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9r2z

RptR transcriptional repressor

Method: X-RAY DIFFRACTION D_max: 57.3 Å Quality: GOOD

SAXS Profile

P(r) Distribution

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1. Structure Basics

entry_id	9r2z
deposition_date	2025-05-01
last_revision	2025-07-23
title	RptR transcriptional repressor
keywords	Transcriptional regulator, DNA binding, repressor, helical, DNA BINDING PROTEIN; DNA BINDING PROTEIN
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	17.25 Å
rg_electron	15.89 Å
i0	6402140.00
molecular_weight	17916.0 kDa
excluded_volume	22279 Å³
envelope_volume	25406 Å³
shell_volume	13830 Å³
envelope_diameter	54.2 Å
shell_rg	21.42 Å
envelope_rg	16.09 Å
shape_rg	15.91 Å
total_rg	16.81 Å
total_atoms	1256
n_residues	157
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	57.3 Å
rg_real	17.20 Å
rg_real_error	0.29 Å
i0_real	6.4020e+06
i0_real_error	7.6590e+04
rg_reciprocal	17.21 Å
i0_reciprocal	6402000.0000
total_estimate	0.8813
solution_quality	GOOD a GOOD solution
n_peaks	1
r_peak_primary	19.6 Å
skewness	0.280
kurtosis	-0.321
angular_range	— – 0.4600 Å⁻¹
current_alpha	0.0001
highest_alpha	1223000.0000
n_real_points	77
gnom_version	4.1.3
quality_criteria	AN1: 0.000; Oscil: 0.820; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.997; Smooth: 0.995

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4. Crystallography & Experiment

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5. Entities & Polymer Info (3)

Entity 1 polymer

description	Transcription factor
formula_weight	8922.2 kDa
src_method	man
entity_count	1

Polymer

type	polypeptide(L)
strand_id	B
atom_count	1450

DEDEIYRHIRQALSSAPRNQYTVELHLQMIKYADKLEHITAKAFCEGTGLSQSLGTEFSKMRNLTRRLKAAGLNTDLL

Source

organism	Escherichia coli O127:H6 str. E2348/69
ncbi_taxonomy_id	574521
host_organism	Escherichia coli BL21(DE3)

Entity 2 polymer

description	Transcription factor
formula_weight	9053.3 kDa
src_method	man
entity_count	1

Polymer

type	polypeptide(L)
strand_id	A

MDEDEIYRHIRQALSSAPRNQYTVELHLQMIKYADKLEHITAKAFCEGTGLSQSLGTEFSKMRNLTRRLKAAGLNTDLL

Source

organism	Escherichia coli O127:H6 str. E2348/69
ncbi_taxonomy_id	574521
host_organism	Escherichia coli BL21(DE3)

Entity 3 water

description	water
formula_weight	18.0 kDa
src_method	nat
entity_count	194

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6. Citations (1)

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length_a	30.603 Å
length_b	41.541 Å
length_c	63.261 Å
angle_alpha	90.00 °
angle_beta	90.11 °
angle_gamma	90.00 °
z_pdb	2

space_group	P 1 21 1
int_tables_number	4
crystal_system	monoclinic

resolution	1.300 Å
resolution_low	34.720 Å
r_factor	0.1666
r_work	0.1651
r_free	0.1950

fit	/app/data/saxs_computation/r2/9r2z/9r2z.fit
pddf	/app/data/pr_computation/r2/9r2z/9r2z.pr.out
profile	/app/data/saxs_computation/r2/9r2z/9r2z.dat

RptR transcriptional repressor

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 polymer

Polymer

Source

Entity 3 water

6. Citations (1)

7. Files & Curves (10)

Files (7)

Curves (3)