2VVA

Human carbonic anhydrase in complex with CO2

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2CBA	PDB ENTRY 2CBA

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1				2.4 M (NH4)2(SO4). 0.1 M TRIS PH = 8.5

Crystal Properties
Matthews coefficient	Solvent content
2.11	42

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 42.589	α = 90
b = 41.577	β = 104.84
c = 72.636	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	CCD	MARRESEARCH	MIRROR		M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ELETTRA BEAMLINE 5.2R		ELETTRA	5.2R

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	1.56	28.9	90.5	0.04		4.7		35235

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	1.56	1.64	93.7		0.11		4.5

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	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 2CBA	1.56	70.19	30130	1614	90.1	0.156	0.153	0.2	RANDOM	9.79

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]
0.35		-0.13	-0.28		-0.13

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.45
r_dihedral_angle_4_deg	23.914
r_dihedral_angle_3_deg	11.71
r_dihedral_angle_1_deg	6.551
r_scangle_it	3.488
r_scbond_it	2.633
r_angle_refined_deg	1.682
r_mcangle_it	1.66
r_mcbond_it	1.354
r_angle_other_deg	0.965
r_symmetry_vdw_other	0.263
r_symmetry_vdw_refined	0.199
r_nbd_refined	0.196
r_nbd_other	0.195
r_nbtor_refined	0.18
r_xyhbond_nbd_refined	0.144
r_symmetry_hbond_refined	0.13
r_chiral_restr	0.105
r_nbtor_other	0.087
r_bond_refined_d	0.017
r_gen_planes_refined	0.009
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_mcbond_other
r_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2059
Nucleic Acid Atoms
Solvent Atoms	350
Heterogen Atoms	24

Software

Software
Software Name	Purpose
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling