4L8O

Crystal structure of a bile-acid 7-alpha dehydratase (CLOHYLEM_06634) from Clostridium hylemonae DSM 15053 at 2.20 A resolution

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	4L8P

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.5	293	0.01M cobalt chloride, 1.80M ammonium sulfate, 0.1M MES pH 6.5, Additive - 0.001 M 3-oxo-delta 4,6, Lithocholyl Coenzyme A, NANODROP, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.6	57.55

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 52.956	α = 90
b = 52.956	β = 90
c = 428.627	γ = 120

Symmetry
Space Group	H 3 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 315	KOHZU: Double Crystal Si(111)	2012-09-19	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 8.2.2		ALS	8.2.2

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	2.2	28.575	98.5	0.086	12.88			12340		-3	39.357

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	2.2	2.28	94.1		0.479	2.9	4.8

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	4L8P	2.2	28.575	11786	568	94.73	0.1958	0.1942	0.225	RANDOM	35.1609

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]
0.11	0.11		0.11		-0.34

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.979
r_dihedral_angle_4_deg	15.092
r_dihedral_angle_3_deg	13.712
r_dihedral_angle_1_deg	6.472
r_mcangle_it	3.882
r_mcbond_it	2.454
r_mcbond_other	2.404
r_angle_refined_deg	1.319
r_angle_other_deg	0.849
r_chiral_restr	0.079

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.979
r_dihedral_angle_4_deg	15.092
r_dihedral_angle_3_deg	13.712
r_dihedral_angle_1_deg	6.472
r_mcangle_it	3.882
r_mcbond_it	2.454
r_mcbond_other	2.404
r_angle_refined_deg	1.319
r_angle_other_deg	0.849
r_chiral_restr	0.079
r_bond_refined_d	0.013
r_gen_planes_refined	0.005
r_bond_other_d	0.002
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1335
Nucleic Acid Atoms
Solvent Atoms	70
Heterogen Atoms	23

Software

Software
Software Name	Purpose
MolProbity	model building
PDB_EXTRACT	data extraction
PHASER	phasing
XSCALE	data scaling
REFMAC	refinement
XDS	data reduction

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.