Experiment: 3ACL

Crystal Structure of Human Pirin in complex with Triphenyl Compound

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1J1L	PDB ENTRY 1J1L

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	6.5	293	34% PEG 3350, 0.1M PIPES, 0.1M MGCL2, 1.4mM INHIBITOR, PH 6.5, VAPOR DIFFUSION, TEMPERATURE 293K

Crystal Properties
Matthews coefficient	Solvent content
2.33	47.25

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 42.343	α = 90
b = 67.415	β = 90
c = 107.785	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	MARMOSAIC 225 mm CCD		2009-05-19	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SPRING-8 BEAMLINE BL26B2	1.0	SPring-8	BL26B2

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	2.35	50	99.9	0.127	0.127	16	6.8	13554	13541			22.3

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)
	2.35	2.39	100		0.34	0.34	3.803	6.5

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 (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 1J1L	2.35	35.86	13409	13378	662	99.8	0.203	0.203	0.2105	0.246	0.2525	RANDOM	19.79

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
c_dihedral_angle_d	27
c_scangle_it	3.91
c_scbond_it	2.63
c_mcangle_it	2.49
c_angle_deg	1.6
c_mcbond_it	1.57
c_improper_angle_d	1.04
c_bond_d	0.009

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2251
Nucleic Acid Atoms
Solvent Atoms	131
Heterogen Atoms	28

Software

Software
Software Name	Purpose
MOLREP	phasing
CNS	refinement
PDB_EXTRACT	data extraction
BSS	data collection
HKL-2000	data reduction
HKL-2000	data scaling