5BN2

Room Temperature Structure of Pichia pastoris aquaporin at 1.3 A

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8	293	26% PEG600, 100 MM TRIS (PH=8.0), 200 MM CACL2

Crystal Properties
Matthews coefficient	Solvent content
2.9	57.59

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 92.487	α = 90
b = 92.487	β = 90
c = 81.191	γ = 90

Symmetry
Space Group	I 4

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	293	CCD	MAR CCD 165 mm		2010-02-18	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	MAX II BEAMLINE I911-5	0.9083	MAX II	I911-5

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	1.3	34.49	99.6	0.059	0.07	11.7	3.4	83459	83459			12.2

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	1.3	1.37	100		0.499	2.4	3.3

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	3zoj	1.3	34.49	79248	4176	99.51	0.11551	0.11406	0.14261	RANDOM	17.505

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]
-0.04			-0.04		0.08

RMS Deviations
Key	Refinement Restraint Deviation
r_sphericity_free	44.168
r_dihedral_angle_2_deg	34.412
r_dihedral_angle_4_deg	17.949
r_sphericity_bonded	16.016
r_dihedral_angle_3_deg	11.607
r_rigid_bond_restr	6.504
r_scangle_other	6.282
r_scbond_it	5.498
r_scbond_other	5.497
r_long_range_B_refined	5.379
r_long_range_B_other	5.379
r_dihedral_angle_1_deg	4.952
r_mcangle_other	2.598
r_mcangle_it	2.576
r_mcbond_it	2.332
r_mcbond_other	2.27
r_angle_refined_deg	1.9
r_angle_other_deg	0.974
r_chiral_restr	0.139
r_bond_refined_d	0.022
r_gen_planes_refined	0.012
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

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1983
Nucleic Acid Atoms
Solvent Atoms	98
Heterogen Atoms	19

Software

Software
Software Name	Purpose
MOSFLM	data reduction
SCALA	data scaling
PHASER	phasing
REFMAC	refinement
Coot	model building