1nrs

CRYSTALLOGRAPHIC STRUCTURES OF THROMBIN COMPLEXED WITH THROMBIN RECEPTOR PEPTIDES: EXISTENCE OF EXPECTED AND NOVEL BINDING MODES

Method: X-RAY DIFFRACTION Dmax: 57.2 Å Quality: GOOD

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

ALPHA-THROMBIN (SMALL SUBUNIT)

Homo sapiens

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 × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain H; UniProt 364–622 Chain L; UniProt 328–363 Not recorded RECEPTOR BASED PEPTIDE NRP × 1 HIRUGEN × 1 (P09945) X-RAY DIFFRACTION mmCIF provides none of the parsed experimental conditions Resolution 2.40 Å

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 L; PDBConstruct 1–22; UniProt 328–363 Author chain H; PDBConstruct 1–259; UniProt 364–622

HIRUGEN

Hirudo medicinalis

UniProt P09945

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 × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain I; UniProt 60–71 Non-standard monomer:Yes (specific site not provided by mmCIF) ALPHA-THROMBIN (SMALL SUBUNIT) × 1 (P00734) ALPHA-THROMBIN (LARGE SUBUNIT) × 1 (P00734) RECEPTOR BASED PEPTIDE NRP × 1 X-RAY DIFFRACTION mmCIF provides none of the parsed experimental conditions Resolution 2.40 Å

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.

111 other PDB entries and 113 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name ITH3_HIRME
Isoform
PDB entities 4
Chains and sequence ranges Author chain I; PDBConstruct 1–12; UniProt 60–71

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 1nrs

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id1nrs
Deposition date deposition_date1994-01-18
Structure title titleCRYSTALLOGRAPHIC STRUCTURES OF THROMBIN COMPLEXED WITH THROMBIN RECEPTOR PEPTIDES: EXISTENCE OF EXPECTED AND NOVEL BINDING MODES
Keywords keywordsSERINE PROTEINASE, RECEPTOR, 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_guinier19.13
Radius of gyration Rg (electron density) rg_electron17.90
Forward intensity I(0) i019565100.00
Molecular weight molecular_weight33599.0 kDa
Excluded volume excluded_volume42022 ų
Envelope volume envelope_volume47078 ų
Hydration-shell volume shell_volume21113 ų
Envelope diameter envelope_diameter59.0
Shell Rg shell_rg25.05
Envelope Rg envelope_rg18.20
Shape Rg shape_rg17.90
Total Rg total_rg18.88
Total atoms total_atoms2363
Residues n_residues255
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 dmax57.2
Rg (real space) rg_real18.96
Rg uncertainty (real space) rg_real_error0.29
I(0) (real space) i0_real1.9570e+07
I(0) uncertainty (real space) i0_real_error2.3470e+05
Rg (reciprocal space) rg_reciprocal18.99
I(0) (reciprocal space) i0_reciprocal19570000.0000
Solution quality estimate total_estimate0.8235
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary24.6
Skewness Skewness skewness0.065
Kurtosis Kurtosis kurtosis-0.482
Angular range angular_range— – 0.4150 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha7395000.0000
Real-space data points n_real_points73
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.911; Stabil: 0.998; Sysdev: 1.000; Positv: 1.000; Valcen: 0.975; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

7. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd1nrs.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

CATH v4.4 (2 domains)

Domain ID domain_id1nrsH01
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology10 — Thrombin, subunit H
Homologous superfamily homologous superfamily10 — Trypsin-like serine proteases
Domain ID domain_id1nrsH02
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology10 — Thrombin, subunit H
Homologous superfamily homologous superfamily10 — Trypsin-like serine proteases

8. Citations (3)

9. Files and Curves (10)