1CE2 | pdb_00001ce2

STRUCTURE OF DIFERRIC BUFFALO LACTOFERRIN AT 2.5A RESOLUTION

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1BIY	BUFFALO LACTOFERRIN (1BIY)

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		8		pH 8.0

Crystal Properties
Matthews coefficient	Solvent content
2.9	57.6

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 77.462	α = 90
b = 91.035	β = 90
c = 131.507	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	303	IMAGE PLATE	MARRESEARCH	PINHOLE	1997-02-23	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RU200

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (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	2.5	15	90	0.069	0.068	15	1.8		29307		-3	62.8

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	2.5	2.66	76.1		0.14	0.14	4.08	1.1

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-Work (Depositor)	R-Free (Depositor)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	BUFFALO LACTOFERRIN (1BIY)	2.5	15	29307	1428	90	0.187	0.265	RANDOM	55

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]

RMS Deviations
Key	Refinement Restraint Deviation
x_dihedral_angle_d	26
x_scangle_it	8
x_mcangle_it	5.49
x_scbond_it	5.4
x_mcbond_it	3.52
x_angle_deg	1.3
x_improper_angle_d	0.62
x_bond_d	0.006
x_bond_d_na
x_bond_d_prot

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5314
Nucleic Acid Atoms
Solvent Atoms	91
Heterogen Atoms	10

Software

Software
Software Name	Purpose
DENZO	data reduction
AUTOMAR	data reduction
AMoRE	phasing
X-PLOR	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.