1m6t

CRYSTAL STRUCTURE OF B562RIL, A REDESIGNED FOUR HELIX BUNDLE

Method: X-RAY DIFFRACTION Dmax: 52.5 Å Quality: GOOD

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 monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 23–128 Mutation:M7W,H102I,R106L SO4 SULFATE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 9;298 K;3.2 M NH4(SO4), 2.44 mM N-octanoylsucrose, 0.1 M Bicine, pH 9.0, VAPOR DIFFUSION, SITTING DROP, temperature 298K Resolution 1.81 Å R-free 0.248

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_ECOLI
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; 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 1m6t

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1m6t
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2. Structure Basics 2. Structure Basics

Entry ID entry_id1m6t
Deposition date deposition_date2002-07-17
Structure title titleCRYSTAL STRUCTURE OF B562RIL, A REDESIGNED FOUR HELIX BUNDLE
Keywords keywordsprotein design, 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_guinier15.31
Radius of gyration Rg (electron density) rg_electron14.35
Forward intensity I(0) i03015390.00
Molecular weight molecular_weight11860.0 kDa
Excluded volume excluded_volume14713 ų
Envelope volume envelope_volume16623 ų
Hydration-shell volume shell_volume10514 ų
Envelope diameter envelope_diameter49.4
Shell Rg shell_rg19.16
Envelope Rg envelope_rg14.64
Shape Rg shape_rg14.32
Total Rg total_rg15.41
Total atoms total_atoms832
Residues n_residues106
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 dmax52.5
Rg (real space) rg_real15.36
Rg uncertainty (real space) rg_real_error0.37
I(0) (real space) i0_real3.0150e+06
I(0) uncertainty (real space) i0_real_error4.0370e+04
Rg (reciprocal space) rg_reciprocal15.35
I(0) (reciprocal space) i0_reciprocal3015000.0000
Solution quality estimate total_estimate0.8550
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary16.6
Skewness Skewness skewness0.455
Kurtosis Kurtosis kurtosis-0.120
Angular range angular_range— – 0.5000 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha573900.0000
Real-space data points n_real_points80
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.727; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.942; Smooth: 0.988

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd1m6ta_
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

CATH v4.4 (1 domains)

Domain ID domain_id1m6tA00
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology120 — Four Helix Bundle (Hemerythrin (Met), subunit A)
Homologous superfamily homologous superfamily10 — Cytochrome c/b562

8. Citations (1)

9. Files and Curves (10)