Experiment: 3PWM

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2IEN

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		5	298	CRYSTAL WAS GROWN BY THE HANGING-DROP VAPOR-DIFFUSION METHOD AT ROOM TEMPERATURE FROM A 7 MG/ML PROTEIN SOLUTION AT PH 5.0 WITH 1.4 M NACL, 0.03 M NAOAC, 3% DMSO.THE INHIBITOR WAS MIXED WITH PROTEASE IN A RATIO 5:1, VAPOR DIFFUSION, HANGING DROP TEMPERATURE 298K

Crystal Properties
Matthews coefficient	Solvent content
2.69	54.21

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 58.322	α = 90
b = 86.329	β = 90
c = 45.983	γ = 90

Symmetry
Space Group	P 21 21 2

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	MARMOSAIC 225 mm CCD		2008-06-15	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 22-BM		APS	22-BM

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	1.46	50	91.9	0.052	34.9	6.9		37895

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	1.46	1.51	54.9		0.492	2.1	4

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	2IEN	1.46	10	37584	1878	92.3	0.143	0.14		0.189	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
18	1637.38	1762.32

RMS Deviations
Key	Refinement Restraint Deviation
s_approx_iso_adps	0.088
s_non_zero_chiral_vol	0.063
s_zero_chiral_vol	0.054
s_angle_d	0.032
s_from_restr_planes	0.029
s_bond_d	0.011
s_rigid_bond_adp_cmpnt	0.003
s_similar_dist
s_anti_bump_dis_restr
s_similar_adp_cmpnt

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1510
Nucleic Acid Atoms
Solvent Atoms	272
Heterogen Atoms	53

Software

Software
Software Name	Purpose
HKL-2000	data collection
MOLREP	phasing
SHELXL-97	refinement
HKL-2000	data reduction
HKL-2000	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.