology topology25 — Laminin
Homologous superfamily homologous superfamily10 — Laminin
Domain ID domain_id2gd4B01
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology10 — Thrombin, subunit H
Homologous superfamily homologous superfamily10 — Trypsin-like serine proteases
Domain ID domain_id2gd4B02
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology10 — Thrombin, subunit H
Homologous superfamily homologous superfamily10 — Trypsin-like serine proteases
Domain ID domain_id2gd4C01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology497 — Antithrombin; Chain I, domain 2
Homologous superfamily homologous superfamily10 — Antithrombin, subunit I, domain 2
Domain ID domain_id2gd4C02
Class class2 — Mainly Beta
Architecture architecture30 — Roll
Topology topology39 — Alpha-1-antitrypsin; domain 1
Homologous superfamily homologous superfamily10 — Alpha-1-antitrypsin, domain 1
Domain ID domain_id2gd4H01
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology10 — Thrombin, subunit H
Homologous superfamily homologous superfamily10 — Trypsin-like serine proteases
Domain ID domain_id2gd4H02
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology10 — Thrombin, subunit H
Homologous superfamily homologous superfamily10 — Trypsin-like serine proteases
Domain ID domain_id2gd4I01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology497 — Antithrombin; Chain I, domain 2
Homologous superfamily homologous superfamily10 — Antithrombin, subunit I, domain 2
Domain ID domain_id2gd4I02
Class class2 — Mainly Beta
Architecture architecture30 — Roll
Topology topology39 — Alpha-1-antitrypsin; domain 1
Homologous superfamily homologous superfamily10 — Alpha-1-antitrypsin, domain 1
Domain ID domain_id2gd4L00
Class class2 — Mainly Beta
Architecture architecture10 — Ribbon
Topology topology25 — Laminin
Homologous superfamily homologous superfamily10 — Laminin

8. Citations (1)

9. Files and Curves (10)