Experiment: 1PCI

X-RAY DIFFRACTION

Starting Model(s)

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

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		7		pH 7.

Crystal Properties
Matthews coefficient	Solvent content
3.84	62

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 84	α = 90
b = 205.4	β = 90
c = 192.2	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	IMAGE PLATE	MARRESEARCH		1994-12-23	M

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SRS BEAMLINE PX9.6	0.87, 1.0	SRS	PX9.6

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	3.2	96.2	98.6	0.086	3.8	5.1		27079		1	0.29

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)
	3.21	3.34	98.6		0.169		5.1

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	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	COMBINED MOLECULAR REPLACEMENT AND ISOMORPHOUS REPLACEMENT	FREE R	MATURE CARICAIN (PDB ENTRY 1PPO)	3.2	90.6	1	27079	1451		0.226	0.226	0.286	DATAMAN, SPHERICAL SHELLS	0.94

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]
16.8505			-11.3966		-5.4539

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3030
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms

Software

Software
Software Name	Purpose
DENZO	data reduction
CCP4	data reduction
DM	model building
RAVE	model building
X-PLOR	model building
X-PLOR	refinement
CCP4	data scaling
DM	phasing
RAVE	phasing
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.