1C58

CRYSTAL STRUCTURE OF CYCLOAMYLOSE 26

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
other		MALTOSE DISACCHARIDE

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION			37.5% PEG 400, VAPOR DIFFUSION

Crystal Properties
Matthews coefficient	Solvent content
	11.8

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 21.84	α = 87.36
b = 22.92	β = 89.51
c = 29.05	γ = 61.98

Symmetry
Space Group	P 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	277	IMAGE PLATE	MARRESEARCH	PHI-ROTATION	1998-01-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	EMBL/DESY, HAMBURG BEAMLINE X31		EMBL/DESY, HAMBURG	X31

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	R Sym I (Observed)	Net I Over Average Sigma (I)	Redundancy	Number Reflections (All)	Number Reflections (Observed)	Observed Criterion Sigma (F)	Observed Criterion Sigma (I)	B (Isotropic) From Wilson Plot
1	0.99	29.02	96.7	0.037	0.0366	18.07			26766

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	0.99	1.01	84.1		0.19	6.94	2.79

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	DIRECT METHODS	RFREE	MALTOSE DISACCHARIDE	0.99	29.02	25473	1329	96.7	0.082	0.088		0.1	RANDOM

Temperature Factor Modeling
Anisotropic B[1][1]	Anisotropic B[1][2]	Anisotropic B[1][3]	Anisotropic B[2][2]	Anisotropic B[2][3]	Anisotropic B[3][3]

Coordinate Error
Structure Solution Method	Refinement High Resolution	Refinement Low Resolution
17	520	649.5

RMS Deviations
Key	Refinement Restraint Deviation
s_approx_iso_adps	0.064
s_similar_adp_cmpnt	0.035
s_anti_bump_dis_restr	0.021
s_similar_dist	0.02
s_rigid_bond_adp_cmpnt	0.006
s_bond_d
s_angle_d
s_from_restr_planes
s_zero_chiral_vol
s_non_zero_chiral_vol

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms
Nucleic Acid Atoms
Solvent Atoms	147
Heterogen Atoms	572

Software

Software
Software Name	Purpose
SHELXD	phasing
SHELXL-97	refinement
MAR345	data collection
SCALEPACK	data scaling

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.