1QKB

OLIGO-PEPTIDE BINDING PROTEIN (OPPA) COMPLEXED WITH KVK

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
2.47	50

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 109.73	α = 90
b = 75.78	β = 90
c = 70.27	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	RIGAKU IMAGE PLATE	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	1.75	15	92.2	0.079	6.5	6.4		59716			14

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.75	1.8	59.6

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	54595	2712	99.5	0.18134	0.21528	17.8

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	29.3
p_staggered_tor	14.3
p_planar_tor	3.5
p_scangle_it	2.424
p_mcangle_it	1.773
p_scbond_it	1.609
p_mcbond_it	1.23
p_multtor_nbd	0.252
p_singtor_nbd	0.176
p_xyhbond_nbd	0.132
p_planar_d	0.028
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	4191
Nucleic Acid Atoms
Solvent Atoms	464
Heterogen Atoms	36

Software

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