3DQJ

Structure of the Yellow Fluorescent Protein Citrine Frozen at 1000 Atmospheres Number 3: Structure 7 in a Series of 26 High Pressure Structures

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5	277	Crystals grown by seeding using a Seed Bead (HR2-320, Hampton Research) in 5% PEG 3350, 50 mM Na Acetate, 50 mM NH4 Acetate, pH 5.0. Crystals were grown at 4 deg C and at ambient pressure, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.11	41.69

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 51.413	α = 90
b = 63.122	β = 90
c = 71.225	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 210		2005-11-06	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	CHESS BEAMLINE F2	0.9795	CHESS	F2

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	1.51	39.87	79.3	0.087	0.087	6.7	6.9		29403

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)
	1.51		100		0.273	0.273	2.8	7

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	PDB ENTRY 1HUY WITH RESIDUE 80 MUTATED TO GLUTAMINE	1.51	20	27928	1455	78.97	0.22482	0.22102	0.29832	RANDOM	25.042

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]
-0.09			-0.05		0.14

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.226
r_dihedral_angle_3_deg	17.119
r_dihedral_angle_4_deg	10.267
r_dihedral_angle_1_deg	7.17
r_scangle_it	5.526
r_scbond_it	4.156
r_angle_refined_deg	2.24
r_mcangle_it	2.137
r_mcbond_it	1.949
r_nbtor_refined	0.302
r_nbd_refined	0.289
r_symmetry_vdw_refined	0.227
r_xyhbond_nbd_refined	0.184
r_symmetry_hbond_refined	0.175
r_chiral_restr	0.151
r_bond_refined_d	0.027
r_gen_planes_refined	0.011
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1850
Nucleic Acid Atoms
Solvent Atoms	242
Heterogen Atoms

Software

Software
Software Name	Purpose
SCALA	data scaling
MOLREP	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
ADSC	data collection
MOSFLM	data reduction