2PIZ | pdb_00002piz

CRYSTAL STRUCTURE OF ACTIVATED PORCINE PANCREATIC CARBOXYPEPTIDASE B 2-(3-Guanidino-phenyl)-3-[hydroxy-(3-phenyl-propyl)-phosphinoyl]-propionic acid COMPLEX

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1Z5R	PDB ENTRY 1Z5R

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.5	298	SODIUM CHLORIDE, TRIS, SODIUM CACODYLATE, PEG 8000, VAPOR DIFFUSION, HANGING DROP, temperature 298K, pH 6.50

Crystal Properties
Matthews coefficient	Solvent content
2.2	44.05

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 66.793	α = 90
b = 100.885	β = 90
c = 136.064	γ = 90

Symmetry
Space Group	P 21 21 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	IMAGE PLATE	MAR scanner 345 mm plate		2000-12-07	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL7-1		SSRL	BL7-1

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	1.6	50	92.7	0.066	7.8	3.3		112304		-3	20.6

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)
	1.6	1.69	92.9		0.398	2.1	3.1

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	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	FOURIER SYNTHESIS	THROUGHOUT	PDB ENTRY 1Z5R	1.6	8	2	109789	109778	4510	90.9	0.233	0.232	0.22	0.264	0.26	RANDOM	26.2

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]
-2.53			13.14		-10.62

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	21.5
c_scangle_it	2.09
c_scbond_it	1.68
c_mcangle_it	1.37
c_mcbond_it	0.99
c_angle_deg	0.8
c_improper_angle_d	0.63
c_bond_d	0.011
c_bond_d_na
c_bond_d_prot

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	7322
Nucleic Acid Atoms
Solvent Atoms	567
Heterogen Atoms	84

Software

Software
Software Name	Purpose
X-PLOR	model building
CNX	refinement
MOSFLM	data reduction
SCALA	data scaling
X-PLOR	phasing

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.