4dy7

Crystal structures of protease nexin-1 in complex with S195A thrombin

Method: X-RAY DIFFRACTION Dmax: 132.6 Å Quality: GOOD

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

Thrombin light chain

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 × 3 PDB declaration: trimeric(3) Consistent with protein copy count Chain A; UniProt 315–363 Chain B; UniProt 364–622 Fragment:UNP residues 315-363 Mutation:S195A Glia-derived nexin × 1 (P07093) ACT ACETATE ION × 3 CA CALCIUM ION × 1 NA SODIUM ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION;pH 7.4;295 K;0.14M calcium acetate, 13% PEG3350, pH 7.4, VAPOR DIFFUSION, temperature 295K Resolution 2.80 Å R-free 0.268
2 Protein heterocomplex Heteromer Protein × 3 PDB declaration: trimeric(3) Consistent with protein copy count Chain D; UniProt 315–363 Chain E; UniProt 364–622 Fragment:UNP residues 315-363 Mutation:S195A Glia-derived nexin × 1 (P07093) CA CALCIUM ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION;pH 7.4;295 K;0.14M calcium acetate, 13% PEG3350, pH 7.4, VAPOR DIFFUSION, temperature 295K Resolution 2.80 Å R-free 0.268

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 563 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 1–49; UniProt 315–363 Author chain D; PDBConstruct 1–49; UniProt 315–363 Author chain B; PDBConstruct 1–259; UniProt 364–622 Author chain E; PDBConstruct 1–259; UniProt 364–622

Glia-derived nexin

Homo sapiens

UniProt P07093

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: trimeric(3) Consistent with protein copy count Chain C; UniProt 20–398 Not recorded Thrombin light chain × 1 (P00734) Thrombin heavy chain × 1 (P00734) ACT ACETATE ION × 3 CA CALCIUM ION × 1 NA SODIUM ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION;pH 7.4;295 K;0.14M calcium acetate, 13% PEG3350, pH 7.4, VAPOR DIFFUSION, temperature 295K Resolution 2.80 Å R-free 0.268
2 Protein heterocomplex Heteromer Protein × 3 PDB declaration: trimeric(3) Consistent with protein copy count Chain F; UniProt 20–398 Not recorded Thrombin light chain × 1 (P00734) Thrombin heavy chain × 1 (P00734) CA CALCIUM ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION;pH 7.4;295 K;0.14M calcium acetate, 13% PEG3350, pH 7.4, VAPOR DIFFUSION, temperature 295K Resolution 2.80 Å R-free 0.268

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.

1 other PDB entries and 4 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name GDN_HUMAN
Isoform
PDB entities 3
Chains and sequence ranges Author chain C; PDBConstruct 1–379; UniProt 20–398 Author chain F; PDBConstruct 1–379; UniProt 20–398

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 4dy7

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 4dy7
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2. Structure Basics 2. Structure Basics

Entry ID entry_id4dy7
Deposition date deposition_date2012-02-28
Structure title titleCrystal structures of protease nexin-1 in complex with S195A thrombin
Keywords keywordsserpin, protease, heparin, cell surface, 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_guinier43.18
Radius of gyration Rg (electron density) rg_electron42.64
Forward intensity I(0) i0284097000.00
Molecular weight molecular_weight139610.0 kDa
Excluded volume excluded_volume174870 ų
Envelope volume envelope_volume241910 ų
Hydration-shell volume shell_volume46749 ų
Envelope diameter envelope_diameter133.4
Shell Rg shell_rg48.88
Envelope Rg envelope_rg41.12
Shape Rg shape_rg42.63
Total Rg total_rg42.94
Total atoms total_atoms9846
Residues n_residues1261
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 dmax132.6
Rg (real space) rg_real43.07
Rg uncertainty (real space) rg_real_error1.02
I(0) (real space) i0_real2.8410e+08
I(0) uncertainty (real space) i0_real_error4.5430e+06
Rg (reciprocal space) rg_reciprocal43.18
I(0) (reciprocal space) i0_reciprocal284100000.0000
Solution quality estimate total_estimate0.8727
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary64.5
Skewness Skewness skewness0.036
Kurtosis Kurtosis kurtosis-0.827
Angular range angular_range— – 0.1850 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha39880000.0000
Real-space data points n_real_points38
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.900; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.978; Smooth: 0.664

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (7)

7. Fold Classification (SCOP + CATH) 11 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd4dy7c_
Class classe — Multi-domain proteins (alpha and beta)
Fold Fold folde.1 — Serpins
Superfamily Superfamily superfamilye.1.1 — Serpins
Family Family familye.1.1.0 — automated matches
Domain ID domain_idd4dy7f_
Class classe — Multi-domain proteins (alpha and beta)
Fold Fold folde.1 — Serpins
Superfamily Superfamily superfamilye.1.1 — Serpins
Family Family familye.1.1.0 — automated matches

CATH v4.4 (9 domains)

Domain ID domain_id4dy7A00
Class class4 — Few Secondary Structures
Architecture architecture10 — Irregular
Topology topology140 — Epsilon-Thrombin; Chain L
Homologous superfamily homologous superfamily10 — Thrombin light chain domain
Domain ID domain_id4dy7B01
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology10 — Thrombin, subunit H
Homologous superfamily homologous superfamily10 — Trypsin-like serine proteases
Domain ID domain_id4dy7B02
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology10 — Thrombin, subunit H
Homologous superfamily homologous superfamily10 — Trypsin-like serine proteases
Domain ID domain_id4dy7C01
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_id4dy7C02
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_id4dy7E01
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology10 — Thrombin, subunit H
Homologous superfamily homologous superfamily10 — Trypsin-like serine proteases
Domain ID domain_id4dy7E02
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology10 — Thrombin, subunit H
Homologous superfamily homologous superfamily10 — Trypsin-like serine proteases
Domain ID domain_id4dy7F01
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_id4dy7F02
Class class2 — Mainly Beta
Architecture architecture30 — Roll
Topology topology39 — Alpha-1-antitrypsin; domain 1
Homologous superfamily homologous superfamily10 — Alpha-1-antitrypsin, domain 1

8. Citations (1)

9. Files and Curves (10)