1QHU

MAMMALIAN BLOOD SERUM HAEMOPEXIN DEGLYCOSYLATED AND IN COMPLEX WITH ITS LIGAND HAEM

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1HXN	1HXN AND 1FBL
experimental model	PDB	1FBL	1HXN AND 1FBL

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		7.5		HANGING DROP, 4 DEGREES CENTIGRADES, RESEVOIR SOLUTION: 19-22% PEG 4000, 0.05 M TRIS HCL PH 7.5, 0.05-0.5 M EDTA, 0.2 NACL PROTEIN COMPLEX SOLUTION: 40 MG/ ML IN 0.05 M TRIS PH 7.0 AND 0.2 M NACL

Crystal Properties
Matthews coefficient	Solvent content
1.92	35

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 44.68	α = 90
b = 61.95	β = 93.21
c = 83.29	γ = 90

Symmetry
Space Group	P 1 21 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	COLLIMATOR	1997-02-25	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 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	2.3	20	94.7	0.09	6	2.4		19233			38

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)
	2.3	2.42	77		0.324	2.1	2.1

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	MOLECULAR REPLACEMENT	THROUGHOUT	1HXN AND 1FBL	2.3	20	2.5	19233	951	94.7	0.201	0.207	0.289	RANDOM	35

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
p_transverse_tor	27
p_staggered_tor	23.8
p_planar_tor	17.7
p_scangle_it	2.506
p_mcangle_it	1.839
p_scbond_it	1.697
p_mcbond_it	1.094
p_multtor_nbd	0.211
p_singtor_nbd	0.183
p_angle_d	0.032
p_bond_d	0.014
p_angle_deg
p_planar_d
p_hb_or_metal_coord
p_plane_restr
p_chiral_restr
p_xhyhbond_nbd
p_xyhbond_nbd
p_orthonormal_tor
p_special_tor

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3199
Nucleic Acid Atoms
Solvent Atoms	210
Heterogen Atoms	54

Software

Software
Software Name	Purpose
DENZO	data reduction
CCP4	data reduction
AMoRE	phasing
MAMA	model building
MAVE	model building
REFMAC	refinement
CCP4	data scaling
ROTAVATA	data scaling
MAMA	phasing
MAVE	phasing