1SPB | pdb_00001spb

SUBTILISIN BPN' PROSEGMENT (77 RESIDUES) COMPLEXED WITH A MUTANT SUBTILISIN BPN' (266 RESIDUES). CRYSTAL PH 4.6. CRYSTALLIZATION TEMPERATURE 20 C DIFFRACTION TEMPERATURE-160 C

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		4.6		pH 4.6

Crystal Properties
Matthews coefficient	Solvent content
2.36	47.98

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 74.1	α = 90
b = 77.85	β = 90
c = 57.65	γ = 90

Symmetry
Space Group	P 21 21 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	113	CCD			1994-06-21	M

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X8C		NSLS	X8C

Data Collection

Refinement

Statistics
Diffraction ID	Structure Solution Method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Free (Depositor)	Mean Isotropic B
X-RAY DIFFRACTION		2	8	2	17179			0.204			11.3

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]

RMS Deviations
Key	Refinement Restraint Deviation
p_orthonormal_tor	33.6
p_staggered_tor	21.6
p_planar_tor	5.5
p_scangle_it	1.525
p_mcangle_it	1.48
p_scbond_it	1.05
p_mcbond_it	0.959
p_chiral_restr	0.43
p_singtor_nbd	0.347
p_xhyhbond_nbd	0.215
p_multtor_nbd	0.179
p_planar_d	0.048
p_angle_d	0.046
p_plane_restr	0.035
p_bond_d	0.022
p_angle_deg
p_hb_or_metal_coord
p_xyhbond_nbd
p_transverse_tor
p_special_tor

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2417
Nucleic Acid Atoms
Solvent Atoms	250
Heterogen Atoms	1

Software

Software
Software Name	Purpose
PROLSQ	refinement
XENGEN	data reduction