1dx5

Crystal structure of the thrombin-thrombomodulin complex

Method: X-RAY DIFFRACTION Dmax: 179.4 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 × 3 PDB declaration: tetrameric(4) Count mismatch; review required Chain A; UniProt 328–363 Chain M; UniProt 364–622 Not recorded Thrombomodulin × 1 (P07204) FMT FORMIC ACID × 1 CA CALCIUM ION × 1 NA SODIUM ION × 2 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 0GJ L-alpha-glutamyl-N-{(1S)-4-{[amino(iminio)methyl]amino}-1-[(1S)-2-chloro-1-hydroxyethyl]butyl}glycinamide × 4 X-RAY DIFFRACTION X-ray crystallization conditions:pH 6.5;0.1 M NA ACETATE (PH 4.6), 1.8 M NA FORMATE, 0.002 M CA CHLORIDE Resolution 2.30 Å R-free 0.241
2 Protein heterocomplex Heteromer Protein × 3 PDB declaration: tetrameric(4) Count mismatch; review required Chain B; UniProt 328–363 Chain N; UniProt 364–622 Not recorded Thrombomodulin × 1 (P07204) FMT FORMIC ACID × 1 CA CALCIUM ION × 1 NA SODIUM ION × 2 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 0GJ L-alpha-glutamyl-N-{(1S)-4-{[amino(iminio)methyl]amino}-1-[(1S)-2-chloro-1-hydroxyethyl]butyl}glycinamide × 4 X-RAY DIFFRACTION X-ray crystallization conditions:pH 6.5;0.1 M NA ACETATE (PH 4.6), 1.8 M NA FORMATE, 0.002 M CA CHLORIDE Resolution 2.30 Å R-free 0.241
3 Protein heterocomplex Heteromer Protein × 3 PDB declaration: tetrameric(4) Count mismatch; review required Chain C; UniProt 328–363 Chain O; UniProt 364–622 Not recorded Thrombomodulin × 1 (P07204) FMT FORMIC ACID × 1 CA CALCIUM ION × 1 NA SODIUM ION × 2 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 0GJ L-alpha-glutamyl-N-{(1S)-4-{[amino(iminio)methyl]amino}-1-[(1S)-2-chloro-1-hydroxyethyl]butyl}glycinamide × 4 X-RAY DIFFRACTION X-ray crystallization conditions:pH 6.5;0.1 M NA ACETATE (PH 4.6), 1.8 M NA FORMATE, 0.002 M CA CHLORIDE Resolution 2.30 Å R-free 0.241
4 Protein heterocomplex Heteromer Protein × 3 PDB declaration: tetrameric(4) Count mismatch; review required Chain D; UniProt 328–363 Chain P; UniProt 364–622 Not recorded Thrombomodulin × 1 (P07204) FMT FORMIC ACID × 2 CA CALCIUM ION × 1 NA SODIUM ION × 2 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 0GJ L-alpha-glutamyl-N-{(1S)-4-{[amino(iminio)methyl]amino}-1-[(1S)-2-chloro-1-hydroxyethyl]butyl}glycinamide × 4 X-RAY DIFFRACTION X-ray crystallization conditions:pH 6.5;0.1 M NA ACETATE (PH 4.6), 1.8 M NA FORMATE, 0.002 M CA CHLORIDE Resolution 2.30 Å R-free 0.241

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 561 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name THRB_HUMAN
Isoform
PDB entities 1, 3
Chains and sequence ranges Author chain A; PDBConstruct 1–36; UniProt 328–363 Author chain B; PDBConstruct 1–36; UniProt 328–363 Author chain C; PDBConstruct 1–36; UniProt 328–363 Author chain D; PDBConstruct 1–36; UniProt 328–363 Author chain M; PDBConstruct 1–259; UniProt 364–622 Author chain N; PDBConstruct 1–259; UniProt 364–622 Author chain O; PDBConstruct 1–259; UniProt 364–622 Author chain P; PDBConstruct 1–259; UniProt 364–622

Thrombomodulin

Homo sapiens

UniProt P07204

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 × 3 PDB declaration: tetrameric(4) Count mismatch; review required Chain I; UniProt 363–480 Fragment:EGF-LIKE DOMAINS 4 - 6 Mutation:YES Thrombin light chain × 1 (P00734) Thrombin heavy chain × 1 (P00734) FMT FORMIC ACID × 1 CA CALCIUM ION × 1 NA SODIUM ION × 2 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 0GJ L-alpha-glutamyl-N-{(1S)-4-{[amino(iminio)methyl]amino}-1-[(1S)-2-chloro-1-hydroxyethyl]butyl}glycinamide × 4 X-RAY DIFFRACTION X-ray crystallization conditions:pH 6.5;0.1 M NA ACETATE (PH 4.6), 1.8 M NA FORMATE, 0.002 M CA CHLORIDE Resolution 2.30 Å R-free 0.241
2 Protein heterocomplex Heteromer Protein × 3 PDB declaration: tetrameric(4) Count mismatch; review required Chain J; UniProt 363–480 Fragment:EGF-LIKE DOMAINS 4 - 6 Mutation:YES Thrombin light chain × 1 (P00734) Thrombin heavy chain × 1 (P00734) FMT FORMIC ACID × 1 CA CALCIUM ION × 1 NA SODIUM ION × 2 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 0GJ L-alpha-glutamyl-N-{(1S)-4-{[amino(iminio)methyl]amino}-1-[(1S)-2-chloro-1-hydroxyethyl]butyl}glycinamide × 4 X-RAY DIFFRACTION X-ray crystallization conditions:pH 6.5;0.1 M NA ACETATE (PH 4.6), 1.8 M NA FORMATE, 0.002 M CA CHLORIDE Resolution 2.30 Å R-free 0.241
3 Protein heterocomplex Heteromer Protein × 3 PDB declaration: tetrameric(4) Count mismatch; review required Chain K; UniProt 363–480 Fragment:EGF-LIKE DOMAINS 4 - 6 Mutation:YES Thrombin light chain × 1 (P00734) Thrombin heavy chain × 1 (P00734) FMT FORMIC ACID × 1 CA CALCIUM ION × 1 NA SODIUM ION × 2 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 0GJ L-alpha-glutamyl-N-{(1S)-4-{[amino(iminio)methyl]amino}-1-[(1S)-2-chloro-1-hydroxyethyl]butyl}glycinamide × 4 X-RAY DIFFRACTION X-ray crystallization conditions:pH 6.5;0.1 M NA ACETATE (PH 4.6), 1.8 M NA FORMATE, 0.002 M CA CHLORIDE Resolution 2.30 Å R-free 0.241
4 Protein heterocomplex Heteromer Protein × 3 PDB declaration: tetrameric(4) Count mismatch; review required Chain L; UniProt 363–480 Fragment:EGF-LIKE DOMAINS 4 - 6 Mutation:YES Thrombin light chain × 1 (P00734) Thrombin heavy chain × 1 (P00734) FMT FORMIC ACID × 2 CA CALCIUM ION × 1 NA SODIUM ION × 2 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 0GJ L-alpha-glutamyl-N-{(1S)-4-{[amino(iminio)methyl]amino}-1-[(1S)-2-chloro-1-hydroxyethyl]butyl}glycinamide × 4 X-RAY DIFFRACTION X-ray crystallization conditions:pH 6.5;0.1 M NA ACETATE (PH 4.6), 1.8 M NA FORMATE, 0.002 M CA CHLORIDE Resolution 2.30 Å R-free 0.241

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.

12 other PDB entries and 14 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name TRBM_HUMAN
Isoform
PDB entities 2
Chains and sequence ranges Author chain I; PDBConstruct 1–118; UniProt 363–480 Author chain J; PDBConstruct 1–118; UniProt 363–480 Author chain K; PDBConstruct 1–118; UniProt 363–480 Author chain L; PDBConstruct 1–118; UniProt 363–480

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 1dx5

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1dx5
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2. Structure Basics 2. Structure Basics

Entry ID entry_id1dx5
Deposition date deposition_date1999-12-20
Structure title titleCrystal structure of the thrombin-thrombomodulin complex
Keywords keywordsSERINE PROTEINASE, EGF-LIKE DOMAINS, ANTICOAGULANT COMPLEX, ANTIFIBRINOLYTIC COMPLEX, 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_guinier45.29
Radius of gyration Rg (electron density) rg_electron45.20
Forward intensity I(0) i01067600000.00
Molecular weight molecular_weight176080.0 kDa
Excluded volume excluded_volume168720 ų
Envelope volume envelope_volume345440 ų
Hydration-shell volume shell_volume65149 ų
Envelope diameter envelope_diameter189.3
Shell Rg shell_rg48.09
Envelope Rg envelope_rg45.26
Shape Rg shape_rg45.10
Total Rg total_rg45.45
Total atoms total_atoms13203
Residues n_residues1652
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 dmax179.4
Rg (real space) rg_real45.42
Rg uncertainty (real space) rg_real_error2.28
I(0) (real space) i0_real1.0680e+09
I(0) uncertainty (real space) i0_real_error2.0490e+07
Rg (reciprocal space) rg_reciprocal45.29
I(0) (reciprocal space) i0_reciprocal1067000000.0000
Solution quality estimate total_estimate0.8043
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary56.4
Skewness Skewness skewness0.417
Kurtosis Kurtosis kurtosis-0.082
Angular range angular_range— – 0.1750 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha53310000.0000
Real-space data points n_real_points36
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.559; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.782; Smooth: 0.994

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (9)

7. Fold Classification (SCOP + CATH) 36 domains

SCOP 2.08 (16 domains)

Domain ID domain_idd1dx5.1
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_idd1dx5.2
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_idd1dx5.3
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_idd1dx5.4
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_idd1dx5i1
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_idd1dx5i2
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_idd1dx5i3
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_idd1dx5j1
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_idd1dx5j2
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_idd1dx5j3
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_idd1dx5k1
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_idd1dx5k2
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_idd1dx5k3
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_idd1dx5l1
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_idd1dx5l2
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_idd1dx5l3
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 (20 domains)

Domain ID domain_id1dx5I01
Class class2 — Mainly Beta
Architecture architecture10 — Ribbon
Topology topology25 — Laminin
Homologous superfamily homologous superfamily10 — Laminin
Domain ID domain_id1dx5I02
Class class2 — Mainly Beta
Architecture architecture10 — Ribbon
Topology topology25 — Laminin
Homologous superfamily homologous superfamily10 — Laminin
Domain ID domain_id1dx5I03
Class class2 — Mainly Beta
Architecture architecture10 — Ribbon
Topology topology25 — Laminin
Homologous superfamily homologous superfamily10 — Laminin
Domain ID domain_id1dx5J01
Class class2 — Mainly Beta
Architecture architecture10 — Ribbon
Topology topology25 — Laminin
Homologous superfamily homologous superfamily10 — Laminin
Domain ID domain_id1dx5J02
Class class2 — Mainly Beta
Architecture architecture10 — Ribbon
Topology topology25 — Laminin
Homologous superfamily homologous superfamily10 — Laminin
Domain ID domain_id1dx5J03
Class class2 — Mainly Beta
Architecture architecture10 — Ribbon
Topology topology25 — Laminin
Homologous superfamily homologous superfamily10 — Laminin
Domain ID domain_id1dx5K01
Class class2 — Mainly Beta
Architecture architecture10 — Ribbon
Topology topology25 — Laminin
Homologous superfamily homologous superfamily10 — Laminin
Domain ID domain_id1dx5K02
Class class2 — Mainly Beta
Architecture architecture10 — Ribbon
Topology topology25 — Laminin
Homologous superfamily homologous superfamily10 — Laminin
Domain ID domain_id1dx5K03
Class class2 — Mainly Beta
Architecture architecture10 — Ribbon
Topology topology25 — Laminin
Homologous superfamily homologous superfamily10 — Laminin
Domain ID domain_id1dx5L01
Class class2 — Mainly Beta
Architecture architecture10 — Ribbon
Topology topology25 — Laminin
Homologous superfamily homologous superfamily10 — Laminin
Domain ID domain_id1dx5L02
Class class2 — Mainly Beta
Architecture architecture10 — Ribbon
Topology topology25 — Laminin
Homologous superfamily homologous superfamily10 — Laminin
Domain ID domain_id1dx5L03
Class class2 — Mainly Beta
Architecture architecture10 — Ribbon
Topology topology25 — Laminin
Homologous superfamily homologous superfamily10 — Laminin
Domain ID domain_id1dx5M01
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology10 — Thrombin, subunit H
Homologous superfamily homologous superfamily10 — Trypsin-like serine proteases
Domain ID domain_id1dx5M02
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology10 — Thrombin, subunit H
Homologous superfamily homologous superfamily10 — Trypsin-like serine proteases
Domain ID domain_id1dx5N01
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology10 — Thrombin, subunit H
Homologous superfamily homologous superfamily10 — Trypsin-like serine proteases
Domain ID domain_id1dx5N02
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology10 — Thrombin, subunit H
Homologous superfamily homologous superfamily10 — Trypsin-like serine proteases
Domain ID domain_id1dx5O01
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology10 — Thrombin, subunit H
Homologous superfamily homologous superfamily10 — Trypsin-like serine proteases
Domain ID domain_id1dx5O02
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology10 — Thrombin, subunit H
Homologous superfamily homologous superfamily10 — Trypsin-like serine proteases
Domain ID domain_id1dx5P01
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology10 — Thrombin, subunit H
Homologous superfamily homologous superfamily10 — Trypsin-like serine proteases
Domain ID domain_id1dx5P02
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)