1YPN

REDUCED FORM HYDROXYMETHYLBILANE SYNTHASE (K59Q MUTANT) CRYSTAL STRUCTURE AFTER 2 HOURS IN A FLOW CELL DETERMINED BY TIME-RESOLVED LAUE DIFFRACTION

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1AH5	PDB ENTRY 1AH5

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		5.3		pH 5.3

Crystal Properties
Matthews coefficient	Solvent content
2.52	50

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 88.47	α = 90
b = 76.15	β = 90
c = 50.79	γ = 90

Symmetry
Space Group	P 21 21 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	293	CCD			1995-11-22	L

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID09		ESRF	ID09

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	2.3	14.2	72.9	0.113	4.9	4.5		11383

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	2.3	2.36	69.5		0.262	2.3	2.8

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 (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 1AH5	2.3	8	11383	1176	72.9	0.199	0.199	0.29	RANDOM	22

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
x_dihedral_angle_d	22.23
x_angle_deg	1.671
x_improper_angle_d	1.276
x_bond_d	0.007
x_bond_d_na
x_bond_d_prot
x_angle_d
x_angle_d_na
x_angle_d_prot
x_angle_deg_na
x_angle_deg_prot
x_dihedral_angle_d_na
x_dihedral_angle_d_prot
x_improper_angle_d_na
x_improper_angle_d_prot
x_mcbond_it
x_mcangle_it
x_scbond_it
x_scangle_it

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2224
Nucleic Acid Atoms
Solvent Atoms	103
Heterogen Atoms	30

Software

Software
Software Name	Purpose
X-PLOR	model building
X-PLOR	refinement
DARESBURY	data reduction
LAUENORM	data scaling
CCP4	data scaling
X-PLOR	phasing