1E3A | pdb_00001e3a

A slow processing precursor penicillin acylase from Escherichia coli

X-RAY DIFFRACTION

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Starting Model(s)

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

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		7.2		50MM MOPS PH7.2, 18-20% PEG 5KME, 10MM CACL2, pH 7.20

Crystal Properties
Matthews coefficient	Solvent content
2.17	43

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 50.71	α = 66.14
b = 64.27	β = 74.18
c = 72	γ = 74.23

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	120	IMAGE PLATE	MARRESEARCH	SEGMENTED MIRROR	1997-11-15	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	EMBL/DESY, HAMBURG BEAMLINE X11		EMBL/DESY, HAMBURG	X11

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	1.8	20	96.9	0.063	10.3	1.9		70642			12.2

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	1.8	1.86	89.1		0.216	3.16	1.5

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 (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 1PNK	1.8	20	72879	3562	96.9	0.149	0.158	0.15	0.197	RANDOM	15.1

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_special_tor	15
p_staggered_tor	13.6
p_planar_tor	4
p_scangle_it	2.2
p_mcangle_it	1.67
p_scbond_it	1.5
p_mcbond_it	1.15
p_multtor_nbd	0.246
p_xyhbond_nbd	0.177
p_singtor_nbd	0.17
p_chiral_restr	0.113
p_bond_d	0.09
p_planar_d	0.029
p_angle_d	0.026
p_plane_restr	0.02
p_angle_deg
p_hb_or_metal_coord
p_xhyhbond_nbd
p_orthonormal_tor

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6455
Nucleic Acid Atoms
Solvent Atoms	1193
Heterogen Atoms	14

Software

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