4Q07 | pdb_00004q07

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
2.01	38.4

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 41.931	α = 90
b = 41.214	β = 104.21
c = 72.066	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	69.862	92	0.065	8.6	3.5		77927			8.729

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	73.6		0.204	0.204	3.3	3.3	9036

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	69.86	77857	77857	7772	91.56	0.131	0.131	0.128	0.1249	0.158	0.1564	RANDOM	14.353

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]
-0.29		-0.17	-0.04		0.24

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.031
r_dihedral_angle_4_deg	23.529
r_sphericity_free	19.62
r_dihedral_angle_3_deg	14.477
r_sphericity_bonded	11.14
r_dihedral_angle_1_deg	7.189
r_rigid_bond_restr	6.764
r_angle_refined_deg	2.45
r_chiral_restr	0.138
r_bond_refined_d	0.023
r_gen_planes_refined	0.017

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2045
Nucleic Acid Atoms
Solvent Atoms	306
Heterogen Atoms	44

Software

Software
Software Name	Purpose
REFMAC	refinement
SCALA	data scaling
PDB_EXTRACT	data extraction
HKL-2000	data collection
XDS	data reduction
MOLREP	phasing