3UCN | pdb_00003ucn

Coccomyxa beta-carbonic anhydrase in complex with azide

X-RAY DIFFRACTION

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Starting Model(s)

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

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.2	291	1.6-2.3 M sodium/potassium phosphate, 2.5 mM azide, pH 7.2, VAPOR DIFFUSION, HANGING DROP, temperature 291K

Crystal Properties
Matthews coefficient	Solvent content
3.21	61.74

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 75.651	α = 90
b = 75.651	β = 90
c = 222.221	γ = 90

Symmetry
Space Group	P 43 21 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	293	IMAGE PLATE	MAC Science DIP-2030		2000-11-20	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	ENRAF-NONIUS FR591	1.5418

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	2.25	24.317	99.1	0.078			29541	29541

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.25	2.37	97.2		0.618

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	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 3UCJ	2.25	24.317	29338	29338	1561	97.74	0.16075	0.16075	0.15871	0.1535	0.19982	0.1932	RANDOM	52.142

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]
0.22			0.22		-0.44

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	42.421
r_dihedral_angle_3_deg	17.024
r_dihedral_angle_4_deg	12.901
r_dihedral_angle_1_deg	6.248
r_scangle_it	6.131
r_scbond_it	3.65
r_mcangle_it	2.168
r_angle_refined_deg	1.909
r_mcbond_it	1.149
r_chiral_restr	0.131
r_bond_refined_d	0.023
r_gen_planes_refined	0.01

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3390
Nucleic Acid Atoms
Solvent Atoms	189
Heterogen Atoms	9

Software

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