2CCH

The crystal structure of CDK2 cyclin A in complex with a substrate peptide derived from CDC modified with a gamma-linked ATP analogue

X-RAY DIFFRACTION

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Starting Model(s)

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

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	5.6	277	13% PEG MONOMETHYLETHER 5000, 0.2 M AMMONIUM SULPHATE, 0.1 M CITRATE/ACETATE BUFFER PH 5.6 AT 4 C

Crystal Properties
Matthews coefficient	Solvent content
2.9	57.7

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 74.535	α = 90
b = 114.483	β = 90
c = 181.299	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		2005-11-12	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	1.7	96	98	0.06	15.1	3.6		167702		2

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	1.7	1.79	91.5		0.37	2.8

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 Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 1QMZ	1.7	96.67	159215	8410	98.2	0.15	0.148	0.2	0.182	RANDOM	20.79

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]
0.32			-1.23		0.92

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	40.078
r_dihedral_angle_4_deg	17.764
r_dihedral_angle_3_deg	13.909
r_dihedral_angle_1_deg	5.701
r_scangle_it	3.895
r_scbond_it	2.957
r_mcangle_it	1.983
r_mcbond_it	1.674
r_angle_refined_deg	1.59
r_angle_other_deg	0.894
r_symmetry_hbond_refined	0.364
r_symmetry_vdw_refined	0.356
r_symmetry_vdw_other	0.345
r_nbd_refined	0.233
r_xyhbond_nbd_refined	0.199
r_nbd_other	0.194
r_nbtor_refined	0.18
r_chiral_restr	0.149
r_nbtor_other	0.086
r_bond_refined_d	0.017
r_gen_planes_refined	0.007
r_gen_planes_other	0.002
r_bond_other_d	0.001
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_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	9148
Nucleic Acid Atoms
Solvent Atoms	1045
Heterogen Atoms	79

Software

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