3vh9

Crystal structure of Aeromonas proteolytica aminopeptidase complexed with 8-quinolinol

Method: X-RAY DIFFRACTION Dmax: 56.3 Å Quality: REASONABLE

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

Bacterial leucyl aminopeptidase

OrganismNot specified

UniProt Q01693

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 monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 107–405 Fragment:UNP RESIDUES 107-405 ZN ZINC ION × 2 HQY quinolin-8-ol × 1 NA SODIUM ION × 9 CL CHLORIDE ION × 9 SCN THIOCYANATE ION × 2 GOL GLYCEROL × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 8;293 K;100mM Tris-HCl, 100mM KSCN, 4.5M NaCl, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K Resolution 1.29 Å R-free 0.153

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.

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

View Construct and Data Evidence
UniProt name AMPX_VIBPR
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–299; UniProt 107–405

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 3vh9

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 3vh9
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2. Structure Basics 2. Structure Basics

Entry ID entry_id3vh9
Deposition date deposition_date2011-08-24
Structure title titleCrystal structure of Aeromonas proteolytica aminopeptidase complexed with 8-quinolinol
Keywords keywords8-Quinolinol, Dinuclear zinc hydrolases, Aminopeptidase, 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_guinier18.41
Radius of gyration Rg (electron density) rg_electron17.26
Forward intensity I(0) i019420700.00
Molecular weight molecular_weight32383.0 kDa
Excluded volume excluded_volume39761 ų
Envelope volume envelope_volume42584 ų
Hydration-shell volume shell_volume19881 ų
Envelope diameter envelope_diameter56.3
Shell Rg shell_rg24.23
Envelope Rg envelope_rg17.55
Shape Rg shape_rg17.22
Total Rg total_rg18.26
Total atoms total_atoms2253
Residues n_residues291
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 dmax56.3
Rg (real space) rg_real18.27
Rg uncertainty (real space) rg_real_error0.20
I(0) (real space) i0_real1.9420e+07
I(0) uncertainty (real space) i0_real_error2.0630e+05
Rg (reciprocal space) rg_reciprocal18.29
I(0) (reciprocal space) i0_reciprocal19420000.0000
Solution quality estimate total_estimate0.6882
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary23.9
Skewness Skewness skewness0.070
Kurtosis Kurtosis kurtosis-0.467
Angular range angular_range— – 0.4300 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha5512000.0000
Real-space data points n_real_points74
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.902; Stabil: 1.000; Sysdev: 0.090; Positv: 1.000; Valcen: 0.977; Smooth: 0.989

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (8)

7. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd3vh9a_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.56 — Phosphorylase/hydrolase-like
Superfamily Superfamily superfamilyc.56.5 — Zn-dependent exopeptidases
Family Family familyc.56.5.4 — Bacterial dinuclear zinc exopeptidases

CATH v4.4 (1 domains)

Domain ID domain_id3vh9A00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology630 — Aminopeptidase
Homologous superfamily homologous superfamily10 — Zn peptidases

8. Citations (1)

9. Files and Curves (10)