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PDBsum entry 6b8h
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Membrane protein
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PDB id
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6b8h
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Contents |
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(+ 14 more)
75 a.a.
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48 a.a.
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249 a.a.
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200 a.a.
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157 a.a.
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49 a.a.
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84 a.a.
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106 a.a.
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59 a.a.
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24 a.a.
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(+ 0 more)
501 a.a.
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(+ 0 more)
470 a.a.
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265 a.a.
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119 a.a.
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48 a.a.
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161 a.a.
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21 a.a.
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Generate full PROCHECK analyses
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PROCHECK summary for 6b8h
Ramachandran plot
PROCHECK statistics
1. Ramachandran Plot statistics
No. of
residues %-tage
------ ------
Most favoured regions [A,B,L] 7629 88.6%*
Additional allowed regions [a,b,l,p] 940 10.9%
Generously allowed regions [~a,~b,~l,~p] 26 0.3%
Disallowed regions [XX] 14 0.2%*
---- ------
Non-glycine and non-proline residues 8609 100.0%
End-residues (excl. Gly and Pro) 134
Glycine residues 867
Proline residues 390
----
Total number of residues 10000
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 -0.18
Chi1-chi2 distribution -0.28
Chi1 only -0.17
Chi3 & chi4 0.43
Omega -0.54*
-0.26
=====
Main-chain covalent forces:-
Main-chain bond lengths 0.56
Main-chain bond angles 0.38
0.46
=====
OVERALL AVERAGE 0.04
=====
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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