2OA1 | pdb_00002oa1

Crystal Structure of RebH, a FAD-dependent halogenase from Lechevalieria aerocolonigenes, the L-Tryptophan with FAD complex

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2O9Z	apo form of same protein in same lattice

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP		277	Protein Solution (18 mg/ml protein, 0.050 M sodium chloride, 0.010 M TRIS pH 8.0) mixed in a 1:1 ratio with the Well Solution (0.9 M K2HPO4, 0.5 M NaH2PO4) crystals soaked for 22 hours in solution of 0.6 M K2HPO4, 0.33 M NaH2PO4, ~0.005 M FAD, ~0.003 M L-tryptophan, 0.030 M NaCl, Cryoprotected with: well solution supplemented with up to 30% glycerol, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
3.5	64.7

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 114.492	α = 90
b = 114.492	β = 90
c = 231.935	γ = 120

Symmetry
Space Group	P 62

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	MARMOSAIC 300 mm CCD	Adjustable focusing mirrors in K-B geometry	2006-06-18	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 23-ID-D	0.97931	APS	23-ID-D

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	2.15	49.576	98.8	0.102	24.905	20.4		92078

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	2.15	2.2	90.9		0.534	3.628	9.4	5634

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-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	2O9Z	THROUGHOUT	apo form of same protein in same lattice	2.15	19.952	91914	4630	98.846	0.154	0.152	0.16	0.194	0.2	RANDOM	38.03

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]
0.031	0.015		0.031		-0.046

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.395
r_dihedral_angle_4_deg	15.397
r_dihedral_angle_3_deg	13.511
r_dihedral_angle_1_deg	6.171
r_scangle_it	3.39
r_scbond_it	2.086
r_angle_refined_deg	1.412
r_mcangle_it	1.157
r_mcbond_it	0.725
r_nbtor_refined	0.304
r_symmetry_hbond_refined	0.245
r_nbd_refined	0.194
r_symmetry_vdw_refined	0.184
r_xyhbond_nbd_refined	0.149
r_chiral_restr	0.098
r_bond_refined_d	0.015
r_gen_planes_refined	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	8468
Nucleic Acid Atoms
Solvent Atoms	1056
Heterogen Atoms	103

Software

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