Experiment: 1W5U

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1AV2	PDB ENTRY 1AV2

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1				BATCH CRYSTALLIZATION WITH 30 MG/ML GRAMICIDIN AND SATURATED RBCL IN ETHANOL

Crystal Properties
Matthews coefficient	Solvent content
1.61	23.83

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 30.06	α = 90
b = 31.3	β = 90
c = 51.691	γ = 90

Symmetry
Space Group	P 21 21 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	CCD	MARRESEARCH			M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 5ID-B		APS	5ID-B

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge 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	1.14	20	98.7	0.07	20.5	8.25		33140

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.14	20	97.2		0.34	6.4	4.44

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	MOLECULAR REPLACEMENT	FREE R-VALUE	PDB ENTRY 1AV2	1.14	20	33140	1628	98.7	0.1731	0.1714		0.2147	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
24	557.77	570.12

RMS Deviations
Key	Refinement Restraint Deviation
s_non_zero_chiral_vol	0.138
s_zero_chiral_vol	0.098
s_similar_adp_cmpnt	0.038
s_angle_d	0.036
s_from_restr_planes	0.028
s_bond_d	0.015
s_rigid_bond_adp_cmpnt	0.006
s_similar_dist
s_anti_bump_dis_restr
s_approx_iso_adps

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	567
Nucleic Acid Atoms
Solvent Atoms	31
Heterogen Atoms	23

Software

Software
Software Name	Purpose
SHELXL-97	refinement
DENZO	data reduction
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.