1PFQ

crystal structure of human apo dipeptidyl peptidase IV / CD26

X-RAY DIFFRACTION

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Crystallization

Crystal Properties
Matthews coefficient	Solvent content
2.28	46.14

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 71.031	α = 90
b = 118.142	β = 90
c = 184.583	γ = 90

Symmetry
Space Group	P 21 21 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray						M	SINGLE WAVELENGTH

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Sym 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	1.9	20	99.7	0.126				122631

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	MIR	THROUGHOUT	1.9	20	115106	6101	98.71	0.25614	0.25614	0.25396	0.29807	RANDOM	39.52

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]
-0.4			-1.04		1.43

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	21.363
r_dihedral_angle_1_deg	8.085
r_mcangle_it	1.141
r_scangle_it	0.889
r_nbtor_other	0.747
r_angle_refined_deg	0.649
r_scbond_it	0.621
r_mcbond_it	0.616
r_angle_other_deg	0.527
r_symmetry_vdw_refined	0.501
r_symmetry_vdw_other	0.489
r_symmetry_hbond_refined	0.483
r_nbd_refined	0.256
r_nbd_other	0.255
r_xyhbond_nbd_refined	0.214
r_xyhbond_nbd_other	0.184
r_chiral_restr	0.043
r_bond_refined_d	0.004
r_gen_planes_refined	0.002
r_gen_planes_other	0.001
r_bond_other_d

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	11890
Nucleic Acid Atoms
Solvent Atoms	472
Heterogen Atoms	56

Software

Software
Software Name	Purpose
REFMAC	refinement