Experiment: 1QBZ

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1MOF	POLY ALANINE MODEL (RESIDUES 46-74) OF MMLV TRANSMEMBRANE TRIMERIC CORE (1MOF)

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		4.25		14-25% MPD (2-METHYL-2,4- PENTANEDIOL) 140-220 MM NACL, 20-40 MM SODIUM ACETATE, pH 4.25

Crystal Properties
Matthews coefficient	Solvent content
1.78	30.8

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 91.124	α = 90
b = 47.206	β = 100.83
c = 77.465	γ = 90

Symmetry
Space Group	C 1 2 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	93	IMAGE PLATE	MARRESEARCH		1997-11-22	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X9B		NSLS	X9B

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	1.47	15	89.9	0.064	14.8	8.3		49553		0.5

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	1.47	1.5	70.9		0.19	3.6	2.3

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MIR AND MR	FREE R	POLY ALANINE MODEL (RESIDUES 46-74) OF MMLV TRANSMEMBRANE TRIMERIC CORE (1MOF)	1.47	15	49533	2462	5	0.155	0.152		0.218	THIN SHELL

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]

Coordinate Error
Structure Solution Method	Refinement High Resolution	Refinement Low Resolution
37	2609	3046

RMS Deviations
Key	Refinement Restraint Deviation
s_zero_chiral_vol	0.104
s_non_zero_chiral_vol	0.097
s_approx_iso_adps	0.076
s_similar_adp_cmpnt	0.048
s_angle_d	0.03
s_from_restr_planes	0.021
s_anti_bump_dis_restr	0.017
s_bond_d	0.011
s_rigid_bond_adp_cmpnt	0.003
s_similar_dist

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2768
Nucleic Acid Atoms
Solvent Atoms	263
Heterogen Atoms	21

Software

Software
Software Name	Purpose
MLPHARE	phasing
SHELXL-97	refinement
DENZO	data reduction
SCALEPACK	data scaling
PHASES	phasing
DM	phasing
AMoRE	phasing

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.