Experiment: 1M24

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1				METHANOL:ACETONITRILE 1:10, EVAPORATION, RECRYSTALLIZATION, TEMPERATURE 268K

Crystal Properties
Matthews coefficient	Solvent content
1.3	8.28

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 9.49	α = 95.77
b = 16.85	β = 98.07
c = 31.68	γ = 99.45

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	150	CCD	ADSC QUANTUM 4		2001-04-24	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SRS		SRS

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	0.9	10	99.7	0.0514	15.03	2.79		13427

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	0.9	0.95	99.9		0.2614	2.36	2.18

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	THROUGHOUT	MODEL OF HELICAL PEPTIDE, RESIDUES 1-13.	0.9	10	13427	688	99.7	0.076	0.075		0.092	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
	278	249

RMS Deviations
Key	Refinement Restraint Deviation
s_non_zero_chiral_vol	1.186
s_zero_chiral_vol	0.101
s_approx_iso_adps	0.091
s_similar_adp_cmpnt	0.03
s_bond_d	0.026
s_angle_d	0.026
s_from_restr_planes	0.026
s_rigid_bond_adp_cmpnt	0.006
s_similar_dist
s_anti_bump_dis_restr

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	238
Nucleic Acid Atoms
Solvent Atoms	5
Heterogen Atoms	6

Software

Software
Software Name	Purpose
MOLREP	phasing
ARP/wARP	model building
SHELXL-97	refinement
SMART	data reduction

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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 R01GM133198.