6akn

X-ray Crystal Structure of Pseudoazurin Met16Leu Variant

Method: X-RAY DIFFRACTION Dmax: 63.1 Å Quality: GOOD

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

Pseudoazurin

Achromobacter cycloclastes

UniProt P19567

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 29–152 Fragment:UNP residues 29-152 Mutation:M16L CU COPPER (II) ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.5;298 K;0.1M Tris-HCl (pH 7.5), 32 % PEG4000 Resolution 1.19 Å R-free 0.130
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 29–152 Fragment:UNP residues 29-152 Mutation:M16L CU COPPER (II) ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.5;298 K;0.1M Tris-HCl (pH 7.5), 32 % PEG4000 Resolution 1.19 Å R-free 0.130

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.

20 other PDB entries and 33 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name AZUP_ACHCY
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–124; UniProt 29–152 Author chain B; PDBConstruct 1–124; UniProt 29–152

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 6akn

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 6akn
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2. Structure Basics 2. Structure Basics

Entry ID entry_id6akn
Deposition date deposition_date2018-09-03
Structure title titleX-ray Crystal Structure of Pseudoazurin Met16Leu Variant
Keywords keywordsELECTRON TRANSPORT; ELECTRON TRANSPORT
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier19.86
Radius of gyration Rg (electron density) rg_electron19.18
Forward intensity I(0) i012118000.00
Molecular weight molecular_weight26123.0 kDa
Excluded volume excluded_volume32756 ų
Envelope volume envelope_volume38271 ų
Hydration-shell volume shell_volume17258 ų
Envelope diameter envelope_diameter66.6
Shell Rg shell_rg24.42
Envelope Rg envelope_rg19.07
Shape Rg shape_rg19.18
Total Rg total_rg19.96
Total atoms total_atoms3664
Residues n_residues248
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 dmax63.1
Rg (real space) rg_real19.84
Rg uncertainty (real space) rg_real_error0.43
I(0) (real space) i0_real1.2120e+07
I(0) uncertainty (real space) i0_real_error1.5970e+05
Rg (reciprocal space) rg_reciprocal19.84
I(0) (reciprocal space) i0_reciprocal12120000.0000
Solution quality estimate total_estimate0.8200
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary24.0
Skewness Skewness skewness0.286
Kurtosis Kurtosis kurtosis-0.463
Angular range angular_range— – 0.4000 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha1875000.0000
Real-space data points n_real_points72
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.893; Stabil: 0.997; Sysdev: 1.000; Positv: 1.000; Valcen: 0.984; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd6akna_
Class classb — All beta proteins
Fold Fold foldb.6 — Cupredoxin-like
Superfamily Superfamily superfamilyb.6.1 — Cupredoxins
Family Family familyb.6.1.1 — Plastocyanin/azurin-like
Domain ID domain_idd6aknb_
Class classb — All beta proteins
Fold Fold foldb.6 — Cupredoxin-like
Superfamily Superfamily superfamilyb.6.1 — Cupredoxins
Family Family familyb.6.1.1 — Plastocyanin/azurin-like

CATH v4.4 (2 domains)

Domain ID domain_id6aknA00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily420 — Cupredoxins - blue copper proteins
Domain ID domain_id6aknB00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily420 — Cupredoxins - blue copper proteins

8. Citations (1)

9. Files and Curves (10)