Experiment: 6MK2

Crystal structure of Coleus blumei rosmarinic acid synthase (RAS) in complex with 4-coumaroyl-(R)-3-(4-hydroxyphenyl)lactate

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8.5	277.15	2 microliters of 10 mg/mL protein was mixed with 1 microliter of a reservoir solution containing 0.2 M magnesium chloride, 0.1 M sodium TAPS (pH 8.5), 21% PEG 8000, and 15 mM 4-coumaroyl-(R)-3-(4-hydroxyphenyl)lactate

Crystal Properties
Matthews coefficient	Solvent content
2.42	49.08

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 89.9	α = 90
b = 76.32	β = 94.47
c = 68.05	γ = 90

Symmetry
Space Group	C 1 2 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	80	CCD	ADSC QUANTUM 315		2012-09-28	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 8.2.1	0.99998	ALS	8.2.1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	CC (Half)	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	3.35	45.28	99.7	0.143	0.982	7	3.7		6696

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	3.35	3.53	99.9		0.561	0.565		3.8

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	3.35	45.277	0.19	12718	1256	97.82	0.2819	0.2769	0.2867	0.3286	0.3337

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]

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	5.112
f_angle_d	1.351
f_chiral_restr	0.048
f_bond_d	0.007
f_plane_restr	0.007

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3220
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms	24

Software

Software
Software Name	Purpose
PHENIX	refinement
MOSFLM	data reduction
SCALA	data scaling
PHASER	phasing