2G55

Anomalous substructure of trypsin (P3121)

X-RAY DIFFRACTION

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Crystallization

Crystal Properties
Matthews coefficient	Solvent content
1.97	37.7

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 54.59	α = 90
b = 54.59	β = 90
c = 107.09	γ = 120

Symmetry
Space Group	P 31 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	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	1.82	30					17142

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	1.82	30	16825	317	99.9	0.15907	0.15809	0.20814	RANDOM	22.835

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	39.223
r_dihedral_angle_4_deg	28.083
r_dihedral_angle_3_deg	13.434
r_dihedral_angle_1_deg	6.447
r_scangle_it	5.862
r_scbond_it	4.091
r_mcangle_it	2.033
r_angle_refined_deg	1.677
r_mcbond_it	1.182
r_angle_other_deg	0.857
r_symmetry_hbond_refined	0.641
r_mcbond_other	0.289
r_symmetry_vdw_refined	0.286
r_symmetry_vdw_other	0.262
r_nbd_refined	0.197
r_nbd_other	0.178
r_nbtor_refined	0.177
r_xyhbond_nbd_refined	0.143
r_chiral_restr	0.119
r_metal_ion_refined	0.118
r_nbtor_other	0.09
r_bond_refined_d	0.019
r_gen_planes_refined	0.008
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1626
Nucleic Acid Atoms
Solvent Atoms	130
Heterogen Atoms	4

Software

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