A COMMON PROTEIN FOLD AND SIMILAR ACTIVE SITE IN TWO DISTINCT FAMILIES OF BETA-GLYCANASES

Method: X-RAY DIFFRACTION D_max: 66.1 Å Quality: EXCELLENT

SAXS Profile

P(r) Distribution

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1. Structure Basics

entry_id	1cec
deposition_date	1995-06-07
title	A COMMON PROTEIN FOLD AND SIMILAR ACTIVE SITE IN TWO DISTINCT FAMILIES OF BETA-GLYCANASES
keywords	;GLYCOSYL HYDROLASE, CELLULASE, FAMILY A/5 OF CELLULASES/GLYCOSYL HYDROLASES, CLOSTRIDIUM THERMOCELLUM, ENDOGLUCANASE C, HYDROLASE (GLYCOSYL) ;; HYDROLASE (GLYCOSYL)
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	21.15 Å
rg_electron	19.98 Å
i0	25129600.00
molecular_weight	39258.0 kDa
excluded_volume	49365 Å³
envelope_volume	56057 Å³
shell_volume	22990 Å³
envelope_diameter	68.7 Å
shell_rg	26.95 Å
envelope_rg	20.17 Å
shape_rg	19.93 Å
total_rg	21.03 Å
total_atoms	2777
n_residues	331
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	66.1 Å
rg_real	21.02 Å
rg_real_error	0.31 Å
i0_real	2.5130e+07
i0_real_error	3.0190e+05
rg_reciprocal	21.05 Å
i0_reciprocal	25130000.0000
total_estimate	0.9012
solution_quality	EXCELLENT a EXCELLENT solution
n_peaks	2
r_peak_primary	26.2 Å
skewness	0.175
kurtosis	-0.425
angular_range	— – 0.3750 Å⁻¹
current_alpha	0.0000
highest_alpha	5320000.0000
n_real_points	69
gnom_version	4.1.3
quality_criteria	AN1: 0.000; Oscil: 0.909; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.993; Smooth: 0.991

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4. Crystallography & Experiment

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5. Entities & Polymer Info (2)

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6. Citations (2)

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length_a	51.400 Å
length_b	84.330 Å
length_c	87.500 Å
angle_alpha	90.00 °
angle_beta	90.00 °
angle_gamma	90.00 °
z_pdb	4

space_group	P 21 21 21
int_tables_number	19
crystal_system	—

resolution	2.150 Å
resolution_low	6.000 Å
r_factor	0.1680
r_work	0.1680
r_free	0.2150

description	ENDOGLUCANASE CELC
formula_weight	40948.3 kDa
ec_number	3.2.1.4
src_method	man
entity_count	1

type	polypeptide(L)
strand_id	A
atom_count	2942

A COMMON PROTEIN FOLD AND SIMILAR ACTIVE SITE IN TWO DISTINCT FAMILIES OF BETA-GLYCANASES

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 (2)

7. Files & Curves (10)

Files (7)

Curves (3)

organism	Clostridium thermocellum
ncbi_taxonomy_id	1515
host_organism	Escherichia coli

description	water
formula_weight	18.0 kDa
src_method	nat
entity_count	165

fit	/app/data/saxs_computation/ce/1cec/1cec.fit
pddf	/app/data/pr_computation/ce/1cec/1cec.pr.out
profile	/app/data/saxs_computation/ce/1cec/1cec.dat