1ZNC

HUMAN CARBONIC ANHYDRASE IV


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 2CBAPOLYALANINE MODEL OF CAII MISSING N-TERMINAL 30

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
15.125% PEG 3,350; 100MM NA ACETATE PH 5.1
Crystal Properties
Matthews coefficientSolvent content
2.448.9

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 89.5α = 90
b = 47.7β = 106.3
c = 141γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray298IMAGE PLATERIGAKUMIRRORSM
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU RUH2R

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)Net I Over Average Sigma (I)RedundancyNumber Reflections (All)Number Reflections (Observed)Observed Criterion Sigma (F)Observed Criterion Sigma (I)B (Isotropic) From Wilson Plot
12.820950.083.413626
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
2.82.8791.80.2533.3

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTFREE-RPOLYALANINE MODEL OF CAII MISSING N-TERMINAL 302.820212067650850.1970.1970.25228.3
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]
RMS Deviations
KeyRefinement Restraint Deviation
x_dihedral_angle_d24.8
x_angle_deg1.4
x_improper_angle_d1.2
x_bond_d0.007
x_bond_d_na
x_bond_d_prot
x_angle_d
x_angle_d_na
x_angle_d_prot
x_angle_deg_na
RMS Deviations
KeyRefinement Restraint Deviation
x_dihedral_angle_d24.8
x_angle_deg1.4
x_improper_angle_d1.2
x_bond_d0.007
x_bond_d_na
x_bond_d_prot
x_angle_d
x_angle_d_na
x_angle_d_prot
x_angle_deg_na
x_angle_deg_prot
x_dihedral_angle_d_na
x_dihedral_angle_d_prot
x_improper_angle_d_na
x_improper_angle_d_prot
x_mcbond_it
x_mcangle_it
x_scbond_it
x_scangle_it
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4089
Nucleic Acid Atoms
Solvent Atoms34
Heterogen Atoms2

Software

Software
Software NamePurpose
MOSFLMdata reduction
ROTAVATA/AGROVATAdata reduction
X-PLORmodel building
X-PLORrefinement
CCP4data scaling
ROTAVATAdata scaling
X-PLORphasing