2H9V

Structural basis for induced-fit binding of Rho-kinase to the inhibitor Y27632

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8	293	Sodium Citrate, FOS-Choline-9, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
4.5	72.8

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 90.781	α = 90
b = 90.781	β = 90
c = 341.279	γ = 120

Symmetry
Space Group	P 62 2 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	90	CCD	Bruker DIP-6040	a double-crystal monochromator and a horizontal focusing mirror	2004-12-08	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SPRING-8 BEAMLINE BL44XU	0.9	SPring-8	BL44XU

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	3.1	30	99.5	0.074	29.988	14.9		16013

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	3.1	3.21		99.9	0.236	9.788	13

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	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	3.1	30	15995	15995	800	99.65	0.234	0.234	0.232	0.277	RANDOM	60.967

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]
1.52	0.76		1.52		-2.29

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.755
r_dihedral_angle_4_deg	21.282
r_dihedral_angle_3_deg	20.457
r_dihedral_angle_1_deg	7.309
r_scangle_it	2.9
r_angle_refined_deg	1.718
r_scbond_it	1.7
r_mcangle_it	1.427
r_mcbond_it	0.771
r_nbtor_refined	0.335
r_nbd_refined	0.264
r_symmetry_vdw_refined	0.222
r_symmetry_hbond_refined	0.198
r_xyhbond_nbd_refined	0.162
r_chiral_restr	0.113
r_bond_refined_d	0.016
r_gen_planes_refined	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3094
Nucleic Acid Atoms
Solvent Atoms	8
Heterogen Atoms	18

Software

Software
Software Name	Purpose
MOLREP	phasing
SCALEPACK	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
DENZO	data reduction