6ai5

Disulfide-free, Zn-directed tetramer of the engineered cyt cb562 variant, C96T/A104AB3

Method: X-RAY DIFFRACTION Dmax: 65.2 Å Quality: EXCELLENT

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

Soluble cytochrome b562

Escherichia coli

UniProt P0ABE7

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 homooligomer Homooligomer Protein × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain A; UniProt 23–128 Chain C; UniProt 23–128 Chain E; UniProt 23–128 Chain G; UniProt 23–128 Mutation:C96T/A104AB3 HEM PROTOPORPHYRIN IX CONTAINING FE × 4 ZN ZINC ION × 8 CL CHLORIDE ION × 5 MG MAGNESIUM ION × 4 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;298 K;12.5% PEG 3350, pH 7.5, 0.2 M MgCl2 Resolution 1.81 Å R-free 0.209

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.

714 other PDB entries and 822 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name C562_ECOLX
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–106; UniProt 23–128 Author chain C; PDBConstruct 1–106; UniProt 23–128 Author chain E; PDBConstruct 1–106; UniProt 23–128 Author chain G; PDBConstruct 1–106; UniProt 23–128

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 6ai5

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 6ai5
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2. Structure Basics 2. Structure Basics

Entry ID entry_id6ai5
Deposition date deposition_date2018-08-21
Structure title titleDisulfide-free, Zn-directed tetramer of the engineered cyt cb562 variant, C96T/A104AB3
Keywords keywordsde novo protein, ELECTRON TRANSPORT; ELECTRON TRANSPORT
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier22.11
Radius of gyration Rg (electron density) rg_electron21.00
Forward intensity I(0) i047412600.00
Molecular weight molecular_weight50264.0 kDa
Excluded volume excluded_volume61292 ų
Envelope volume envelope_volume71778 ų
Hydration-shell volume shell_volume27413 ų
Envelope diameter envelope_diameter65.9
Shell Rg shell_rg28.67
Envelope Rg envelope_rg21.11
Shape Rg shape_rg20.99
Total Rg total_rg21.84
Total atoms total_atoms3489
Residues n_residues424
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 dmax65.2
Rg (real space) rg_real21.89
Rg uncertainty (real space) rg_real_error0.26
I(0) (real space) i0_real4.7410e+07
I(0) uncertainty (real space) i0_real_error5.8700e+05
Rg (reciprocal space) rg_reciprocal21.93
I(0) (reciprocal space) i0_reciprocal47410000.0000
Solution quality estimate total_estimate0.9046
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary64.2
Skewness Skewness skewness0.058
Kurtosis Kurtosis kurtosis-0.468
Angular range angular_range— – 0.3600 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha13290000.0000
Real-space data points n_real_points68
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.931; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.970; Smooth: 0.994

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (6)

7. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (4 domains)

Domain ID domain_idd6ai5a_
Class classa — All alpha proteins
Fold Fold folda.24 — Four-helical up-and-down bundle
Superfamily Superfamily superfamilya.24.3 — Cytochromes
Family Family familya.24.3.1 — Cytochrome b562
Domain ID domain_idd6ai5c_
Class classa — All alpha proteins
Fold Fold folda.24 — Four-helical up-and-down bundle
Superfamily Superfamily superfamilya.24.3 — Cytochromes
Family Family familya.24.3.1 — Cytochrome b562
Domain ID domain_idd6ai5e_
Class classa — All alpha proteins
Fold Fold folda.24 — Four-helical up-and-down bundle
Superfamily Superfamily superfamilya.24.3 — Cytochromes
Family Family familya.24.3.1 — Cytochrome b562
Domain ID domain_idd6ai5g_
Class classa — All alpha proteins
Fold Fold folda.24 — Four-helical up-and-down bundle
Superfamily Superfamily superfamilya.24.3 — Cytochromes
Family Family familya.24.3.1 — Cytochrome b562

8. Citations (1)

9. Files and Curves (10)