2AAN

Auracyanin A: A "blue" copper protein from the green thermophilic photosynthetic bacterium,chloroflexus aurantiacus

X-RAY DIFFRACTION

---

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
other		auracyanin B

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5.2	277	Lithium sulfate, sodium citrate, pH 5.2, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2	38.7

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 70.578	α = 90
b = 70.578	β = 90
c = 45.665	γ = 90

Symmetry
Space Group	P 41 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	100	CCD	MARRESEARCH		2004-03-07	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	MAX II BEAMLINE I911-5	0.96868	MAX II	I911-5

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	30	95.6	0.086		10.8	9667	9667	2	2	15.5

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	1.898	99.3		0.32		10

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	auracyanin B	1.85	18	9667	9202	465	93.85	0.16436	0.16436	0.16217	0.20703	RANDOM	16.993

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]
0.49			0.49		-0.98

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.716
r_dihedral_angle_3_deg	10.959
r_dihedral_angle_4_deg	8.031
r_scangle_it	7.487
r_dihedral_angle_1_deg	7.017
r_scbond_it	5.124
r_mcangle_it	4.502
r_mcbond_it	4.393
r_angle_refined_deg	1.586
r_mcbond_other	1.38
r_angle_other_deg	0.792
r_symmetry_hbond_refined	0.2
r_nbd_refined	0.197
r_nbtor_refined	0.179
r_nbd_other	0.168
r_symmetry_vdw_refined	0.154
r_xyhbond_nbd_refined	0.14
r_symmetry_vdw_other	0.104
r_chiral_restr	0.1
r_nbtor_other	0.086
r_bond_refined_d	0.015
r_gen_planes_refined	0.006
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	901
Nucleic Acid Atoms
Solvent Atoms	92
Heterogen Atoms	11

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
SCALEPACK	data scaling
AMoRE	phasing