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PDBsum entry 8q1b
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Membrane protein
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PDB id
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8q1b
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Contents |
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443 a.a.
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406 a.a.
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387 a.a.
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245 a.a.
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182 a.a.
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66 a.a.
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122 a.a.
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87 a.a.
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60 a.a.
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77 a.a.
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537 a.a.
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238 a.a.
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268 a.a.
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121 a.a.
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145 a.a.
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100 a.a.
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57 a.a.
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45 a.a.
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55 a.a.
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75 a.a.
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88 a.a.
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69 a.a.
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26 a.a.
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Generate full PROCHECK analyses
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PROCHECK summary for 8q1b
Ramachandran plot
PROCHECK statistics
1. Ramachandran Plot statistics
No. of
residues %-tage
------ ------
Most favoured regions [A,B,L] 4491 86.2%*
Additional allowed regions [a,b,l,p] 692 13.3%
Generously allowed regions [~a,~b,~l,~p] 10 0.2%
Disallowed regions [XX] 14 0.3%*
---- ------
Non-glycine and non-proline residues 5207 100.0%
End-residues (excl. Gly and Pro) 57
Glycine residues 393
Proline residues 317
----
Total number of residues 5974
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 -0.84*
Chi1 only -0.39
Chi3 & chi4 0.36
Omega -0.06
-0.18
=====
Main-chain covalent forces:-
Main-chain bond lengths 0.66
Main-chain bond angles 0.47
0.55
=====
OVERALL AVERAGE 0.12
=====
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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