7EIX

Human histidine decarboxylase mutant Y334F

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	4E1O

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	8.5	293	0.1 M Tris-HCl (pH 8.5), 28% (w/v) PEG 3350, 0.2 M lithium sulfate

Crystal Properties
Matthews coefficient	Solvent content
2.14	42.47

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 57.984	α = 90
b = 85.086	β = 90
c = 188.302	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	ADSC QUANTUM 315		2012-06-26	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SPRING-8 BEAMLINE BL38B1	1.0000	SPring-8	BL38B1

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	1.9	35	99.2	0.086	22.5	6.5		73859

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	1.9	1.97			0.759

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 (All)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	4E1O	1.9	34.301	73762	3719	99.181	0.169	0.1671	0.2061	27.497

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]
0.108			-0.874		0.767

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.385
r_dihedral_angle_4_deg	16.836
r_dihedral_angle_3_deg	15.504
r_dihedral_angle_1_deg	6.996
r_lrange_it	3.703
r_lrange_other	3.674
r_scangle_it	2.339
r_scangle_other	2.33
r_angle_refined_deg	1.723
r_mcangle_it	1.681
r_mcangle_other	1.681
r_scbond_it	1.457
r_scbond_other	1.45
r_angle_other_deg	1.409
r_mcbond_it	1.098
r_mcbond_other	1.098
r_nbd_refined	0.213
r_symmetry_nbd_other	0.178
r_nbd_other	0.174
r_nbtor_refined	0.172
r_symmetry_nbd_refined	0.154
r_xyhbond_nbd_refined	0.134
r_symmetry_xyhbond_nbd_refined	0.13
r_chiral_restr_other	0.121
r_chiral_restr	0.085
r_symmetry_nbtor_other	0.083
r_bond_refined_d	0.011
r_gen_planes_refined	0.01
r_symmetry_xyhbond_nbd_other	0.003
r_gen_planes_other	0.002
r_bond_other_d	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	7416
Nucleic Acid Atoms
Solvent Atoms	397
Heterogen Atoms	35

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling
PHASER	phasing