4XSO

Crystal structure of apo-form Alr3699/HepE from Anabaena sp. strain PCC 7120

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7	289	1.0 M ammonium citrate tribasic pH 7.0, 0.1 M Bis-Tris propane pH 7.0

Crystal Properties
Matthews coefficient	Solvent content
2.2	44.12

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 78.289	α = 90
b = 133.469	β = 90
c = 142.812	γ = 90

Symmetry
Space Group	C 2 2 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 315r		2013-10-21	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRF BEAMLINE BL17U	0.97923	SSRF	BL17U

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	2.01	50	99.6	0.084	17.56	3.3		48403

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	2.01	2.08	99		0.481	2.96	3.2

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	2.01	38.71	45852	2467	96.42	0.19711	0.19446	0.24567	RANDOM	41.148

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]
2.27			-1.1		-1.16

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.712
r_dihedral_angle_4_deg	19.308
r_dihedral_angle_3_deg	14.005
r_long_range_B_other	8.637
r_long_range_B_refined	8.623
r_scangle_other	7.07
r_dihedral_angle_1_deg	5.977
r_scbond_it	4.943
r_scbond_other	4.937
r_mcangle_it	4.335
r_mcangle_other	4.334
r_mcbond_it	3.464
r_mcbond_other	3.461
r_angle_refined_deg	1.806
r_angle_other_deg	0.874
r_chiral_restr	0.108
r_bond_refined_d	0.018
r_gen_planes_refined	0.009
r_bond_other_d	0.001
r_gen_planes_other	0.001
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_scangle_it
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5560
Nucleic Acid Atoms
Solvent Atoms	149
Heterogen Atoms	24

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data scaling
PHENIX	phasing
HKL-2000	data extraction