1ZT3

C-terminal domain of Insulin-like Growth Factor Binding Protein-1 isolated from human amniotic fluid

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.5	277	dioxane, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2	37.4

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 38.54	α = 90
b = 60.39	β = 90
c = 31.24	γ = 90

Symmetry
Space Group	P 21 21 2

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	mirrors	2004-02-17	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RU300	1.5418

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	1.8	18.92	99.5	0.041	14.2	6.2	7168	7168

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)
	1.8	1.9	98.1		0.274	2.8

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MIR	THROUGHOUT	1.8	18.92	7136	6801	335	99.3	0.235	0.2236	0.22112	0.27503	RANDOM	23.586

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]
1.89			-1.57		-0.33

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.224
r_dihedral_angle_3_deg	13.432
r_dihedral_angle_4_deg	11.129
r_dihedral_angle_1_deg	5.849
r_scangle_it	2.585
r_scbond_it	1.609
r_mcangle_it	1.226
r_angle_refined_deg	1.082
r_mcbond_it	0.731
r_nbtor_refined	0.305

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.224
r_dihedral_angle_3_deg	13.432
r_dihedral_angle_4_deg	11.129
r_dihedral_angle_1_deg	5.849
r_scangle_it	2.585
r_scbond_it	1.609
r_mcangle_it	1.226
r_angle_refined_deg	1.082
r_mcbond_it	0.731
r_nbtor_refined	0.305
r_nbd_refined	0.19
r_symmetry_vdw_refined	0.18
r_symmetry_hbond_refined	0.121
r_xyhbond_nbd_refined	0.116
r_chiral_restr	0.073
r_bond_refined_d	0.008
r_gen_planes_refined	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	642
Nucleic Acid Atoms
Solvent Atoms	42
Heterogen Atoms	6

Software

Software
Software Name	Purpose
REFMAC	refinement
MAR345	data collection
AUTOMAR	data reduction
SHARP	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 R01GM133198.