Experiment: 1QP1

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	Other		THE BENCE-JONES PROTEINS ROY: COLMAN, SCHRAMM, GURS J. MOL. BIOL. 116, 73, 1977 AND REI: EPP, COLMAN, FEHLHAMMER, BODE, SCHIFFER, HUBER, AND PALM EUR. J. BIOCHEM. 45, 513 1974

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5.4	300	AMMONIUM SULFATE, CITRATE BUFFER, pH 5.4, VAPOR DIFFUSION, HANGING DROP, temperature 300K

Crystal Properties
Matthews coefficient	Solvent content
3.26	62.24

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 143.99	α = 90
b = 82.56	β = 90
c = 77.56	γ = 90

Symmetry
Space Group	C 2 2 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	293	IMAGE PLATE	RIGAKU RAXIS II		1992-08-11	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RU300

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	2.06	60	68.9	0.12	24	5	89999	22485	1	1	24

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)
	2.06	2.18	50.25		0.2	1.92	2

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (I)	Cut-off Sigma (F)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R	THE BENCE-JONES PROTEINS ROY: COLMAN, SCHRAMM, GURS J. MOL. BIOL. 116, 73, 1977 AND REI: EPP, COLMAN, FEHLHAMMER, BODE, SCHIFFER, HUBER, AND PALM EUR. J. BIOCHEM. 45, 513 1974	2.06	20	2	4	32634	22485	2248	68.9	0.183	0.188	0.153	0.18	0.212	10% CHOSEN AT RANDOM FROM LIST OF REFLECTIONS SORTED ON SIZE OF F.

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
		2708

RMS Deviations
Key	Refinement Restraint Deviation
s_zero_chiral_vol	0.093
s_similar_adp_cmpnt	0.056
s_from_restr_planes	0.0169
s_bond_d	0.015
s_anti_bump_dis_restr	0.015
s_rigid_bond_adp_cmpnt	0.003
s_similar_dist	0.001
s_angle_d
s_non_zero_chiral_vol
s_approx_iso_adps

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2487
Nucleic Acid Atoms
Solvent Atoms	191
Heterogen Atoms

Software

Software
Software Name	Purpose
X-PLOR	model building
SHELXL-97	refinement
X-PLOR	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.