7ZUK

PENICILLIN-BINDING PROTEIN 1B (PBP-1B) in complex with lactone 7Az - Streptococcus pneumoniae R6

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2BG1	2BG1 WITHOUT RESIDUES 654 TO 660

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.2	293	50MM HEPES PH 7.2, 3M NACL, 0.6-0.9M AMMONIUM SULFATE

Crystal Properties
Matthews coefficient	Solvent content
3.33	63.03

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 96.608	α = 90
b = 148.936	β = 90
c = 99.704	γ = 90

Symmetry
Space Group	C 2 2 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	PIXEL	DECTRIS PILATUS 2M		2021-02-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE MASSIF-1	0.965459	ESRF	MASSIF-1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Sym I (Observed)	CC (Half)	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	1.631	44.16	96.8	0.069	0.998	10.16	4.4		86692			36.378

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.631	1.73	93.6		1.628	0.275	0.74

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 (All)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	2BG1 WITHOUT RESIDUES 654 TO 660	1.631	44.156	86692	2169	96.985	0.169	0.1684	0.1873	46.072

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]
-0.777			0.449		0.328

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.167
r_dihedral_angle_4_deg	16.416
r_dihedral_angle_3_deg	12.357
r_lrange_it	8.156
r_lrange_other	8.089
r_dihedral_angle_1_deg	7.345
r_scangle_it	5.24
r_scangle_other	5.239
r_scbond_it	3.554
r_scbond_other	3.553
r_mcangle_it	2.713
r_mcangle_other	2.712
r_mcbond_it	2.088
r_mcbond_other	2.088
r_angle_refined_deg	1.209
r_angle_other_deg	1.038
r_symmetry_xyhbond_nbd_refined	0.224
r_nbd_refined	0.206
r_nbd_other	0.194
r_symmetry_nbd_other	0.18
r_nbtor_refined	0.172
r_xyhbond_nbd_other	0.153
r_xyhbond_nbd_refined	0.145
r_symmetry_nbd_refined	0.108
r_symmetry_nbtor_other	0.09
r_chiral_restr	0.06
r_gen_planes_refined	0.029
r_gen_planes_other	0.025
r_bond_refined_d	0.007
r_symmetry_xyhbond_nbd_other	0.006
r_bond_other_d	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3506
Nucleic Acid Atoms
Solvent Atoms	495
Heterogen Atoms	55

Software

Software
Software Name	Purpose
REFMAC	refinement
XDS	data reduction
XSCALE	data scaling
PHASER	phasing