1zjd

Crystal Structure of the Catalytic Domain of Coagulation Factor XI in Complex with Kunitz Protease Inhibitor Domain of Protease Nexin II

Method: X-RAY DIFFRACTION Dmax: 72.1 Å Quality: GOOD

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

Catalytic Domain of Coagulation Factor XI

Homo sapiens

UniProt P03951

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 × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 388–624 Fragment:Catalytic Domain Mutation:S434A, T475A, C482S Kunitz Protease Inhibitory Domain of Protease Nexin II × 1 (P05067) X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;283 K;Sodium Formate, VAPOR DIFFUSION, HANGING DROP, temperature 283K Resolution 2.60 Å R-free 0.255

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.

113 other PDB entries and 120 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name FA11_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–237; UniProt 388–624

Kunitz Protease Inhibitory Domain of Protease Nexin II

Homo sapiens

UniProt P05067

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 × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain B; UniProt 289–345 Fragment:Inhibitory Domain Catalytic Domain of Coagulation Factor XI × 1 (P03951) X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;283 K;Sodium Formate, VAPOR DIFFUSION, HANGING DROP, temperature 283K Resolution 2.60 Å R-free 0.255

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.

211 other PDB entries and 282 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name A4_HUMAN
Isoform
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 1–57; UniProt 289–345

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 1zjd

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id1zjd
Deposition date deposition_date2005-04-28
Structure title titleCrystal Structure of the Catalytic Domain of Coagulation Factor XI in Complex with Kunitz Protease Inhibitor Domain of Protease Nexin II
Keywords keywordsCoagulation Factor XI; Kunitz Protease Inhibitory Domain; Nexin II, HYDROLASE, BLOOD CLOTTING; HYDROLASE, BLOOD CLOTTING
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier20.03
Radius of gyration Rg (electron density) rg_electron18.92
Forward intensity I(0) i020004800.00
Molecular weight molecular_weight32930.0 kDa
Excluded volume excluded_volume40798 ų
Envelope volume envelope_volume47518 ų
Hydration-shell volume shell_volume20696 ų
Envelope diameter envelope_diameter72.7
Shell Rg shell_rg25.70
Envelope Rg envelope_rg19.58
Shape Rg shape_rg18.90
Total Rg total_rg19.93
Total atoms total_atoms2312
Residues n_residues276
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 dmax72.1
Rg (real space) rg_real19.97
Rg uncertainty (real space) rg_real_error0.61
I(0) (real space) i0_real2.0000e+07
I(0) uncertainty (real space) i0_real_error2.5710e+05
Rg (reciprocal space) rg_reciprocal19.98
I(0) (reciprocal space) i0_reciprocal20000000.0000
Solution quality estimate total_estimate0.8427
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary25.8
Skewness Skewness skewness0.307
Kurtosis Kurtosis kurtosis-0.149
Angular range angular_range— – 0.3950 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha6215000.0000
Real-space data points n_real_points71
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.658; Stabil: 0.999; Sysdev: 1.000; Positv: 1.000; Valcen: 0.986; Smooth: 0.993

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 5 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd1zjda1
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_idd1zjdb_
Class classg — Small proteins
Fold Fold foldg.8 — BPTI-like
Superfamily Superfamily superfamilyg.8.1 — BPTI-like
Family Family familyg.8.1.1 — Small Kunitz-type inhibitors & BPTI-like toxins

CATH v4.4 (3 domains)

Domain ID domain_id1zjdA01
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology10 — Thrombin, subunit H
Homologous superfamily homologous superfamily10 — Trypsin-like serine proteases
Domain ID domain_id1zjdA02
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology10 — Thrombin, subunit H
Homologous superfamily homologous superfamily10 — Trypsin-like serine proteases
Domain ID domain_id1zjdB00
Class class4 — Few Secondary Structures
Architecture architecture10 — Irregular
Topology topology410 — Factor Xa Inhibitor
Homologous superfamily homologous superfamily10 — Pancreatic trypsin inhibitor Kunitz domain

8. Citations (2)

9. Files and Curves (10)