3VM7

Structure of an Alpha-Amylase from Malbranchea cinnamomea

X-RAY DIFFRACTION

---

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	4.6	291	0.2M ammonium acetate, 0.1M sodium acetate trihydrate pH 4.6, 30% w v-1 PEG 4000, VAPOR DIFFUSION, SITTING DROP, temperature 291K

Crystal Properties
Matthews coefficient	Solvent content
2.22	44.5

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 51.9	α = 90
b = 84.94	β = 105.61
c = 56.41	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	IMAGE PLATE	RIGAKU RAXIS IV++	mirrors	2011-06-13	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	OTHER	1.5418

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	55.52	100				22344	6	6

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)
1	2.25	2.38	99.9		0.065	0.065	0.078	13	18614

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (All)	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	2.25	49.99	22327	20325	2003	100	0.14687	0.14267	0.1908	RANDOM	22.357

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]
-0.17		-0.15	-0.34		0.44

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.346
r_dihedral_angle_3_deg	15.505
r_dihedral_angle_4_deg	10.916
r_dihedral_angle_1_deg	6.334
r_scangle_it	2.464
r_scbond_it	1.557
r_angle_refined_deg	1.419
r_mcangle_it	0.957
r_mcbond_it	0.485
r_chiral_restr	0.165
r_bond_refined_d	0.01
r_gen_planes_refined	0.005
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3660
Nucleic Acid Atoms
Solvent Atoms	396
Heterogen Atoms	35

Software

Software
Software Name	Purpose
CrystalClear	data collection
PHENIX	model building
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling
PHENIX	phasing