1TW3

Crystal structure of Carminomycin-4-O-methyltransferase (DnrK) in complex with S-adenosyl-L-homocystein (SAH) and 4-methoxy-e-rhodomycin T (M-ET)

X-RAY DIFFRACTION

---

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
other		RdmB+SAM+DbrA complex

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6	294	ammonium sulphate, MES buffer, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 294K

Crystal Properties
Matthews coefficient	Solvent content
3	60

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 210.69	α = 90
b = 53.134	β = 105.03
c = 83.07	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	100	CCD	MARRESEARCH		2003-11-12	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	MAX II BEAMLINE I711	1.09	MAX II	I711

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	2.35	35	94.8	0.071	13.9	7	41714	41714			29

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)
	2.35	2.411	89.8		0.214	5.5

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	RdmB+SAM+DbrA complex	2.35	35	33956	1829	95.61	0.19593	0.1933	0.24384	RANDOM	27.453

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]
-2.24		0.32	1.59		0.81

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	5.963
r_scangle_it	2.511
r_scbond_it	1.453
r_angle_refined_deg	1.423
r_angle_other_deg	1.024
r_mcangle_it	0.914
r_mcbond_it	0.465
r_symmetry_hbond_refined	0.239
r_nbd_other	0.233
r_symmetry_vdw_other	0.222
r_nbd_refined	0.202
r_symmetry_vdw_refined	0.184
r_xyhbond_nbd_refined	0.176
r_chiral_restr	0.105
r_nbtor_other	0.087
r_bond_refined_d	0.011
r_gen_planes_refined	0.004
r_bond_other_d	0.002
r_gen_planes_other	0.002
r_dihedral_angle_2_deg
r_dihedral_angle_3_deg
r_dihedral_angle_4_deg
r_nbtor_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_hbond_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5254
Nucleic Acid Atoms
Solvent Atoms	350
Heterogen Atoms	138

Software

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