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PDBsum entry 8yk0
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Membrane protein
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PDB id
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8yk0
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Contents |
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298 a.a.
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338 a.a.
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57 a.a.
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222 a.a.
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317 a.a.
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Generate full PROCHECK analyses
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PROCHECK summary for 8yk0
Ramachandran plot
PROCHECK statistics
1. Ramachandran Plot statistics
No. of
residues %-tage
------ ------
Most favoured regions [A,B,L] 973 87.6%*
Additional allowed regions [a,b,l,p] 134 12.1%
Generously allowed regions [~a,~b,~l,~p] 3 0.3%
Disallowed regions [XX] 1 0.1%*
---- ------
Non-glycine and non-proline residues 1111 100.0%
End-residues (excl. Gly and Pro) 13
Glycine residues 76
Proline residues 32
----
Total number of residues 1232
Based on an analysis of 118 structures of resolution of at least 2.0 Angstroms and R-factor no greater than 20.0 a good
quality model would be expected to have over 90% in the most favoured regions [A,B,L].
2. G-Factors
Average
Parameter Score Score
--------- ----- -----
Dihedral angles:-
Phi-psi distribution -0.02
Chi1-chi2 distribution -0.61*
Chi1 only -0.12
Chi3 & chi4 0.41
Omega -0.09
-0.12
=====
Main-chain covalent forces:-
Main-chain bond lengths 0.63
Main-chain bond angles 0.43
0.51
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OVERALL AVERAGE 0.14
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G-factors provide a measure of how unusual, or out-of-the-ordinary, a property is.
Values below -0.5* - unusual
Values below -1.0** - highly unusual
Important note: The main-chain
bond-lengths and bond angles are compared with
the Engh & Huber (1991) ideal values derived
from small-molecule data. Therefore, structures
refined using different restraints may show
apparently large deviations from normality.
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