1qjj

Structure of astacin with a hydroxamic acid inhibitor

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

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

ASTACIN

OrganismNot specified

UniProt P07584

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 50–249 Fragment:CATALYTIC DOMAIN PRO-LEU-GLY-HYDROXAMIC ACID × 1 ZN ZINC ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7;HANGING DROP VAPOUR DIFFUSION PH 7.0, 1M AMMONIUM SULFATE Resolution 1.86 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.

10 other PDB entries and 12 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name ASTA_ASTFL
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–200; UniProt 50–249

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 1qjj

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id1qjj
Deposition date deposition_date1999-06-24
Structure title titleStructure of astacin with a hydroxamic acid inhibitor
Keywords keywordsMETALLOPROTEINASE, ASTACINS, METZINCINS, 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_guinier17.48
Radius of gyration Rg (electron density) rg_electron16.51
Forward intensity I(0) i010070900.00
Molecular weight molecular_weight22954.0 kDa
Excluded volume excluded_volume28328 ų
Envelope volume envelope_volume31527 ų
Hydration-shell volume shell_volume16046 ų
Envelope diameter envelope_diameter58.6
Shell Rg shell_rg22.50
Envelope Rg envelope_rg16.74
Shape Rg shape_rg16.52
Total Rg total_rg17.42
Total atoms total_atoms1959
Residues n_residues203
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_real17.70
Rg uncertainty (real space) rg_real_error0.10
I(0) (real space) i0_real9.9080e+06
I(0) uncertainty (real space) i0_real_error8.9800e+04
Rg (reciprocal space) rg_reciprocal17.40
I(0) (reciprocal space) i0_reciprocal10070000.0000
Solution quality estimate total_estimate0.6816
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary21.0
Skewness Skewness skewness0.310
Kurtosis Kurtosis kurtosis-0.168
Angular range angular_range— – 0.4550 −1
Current regularization parameter α current_alpha8.1450
Highest regularization parameter α highest_alpha1985000.0000
Real-space data points n_real_points76
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.874; Stabil: 0.931; Sysdev: 0.000; Positv: 1.000; Valcen: 0.999; Smooth: 0.483

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd1qjja_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.92 — Zincin-like
Superfamily Superfamily superfamilyd.92.1 — Metalloproteases ('zincins'), catalytic domain
Family Family familyd.92.1.8 — Astacin

CATH v4.4 (1 domains)

Domain ID domain_id1qjjA00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology390 — Collagenase (Catalytic Domain)
Homologous superfamily homologous superfamily10 — Collagenase (Catalytic Domain)

8. Citations (1)

9. Files and Curves (10)