1DXM

Reduced form of the H protein from glycine decarboxylase complex

X-RAY DIFFRACTION

---

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		5.2		50 % AMMONIUM SULFATE, 100 MM TRIS MALEATE PH 5.2, 2 MM TCEP (TRIS CARBOXYETHYL PHOSPHINE)

Crystal Properties
Matthews coefficient	Solvent content
2.22	44.67

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 56.41	α = 90
b = 56.41	β = 90
c = 135.17	γ = 120

Symmetry
Space Group	P 31 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	IMAGE PLATE		MIRRORS	1998-12-15	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE

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	2.6	40	97.1	0.11	4.7	3		7808			47.6

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)
1	2.6	2.74	98.3		0.24	3	2.9

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	1HPC	2.6	40	7740	410	94.8	0.204	0.204	0.26	RANDOM	37.9

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]
3.41	-2.07		3.41		-6.82

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	25
c_scangle_it	3.09
c_mcangle_it	2.44
c_scbond_it	1.98
c_mcbond_it	1.43
c_angle_deg	1.3
c_improper_angle_d	1.17
c_bond_d	0.007
c_bond_d_na
c_bond_d_prot
c_angle_d
c_angle_d_na
c_angle_d_prot
c_angle_deg_na
c_angle_deg_prot
c_dihedral_angle_d_na
c_dihedral_angle_d_prot
c_improper_angle_d_na
c_improper_angle_d_prot

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1966
Nucleic Acid Atoms
Solvent Atoms	145
Heterogen Atoms	22

Software

Software
Software Name	Purpose
CNS	refinement
XDS	data reduction
SCALA	data scaling
CNS	phasing