1AI5

PENICILLIN ACYLASE COMPLEXED WITH M-NITROPHENYLACETIC ACID

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	streak seeded	7.2		CRYSTALLIZED FROM 10% PEG 8000, 50MM MOPS, PH 7.2, STREAK SEEDED. SOAKED IN 5MM M-NITROPHENYLACETIC ACID, streak seeded

Crystal Properties
Matthews coefficient	Solvent content
3.06	59.5

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 52.12	α = 100.2
b = 65.08	β = 111.44
c = 76.3	γ = 105.81

Symmetry
Space Group	P 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	300	IMAGE PLATE	MARRESEARCH		1995-08-21	M

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	EMBL/DESY, HAMBURG BEAMLINE X31		EMBL/DESY, HAMBURG	X31

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	2.36	26.12	97.4	0.091	8.2	2.1		34287			19.02

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	2.35	2.48	93.4		0.331	2.3	2

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	STRUCTURE ISOMORPHOUS TO NATIVE	FREE_R	2.36	26.12	34287	2394	97.4	0.1493	0.2215	BASED ON NATIVE	30.47

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_transverse_tor	26.8
p_staggered_tor	19.2
p_scangle_it	9.464
p_scbond_it	7.402
p_planar_tor	5.2
p_mcangle_it	4.4
p_mcbond_it	3.369
p_multtor_nbd	0.324
p_singtor_nbd	0.184
p_xyhbond_nbd	0.155
p_chiral_restr	0.152
p_planar_d	0.046
p_angle_d	0.041
p_plane_restr	0.0266
p_bond_d	0.016
p_angle_deg
p_hb_or_metal_coord
p_xhyhbond_nbd
p_orthonormal_tor
p_special_tor

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6071
Nucleic Acid Atoms
Solvent Atoms	663
Heterogen Atoms	14

Software

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