2CI1

Crystal Structure of dimethylarginine dimethylaminohydrolase I in complex with S-nitroso-Lhomocysteine

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1H70	PDB ENTRY 1H70

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		5		100 MM CITRIC ACID/NAOH, 20-40% PEG 8000, 2 MM TCEP, PH 5.0

Crystal Properties
Matthews coefficient	Solvent content
1.86	33.9

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 40.664	α = 90
b = 79.91	β = 108.58
c = 44.894	γ = 90

Symmetry
Space Group	P 1 21 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		2004-07-17	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SLS BEAMLINE X06SA		SLS	X06SA

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	1.08	40	98.6	0.08	15.7	3.65		114012		2

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	1.08	1.12	96		0.34	4.1

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	PDB ENTRY 1H70	1.08	20	112848	1126	97.4	0.1118		0.1413	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
47	2092	2611

RMS Deviations
Key	Refinement Restraint Deviation
s_approx_iso_adps	0.104
s_non_zero_chiral_vol	0.093
s_zero_chiral_vol	0.088
s_similar_adp_cmpnt	0.051
s_anti_bump_dis_restr	0.038
s_angle_d	0.034
s_from_restr_planes	0.0304
s_bond_d	0.015
s_rigid_bond_adp_cmpnt	0.005
s_similar_dist

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2150
Nucleic Acid Atoms
Solvent Atoms	471
Heterogen Atoms	13

Software

Software
Software Name	Purpose
SHELXL-97	refinement
DENZO	data reduction
SCALEPACK	data scaling
AMoRE	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 R01GM157729.