4OGX

Crystal structure of Fab DX-2930 in complex with human plasma kallikrein at 2.4 Angstrom resolution

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2ANY	PDB ENTRY 2ANY

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.5	289	FAB DX-2930 AND HUMAN PLASMA KALLIKREIN VCID 7481 AT 150 UM OR 11.7 MG/ML AGAINST WIZ3-4 screen condition H7, 30% MPD, 10% PEG 3350, 0.1 M imidazole pH 6.5, 0.2 M ammonium sulfate, unique puck ID QJO1-12, crystal tracking ID 242118H7 , VAPOR DIFFUSION, SITTING DROP, temperature 289K

Crystal Properties
Matthews coefficient	Solvent content
2.67	54

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 109.61	α = 90
b = 171.5	β = 90
c = 42.32	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	100	CCD	RIGAKU SATURN 944+	VARIMAX	2013-02-21	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU FR-E+ SUPERBRIGHT	1.5418

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	2.4	50	99.9	0.112	15.74	6.7	32254	32218		-3	30.87

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	2.4	2.45	99.6		0.477	2.9	4

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 2ANY	2.4	41.12	32165	1598	99.89	0.188	0.185	0.236	RANDOM	25.07

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]
-0.73			0.17		0.56

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.967
r_dihedral_angle_4_deg	18.181
r_dihedral_angle_3_deg	14.745
r_dihedral_angle_1_deg	6.686
r_mcangle_it	2.547
r_mcbond_other	1.573
r_mcbond_it	1.572
r_angle_refined_deg	1.464
r_angle_other_deg	0.786
r_chiral_restr	0.083
r_bond_refined_d	0.012
r_gen_planes_refined	0.006
r_bond_other_d	0.001
r_gen_planes_other	0.001
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_scbond_it
r_scangle_it
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5034
Nucleic Acid Atoms
Solvent Atoms	270
Heterogen Atoms	30

Software

Software
Software Name	Purpose
XSCALE	data scaling
PHASER	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
StructureStudio	data collection
XDS	data reduction