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PDBsum entry 8tzq
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Membrane protein
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PDB id
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8tzq
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Contents |
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229 a.a.
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339 a.a.
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58 a.a.
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270 a.a.
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221 a.a.
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Generate full PROCHECK analyses
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PROCHECK summary for 8tzq
Ramachandran plot
PROCHECK statistics
1. Ramachandran Plot statistics
No. of
residues %-tage
------ ------
Most favoured regions [A,B,L] 904 90.2%
Additional allowed regions [a,b,l,p] 96 9.6%
Generously allowed regions [~a,~b,~l,~p] 1 0.1%
Disallowed regions [XX] 1 0.1%*
---- ------
Non-glycine and non-proline residues 1002 100.0%
End-residues (excl. Gly and Pro) 15
Glycine residues 68
Proline residues 32
----
Total number of residues 1117
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 -0.05
Chi1-chi2 distribution 0.14
Chi1 only 0.19
Chi3 & chi4 0.73
Omega -0.07
0.06
=====
Main-chain covalent forces:-
Main-chain bond lengths 0.67
Main-chain bond angles 0.48
0.56
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OVERALL AVERAGE 0.27
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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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