3KAB | pdb_00003kab

Structure-guided design of alpha-amino acid-derived Pin1 inhibitors

X-RAY DIFFRACTION

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Starting Model(s)

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

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	277	2.2M Ammonium sulphate, 0.1M HEPES buffer, 1% PEG 400, 5mM DTT, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.91	57.71

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 68.391	α = 90
b = 68.391	β = 90
c = 79.811	γ = 120

Symmetry
Space Group	P 31 2 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	IMAGE PLATE	RIGAKU RAXIS IV++	mirrors	2005-10-05	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RUH3R	1.5418

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	2.19	27.8	99.6	0.084	11.4	6.8	11393	11393	1	1

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)
	2.19	2.27	96.7		0.521	1.5	6.4	1025

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 (All)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 1PIN	2.19	27.74	11393	10842	547	99.58	0.21407	0.21407	0.21186	0.2135	0.25711	0.2584	RANDOM	44.793

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]
0.07	0.03		0.07		-0.1

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.094
r_dihedral_angle_4_deg	21.558
r_dihedral_angle_3_deg	18.606
r_dihedral_angle_1_deg	7.462
r_scangle_it	5.153
r_scbond_it	3.165
r_angle_refined_deg	2.098
r_mcangle_it	2.093
r_mcbond_it	1.11
r_chiral_restr	0.134
r_bond_refined_d	0.022
r_gen_planes_refined	0.009

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1164
Nucleic Acid Atoms
Solvent Atoms	81
Heterogen Atoms	36

Software

Software
Software Name	Purpose
CrystalClear	data collection
AMoRE	phasing
REFMAC	refinement
d*TREK	data reduction
d*TREK	data scaling