Experiment: 3BLR

Crystal Structure of Human CDK9/cyclinT1 in complex with Flavopiridol

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3BLH	PDB ENTRY 3BLH

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.2	277	0.1M NaK phosphate, 20% PEG 1000, 0.2M NaCl, 4mM TCEP, 0.1mM Flavopiridol , pH 6.2, VAPOR DIFFUSION, SITTING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
4.15	70.35

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 173.922	α = 90
b = 173.922	β = 90
c = 97.173	γ = 120

Symmetry
Space Group	H 3

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 QUANTUM 315		2007-11-18	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-4	0.9765	ESRF	ID14-4

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	R Sym 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	2.8	38.378	99.8	0.093	0.093	5	5.7	26960	26960	1	1

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	2.8	2.95	100		0.585	0.585	1.2	5.8	3943

Refinement

Statistics
Diffraction ID	Structure Solution Method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (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	PDB ENTRY 3BLH	2.8	36.96	26960	26956	2699	99.55	0.176	0.17	0.228	0.219	RANDOM	89.79

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]
1.301			1.301		-2.602

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	10.303
f_nbd_refined	4.075
f_angle_d	0.66
f_chiral_restr	0.049
f_bond_d	0.004
f_plane_restr	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4488
Nucleic Acid Atoms
Solvent Atoms	20
Heterogen Atoms	43

Software

Software
Software Name	Purpose
ProDC	data collection
PHASES	phasing
PHENIX	refinement
MOSFLM	data reduction
SCALA	data scaling