4MH8 | pdb_00004mh8

The crystal structure of the monomeric reverse transcriptase from moloney murine leukemia virus

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1QAJ	PDB ENTRY 1QAJ, 4HKQ
experimental model	PDB	4HKQ	PDB ENTRY 1QAJ, 4HKQ

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.5	293	POTASSIUM CHLORIDE, MAGNESIUM ACETATE, SODIUM CACODYLATE, PEG 8000, PH 6.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 293K REMARK 300

Crystal Properties
Matthews coefficient	Solvent content
4.02	69.39

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 242.332	α = 90
b = 94.621	β = 90
c = 52.408	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	108	CCD	CUSTOM-MADE		2001-06-28	M	SINGLE WAVELENGTH
2	1	x-ray		CCD	CUSTOM-MADE		2002-10-18	M

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X25		NSLS	X25
2	SYNCHROTRON	APS BEAMLINE 19-ID		APS	19-ID

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	40			3.8		22526		-3

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1,2	3	3.11	89.8

Refinement

Statistics
Diffraction ID	Structure Solution 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 (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	Mean Isotropic B
X-RAY DIFFRACTION	MIRAS AND MOLECULAR REPLACEMENT	PDB ENTRY 1QAJ, 4HKQ	3	39.636	1	21254	1022	84.87	0.2372	0.2352	0.2355	0.2769	0.2779

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
f_dihedral_angle_d	13.089
f_angle_d	0.783
f_chiral_restr	0.03
f_bond_d	0.004
f_plane_restr	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3580
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms

Software

Software
Software Name	Purpose
PHENIX	refinement
CNS	refinement
MLPHARE	phasing
PHASER	phasing
PHENIX	model building
AMoRE	phasing
HKL-2000	data reduction
SCALEPACK	data scaling
CNS	phasing
PHENIX	phasing