1KMQ

Crystal Structure of a Constitutively Activated RhoA Mutant (Q63L)

X-RAY DIFFRACTION

---

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	6.9	282	PEG 8000, HEPES, dioxane, magnesium chloride, 2-mercaptoethanol, pH 6.9, VAPOR DIFFUSION, temperature 282K

Crystal Properties
Matthews coefficient	Solvent content
2.58	52.38

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 60.581	α = 90
b = 73.34	β = 90
c = 48.041	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	ADSC QUANTUM 4		2001-06-19	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X9B	0.9671	NSLS	X9B

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Sym 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	1.55	30	97.3	0.036	18.9	5		30966

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	1.55	1.61	84.6		0.28	5.4

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1.55	48	29355	1562	97.35	0.16251	0.16101	0.19023	RANDOM	20.907

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]
-0.9			0.25		0.65

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_3_deg	15.687
r_scangle_it	5.293
r_dihedral_angle_1_deg	5.096
r_mcangle_it	3.947
r_sphericity_free	3.578
r_scbond_it	3.489
r_sphericity_bonded	2.884
r_mcbond_it	2.697
r_angle_refined_deg	2.343
r_rigid_bond_restr	1.708
r_angle_other_deg	1.247
r_xyhbond_nbd_other	0.266
r_symmetry_vdw_refined	0.248
r_nbd_refined	0.236
r_nbd_other	0.189
r_xyhbond_nbd_refined	0.189
r_symmetry_vdw_other	0.173
r_symmetry_hbond_refined	0.171
r_chiral_restr	0.105
r_bond_refined_d	0.006
r_gen_planes_refined	0.005
r_gen_planes_other	0.002
r_bond_other_d
r_nbtor_other
r_symmetry_hbond_other

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1386
Nucleic Acid Atoms
Solvent Atoms	210
Heterogen Atoms	46

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
AMoRE	phasing
REFMAC	refinement