4WWY | pdb_00004wwy

human cationic trypsin G193R mutant in complex with bovine pancreatic trypsin inhibitor

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2RA3

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.5	298	0.2M ammonium sulfate, 0.1M sodium cacodylate trihydrate, 30% PEG-8000

Crystal Properties
Matthews coefficient	Solvent content
2.47	50.14

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 52.952	α = 90
b = 63.227	β = 94.74
c = 90.535	γ = 90

Symmetry
Space Group	P 1 21 1

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	ADSC QUANTUM 1		2012-02-07	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X29A	0.979	NSLS	X29A

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	1.7	47.29	89.8	0.068	17	4.7		59179

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	1.7		45.7		0.435	1.21	2.2

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	2RA3	1.7	47.29	59179	3029	89.76	0.1727	0.1708	0.2069	0.2017	RANDOM	19.323

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]
0.01		0.03	-0.01

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.779
r_dihedral_angle_4_deg	14.887
r_dihedral_angle_3_deg	12.642
r_dihedral_angle_1_deg	6.659
r_angle_refined_deg	1.957
r_angle_other_deg	0.902
r_chiral_restr	0.123
r_bond_refined_d	0.02
r_gen_planes_refined	0.011
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4283
Nucleic Acid Atoms
Solvent Atoms	399
Heterogen Atoms	51

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
PDB_EXTRACT	data extraction
HKL-2000	data scaling