1qaw

Regulatory Features of the TRP Operon and the Crystal Structure of the TRP RNA-Binding Attenuation Protein from Bacillus Stearothermophilus.

Method: X-RAY DIFFRACTION Dmax: 88.4 Å Quality: EXCELLENT

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

TRP RNA-BINDING ATTENUATION PROTEIN

Geobacillus stearothermophilus

UniProt Q9X6J6

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 × 11 PDB declaration: undecameric(11) Consistent with protein copy count Chain A; UniProt 1–74 Chain B; UniProt 1–74 Chain C; UniProt 1–74 Chain D; UniProt 1–74 Chain E; UniProt 1–74 Chain F; UniProt 1–74 Chain G; UniProt 1–74 Chain H; UniProt 1–74 Chain I; UniProt 1–74 Chain J; UniProt 1–74 Chain K; UniProt 1–74 Not recorded TRP TRYPTOPHAN × 11 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.8;291 K;L-tryptophan, K-Phosphate, Na-Phosphate, PEG 2000 monomethyl ether, pH 7.8, VAPOR DIFFUSION, HANGING DROP, temperature 291K Resolution 2.50 Å R-free 0.299

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.

27 other PDB entries and 49 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name MTRB_BACST
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–74; UniProt 1–74 Author chain B; PDBConstruct 1–74; UniProt 1–74 Author chain C; PDBConstruct 1–74; UniProt 1–74 Author chain D; PDBConstruct 1–74; UniProt 1–74 Author chain E; PDBConstruct 1–74; UniProt 1–74 Author chain F; PDBConstruct 1–74; UniProt 1–74 Author chain G; PDBConstruct 1–74; UniProt 1–74 Author chain H; PDBConstruct 1–74; UniProt 1–74 Author chain I; PDBConstruct 1–74; UniProt 1–74 Author chain J; PDBConstruct 1–74; UniProt 1–74 Author chain K; PDBConstruct 1–74; UniProt 1–74

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 1qaw

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id1qaw
Deposition date deposition_date1999-03-31
Structure title titleRegulatory Features of the TRP Operon and the Crystal Structure of the TRP RNA-Binding Attenuation Protein from Bacillus Stearothermophilus.
Keywords keywordsCIRCULAR ASSEMBLY, 11-FOLD SYMMETRY, RNA-BINDING PROTEIN, RNA BINDING PROTEIN; RNA BINDING PROTEIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier31.01
Radius of gyration Rg (electron density) rg_electron29.89
Forward intensity I(0) i0115209000.00
Molecular weight molecular_weight84724.0 kDa
Excluded volume excluded_volume106170 ų
Envelope volume envelope_volume134050 ų
Hydration-shell volume shell_volume35374 ų
Envelope diameter envelope_diameter90.8
Shell Rg shell_rg39.24
Envelope Rg envelope_rg29.28
Shape Rg shape_rg29.86
Total Rg total_rg30.88
Total atoms total_atoms5992
Residues n_residues749
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 dmax88.4
Rg (real space) rg_real30.83
Rg uncertainty (real space) rg_real_error0.46
I(0) (real space) i0_real1.1520e+08
I(0) uncertainty (real space) i0_real_error1.7410e+06
Rg (reciprocal space) rg_reciprocal30.91
I(0) (reciprocal space) i0_reciprocal115200000.0000
Solution quality estimate total_estimate0.9086
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary46.8
Skewness Skewness skewness-0.001
Kurtosis Kurtosis kurtosis-0.829
Angular range angular_range— – 0.2550 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha62780000.0000
Real-space data points n_real_points52
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.979; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 1.000; Smooth: 0.870

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 22 domains

SCOP 2.08 (11 domains)

Domain ID domain_idd1qawa_
Class classb — All beta proteins
Fold Fold foldb.82 — Double-stranded beta-helix
Superfamily Superfamily superfamilyb.82.5 — TRAP-like
Family Family familyb.82.5.1 — Trp RNA-binding attenuation protein (TRAP)
Domain ID domain_idd1qawb_
Class classb — All beta proteins
Fold Fold foldb.82 — Double-stranded beta-helix
Superfamily Superfamily superfamilyb.82.5 — TRAP-like
Family Family familyb.82.5.1 — Trp RNA-binding attenuation protein (TRAP)
Domain ID domain_idd1qawc_
Class classb — All beta proteins
Fold Fold foldb.82 — Double-stranded beta-helix
Superfamily Superfamily superfamilyb.82.5 — TRAP-like
Family Family familyb.82.5.1 — Trp RNA-binding attenuation protein (TRAP)
Domain ID domain_idd1qawd_
Class classb — All beta proteins
Fold Fold foldb.82 — Double-stranded beta-helix
Superfamily Superfamily superfamilyb.82.5 — TRAP-like
Family Family familyb.82.5.1 — Trp RNA-binding attenuation protein (TRAP)
Domain ID domain_idd1qawe_
Class classb — All beta proteins
Fold Fold foldb.82 — Double-stranded beta-helix
Superfamily Superfamily superfamilyb.82.5 — TRAP-like
Family Family familyb.82.5.1 — Trp RNA-binding attenuation protein (TRAP)
Domain ID domain_idd1qawf_
Class classb — All beta proteins
Fold Fold foldb.82 — Double-stranded beta-helix
Superfamily Superfamily superfamilyb.82.5 — TRAP-like
Family Family familyb.82.5.1 — Trp RNA-binding attenuation protein (TRAP)
Domain ID domain_idd1qawg_
Class classb — All beta proteins
Fold Fold foldb.82 — Double-stranded beta-helix
Superfamily Superfamily superfamilyb.82.5 — TRAP-like
Family Family familyb.82.5.1 — Trp RNA-binding attenuation protein (TRAP)
Domain ID domain_idd1qawh_
Class classb — All beta proteins
Fold Fold foldb.82 — Double-stranded beta-helix
Superfamily Superfamily superfamilyb.82.5 — TRAP-like
Family Family familyb.82.5.1 — Trp RNA-binding attenuation protein (TRAP)
Domain ID domain_idd1qawi_
Class classb — All beta proteins
Fold Fold foldb.82 — Double-stranded beta-helix
Superfamily Superfamily superfamilyb.82.5 — TRAP-like
Family Family familyb.82.5.1 — Trp RNA-binding attenuation protein (TRAP)
Domain ID domain_idd1qawj_
Class classb — All beta proteins
Fold Fold foldb.82 — Double-stranded beta-helix
Superfamily Superfamily superfamilyb.82.5 — TRAP-like
Family Family familyb.82.5.1 — Trp RNA-binding attenuation protein (TRAP)
Domain ID domain_idd1qawk_
Class classb — All beta proteins
Fold Fold foldb.82 — Double-stranded beta-helix
Superfamily Superfamily superfamilyb.82.5 — TRAP-like
Family Family familyb.82.5.1 — Trp RNA-binding attenuation protein (TRAP)

CATH v4.4 (11 domains)

Domain ID domain_id1qawA00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily50 — TRAP-like
Domain ID domain_id1qawB00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily50 — TRAP-like
Domain ID domain_id1qawC00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily50 — TRAP-like
Domain ID domain_id1qawD00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily50 — TRAP-like
Domain ID domain_id1qawE00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily50 — TRAP-like
Domain ID domain_id1qawF00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily50 — TRAP-like
Domain ID domain_id1qawG00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily50 — TRAP-like
Domain ID domain_id1qawH00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily50 — TRAP-like
Domain ID domain_id1qawI00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily50 — TRAP-like
Domain ID domain_id1qawJ00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily50 — TRAP-like
Domain ID domain_id1qawK00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily50 — TRAP-like

8. Citations (3)

9. Files and Curves (10)