2G52

Anomalous substructure of trypsin (P21)

X-RAY DIFFRACTION

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Crystallization

Crystal Properties
Matthews coefficient	Solvent content
1.85	33.61

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 33.1	α = 90
b = 66.69	β = 108.23
c = 39.25	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	100	CCD	MARRESEARCH		2005-01-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	EMBL/DESY, HAMBURG BEAMLINE X12	2.00	EMBL/DESY, Hamburg	X12

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	1.84	30					12996

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	FOURIER SYNTHESIS	THROUGHOUT	1.84	30	12729	267	92.16	0.15673	0.1554	0.22464	RANDOM	23.832

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]
0.64		1.2	-0.39		0.5

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.007
r_dihedral_angle_4_deg	23.439
r_dihedral_angle_3_deg	11.949
r_dihedral_angle_1_deg	8.073
r_scangle_it	5.283
r_scbond_it	4.224
r_angle_refined_deg	2.154
r_mcangle_it	2.074
r_mcbond_it	1.384
r_angle_other_deg	1.099
r_mcbond_other	0.334
r_symmetry_vdw_refined	0.313
r_symmetry_vdw_other	0.26
r_symmetry_hbond_refined	0.234
r_nbd_refined	0.21
r_nbd_other	0.199
r_xyhbond_nbd_refined	0.188
r_nbtor_refined	0.17
r_chiral_restr	0.138
r_nbtor_other	0.095
r_bond_refined_d	0.027
r_gen_planes_refined	0.01
r_bond_other_d	0.002
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1551
Nucleic Acid Atoms
Solvent Atoms	153
Heterogen Atoms	10

Software

Software
Software Name	Purpose
REFMAC	refinement
DENZO	data reduction
CCP4	data scaling
FFT	phasing