1H2G

Altered substrate specificity mutant of penicillin acylase

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 PH 7.2, 12% MME PEG2K, STREAK-SEEDING

Crystal Properties
Matthews coefficient	Solvent content
2.4	48.9

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 52.02	α = 70.58
b = 64.23	β = 72.81
c = 70.67	γ = 73.84

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	RIGAKU IMAGE PLATE			M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RU200

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	20	93	0.04	14.8	2		50677

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	2.43	80		0.101	7.1	1.8

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	PDB ENTRY 1PNK	2	19.8	48141	2536	100	0.152	0.194	RANDOM	16.47

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]
-0.37	0.46	0.09	-0.63	1.09	-0.03

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_3_deg	13.99
r_mcangle_it	1.8
r_scangle_it	1.788
r_angle_refined_deg	1.683
r_dihedral_angle_1_deg	1.368
r_nbtor_other	1.127
r_scbond_it	1.112
r_mcbond_it	1.091
r_angle_other_deg	0.854
r_nbd_refined	0.326
r_symmetry_vdw_other	0.294
r_nbd_other	0.238
r_symmetry_vdw_refined	0.209
r_symmetry_hbond_refined	0.149
r_xyhbond_nbd_refined	0.141
r_chiral_restr	0.108
r_metal_ion_refined	0.08
r_bond_refined_d	0.013
r_gen_planes_refined	0.006
r_gen_planes_other	0.002
r_bond_other_d	0.001
r_dihedral_angle_2_deg
r_dihedral_angle_4_deg
r_nbtor_refined
r_xyhbond_nbd_other
r_metal_ion_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6061
Nucleic Acid Atoms
Solvent Atoms	596
Heterogen Atoms	17

Software

Software
Software Name	Purpose
REFMAC	refinement
DENZO	data reduction
Agrovata	data scaling
ROTAVATA	data scaling
AMoRE	phasing