2VSU

A ternary complex of Hydroxycinnamoyl-CoA Hydratase-Lyase (HCHL) with acetyl-Coenzyme A and vanillin gives insights into substrate specificity and mechanism.

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1				PROTEIN CONCENTRATION OF 10 MG ML-1 IN 11% (W/V) PEG 20 000 DA WITH 8% (V/V) PEG 550 DA MONOMETHYL ETHER, 0.8 M SODIUM FORMATE AND 0.2% (V/V) BUTANE 1,4-DIOL IN 0.05 M 2-(N-MORPHOLINO)ETHANESULFONIC ACID BUFFER PH 5.6. 10MM FERULOYL-COA.

Crystal Properties
Matthews coefficient	Solvent content
2.3	46.1

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 90.081	α = 90
b = 130.122	β = 90
c = 144.743	γ = 90

Symmetry
Space Group	P 21 21 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	287	CCD	ADSC CCD		2007-07-21	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-4		ESRF	ID14-4

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	1.9	96.67	96.7	0.1	6.8	5.5		123802		2

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	1.9	1.95	76.8		0.69	2.5	2.9

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	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 2J5I	1.9	96.67	123802	6562	96.7	0.191	0.188	0.23	RANDOM	25.38

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]
-1.14			-1.26		2.4

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.879
r_dihedral_angle_4_deg	21.336
r_dihedral_angle_3_deg	13.977
r_dihedral_angle_1_deg	6.079
r_scangle_it	3.519
r_scbond_it	2.427
r_angle_refined_deg	1.635
r_mcangle_it	1.338
r_mcbond_it	0.943
r_symmetry_hbond_refined	0.353
r_nbtor_refined	0.306
r_symmetry_vdw_refined	0.243
r_nbd_refined	0.214
r_xyhbond_nbd_refined	0.136
r_chiral_restr	0.109
r_bond_refined_d	0.017
r_gen_planes_refined	0.007
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	11496
Nucleic Acid Atoms
Solvent Atoms	488
Heterogen Atoms	266

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
SCALEPACK	data scaling
MOLREP	phasing