3GUU

X-ray structure of Candida Antarctica lipase A

X-RAY DIFFRACTION

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Starting Model(s)

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

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8.5	294	1.5M Ammonium sulfate, 12% glycerol, 100mM TRIS-HCl pH 8.5 , VAPOR DIFFUSION, HANGING DROP, temperature 294.0K

Crystal Properties
Matthews coefficient	Solvent content
3.23	61.89

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 92.1	α = 90
b = 92.1	β = 90
c = 300.4	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	100	CCD	ADSC QUANTUM 4		2007-12-03	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-2	0.93300	ESRF	ID14-2

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	2.1	20	98.2	0.174	9.64	6.5	88351	86764		-3	20.9

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)
	2.1	2.3	96.4		0.433	0.434	4.42	6.3	17290

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 2VEO	2.1	19.92	71879	3784	100	0.19136	0.18914	0.23365	RANDOM	14.292

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]
0.47			0.47		-0.94

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.19
r_dihedral_angle_4_deg	19.455
r_dihedral_angle_3_deg	15.092
r_dihedral_angle_1_deg	6.131
r_angle_other_deg	3.689
r_scangle_it	3.487
r_scbond_it	2.366
r_angle_refined_deg	1.713
r_mcangle_it	1.339
r_mcbond_it	0.869
r_nbd_other	0.375
r_nbtor_refined	0.31
r_nbd_refined	0.22
r_xyhbond_nbd_refined	0.178
r_symmetry_vdw_refined	0.178
r_symmetry_hbond_refined	0.134
r_chiral_restr	0.125
r_nbtor_other	0.124
r_bond_other_d	0.12
r_bond_refined_d	0.02
r_gen_planes_refined	0.007

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6535
Nucleic Acid Atoms
Solvent Atoms	499
Heterogen Atoms	43

Software

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