2WHB

Truncation and Optimisation of Peptide Inhibitors of CDK2, Cyclin A Through Structure Guided Design

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1OL1	PDB ENTRY 1OL1

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		7.8		18% V/V PEG3350 AND 0.1M SODIUM CITRATE, pH 7.8

Crystal Properties
Matthews coefficient	Solvent content
2.48	50.02

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 74.423	α = 90
b = 114.924	β = 90
c = 154.468	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	100	CCD	ADSC CCD	MIRRORS	2004-04-16	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-4		ESRF	ID14-4

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	2.9	30	98	0.12	4.4	3.5		29405		3

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	2.9	3.06	96.2		0.67	1.6

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-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 1OL1	2.9	30	28324	944	97.36	0.1887	0.18614	0.19	0.26393	0.27	RANDOM	43.787

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]
-1.7			0.34		1.35

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	41.543
r_dihedral_angle_3_deg	21.668
r_dihedral_angle_4_deg	21.414
r_scangle_it	8.191
r_dihedral_angle_1_deg	7.95
r_scbond_it	5.561
r_mcangle_it	3.718
r_angle_refined_deg	2.589
r_mcbond_it	2.375
r_angle_other_deg	1.258
r_mcbond_other	0.532
r_nbd_refined	0.253
r_symmetry_hbond_refined	0.25
r_nbd_other	0.234
r_nbtor_refined	0.213
r_symmetry_vdw_other	0.208
r_xyhbond_nbd_refined	0.207
r_symmetry_vdw_refined	0.143
r_xyhbond_nbd_other	0.134
r_chiral_restr	0.133
r_nbtor_other	0.113
r_bond_refined_d	0.013
r_gen_planes_refined	0.009
r_gen_planes_other	0.002
r_bond_other_d	0.001
r_metal_ion_refined
r_metal_ion_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	9013
Nucleic Acid Atoms
Solvent Atoms	100
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling
MOLREP	phasing