4OGY

Crystal structure of Fab DX-2930 in complex with human plasma kallikrein at 2.1 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 AND 3IDX
experimental model	PDB	3IDX	PDB ENTRY 2ANY AND 3IDX

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 INDEX screen condition D10, 20% PEG 5000 MME, 0.1 M BisTris pH 6.5 supplemented with 20% ethylene glycol as cryo-protectant, unique puck ID qjo1-15, crystal tracking ID 242121d10, VAPOR DIFFUSION, SITTING DROP, temperature 289K

Crystal Properties
Matthews coefficient	Solvent content
2.8	56

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 82.12	α = 90
b = 113.76	β = 94.7
c = 89.05	γ = 90

Symmetry
Space Group	P 1 21 1

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	2013-02-22	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	2.1	50	99.8	0.076	22.6	7.3	95084	94897		-3	28.24

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	2.1	2.14	98.8		0.346	5.8	6.1

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 AND 3IDX	2.1	40.59	94873	4757	99.82	0.185	0.183	0.221	RANDOM	26.51

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]
0.31		-0.07	-0.15		-0.16

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.178
r_dihedral_angle_4_deg	18.85
r_dihedral_angle_3_deg	13.144
r_dihedral_angle_1_deg	6.553
r_mcangle_it	1.441
r_angle_refined_deg	1.361
r_angle_other_deg	0.954
r_mcbond_it	0.807
r_mcbond_other	0.807
r_chiral_restr	0.083
r_bond_refined_d	0.011
r_gen_planes_refined	0.006
r_bond_other_d	0.004
r_gen_planes_other	0.004
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	9991
Nucleic Acid Atoms
Solvent Atoms	1020
Heterogen Atoms	12

Software

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