1QIQ

ISOPENICILLIN N SYNTHASE FROM ASPERGILLUS NIDULANS (ACmC Fe COMPLEX)

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1BK0

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		8.5		1.8M LITHIUM SULPHATE, 100MM TRIS/HCL (PH8.5), (5MM FERROUS SULPHATE, 70 MM ACMC, 50MG/ML IPNS), pH 8.50

Crystal Properties
Matthews coefficient	Solvent content
2.221	39

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 46.81	α = 90
b = 71.66	β = 90
c = 101.63	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	IMAGE PLATE	MARRESEARCH	TOROIDAL MIRROR	1996-08-15	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SRS BEAMLINE PX9.6		SRS	PX9.6

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	1.5	30	89.7	0.069	7.3	2.4		46597			11.416

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	1.5	1.58	57.3		0.2	3.4	1.7

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-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1BK0	1.5	25	46597	1961	89.7	0.173	0.199	RANDOM	14.102

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
p_scangle_it	0.1441
p_scbond_it	0.1234
p_mcangle_it	0.1201
p_mcbond_it	0.1002
p_planar_d	0.059
p_angle_d	0.026
p_bond_d	0.011
p_angle_deg
p_hb_or_metal_coord
p_plane_restr
p_chiral_restr
p_singtor_nbd
p_multtor_nbd
p_xhyhbond_nbd
p_xyhbond_nbd
p_planar_tor
p_staggered_tor
p_orthonormal_tor
p_transverse_tor
p_special_tor

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2639
Nucleic Acid Atoms
Solvent Atoms	410
Heterogen Atoms	30

Software

Software
Software Name	Purpose
REFMAC	refinement
DENZO	data reduction
SCALA	data scaling