2QCS | pdb_00002qcs

A complex structure between the Catalytic and Regulatory subunit of Protein Kinase A that represents the inhibited state

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1U7E	PDB ENTRY 1U7E

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	5.5	298	2.0M(NH4)2SO4, 0.1M Citrate, pH 5.5, VAPOR DIFFUSION, SITTING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
4.39	71.95

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 125.809	α = 90
b = 125.809	β = 90
c = 140.941	γ = 120

Symmetry
Space Group	P 32 2 1

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		2006-02-14	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-ID	1.00	APS	19-ID

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	2.2	50	94.5	0.086	19.4	6.5		62263	2	2

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	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 1U7E	2.2	50	62262	59282	3160	94.9	0.194	0.192	0.19	0.225	0.22	RANDOM	31.49

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]
0.88	0.44		0.88		-1.32

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.645
r_dihedral_angle_3_deg	16.235
r_dihedral_angle_4_deg	15.281
r_dihedral_angle_1_deg	6.515
r_scangle_it	2.259
r_scbond_it	1.576
r_angle_refined_deg	1.439
r_mcangle_it	1.052
r_angle_other_deg	0.945
r_mcbond_it	0.708
r_symmetry_vdw_other	0.283
r_symmetry_hbond_refined	0.201
r_nbd_refined	0.194
r_nbd_other	0.194
r_symmetry_vdw_refined	0.191
r_nbtor_refined	0.176
r_xyhbond_nbd_refined	0.161
r_mcbond_other	0.142
r_nbtor_other	0.088
r_chiral_restr	0.086
r_bond_refined_d	0.013
r_gen_planes_refined	0.005
r_bond_other_d	0.001
r_gen_planes_other	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_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5059
Nucleic Acid Atoms
Solvent Atoms	289
Heterogen Atoms	96

Software

Software
Software Name	Purpose
HKL-2000	data collection
PHASES	phasing
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling