1A5I

CATALYTIC DOMAIN OF VAMPIRE BAT (DESMODUS ROTUNDUS) SALIVA PLASMINOGEN ACTIVATOR IN COMPLEX WITH EGR-CMK (GLU-GLY-ARG CHLOROMETHYL KETONE)

X-RAY DIFFRACTION

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Starting Model(s)

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

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		9		pH 9.0

Crystal Properties
Matthews coefficient	Solvent content
3.58	65.66

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 73.86	α = 90
b = 73.86	β = 90
c = 135.19	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	290	IMAGE PLATE	MARRESEARCH		1996-10-18	M

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
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	2.9	25	97.2	0.092	3.51	2.3		9582		3	65.48

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	2.9	3	97.9		0.405	1.9	2.4

Refinement

Statistics
Diffraction ID	Structure Solution Method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	PDB ENTRY 1RTF	2.9	7	2	8624		94.2	0.198	0.198		29

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
x_dihedral_angle_d	25.93
x_scangle_it	7.457
x_mcangle_it	5.967
x_scbond_it	5.003
x_mcbond_it	3.657
x_angle_deg	1.673
x_improper_angle_d	1.302
x_bond_d	0.009
x_bond_d_na
x_bond_d_prot
x_angle_d
x_angle_d_na
x_angle_d_prot
x_angle_deg_na
x_angle_deg_prot
x_dihedral_angle_d_na
x_dihedral_angle_d_prot
x_improper_angle_d_na
x_improper_angle_d_prot

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2083
Nucleic Acid Atoms
Solvent Atoms	33
Heterogen Atoms	25

Software

Software
Software Name	Purpose
MOSFLM	data reduction
ROTAVATA	data reduction
X-PLOR	model building
X-PLOR	refinement
CCP4	data scaling
X-PLOR	phasing