2RBI

STRUCTURE OF BINASE MUTANT HIS 101 ASN

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	7.5	291	VAPOR DIFFUSION METHOD, WITH 12MG/ML BINASE HIS101ASN, 40MM GLYCINE PH 7.5, 8.75% POLYETHYL- ENE GLYCOL MR 10,000 AND 2.5% SATURATED SODIUM CITRATE IN THE HANGING DROP, AND 17.5% PEG 10,000, 60MM GLYCINE PH 7.5 AND 5% SODIUM CITRATE IN WELL. LEFT FOR 2 DAYS AT 18 DEGREES CENTIGRADE., vapor diffusion, temperature 291K

Crystal Properties
Matthews coefficient	Solvent content
2.6	52.6

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 111.26	α = 90
b = 69.15	β = 90
c = 33.37	γ = 90

Symmetry
Space Group	P 21 21 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	291	IMAGE PLATE	RIGAKU		1993-10-22	M

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RUH2R

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	2.2	20	97.2	0.055	7.5	3.9		13288			19.6

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)
	2.2	2.26	80.7		0.196	3.8	2.9

Refinement

Statistics
Diffraction ID	Structure Solution Method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	WILD-TYPE BINASE	2.2	10	13096		97	0.178		27.4

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
p_staggered_tor	15.62
p_transverse_tor	14.881
p_scangle_it	8
p_scbond_it	6.103
p_mcangle_it	3.687
p_planar_tor	2.703
p_mcbond_it	2.599
p_multtor_nbd	0.265
p_xhyhbond_nbd	0.227
p_xyhbond_nbd	0.227
p_singtor_nbd	0.181
p_chiral_restr	0.155
p_planar_d	0.044
p_angle_d	0.039
p_bond_d	0.015
p_plane_restr	0.014
p_angle_deg
p_hb_or_metal_coord
p_orthonormal_tor
p_special_tor

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1718
Nucleic Acid Atoms
Solvent Atoms	229
Heterogen Atoms

Software

Software
Software Name	Purpose
CCP4	model building
PROLSQ	refinement
DENZO	data reduction
CCP4	data scaling
ROTAVATA	data scaling
CCP4	phasing