1H6I

A REFINED STRUCTURE OF HUMAN AQUAPORIN 1

ELECTRON CRYSTALLOGRAPHY

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
other		THE MODEL WAS DERIVED USING ELECTRON DIFFRACTION DATA ON 2D CRYSTALS

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 99.58	α = 90
b = 99.58	β = 90
c = 100	γ = 90

Symmetry
Space Group	P 4 21 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	electron					1996-06-07

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 (Depositor)	R-Free (Depositor)	R-Free Selection Details	Mean Isotropic B
ELECTRON CRYSTALLOGRAPHY		THROUGHOUT	THE MODEL WAS DERIVED USING ELECTRON DIFFRACTION DATA ON 2D CRYSTALS	3.54	30.04	5408	514	82.8	0.364	0.364	0.376	RANDOM	44.4

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]

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	20.4
c_improper_angle_d	1.65
c_angle_deg	1.6
c_bond_d	0.008
c_bond_d_na
c_bond_d_prot
c_angle_d
c_angle_d_na
c_angle_d_prot
c_angle_deg_na

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1653
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms

Software

Software
Software Name	Purpose
CNS	refinement

Sample
HUMAN AQUAPORIN 1

Specimen Preparation
Sample Aggregation State	2D ARRAY

3D Reconstruction
Reconstruction Method	CRYSTALLOGRAPHY
Number of Particles
Reported Resolution (Å)
Resolution Method
Other Details
Refinement Type
Symmetry Type	2D CRYSTAL

Data Acquisition

Imaging Experiment	1
Date of Experiment
Temperature (Kelvin)
Microscope Model	JEOL 3000SFF
Minimum Defocus (nm)
Maximum Defocus (nm)
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS
Imaging Mode	DIFFRACTION
Specimen Holder Model
Nominal Magnification
Calibrated Magnification
Source	FIELD EMISSION GUN
Acceleration Voltage (kV)	300
Imaging Details

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.