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PDBsum entry 7php
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Membrane protein
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PDB id
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7php
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Contents |
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456 a.a.
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228 a.a.
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208 a.a.
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122 a.a.
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120 a.a.
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Generate full PROCHECK analyses
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PROCHECK summary for 7php
Ramachandran plot
PROCHECK statistics
1. Ramachandran Plot statistics
No. of
residues %-tage
------ ------
Most favoured regions [A,B,L] 838 85.7%*
Additional allowed regions [a,b,l,p] 137 14.0%
Generously allowed regions [~a,~b,~l,~p] 3 0.3%
Disallowed regions [XX] 0 0.0%
---- ------
Non-glycine and non-proline residues 978 100.0%
End-residues (excl. Gly and Pro) 14
Glycine residues 98
Proline residues 44
----
Total number of residues 1134
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 -0.30
Chi1-chi2 distribution -0.36
Chi1 only -0.12
Chi3 & chi4 0.54
Omega -0.28
-0.21
=====
Main-chain covalent forces:-
Main-chain bond lengths 0.67
Main-chain bond angles 0.45
0.54
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OVERALL AVERAGE 0.09
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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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