2RBN

N-phenylglycinonitrile in complex with T4 lysozyme L99A/M102Q

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1LGU

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
2.75	55.26

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 60.131	α = 90
b = 60.131	β = 90
c = 96.886	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	Vertical focusing mirror; single crystal Si(311) bent monochromator (horizontal focusing)	2006-12-08	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL9-1	0.979462	SSRL	BL9-1

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	1.29	52.06	98.8	0.08	10	6.6	51136	51136

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)
	1.29	1.34	100		0.569		7	5120

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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	1LGU	1.29	52.06	51074	51074	2600	98.76	0.179	0.179	0.178	0.191	RANDOM	14.879

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]
0.04	0.02		0.04		-0.06

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.496
r_dihedral_angle_4_deg	13.18
r_dihedral_angle_3_deg	11.153
r_dihedral_angle_1_deg	4.768
r_scangle_it	2.479
r_sphericity_free	2.393
r_scbond_it	2.388
r_rigid_bond_restr	2.312
r_sphericity_bonded	2.057
r_angle_refined_deg	1.071
r_mcangle_it	1.007
r_mcbond_it	0.806
r_nbtor_refined	0.307
r_nbd_refined	0.192
r_symmetry_vdw_refined	0.153
r_symmetry_hbond_refined	0.136
r_xyhbond_nbd_refined	0.112
r_chiral_restr	0.071
r_bond_refined_d	0.006
r_gen_planes_refined	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1329
Nucleic Acid Atoms
Solvent Atoms	315
Heterogen Atoms	15

Software

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