9i2h

A 3.3 angstrom cryo-EM structure of an engineered high-affinity human prothrombinase complex

Method: ELECTRON MICROSCOPY Dmax: 125.8 Å Quality: GOOD

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

Activated factor Xa heavy chain

Homo sapiens

UniProt P00742

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 4 PDB declaration: pentameric(5) Count mismatch; review required Chain H; UniProt 235–488 Chain L; UniProt 41–179 Mutation:E129N, S130E, T132K, K134D, N166H, K169M, S173D, I175R, A233R, D239K Mutation:S90R, L91A, D92F, H101K, E102R, E103V, N105S Coagulation factor V heavy chain × 1 (P12259) Coagulation factor V light chain × 1 (P12259) ;alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose ; × 1 ;alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ; × 1 ;alpha-D-mannopyranose-(1-6)-alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)-alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ; × 1 alpha-L-fucopyranose-(1-6)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 CA CALCIUM ION × 2 NA SODIUM ION × 1 0GJ L-alpha-glutamyl-N-{(1S)-4-{[amino(iminio)methyl]amino}-1-[(1S)-2-chloro-1-hydroxyethyl]butyl}glycinamide × 1 CU COPPER (II) ION × 1 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.5;20mM HEPES, 150mM NaCl and 5mM CaCl2 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.28 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.

183 other PDB entries and 220 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name FA10_HUMAN
Isoform
PDB entities 1, 2
Chains and sequence ranges Author chain H; PDBConstruct 1–254; UniProt 235–488 Author chain L; PDBConstruct 1–139; UniProt 41–179

Coagulation factor V heavy chain

Homo sapiens

UniProt P12259

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 4 PDB declaration: pentameric(5) Count mismatch; review required Chain A; UniProt 29–737 Chain B; UniProt 1574–2224 Non-standard monomer:Yes (specific site not provided by mmCIF) Activated factor Xa heavy chain × 1 (P00742) Factor X light chain × 1 (P00742) ;alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose ; × 1 ;alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ; × 1 ;alpha-D-mannopyranose-(1-6)-alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)-alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ; × 1 alpha-L-fucopyranose-(1-6)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 CA CALCIUM ION × 2 NA SODIUM ION × 1 0GJ L-alpha-glutamyl-N-{(1S)-4-{[amino(iminio)methyl]amino}-1-[(1S)-2-chloro-1-hydroxyethyl]butyl}glycinamide × 1 CU COPPER (II) ION × 1 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.5;20mM HEPES, 150mM NaCl and 5mM CaCl2 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.28 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.

16 other PDB entries and 21 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name FA5_HUMAN
Isoform
PDB entities 3, 4
Chains and sequence ranges Author chain A; PDBConstruct 1–709; UniProt 29–737 Author chain B; PDBConstruct 1–651; UniProt 1574–2224

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 9i2h

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 9i2h
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2. Structure Basics 2. Structure Basics

Entry ID entry_id9i2h
Deposition date deposition_date2025-01-20
Structure title titleA 3.3 angstrom cryo-EM structure of an engineered high-affinity human prothrombinase complex
Keywords keywordsenzyme, complex, prothrombinase, BLOOD CLOTTING; BLOOD CLOTTING
Experimental Method methodELECTRON MICROSCOPY

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

Radius of gyration Rg (Guinier) rg_guinier39.34
Radius of gyration Rg (electron density) rg_electron38.86
Forward intensity I(0) i01157120000.00
Molecular weight molecular_weight184440.0 kDa
Excluded volume excluded_volume177590 ų
Envelope volume envelope_volume318150 ų
Hydration-shell volume shell_volume66217 ų
Envelope diameter envelope_diameter138.6
Shell Rg shell_rg46.01
Envelope Rg envelope_rg39.14
Shape Rg shape_rg38.85
Total Rg total_rg39.15
Total atoms total_atoms13917
Residues n_residues1691
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 dmax125.8
Rg (real space) rg_real39.19
Rg uncertainty (real space) rg_real_error0.82
I(0) (real space) i0_real1.1570e+09
I(0) uncertainty (real space) i0_real_error2.1730e+07
Rg (reciprocal space) rg_reciprocal39.29
I(0) (reciprocal space) i0_reciprocal1157000000.0000
Solution quality estimate total_estimate0.8989
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary47.2
Skewness Skewness skewness0.220
Kurtosis Kurtosis kurtosis-0.516
Angular range angular_range— – 0.2000 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha102700000.0000
Real-space data points n_real_points41
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.927; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.998; Smooth: 0.904

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (12)

8. Citations (1)

9. Files and Curves (10)