Experiment: 1AL6

CHICKEN CITRATE SYNTHASE COMPLEX WITH N-HYDROXYAMIDO-COA AND OXALOACETATE

X-RAY DIFFRACTION

Starting Model(s)

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

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		6		CRYSTALLIZED FROM 1.02M NA CITRATE, PH 6.0 5 MM OXALOACETATE, PH 6 2 MM N-HYDROXYAMIDOCARBOXYMETHYLDETHIA COENZYME A.

Crystal Properties
Matthews coefficient	Solvent content
2.4	55

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 104.43	α = 90
b = 78.48	β = 78.89
c = 58.45	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	295	AREA DETECTOR	XUONG-HAMLIN MULTIWIRE	COLLIMATOR	1997-02-10	M

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RUH2R

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	1.85	25	87	0.047	9.2	1.7		34332

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	1.85	2	78		0.155	2.3	1.2

Refinement

Statistics
Diffraction ID	Structure Solution Method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR SUBSTITUTION	PDB ENTRY 1CSH	1.85	25	34332	34332		86	0.157	0.1553

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
t_dihedral_angle_d	15.8
t_it	4.8
t_angle_deg	2.2
t_nbd	0.058
t_trig_c_planes	0.02
t_gen_planes	0.016
t_bond_d	0.014
t_incorr_chiral_ct
t_pseud_angle

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3391
Nucleic Acid Atoms
Solvent Atoms	143
Heterogen Atoms	61

Software

Software
Software Name	Purpose
TNT	refinement
SDMS	data reduction
SDMS	data scaling
TNT	phasing