6REQ

METHYLMALONYL-COA MUTASE, 3-CARBOXYPROPYL-COA INHIBITOR COMPLEX

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1REQ

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		7.5		pH 7.50

Crystal Properties
Matthews coefficient	Solvent content
2.74	48

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 119.95	α = 90
b = 160.46	β = 105.01
c = 88.48	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	95	IMAGE PLATE	MARRESEARCH	MIRROR	1996-07-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ELETTRA BEAMLINE 5.2R		ELETTRA	5.2R

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	2.16	99	98	0.05	0.05	15.1	3.3		170993		6	36

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)
1	2.16	2.27	87.2		0.261	0.261	5.1	3.5

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-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1REQ	2.2	20	161381	7413	98.9	0.216	0.206	0.263	SAME AS 1REQ	36

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]
-0.73		0.82	-0.4		1.43

RMS Deviations
Key	Refinement Restraint Deviation
p_transverse_tor	34.8
p_staggered_tor	17.1
p_scangle_it	5.6
p_scbond_it	4.3
p_mcangle_it	3.8
p_mcbond_it	2.9
p_planar_tor	2.8
p_multtor_nbd	0.189
p_chiral_restr	0.166
p_xhyhbond_nbd	0.15
p_singtor_nbd	0.137
p_xyhbond_nbd	0.132
p_planar_d	0.055
p_angle_d	0.048
p_bond_d	0.016
p_plane_restr	0.006
p_angle_deg
p_hb_or_metal_coord
p_orthonormal_tor
p_special_tor

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	20664
Nucleic Acid Atoms
Solvent Atoms	1150
Heterogen Atoms	302

Software

Software
Software Name	Purpose
AMoRE	phasing
REFMAC	refinement
MOSFLM	data reduction
CCP4	data scaling