Experiment: 2AMH

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	5	298	PEG 20K, MnSO4, NaoAc, pH 5, VAPOR DIFFUSION, SITTING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.5	50

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 97.068	α = 90
b = 97.068	β = 90
c = 48.894	γ = 90

Symmetry
Space Group	I 4

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		2005-04-03	M	SINGLE WAVELENGTH
2	1	x-ray	100	CCD	ADSC QUANTUM 4		2005-05-15	M	MAD
3	1
1,2	1

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 8.2.1	0.9791	ALS	8.2.1
2	SYNCHROTRON	SSRL BEAMLINE BL1-5	0.9794, 0.9796, 0.9537	SSRL	BL1-5

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (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	2	18	99.8	0.073	0.073	6.5	7		15517	2.3	2

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	2	2.11	99.9	100	0.224	0.224	2.6	6.5

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MAD	THROUGHOUT	2	18	15471	771	99.5	0.199	0.199	0.197	0.231	RANDOM	25.606

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]
-0.26			-0.26		0.51

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.387
r_dihedral_angle_4_deg	22.75
r_dihedral_angle_3_deg	13.663
r_dihedral_angle_1_deg	5.219
r_scangle_it	2.94
r_scbond_it	1.862
r_mcangle_it	1.109
r_angle_refined_deg	1.071
r_mcbond_it	0.695
r_nbtor_refined	0.291

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.387
r_dihedral_angle_4_deg	22.75
r_dihedral_angle_3_deg	13.663
r_dihedral_angle_1_deg	5.219
r_scangle_it	2.94
r_scbond_it	1.862
r_mcangle_it	1.109
r_angle_refined_deg	1.071
r_mcbond_it	0.695
r_nbtor_refined	0.291
r_symmetry_vdw_refined	0.249
r_nbd_refined	0.182
r_symmetry_hbond_refined	0.124
r_xyhbond_nbd_refined	0.118
r_chiral_restr	0.066
r_bond_refined_d	0.009
r_gen_planes_refined	0.003

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1514
Nucleic Acid Atoms
Solvent Atoms	86
Heterogen Atoms	13

Software

Software
Software Name	Purpose
SCALA	data scaling
SOLVE	phasing
RESOLVE	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
Blu-Ice	data collection
CCP4	data scaling

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.