Experiment: 1B5F

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1LYB	HUMAN CATHEPSIN D (PDB ENTRY 1LYB))

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		5.5		LYOPHILIZED PROTEIN DISSOLVED IN WATER TO 12 MG/ML, SITTING DROPS OF PROTEIN SOLUTION AN ALIQUOTA OF PRECIPITANT SOLUTION, COMPOSED OF PEG 4 K 40%, SODIUM CITRATE BUFFER 0.1 M AND AMMONIUM ACETATE 0.2 M, pH 5.5

Crystal Properties
Matthews coefficient	Solvent content
2.26	46

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 116.964	α = 90
b = 87.186	β = 104.43
c = 81.303	γ = 90

Symmetry
Space Group	C 1 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	MARRESEARCH		1997-04-05	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	EMBL/DESY, HAMBURG BEAMLINE X11		EMBL/DESY, HAMBURG	X11

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	1.72	34.78	96.9	0.062	15.9	11.3		84399

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	1.72	1.75	99.3		0.413	2.5	2.9

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R	HUMAN CATHEPSIN D (PDB ENTRY 1LYB))	1.72	34.8	83681	3994	99.8	0.206	0.205		0.256	RANDOM

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]

Coordinate Error
Structure Solution Method	Refinement High Resolution	Refinement Low Resolution
18	4964	5754.5

RMS Deviations
Key	Refinement Restraint Deviation
s_similar_adp_cmpnt	0.069
s_non_zero_chiral_vol	0.045
s_similar_dist	0.04
s_zero_chiral_vol	0.038
s_from_restr_planes	0.03
s_angle_d	0.025
s_anti_bump_dis_restr	0.021
s_bond_d	0.007
s_rigid_bond_adp_cmpnt
s_approx_iso_adps

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5000
Nucleic Acid Atoms
Solvent Atoms	528
Heterogen Atoms	229

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
AMoRE	phasing
SHELXL-97	refinement

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.