7EIW

Human histidine decarboxylase mutant Y334F reacted with histidine

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
2.09	41.28

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 69.902	α = 90
b = 57.654	β = 106.297
c = 117.647	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	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	2.1	50	99.6	0.069	20.6	3.7		52603

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	2.1	2.18			0.431

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	2.1	33.223	52583	2679	99.435	0.214	0.2119	0.2521	46.105

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]
0.775		2.994	-0.971		-1.328

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.93
r_dihedral_angle_3_deg	16.301
r_dihedral_angle_4_deg	16.055
r_dihedral_angle_1_deg	6.921
r_lrange_it	3.533
r_lrange_other	3.527
r_mcangle_it	2.043
r_mcangle_other	2.043
r_scangle_it	1.954
r_scangle_other	1.954
r_angle_refined_deg	1.319
r_mcbond_it	1.26
r_mcbond_other	1.258
r_scbond_it	1.167
r_scbond_other	1.161
r_angle_other_deg	1.152
r_symmetry_nbd_refined	0.229
r_symmetry_xyhbond_nbd_refined	0.215
r_nbd_refined	0.19
r_nbd_other	0.183
r_symmetry_nbd_other	0.175
r_nbtor_refined	0.159
r_xyhbond_nbd_refined	0.152
r_symmetry_nbtor_other	0.075
r_chiral_restr	0.057
r_chiral_restr_other	0.039
r_symmetry_xyhbond_nbd_other	0.024
r_bond_refined_d	0.005
r_gen_planes_refined	0.004
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	7431
Nucleic Acid Atoms
Solvent Atoms	151
Heterogen Atoms	30

Software

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