2RB2

3-methylbenzylazide in complex with T4 lysozyme L99A

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.1	277	2.2M sodium-potassium phosphate, 0.05M beta-mercaptoethanol, 0.05M 2-hydroxyethyldisulfide, pH 7.1, vapor diffusion, hanging drop, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.76	55.47

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 60.24	α = 90
b = 60.24	β = 90
c = 96.837	γ = 120

Symmetry
Space Group	P 32 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	110	CCD	ADSC QUANTUM 315	KOHZU: Double Crystal Si(111)	2007-05-03	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 8.3.1	1.115872	ALS	8.3.1

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	1.463	52.2	99.8	0.093	12.4	6.1	35646	35646

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)
	1.463	1.52	99.1		0.348		4.4	3485

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-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION		THROUGHOUT	1.463	52.2	35586	35586	1789	99.51	0.181	0.181	0.18	0.213	RANDOM	16.195

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]
0.39	0.19		0.39		-0.58

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.237
r_dihedral_angle_3_deg	11.608
r_dihedral_angle_4_deg	11.311
r_dihedral_angle_1_deg	4.53
r_sphericity_free	2.803
r_scangle_it	2.734
r_scbond_it	2.526
r_rigid_bond_restr	2.28
r_sphericity_bonded	2.161
r_angle_refined_deg	1.083
r_mcangle_it	1.075
r_mcbond_it	0.87
r_nbd_refined	0.337
r_nbtor_refined	0.318
r_symmetry_hbond_refined	0.151
r_symmetry_vdw_refined	0.125
r_xyhbond_nbd_refined	0.113
r_chiral_restr	0.064
r_bond_refined_d	0.01
r_gen_planes_refined	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1315
Nucleic Acid Atoms
Solvent Atoms	320
Heterogen Atoms	26

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
HKL-2000	data collection
REFMAC	phasing