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PDBsum entry 8ab6
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Membrane protein
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PDB id
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8ab6
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Contents |
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383 a.a.
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63 a.a.
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124 a.a.
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71 a.a.
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438 a.a.
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402 a.a.
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244 a.a.
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85 a.a.
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54 a.a.
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75 a.a.
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Generate full PROCHECK analyses
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PROCHECK summary for 8ab6
Ramachandran plot
PROCHECK statistics
1. Ramachandran Plot statistics
No. of
residues %-tage
------ ------
Most favoured regions [A,B,L] 3156 93.0%
Additional allowed regions [a,b,l,p] 231 6.8%
Generously allowed regions [~a,~b,~l,~p] 1 0.0%
Disallowed regions [XX] 6 0.2%*
---- ------
Non-glycine and non-proline residues 3394 100.0%
End-residues (excl. Gly and Pro) 36
Glycine residues 244
Proline residues 204
----
Total number of residues 3878
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 0.11
Chi1-chi2 distribution -0.03
Chi1 only 0.16
Chi3 & chi4 0.41
Omega -0.43
-0.06
=====
Main-chain covalent forces:-
Main-chain bond lengths 0.59
Main-chain bond angles 0.23
0.38
=====
OVERALL AVERAGE 0.13
=====
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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