Experiment: 1VHB

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	6.4		PRECIPITANT: AMMONIUM SULFATE 1.2 M. BUFFER: PYROPHOSPHATE 0.2 M PH 6.4. ADDITIVES: ETHYLENE GLYCOL 3% V/V. PROTEIN CONCENTRATION 25 MG/ML. VAPOR DIFFUSION TECHNIQUES., vapor diffusion

Crystal Properties
Matthews coefficient	Solvent content
2.3	48

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 63.32	α = 90
b = 41.42	β = 106.17
c = 62.94	γ = 90

Symmetry
Space Group	P 1 21 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	298	IMAGE PLATE	MARRESEARCH		1996-02-28	M

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	LURE BEAMLINE DW21B		LURE	DW21B

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	1.83	25	94.9	0.055	0.36	12.9	3.5		26582		1	35

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)
	1.83	1.88	61		0.36	0.36	2	1.9

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	SIR-DENSITY MODIFICATION	A POSTERIORI	1.83	15	27040	27040	1100	95	0.184	0.18	0.25	EVERY 24TH REFLECTION

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
t_dihedral_angle_d	13.148
t_it	4.478
t_angle_deg	1.788
t_nbd	0.043
t_gen_planes	0.017
t_trig_c_planes	0.015
t_bond_d	0.011
t_incorr_chiral_ct
t_pseud_angle

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2042
Nucleic Acid Atoms
Solvent Atoms	119
Heterogen Atoms	86

Software

Software
Software Name	Purpose
SCALEIT	model building
SHELX90	model building
MLPHARE	phasing
SOLOMON	phasing
DM	model building
GLRF	phasing
NCSMASK	model building
TNT	refinement
MOSFLM	data reduction
CCP4	data scaling
ROTAVATA	data scaling
SCALEIT	phasing
SHELX-90	phasing
DM	phasing
NCSMASK	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.