1ook

Crystal Structure of the Complex of Platelet Receptor GPIb-alpha and Human alpha-Thrombin

Method: X-RAY DIFFRACTION Dmax: 89.5 Å Quality: GOOD

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

Human Alpha Thrombin

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 Other combination Heteromer Protein × 4 其他Polymer 1 PDB declaration: tetrameric(4) Consistent with protein copy count Chain A; UniProt 328–363 Chain B; UniProt 364–622 Fragment:THROMBIN A CHAIN Fragment:THROMBIN B CHAIN PHE-PRO-ARG-Chloromethylketone × 1 Platelet glycoprotein Ib alpha chain precursor × 1 (P07359) ;alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]alpha-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ; × 1 CL CHLORIDE ION × 1 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7;277 K;PEG 6000, Ammonium Phosphate, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 277.0K Resolution 2.30 Å R-free 0.260

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 9–36; UniProt 328–363 Author chain B; PDBConstruct 1–259; UniProt 364–622

Platelet glycoprotein Ib alpha chain precursor

Homo sapiens

UniProt P07359

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 × 4 其他Polymer 1 PDB declaration: tetrameric(4) Consistent with protein copy count Chain G; UniProt 17–306 Fragment:N-terminal domain Mutation:C65A Non-standard monomer:Yes (specific site not provided by mmCIF) Human Alpha Thrombin × 1 (P00734) Human Alpha Thrombin × 1 (P00734) PHE-PRO-ARG-Chloromethylketone × 1 ;alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]alpha-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ; × 1 CL CHLORIDE ION × 1 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7;277 K;PEG 6000, Ammonium Phosphate, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 277.0K Resolution 2.30 Å R-free 0.260

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.

20 other PDB entries and 32 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name GPBA_HUMAN
Isoform
PDB entities 4
Chains and sequence ranges Author chain G; PDBConstruct 1–290; UniProt 17–306

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 1ook

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1ook
Download Download

2. Structure Basics 2. Structure Basics

Entry ID entry_id1ook
Deposition date deposition_date2003-03-03
Structure title titleCrystal Structure of the Complex of Platelet Receptor GPIb-alpha and Human alpha-Thrombin
Keywords keywordsLeucine rich repeats, HYDROLASE; HYDROLASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier28.84
Radius of gyration Rg (electron density) rg_electron28.12
Forward intensity I(0) i072035400.00
Molecular weight molecular_weight67115.0 kDa
Excluded volume excluded_volume84282 ų
Envelope volume envelope_volume105400 ų
Hydration-shell volume shell_volume31766 ų
Envelope diameter envelope_diameter93.7
Shell Rg shell_rg34.87
Envelope Rg envelope_rg28.08
Shape Rg shape_rg28.09
Total Rg total_rg28.89
Total atoms total_atoms4719
Residues n_residues531
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 dmax89.5
Rg (real space) rg_real28.86
Rg uncertainty (real space) rg_real_error0.70
I(0) (real space) i0_real7.2040e+07
I(0) uncertainty (real space) i0_real_error1.2460e+06
Rg (reciprocal space) rg_reciprocal28.86
I(0) (reciprocal space) i0_reciprocal72030000.0000
Solution quality estimate total_estimate0.8938
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary29.3
Skewness Skewness skewness0.330
Kurtosis Kurtosis kurtosis-0.544
Angular range angular_range— – 0.2750 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha16340000.0000
Real-space data points n_real_points56
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.945; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.975; Smooth: 0.804

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (8)

7. Fold Classification (SCOP + CATH) 5 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd1ook.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_idd1ookg_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.10 — Leucine-rich repeat, LRR (right-handed beta-alpha superhelix)
Superfamily Superfamily superfamilyc.10.2 — L domain-like
Family Family familyc.10.2.7 — Ngr ectodomain-like

CATH v4.4 (3 domains)

Domain ID domain_id1ookB01
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology10 — Thrombin, subunit H
Homologous superfamily homologous superfamily10 — Trypsin-like serine proteases
Domain ID domain_id1ookB02
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology10 — Thrombin, subunit H
Homologous superfamily homologous superfamily10 — Trypsin-like serine proteases
Domain ID domain_id1ookG00
Class class3 — Alpha Beta
Architecture architecture80 — Alpha-Beta Horseshoe
Topology topology10 — Leucine-rich repeat, LRR (right-handed beta-alpha superhelix)
Homologous superfamily homologous superfamily10 — Ribonuclease Inhibitor

8. Citations (1)

9. Files and Curves (10)