Four Helix Bundle (Hemerythrin (Met), subunit A) - #1410 / : / Four Helix Bundle (Hemerythrin (Met), subunit A) / Up-down Bundle / extracellular region / metal ion binding / Mainly Alpha / Ranasmurfin
Function and homology information
Biological species
POLYPEDATES LEUCOMYSTAX (Java whipping frog)
Method
X-RAY DIFFRACTION / SYNCHROTRON / SAD / Resolution: 1.16 Å
Mass: 18.015 Da / Num. of mol.: 184 / Source method: isolated from a natural source / Formula: H2O
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Details
Has protein modification
Y
Nonpolymer details
THE CHROMOPHORE IN THIS ENTRY IS FORMED BY 4 RESIDUES ACROSS CHAINS A AND B. LYS (A30)-TY2 (A108)- ...THE CHROMOPHORE IN THIS ENTRY IS FORMED BY 4 RESIDUES ACROSS CHAINS A AND B. LYS (A30)-TY2 (A108)-TYR (B108)-LYS (B30) COORDINATED BY A ZINC MOLECULE.
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Experimental details
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Experiment
Experiment
Method: X-RAY DIFFRACTION
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Sample preparation
Crystal
Density Matthews: 1.95 Å3/Da / Density % sol: 44.52 % / Description: NONE
Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelength
Wavelength: 0.976 Å / Relative weight: 1
Reflection
Resolution: 1.16→44 Å / Num. obs: 65500 / % possible obs: 93 % / Observed criterion σ(I): 0 / Redundancy: 3.8 % / Rmerge(I) obs: 0.04 / Net I/σ(I): 12
Reflection shell
Resolution: 1.16→1.22 Å / Redundancy: 80 % / Rmerge(I) obs: 0.63 / Mean I/σ(I) obs: 1.8 / % possible all: 70
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Processing
Software
Name
Version
Classification
REFMAC
5.2.0019
refinement
XDS
datareduction
XDS
datascaling
Refinement
Method to determine structure: SAD Starting model: NONE Resolution: 1.16→44.81 Å / Cor.coef. Fo:Fc: 0.954 / Cor.coef. Fo:Fc free: 0.945 / SU B: 2.254 / SU ML: 0.044 / Cross valid method: THROUGHOUT / ESU R: 0.054 / ESU R Free: 0.05 / Stereochemistry target values: MAXIMUM LIKELIHOOD Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS.THE SEQUENCE IS FROM X-RAY STRUCTURE.
Rfactor
Num. reflection
% reflection
Selection details
Rfree
0.236
3499
5.1 %
RANDOM
Rwork
0.214
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obs
0.216
65500
92.5 %
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Solvent computation
Ion probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: BABINET MODEL WITH MASK