2AGE

Succinyl-AAPR-trypsin acyl-enzyme at 1.15 A resolution

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1TLD	PDB entry 1TLD with solvent removed

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6	298	ammonium sulfate, bis-tris propane, calcium chloride, benzamidine, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.81	55

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 61.948	α = 90
b = 63.72	β = 90
c = 69.008	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	100	CCD	ADSC QUANTUM 4		2003-10-05	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 8.3.1	1.00000	ALS	8.3.1

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	1.15	46.63	99.27	0.046	0.046	9.3	3.3	86942	86942		-3

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	1.15	1.21			0.658	0.658	1.1	1.4

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	MOLECULAR REPLACEMENT	THROUGHOUT	PDB entry 1TLD with solvent removed	1.15	46.63	86941	86941	4351	93.56	0.12	0.12	0.119	0.138	RANDOM	13.438

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]
-0.43			-0.08		0.51

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.272
r_sphericity_free	17.293
r_dihedral_angle_3_deg	11.513
r_dihedral_angle_4_deg	11.124
r_sphericity_bonded	8.462
r_rigid_bond_restr	6.874
r_scangle_it	6.635
r_dihedral_angle_1_deg	6.593
r_scbond_it	5.451
r_mcangle_it	4.173
r_mcbond_it	3.212
r_angle_other_deg	2.687
r_mcbond_other	2.391
r_angle_refined_deg	1.851
r_symmetry_vdw_other	0.377
r_nbd_refined	0.373
r_nbd_other	0.263
r_symmetry_vdw_refined	0.225
r_xyhbond_nbd_refined	0.212
r_symmetry_hbond_refined	0.201
r_chiral_restr	0.151
r_metal_ion_refined	0.121
r_nbtor_other	0.099
r_bond_refined_d	0.018
r_gen_planes_refined	0.009
r_bond_other_d	0.004
r_gen_planes_other	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1652
Nucleic Acid Atoms
Solvent Atoms	390
Heterogen Atoms	1

Software

Software
Software Name	Purpose
MOSFLM	data reduction
SCALA	data scaling
TRUNCATE	data reduction
EPMR	phasing
REFMAC	refinement
CCP4	data scaling
TRUNCATE	data scaling