4Q06 | pdb_00004q06

Crystal structure of chimeric carbonic anhydrase IX with inhibitor

X-RAY DIFFRACTION

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Starting Model(s)

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

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7	291	Crystallization buffer was 0.1M sodium BICINE, pH 9, 0.2 M ammonium sulfate and 2M sodium malonate pH 7 made from 1M sodium BICINE and 3.4M sodium malonate, VAPOR DIFFUSION, SITTING DROP, temperature 291K

Crystal Properties
Matthews coefficient	Solvent content
2.03	38.9

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 42.015	α = 90
b = 41.343	β = 104.14
c = 72.194	γ = 90

Symmetry
Space Group	P 1 21 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	PIXEL	PSI PILATUS 6M		2013-05-21	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	PETRA III, EMBL c/o DESY BEAMLINE P13 (MX1)	0.826606	PETRA III, EMBL c/o DESY	P13 (MX1)

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	1.149	70.006	91.4	0.063	14.7	7		77998			10.186

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)
1	1.15	1.21	72		0.189	0.189	4	6.7	8923

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 (All)	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	MR	THROUGHOUT	PDB ENTRY 3HLJ	1.15	40.74	77978	77978	7910	91.01	0.14	0.14	0.137	0.1331	0.168	0.1658	RANDOM	17.922

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]
0.08		-0.12	-0.15		0.01

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.144
r_sphericity_free	22.712
r_dihedral_angle_4_deg	20.563
r_sphericity_bonded	14.336
r_dihedral_angle_3_deg	14.055
r_rigid_bond_restr	8.976
r_dihedral_angle_1_deg	7.018
r_angle_refined_deg	2.448
r_chiral_restr	0.168
r_bond_refined_d	0.024
r_gen_planes_refined	0.014

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2055
Nucleic Acid Atoms
Solvent Atoms	292
Heterogen Atoms	42

Software

Software
Software Name	Purpose
REFMAC	refinement
SCALA	data scaling
PDB_EXTRACT	data extraction