9EP2 | pdb_00009ep2

Crystal structure of the complex of human carbonic anhydrase I with 4-sulfamoylphenyl 3-(p-tolylthio)propanoate

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1JV0

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	9	296	28-31% PEG4000, 0.2 M sodium acetate, 0.1 M Tris pH 9.0

Crystal Properties
Matthews coefficient	Solvent content
2.33	47.18

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 62.64	α = 90
b = 70.9	β = 90
c = 121.25	γ = 90

Symmetry
Space Group	P 21 21 21

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		2023-05-04	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ELETTRA BEAMLINE 11.2C	1.00	ELETTRA	11.2C

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	CC (Half)	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	1.47	61.2	99.9	0.074	0.078	0.999	17.35	12.43		92188

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.47	1.51	99.9		1.27	1.325	0.826	2.27	12.29

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	NONE	1.47	61.2	92188	4708	99.891	0.163	0.1603	0.1813	0.2086	0.2322	26.347

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]
-1.616			6.008		-4.391

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.175
r_dihedral_angle_4_deg	19.446
r_rigid_bond_restr	12.796
r_dihedral_angle_3_deg	12.772
r_dihedral_angle_1_deg	7.476
r_scangle_it	5.671
r_scangle_other	5.67
r_lrange_it	5.566
r_lrange_other	5.566
r_scbond_it	5.117
r_scbond_other	5.116
r_mcangle_it	3.903
r_mcangle_other	3.903
r_mcbond_it	3.582
r_mcbond_other	3.58
r_angle_refined_deg	1.775
r_angle_other_deg	1.5
r_symmetry_xyhbond_nbd_refined	0.219
r_nbd_other	0.214
r_symmetry_nbd_refined	0.212
r_nbd_refined	0.208
r_symmetry_nbd_other	0.192
r_xyhbond_nbd_refined	0.179
r_nbtor_refined	0.167
r_chiral_restr	0.093
r_metal_ion_refined	0.088
r_symmetry_nbtor_other	0.083
r_symmetry_xyhbond_nbd_other	0.08
r_bond_refined_d	0.013
r_gen_planes_refined	0.012
r_bond_other_d	0.004
r_gen_planes_other	0.003

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4042
Nucleic Acid Atoms
Solvent Atoms	442
Heterogen Atoms	56

Software

Software
Software Name	Purpose
REFMAC	refinement
XDS	data reduction
XSCALE	data scaling
REFMAC	phasing