1ORV

Crystal Structure of Porcine Dipeptidyl Peptidase IV (CD26)

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	8	293	20% PEG 2000, 0.1 M ammonium sulfate, 0.1 M Tris/HCl pH 8.0, VAPOR DIFFUSION, SITTING DROP, temperature 293.0K

Crystal Properties
Matthews coefficient	Solvent content
2.48	50.06

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 62	α = 112.76
b = 118.18	β = 94.93
c = 133.59	γ = 91.14

Symmetry
Space Group	P 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	100	CCD	MARRESEARCH	undulator	2000-04-12
2	1	x-ray	100	CCD	MARRESEARCH	undulator	2000-09-07	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	MPG/DESY, HAMBURG BEAMLINE BW6	1.05030	MPG/DESY, HAMBURG	BW6
2	SYNCHROTRON	MPG/DESY, HAMBURG BEAMLINE BW6	1.00500, 1.00920, 0.95000	MPG/DESY, HAMBURG	BW6

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
2	1.78	19.25				320230	320230			22

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 (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MAD	THROUGHOUT	1.8	19.25	309996	15446	96.2	0.217	0.217	0.217	0.252	RANDOM	36.2

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]
5.97	1.26	-0.75	-5.66	0.24	-0.31

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	25.2
c_scangle_it	2.9
c_scbond_it	2.02
c_mcangle_it	1.96
c_angle_deg	1.5
c_mcbond_it	1.31
c_improper_angle_d	0.89
c_bond_d	0.009
c_bond_d_na
c_bond_d_prot
c_angle_d
c_angle_d_na
c_angle_d_prot
c_angle_deg_na
c_angle_deg_prot
c_dihedral_angle_d_na
c_dihedral_angle_d_prot
c_improper_angle_d_na
c_improper_angle_d_prot

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	23864
Nucleic Acid Atoms
Solvent Atoms	1468
Heterogen Atoms	504

Software

Software
Software Name	Purpose
CNS	refinement
DENZO	data reduction
SCALEPACK	data scaling
MAIN	phasing