3SID

Crystal structure of oxidized Symerythrin from Cyanophora paradoxa, azide adduct at 50% occupancy

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5.5	279	25% PEG 3350, 0.1M BisTris, 0.35M NH4Cl, pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 279K

Crystal Properties
Matthews coefficient	Solvent content
2.25	45.39

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 82.009	α = 90
b = 82.009	β = 90
c = 46.44	γ = 120

Symmetry
Space Group	P 32

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		2011-02-10	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 5.0.1	0.97650	ALS	5.0.1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	1.4	30.74	100	0.074	18.9	12.2	68857	68857	2	2	13.96

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.4	1.48	100		0.441	0.441	5.6	12	10086

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	3QHB	1.4	30.74	65332	3484	99.96	0.11727	0.11517	0.15618	RANDOM	12.676

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]
-0.74	-0.37		-0.74		1.11

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	41.072
r_dihedral_angle_4_deg	17.965
r_dihedral_angle_3_deg	13.672
r_sphericity_free	13.515
r_sphericity_bonded	9.286
r_scangle_it	6.801
r_dihedral_angle_1_deg	4.832
r_scbond_it	4.802
r_mcangle_it	3.304
r_mcbond_it	2.386
r_rigid_bond_restr	2.297
r_angle_refined_deg	2.101
r_mcbond_other	1.441
r_angle_other_deg	1.142
r_chiral_restr	0.139
r_bond_refined_d	0.025
r_gen_planes_refined	0.011
r_gen_planes_other	0.003
r_bond_other_d	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

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2730
Nucleic Acid Atoms
Solvent Atoms	562
Heterogen Atoms	10

Software

Software
Software Name	Purpose
ADSC	data collection
PHENIX	model building
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling
PHENIX	phasing