2WLQ

Nucleophile-disabled Lam16A mutant holds laminariheptaose (L7) in a cyclical conformation

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2CL2	PDB ENTRY 2CL2

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		5	293	8 MG/ML PROTEIN SOLUTION IN 10 MM NAOAC WAS MIXED WITH AN EQUAL VOLUME OF CRYSTALLIZATION BUFFER CONTAINING 20% PEG 3350, 0.2 M AMMONIUM NITRATE AND 10 MM SODIUM ACETATE BUFFER, PH 5.0, AT 20 DEGREES. SOAKING: 24 H IN 5 MM LAMINAROHEPTASACCHARIDE. CRYOPROTECTANT CONTAINED 35 % (W/V) PEG 3350, 0.2 M AMMONIUM NITRATE AND 10 MM SODIUM ACETATE BUFFER, PH 5.0

Crystal Properties
Matthews coefficient	Solvent content
2	40

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 38.273	α = 90
b = 47.91	β = 90
c = 152.4	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	CCD	MARRESEARCH	COLLIMATOR AND FOCUSING MIRROR	2006-09-13	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	MAX II BEAMLINE I911-3		MAX II	I911-3

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	1.4	23.8	98.2	0.08	16.6	6.3		56288		2

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	1.4	1.48	99.2		0.4	3.3	4.4

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	PDB ENTRY 2CL2	1.4	23.843	56165	2851	99.781	0.171	0.1696	0.17	0.194	0.19	RANDOM	12.998

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]

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.486
r_dihedral_angle_4_deg	17.745
r_dihedral_angle_3_deg	10.593
r_dihedral_angle_1_deg	6.648
r_scangle_it	2.95
r_scbond_it	1.965
r_angle_refined_deg	1.615
r_mcangle_it	1.482
r_mcbond_it	0.842
r_nbtor_refined	0.321
r_symmetry_vdw_refined	0.229
r_nbd_refined	0.205
r_symmetry_hbond_refined	0.162
r_chiral_restr	0.145
r_xyhbond_nbd_refined	0.119
r_bond_refined_d	0.012
r_gen_planes_refined	0.008
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_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	2244
Nucleic Acid Atoms
Solvent Atoms	363
Heterogen Atoms	161

Software

Software
Software Name	Purpose
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling
SCALA	phasing