2a45

Crystal structure of the complex between thrombin and the central "E" region of fibrin

Method: X-RAY DIFFRACTION Dmax: 129.9 Å Quality: GOOD

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

Thrombin light chain

OrganismNot specified

UniProt P00734

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 × 10 PDB declaration: decameric(10) Consistent with protein copy count Chain A; UniProt 328–363 Chain B; UniProt 364–622 Chain D; UniProt 328–363 Chain E; UniProt 364–622 Not recorded Fibrinogen alpha chain × 2 (P02671) Fibrinogen beta chain × 2 (P02675) Fibrinogen gamma chain × 2 (P02679) 0G6 D-phenylalanyl-N-[(2S,3S)-6-{[amino(iminio)methyl]amino}-1-chloro-2-hydroxyhexan-3-yl]-L-prolinamide × 2 PO4 PHOSPHATE ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:MICRODIALYSIS;pH 7.9;298 K;PEG 3500, AMMONIUM PHOSPHATE, TRIS, pH 7.90, MICRODIALYSIS, temperature 298K Resolution 3.65 Å R-free 0.290

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.

475 other PDB entries and 564 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name THRB_HUMAN
Isoform
PDB entities 1, 2
Chains and sequence ranges Author chain A; PDBConstruct 1–36; UniProt 328–363 Author chain D; PDBConstruct 1–36; UniProt 328–363 Author chain B; PDBConstruct 1–259; UniProt 364–622 Author chain E; PDBConstruct 1–259; UniProt 364–622

Fibrinogen alpha chain

OrganismNot specified

UniProt P02671

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 × 10 PDB declaration: decameric(10) Consistent with protein copy count Chain G; UniProt 36–92 Chain J; UniProt 36–92 Fragment:UNP P02671, residues 36-92 Thrombin light chain × 2 (P00734) Thrombin heavy chain × 2 (P00734) Fibrinogen beta chain × 2 (P02675) Fibrinogen gamma chain × 2 (P02679) 0G6 D-phenylalanyl-N-[(2S,3S)-6-{[amino(iminio)methyl]amino}-1-chloro-2-hydroxyhexan-3-yl]-L-prolinamide × 2 PO4 PHOSPHATE ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:MICRODIALYSIS;pH 7.9;298 K;PEG 3500, AMMONIUM PHOSPHATE, TRIS, pH 7.90, MICRODIALYSIS, temperature 298K Resolution 3.65 Å R-free 0.290

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.

36 other PDB entries and 69 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name FIBA_HUMAN
Isoform
PDB entities 3
Chains and sequence ranges Author chain G; PDBConstruct 1–57; UniProt 36–92 Author chain J; PDBConstruct 1–57; UniProt 36–92

Fibrinogen beta chain

OrganismNot specified

UniProt P02675

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 × 10 PDB declaration: decameric(10) Consistent with protein copy count Chain H; UniProt 45–135 Chain K; UniProt 45–135 Not recorded Thrombin light chain × 2 (P00734) Thrombin heavy chain × 2 (P00734) Fibrinogen alpha chain × 2 (P02671) Fibrinogen gamma chain × 2 (P02679) 0G6 D-phenylalanyl-N-[(2S,3S)-6-{[amino(iminio)methyl]amino}-1-chloro-2-hydroxyhexan-3-yl]-L-prolinamide × 2 PO4 PHOSPHATE ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:MICRODIALYSIS;pH 7.9;298 K;PEG 3500, AMMONIUM PHOSPHATE, TRIS, pH 7.90, MICRODIALYSIS, temperature 298K Resolution 3.65 Å R-free 0.290

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.

30 other PDB entries and 57 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name FIBB_HUMAN
Isoform
PDB entities 4
Chains and sequence ranges Author chain H; PDBConstruct 1–91; UniProt 45–135 Author chain K; PDBConstruct 1–91; UniProt 45–135

Fibrinogen gamma chain

OrganismNot specified

UniProt P02679

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 × 10 PDB declaration: decameric(10) Consistent with protein copy count Chain I; UniProt 27–71 Chain L; UniProt 27–71 Not recorded Thrombin light chain × 2 (P00734) Thrombin heavy chain × 2 (P00734) Fibrinogen alpha chain × 2 (P02671) Fibrinogen beta chain × 2 (P02675) 0G6 D-phenylalanyl-N-[(2S,3S)-6-{[amino(iminio)methyl]amino}-1-chloro-2-hydroxyhexan-3-yl]-L-prolinamide × 2 PO4 PHOSPHATE ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:MICRODIALYSIS;pH 7.9;298 K;PEG 3500, AMMONIUM PHOSPHATE, TRIS, pH 7.90, MICRODIALYSIS, temperature 298K Resolution 3.65 Å R-free 0.290

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.

36 other PDB entries and 57 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name FIBG_HUMAN
Isoform
PDB entities 5
Chains and sequence ranges Author chain I; PDBConstruct 1–45; UniProt 27–71 Author chain L; PDBConstruct 1–45; UniProt 27–71

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 2a45

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 2a45
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2. Structure Basics 2. Structure Basics

Entry ID entry_id2a45
Deposition date deposition_date2005-06-27
Structure title titleCrystal structure of the complex between thrombin and the central "E" region of fibrin
Keywords keywords;THROMBIN, FIBRIN, FRAGMENT E, THROMBIN-FIBRIN COMPLEX, COILED COILS, DISULFIDE RINGS, BLOOD CLOTTING, HYDROLASE-HYDROLASE INHIBITOR COMPLEX ;; HYDROLASE/HYDROLASE INHIBITOR
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier37.83
Radius of gyration Rg (electron density) rg_electron38.06
Forward intensity I(0) i0299160000.00
Molecular weight molecular_weight91698.0 kDa
Excluded volume excluded_volume87656 ų
Envelope volume envelope_volume163670 ų
Hydration-shell volume shell_volume38559 ų
Envelope diameter envelope_diameter129.0
Shell Rg shell_rg40.86
Envelope Rg envelope_rg37.42
Shape Rg shape_rg38.11
Total Rg total_rg38.11
Total atoms total_atoms6904
Residues n_residues774
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 dmax129.9
Rg (real space) rg_real38.15
Rg uncertainty (real space) rg_real_error1.17
I(0) (real space) i0_real2.9920e+08
I(0) uncertainty (real space) i0_real_error4.9940e+06
Rg (reciprocal space) rg_reciprocal37.96
I(0) (reciprocal space) i0_reciprocal299100000.0000
Solution quality estimate total_estimate0.8455
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary30.9
Skewness Skewness skewness0.426
Kurtosis Kurtosis kurtosis-0.551
Angular range angular_range— – 0.2100 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha43200000.0000
Real-space data points n_real_points43
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.771; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.777; Smooth: 0.898

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (7)

7. Fold Classification (SCOP + CATH) 18 domains

SCOP 2.08 (8 domains)

Domain ID domain_idd2a45.1
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_idd2a45.2
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_idd2a45g_
Class classh — Coiled coil proteins
Fold Fold foldh.1 — Parallel coiled-coil
Superfamily Superfamily superfamilyh.1.8 — Fibrinogen coiled-coil and central regions
Family Family familyh.1.8.1 — Fibrinogen coiled-coil and central regions
Domain ID domain_idd2a45h_
Class classh — Coiled coil proteins
Fold Fold foldh.1 — Parallel coiled-coil
Superfamily Superfamily superfamilyh.1.8 — Fibrinogen coiled-coil and central regions
Family Family familyh.1.8.1 — Fibrinogen coiled-coil and central regions
Domain ID domain_idd2a45i_
Class classh — Coiled coil proteins
Fold Fold foldh.1 — Parallel coiled-coil
Superfamily Superfamily superfamilyh.1.8 — Fibrinogen coiled-coil and central regions
Family Family familyh.1.8.1 — Fibrinogen coiled-coil and central regions
Domain ID domain_idd2a45j_
Class classh — Coiled coil proteins
Fold Fold foldh.1 — Parallel coiled-coil
Superfamily Superfamily superfamilyh.1.8 — Fibrinogen coiled-coil and central regions
Family Family familyh.1.8.1 — Fibrinogen coiled-coil and central regions
Domain ID domain_idd2a45k_
Class classh — Coiled coil proteins
Fold Fold foldh.1 — Parallel coiled-coil
Superfamily Superfamily superfamilyh.1.8 — Fibrinogen coiled-coil and central regions
Family Family familyh.1.8.1 — Fibrinogen coiled-coil and central regions
Domain ID domain_idd2a45l_
Class classh — Coiled coil proteins
Fold Fold foldh.1 — Parallel coiled-coil
Superfamily Superfamily superfamilyh.1.8 — Fibrinogen coiled-coil and central regions
Family Family familyh.1.8.1 — Fibrinogen coiled-coil and central regions

CATH v4.4 (10 domains)

Domain ID domain_id2a45B01
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology10 — Thrombin, subunit H
Homologous superfamily homologous superfamily10 — Trypsin-like serine proteases
Domain ID domain_id2a45B02
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology10 — Thrombin, subunit H
Homologous superfamily homologous superfamily10 — Trypsin-like serine proteases
Domain ID domain_id2a45E01
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology10 — Thrombin, subunit H
Homologous superfamily homologous superfamily10 — Trypsin-like serine proteases
Domain ID domain_id2a45E02
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology10 — Thrombin, subunit H
Homologous superfamily homologous superfamily10 — Trypsin-like serine proteases
Domain ID domain_id2a45G00
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology5 — Single alpha-helices involved in coiled-coils or other helix-helix interfaces
Homologous superfamily homologous superfamily50
Domain ID domain_id2a45H00
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology5 — Single alpha-helices involved in coiled-coils or other helix-helix interfaces
Homologous superfamily homologous superfamily50
Domain ID domain_id2a45I00
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology5 — Single alpha-helices involved in coiled-coils or other helix-helix interfaces
Homologous superfamily homologous superfamily50
Domain ID domain_id2a45J00
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology5 — Single alpha-helices involved in coiled-coils or other helix-helix interfaces
Homologous superfamily homologous superfamily50
Domain ID domain_id2a45K00
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology5 — Single alpha-helices involved in coiled-coils or other helix-helix interfaces
Homologous superfamily homologous superfamily50
Domain ID domain_id2a45L00
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology5 — Single alpha-helices involved in coiled-coils or other helix-helix interfaces
Homologous superfamily homologous superfamily50

8. Citations (2)

9. Files and Curves (10)