2ACO

Xray structure of Blc dimer in complex with vaccenic acid

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1QWD	PDB entry 1QWD

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.5	298	sodium citrate 800-900 mM, sodium borate 50 mM, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.6	59

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 57.901	α = 90
b = 81.337	β = 90
c = 89.02	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	100	CCD	ADSC QUANTUM 4		2004-06-22	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-4	1.0332	ESRF	ID14-4

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (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	1.8	59.76	99.75	0.089	0.137			37259	37259

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)
	1.8	1.85	89.1		0.327	2.3

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB entry 1QWD	1.8	59.76	37259	37259	2314	99.75	0.17325	0.17325	0.17093	0.21027	RANDOM	15.212

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]
0.6			-0.52		-0.08

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	6.864
r_scangle_it	3.689
r_scbond_it	2.221
r_mcangle_it	1.3
r_angle_refined_deg	1.289
r_angle_other_deg	0.793
r_mcbond_it	0.679
r_symmetry_vdw_other	0.294
r_nbd_other	0.258
r_nbd_refined	0.231
r_xyhbond_nbd_refined	0.207
r_symmetry_hbond_refined	0.205
r_symmetry_vdw_refined	0.157
r_chiral_restr	0.086
r_nbtor_other	0.082
r_bond_refined_d	0.011
r_gen_planes_other	0.007
r_gen_planes_refined	0.006
r_bond_other_d	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2684
Nucleic Acid Atoms
Solvent Atoms	449
Heterogen Atoms	20

Software

Software
Software Name	Purpose
REFMAC	refinement
MOSFLM	data reduction
CCP4	data scaling
AMoRE	phasing