2ZCF

Mutational study on Alpha-Gln90 of Fe-type nitrile hydratase from Rhodococcus sp. N771

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2AHJ

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	277	PEG8000, MAGNESIUM CHLORIDE, 50mM Tris-HCl, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.57	51.28

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 114.838	α = 90
b = 60.554	β = 125.05
c = 82.187	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	ADSC QUANTUM 210	Pt	2004-10-19	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SPRING-8 BEAMLINE BL44B2	1.0	SPring-8	BL44B2

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	1.43	50	99.9	0.06	20	3.7	85342	85342

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)
	1.43	1.48	77.9		0.28	4.48

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	FREE R	2AHJ	1.43	8	74058	74058	8288	87.4	0.1697	0.1694	0.1694	0.2111	RANDOM

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]

Coordinate Error
Structure Solution Method	Refinement High Resolution	Refinement Low Resolution
		3865.25

RMS Deviations
Key	Refinement Restraint Deviation
s_non_zero_chiral_vol	0.061
s_zero_chiral_vol	0.06
s_similar_adp_cmpnt	0.055
s_angle_d	0.026
s_from_restr_planes	0.0257
s_anti_bump_dis_restr	0.017
s_bond_d	0.011
s_similar_dist
s_rigid_bond_adp_cmpnt
s_approx_iso_adps

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3211
Nucleic Acid Atoms
Solvent Atoms	655
Heterogen Atoms	2

Software

Software
Software Name	Purpose
SHELX	model building
SHELXL-97	refinement
ADSC	data collection
HKL-2000	data reduction
HKL-2000	data scaling
CNS	phasing

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.