1K5Q

PENICILLIN ACYLASE, MUTANT COMPLEXED WITH PAA

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.2	277	MOPS BUFFER, PEG MME 2K, PAA , pH 7.20, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.17	43.23

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 50.76	α = 72.86
b = 63.96	β = 73.91
c = 64.24	γ = 73.5

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	MAC Science DIP-2020	MIRRORS	2000-01-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	ENRAF-NONIUS FR591	1.5418

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	2.34	30	92.9	0.043	15.9	1.943	30551	28382		-3

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	2.34	2.38	77.5		0.098	5.5

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	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1PNK	2.34	19.03	28355	26894	1461	92.9	0.16616	0.16337	0.21837	RANDOM	16.395

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]
-0.83	0.53	-0.54	0.1	-0.53	1.04

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_3_deg	16.076
r_dihedral_angle_1_deg	3.053
r_scangle_it	2.734
r_scbond_it	1.628
r_mcangle_it	1.089
r_angle_other_deg	0.87
r_mcbond_it	0.57
r_nbd_refined	0.218
r_nbd_other	0.21
r_symmetry_vdw_other	0.191
r_symmetry_vdw_refined	0.14
r_symmetry_hbond_refined	0.12
r_gen_planes_other	0.003
r_bond_other_d	0.001
r_bond_refined_d
r_angle_refined_deg
r_dihedral_angle_2_deg
r_dihedral_angle_4_deg
r_chiral_restr
r_gen_planes_refined
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_hbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6067
Nucleic Acid Atoms
Solvent Atoms	358
Heterogen Atoms	11

Software

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