CRYSTAL STRUCTURE OF A BACTERIAL CHITINASE AT 2.3 ANGSTROMS RESOLUTION

Method: X-RAY DIFFRACTION D_max: 104.1 Å Quality: GOOD

SAXS Profile

P(r) Distribution

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1. Structure Basics

entry_id	1ctn
deposition_date	1994-10-10
title	CRYSTAL STRUCTURE OF A BACTERIAL CHITINASE AT 2.3 ANGSTROMS RESOLUTION
keywords	LYASE (OXO-ACID); LYASE (OXO-ACID)
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	27.36 Å
rg_electron	26.72 Å
i0	55049600.00
molecular_weight	58364.0 kDa
excluded_volume	73020 Å³
envelope_volume	85379 Å³
shell_volume	28638 Å³
envelope_diameter	108.1 Å
shell_rg	31.79 Å
envelope_rg	27.12 Å
shape_rg	26.70 Å
total_rg	27.26 Å
total_atoms	4122
n_residues	538
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	104.1 Å
rg_real	27.68 Å
rg_real_error	1.18 Å
i0_real	5.5050e+07
i0_real_error	8.7900e+05
rg_reciprocal	27.58 Å
i0_reciprocal	55050000.0000
total_estimate	0.7824
solution_quality	GOOD a GOOD solution
n_peaks	2
r_peak_primary	30.5 Å
skewness	0.725
kurtosis	0.355
angular_range	— – 0.2900 Å⁻¹
current_alpha	0.0000
highest_alpha	13720000.0000
n_real_points	59
gnom_version	4.1.3
quality_criteria	AN1: 0.000; Oscil: 0.477; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.756; Smooth: 0.981

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4. Crystallography & Experiment

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5. Entities & Polymer Info (2)

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6. Citations (3)

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length_a	203.100 Å
length_b	133.900 Å
length_c	59.900 Å
angle_alpha	90.00 °
angle_beta	90.00 °
angle_gamma	90.00 °
z_pdb	8

space_group	C 2 2 21
int_tables_number	20
crystal_system	—

resolution	2.300 Å
resolution_low	10.000 Å
r_factor	0.1620
r_work	0.1620
r_free	—

description	CHITINASE A
formula_weight	58669.6 kDa
ec_number	3.2.1.14
src_method	man
entity_count	1

type	polypeptide(L)
strand_id	A
atom_count	4454

CRYSTAL STRUCTURE OF A BACTERIAL CHITINASE AT 2.3 ANGSTROMS RESOLUTION

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

5. Entities & Polymer Info (2)

Entity 1 polymer

Polymer

Source

Entity 2 water

6. Citations (3)

7. Files & Curves (10)

Files (7)

Curves (3)

description	water
formula_weight	18.0 kDa
src_method	nat
entity_count	332

fit	/app/data/saxs_computation/ct/1ctn/1ctn.fit
pddf	/app/data/pr_computation/ct/1ctn/1ctn.pr.out
profile	/app/data/saxs_computation/ct/1ctn/1ctn.dat

organism	Serratia marcescens
ncbi_taxonomy_id	615