1QKA

OLIGO-PEPTIDE BINDING PROTEIN (OPPA) COMPLEXED WITH KRK

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		5.5		CO-CRYSTALLIZED WITH URANIUM ACETATE, PH 5.5

Crystal Properties
Matthews coefficient	Solvent content
2.45	45

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 109.926	α = 90
b = 75.446	β = 90
c = 70.061	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	120	IMAGE PLATE	R-AXIS IIC	MIRRORS		M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE

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	1.8	15	95.2	0.097	5.6	5.6		52404			17.5

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	1.8	1.9	72.4		0.309	1.2	2.4

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-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 1OLB	1.8	15	55059	2614	95.2	0.17586	0.22194	20.8

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
p_transverse_tor	29.8
p_staggered_tor	14
p_scangle_it	4.148
p_planar_tor	3.6
p_scbond_it	2.99
p_mcangle_it	2.772
p_mcbond_it	2.225
p_multtor_nbd	0.243
p_singtor_nbd	0.175
p_xyhbond_nbd	0.121
p_planar_d	0.027
p_angle_d	0.026
p_bond_d	0.01
p_angle_deg
p_hb_or_metal_coord
p_plane_restr
p_chiral_restr
p_xhyhbond_nbd
p_orthonormal_tor
p_special_tor

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4195
Nucleic Acid Atoms
Solvent Atoms	456
Heterogen Atoms	11

Software

Software
Software Name	Purpose
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling
CCP4	phasing