1WN0

Crystal Structure of Histidine-containing Phosphotransfer Protein, ZmHP2, from maize

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	Other		selenomethionine labeled protein

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	4.2	293	50mM ammonium sulfate, 100mM sodium acetate buffer, pH 4.2, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
3.49	65

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 148.8	α = 90
b = 81.41	β = 123.42
c = 89.5	γ = 90

Symmetry
Space Group	C 1 2 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	RIGAKU JUPITER 210		2003-02-28	M	SINGLE WAVELENGTH
2	1	x-ray		M	MAD
1,2	1

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SPRING-8 BEAMLINE BL45XU	1.00	SPring-8	BL45XU
2	SYNCHROTRON	SPRING-8 BEAMLINE BL45XU	0.9791, 0.9793, 0.982	SPring-8	BL45XU

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	2.2	20	94.1				42707

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1,2	2.2	2.28	91.7

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	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	selenomethionine labeled protein	2.2	19.84	42707	40566	2141	94.23	0.211	0.211	0.209	0.248	RANDOM

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_scangle_it	7.42
r_dihedral_angle_1_deg	6.277
r_scbond_it	4.59
r_mcangle_it	2.713
r_angle_refined_deg	2.556
r_mcbond_it	1.542
r_angle_other_deg	1.178
r_symmetry_vdw_other	0.316
r_symmetry_vdw_refined	0.278
r_nbd_other	0.253
r_nbd_refined	0.248
r_chiral_restr	0.189
r_xyhbond_nbd_refined	0.188
r_symmetry_hbond_refined	0.174
r_nbtor_other	0.102
r_bond_refined_d	0.041
r_gen_planes_refined	0.012
r_gen_planes_other	0.004
r_bond_other_d	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4175
Nucleic Acid Atoms
Solvent Atoms	103
Heterogen Atoms

Software

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