6QN0 | pdb_00006qn0

Three dimensional structure of human carbonic anhydrase XII in complex with benzenesulfonamide

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1JD0

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	5.6	294	0.2M AMMONIUM ACETATE, 0.1M SODIUM CITRATE, PH 5.6, 31% PEG 4000, PROTEIN CONC. 10 MG/ML, 5-10 MM INHIBITOR (STOCK SOLUTION WAS DISSOLVED IN 100% DMSO)

Crystal Properties
Matthews coefficient	Solvent content
2.24	45.17

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 45.76	α = 90.02
b = 74.76	β = 74.32
c = 76.23	γ = 90

Symmetry
Space Group	P 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	DECTRIS PILATUS 6M		2017-09-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	BESSY BEAMLINE 14.1	0.918400	BESSY	14.1

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	1.89	74.76	83.2	0.094	4.6	1.8		64810			21.92

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	1.89	1.99	82.8		0.433	2	1.8

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 (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1JD0	1.89	74.76	61577	3232	83.21	0.16778	0.16476	0.17	0.22458	0.23	RANDOM	22.388

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	-0.18	0.64	1.82	0.3	-0.99

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.611
r_dihedral_angle_4_deg	17.656
r_dihedral_angle_3_deg	14.485
r_dihedral_angle_1_deg	7.975
r_long_range_B_refined	5.274
r_long_range_B_other	5.217
r_scangle_other	3.877
r_mcangle_it	2.694
r_mcangle_other	2.694
r_scbond_it	2.489
r_scbond_other	2.489
r_mcbond_it	1.827
r_mcbond_other	1.826
r_angle_refined_deg	1.664
r_angle_other_deg	1.379
r_chiral_restr	0.077
r_bond_refined_d	0.01
r_gen_planes_refined	0.009
r_bond_other_d	0.003
r_gen_planes_other	0.003

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	8338
Nucleic Acid Atoms
Solvent Atoms	726
Heterogen Atoms	112

Software

Software
Software Name	Purpose
REFMAC	refinement
SCALA	data scaling