4jpb

The structure of a ternary complex between CheA domains P4 and P5 with CheW and with an unzipped fragment of TM14, a chemoreceptor analog from Thermotoga maritima.

Method: X-RAY DIFFRACTION Dmax: 128.9 Å Quality: GOOD

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

Chemotaxis protein CheA

Thermotoga maritima

UniProt Q56310

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 × 6 PDB declaration: hexameric(6) Consistent with protein copy count Chain A; UniProt 355–671 Not recorded Chemotaxis protein CheW × 3 (Q56311) X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 8.5;298 K;Cubic shaped crystals (50x50x50 um3) were grown from a mixture of 520 uM Tm14s, 457 uM CheA 354 and 121 uM CheW after 1 month by vapor diffusion from a 2 ul drop (1:1 mixture of protein and reservoir: 500 ul reservoir of 0.2 M sodium acetate trihydrate, 0.1 M Tris (pH 8.5), 15% w/v polyethylene glycol 4,000), VAPOR DIFFUSION, HANGING DROP, temperature 298K Resolution 3.19 Å R-free 0.220

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 31 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name CHEA_THEMA
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 4–319; UniProt 355–671

Chemotaxis protein CheW

Thermotoga maritima

UniProt Q56311

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 × 6 PDB declaration: hexameric(6) Consistent with protein copy count Chain W; UniProt 1–147 Not recorded Chemotaxis protein CheA × 3 (Q56310) X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 8.5;298 K;Cubic shaped crystals (50x50x50 um3) were grown from a mixture of 520 uM Tm14s, 457 uM CheA 354 and 121 uM CheW after 1 month by vapor diffusion from a 2 ul drop (1:1 mixture of protein and reservoir: 500 ul reservoir of 0.2 M sodium acetate trihydrate, 0.1 M Tris (pH 8.5), 15% w/v polyethylene glycol 4,000), VAPOR DIFFUSION, HANGING DROP, temperature 298K Resolution 3.19 Å R-free 0.220

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.

3 other PDB entries and 4 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name CHEW_THEMA
Isoform
PDB entities 2
Chains and sequence ranges Author chain W; PDBConstruct 5–151; UniProt 1–147

Methyl-accepting chemotaxis protein

Thermotoga maritima

UniProt Q7DFA3

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
2 Protein homooligomer Homooligomer Protein × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain B; UniProt 107–192 Chain C; UniProt 107–192 Not recorded No other associated polymer X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 8.5;298 K;Cubic shaped crystals (50x50x50 um3) were grown from a mixture of 520 uM Tm14s, 457 uM CheA 354 and 121 uM CheW after 1 month by vapor diffusion from a 2 ul drop (1:1 mixture of protein and reservoir: 500 ul reservoir of 0.2 M sodium acetate trihydrate, 0.1 M Tris (pH 8.5), 15% w/v polyethylene glycol 4,000), VAPOR DIFFUSION, HANGING DROP, temperature 298K Resolution 3.19 Å R-free 0.220

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.

3 other PDB entries and 3 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name Q7DFA3_THEMA
Isoform
PDB entities 3
Chains and sequence ranges Author chain B; PDBConstruct 5–90; UniProt 107–192 Author chain C; PDBConstruct 5–90; UniProt 107–192

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 4jpb

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 4jpb
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2. Structure Basics 2. Structure Basics

Entry ID entry_id4jpb
Deposition date deposition_date2013-03-19
Structure title titleThe structure of a ternary complex between CheA domains P4 and P5 with CheW and with an unzipped fragment of TM14, a chemoreceptor analog from Thermotoga maritima.
Keywords keywordsTernary complex, Transmembrane Signaling Two component system Receptor, Histidine Kinase Adaptor protein, Membrane, IMMUNE SYSTEM; IMMUNE SYSTEM
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier35.48
Radius of gyration Rg (electron density) rg_electron35.11
Forward intensity I(0) i037296500.00
Molecular weight molecular_weight49053.0 kDa
Excluded volume excluded_volume62195 ų
Envelope volume envelope_volume90522 ų
Hydration-shell volume shell_volume25180 ų
Envelope diameter envelope_diameter135.7
Shell Rg shell_rg34.89
Envelope Rg envelope_rg35.91
Shape Rg shape_rg35.10
Total Rg total_rg35.14
Total atoms total_atoms3447
Residues n_residues440
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 dmax128.9
Rg (real space) rg_real35.78
Rg uncertainty (real space) rg_real_error1.57
I(0) (real space) i0_real3.7300e+07
I(0) uncertainty (real space) i0_real_error6.1630e+05
Rg (reciprocal space) rg_reciprocal35.60
I(0) (reciprocal space) i0_reciprocal37290000.0000
Solution quality estimate total_estimate0.7931
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary25.8
Skewness Skewness skewness0.394
Kurtosis Kurtosis kurtosis-0.556
Angular range angular_range— – 0.2250 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha3630000.0000
Real-space data points n_real_points46
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.648; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.460; Smooth: 0.903

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 5 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd4jpbw_
Class classb — All beta proteins
Fold Fold foldb.40 — OB-fold
Superfamily Superfamily superfamilyb.40.7 — CheW-like
Family Family familyb.40.7.1 — CheW-like

CATH v4.4 (4 domains)

Domain ID domain_id4jpbB00
Class class6 — Special
Architecture architecture10 — Helix non-globular
Topology topology250 — Single alpha-helices involved in coiled-coils or other helix-helix interfaces
Homologous superfamily homologous superfamily3200
Domain ID domain_id4jpbC00
Class class6 — Special
Architecture architecture10 — Helix non-globular
Topology topology250 — Single alpha-helices involved in coiled-coils or other helix-helix interfaces
Homologous superfamily homologous superfamily3200
Domain ID domain_id4jpbW01
Class class2 — Mainly Beta
Architecture architecture30 — Roll
Topology topology30 — SH3 type barrels.
Homologous superfamily homologous superfamily40 — SH3 Domains
Domain ID domain_id4jpbW02
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology50 — OB fold (Dihydrolipoamide Acetyltransferase, E2P)
Homologous superfamily homologous superfamily180 — CheA-289, Domain 4

8. Citations (1)

9. Files and Curves (10)