REGULATOR FROM ESCHERICHIA COLI

Method: X-RAY DIFFRACTION D_max: 87.3 Å Quality: EXCELLENT

SAXS Profile

P(r) Distribution

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1. Structure Basics

entry_id	1b9m
deposition_date	1999-02-12
title	REGULATOR FROM ESCHERICHIA COLI
keywords	DNA-BINDING, GENE REGULATION, WINGED HELIX TURN HELIX, MOLYBDATE, OB FOLD, TRANSCRIPTION; TRANSCRIPTION
method	X-RAY DIFFRACTION

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Download Data

SAXS curve (.dat) P(r) distribution (.pr.out) Structure (CIF)

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2. SAXS Parameters (CRYSOL)

rg_guinier	27.98 Å
rg_electron	26.83 Å
i0	51117100.00
molecular_weight	54949.0 kDa
excluded_volume	68651 Å³
envelope_volume	87087 Å³
shell_volume	27824 Å³
envelope_diameter	89.5 Å
shell_rg	33.14 Å
envelope_rg	26.85 Å
shape_rg	26.84 Å
total_rg	27.52 Å
total_atoms	3841
n_residues	499
n_harmonics	20
q_range	— – 0.5000 Å⁻¹
n_points	101
shell_type	directional
solvent_density	0.3340 e/Å³
contrast_shell	0.0300 e/Å³
crysol_version	4.1.3

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3. P(r) Analysis (GNOM)

dmax	87.3 Å
rg_real	27.95 Å
rg_real_error	0.45 Å
i0_real	5.1120e+07
i0_real_error	7.3600e+05
rg_reciprocal	27.96 Å
i0_reciprocal	51120000.0000
total_estimate	0.9057
solution_quality	EXCELLENT a EXCELLENT solution
n_peaks	2
r_peak_primary	35.2 Å
skewness	0.266
kurtosis	-0.503
angular_range	— – 0.2850 Å⁻¹
current_alpha	0.0000
highest_alpha	9893000.0000
n_real_points	58
gnom_version	4.1.3
quality_criteria	AN1: 0.000; Oscil: 0.956; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.995; Smooth: 0.908

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4. Crystallography & Experiment

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5. Entities & Polymer Info (3)

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6. Citations (3)

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length_a	81.610 Å
length_b	127.240 Å
length_c	62.990 Å
angle_alpha	90.00 °
angle_beta	90.00 °
angle_gamma	90.00 °
z_pdb	8

space_group	P 21 21 2
int_tables_number	18
crystal_system	—

resolution	1.750 Å
resolution_low	24.150 Å
r_factor	—
r_work	0.2340
r_free	0.2790

description	PROTEIN (MODE)
formula_weight	28731.1 kDa
src_method	man
entity_count	2

type	polypeptide(L)
strand_id	A,B
atom_count	4284

REGULATOR FROM ESCHERICHIA COLI

SAXS Profile

P(r) Distribution

1. Structure Basics

Download Data

2. SAXS Parameters (CRYSOL)

3. P(r) Analysis (GNOM)

4. Crystallography & Experiment

Unit Cell

Symmetry

Refinement

Diffraction

5. Entities & Polymer Info (3)

Entity 1 polymer

Polymer

Source

Entity 2 non-polymer

Entity 3 water

6. Citations (3)

7. Files & Curves (10)

Files (7)

Curves (3)

organism	Escherichia coli
ncbi_taxonomy_id	562
host_organism	Escherichia coli

description	NICKEL (II) ION
formula_weight	58.7 kDa
src_method	syn
entity_count	1

description	water
formula_weight	18.0 kDa
src_method	nat
entity_count	426

fit	/app/data/saxs_computation/b9/1b9m/1b9m.fit
pddf	/app/data/pr_computation/b9/1b9m/1b9m.pr.out
profile	/app/data/saxs_computation/b9/1b9m/1b9m.dat