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PDBsum entry 4y8k
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Hydrolase/hydrolase inhibitor
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PDB id
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4y8k
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Contents |
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250 a.a.
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244 a.a.
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240 a.a.
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235 a.a.
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231 a.a.
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243 a.a.
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241 a.a.
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222 a.a.
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204 a.a.
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195 a.a.
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212 a.a.
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222 a.a.
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230 a.a.
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196 a.a.
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Generate full PROCHECK analyses
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PROCHECK summary for 4y8k
Ramachandran plot
PROCHECK statistics
1. Ramachandran Plot statistics
No. of
residues %-tage
------ ------
Most favoured regions [A,B,L] 5153 92.4%
Additional allowed regions [a,b,l,p] 392 7.0%
Generously allowed regions [~a,~b,~l,~p] 16 0.3%
Disallowed regions [XX] 14 0.3%*
---- ------
Non-glycine and non-proline residues 5575 100.0%
End-residues (excl. Gly and Pro) 64
Glycine residues 516
Proline residues 198
----
Total number of residues 6353
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 -0.07
Chi1-chi2 distribution -0.04
Chi1 only 0.09
Chi3 & chi4 0.39
Omega -0.30
-0.08
=====
Main-chain covalent forces:-
Main-chain bond lengths 0.65
Main-chain bond angles 0.58
0.61
=====
OVERALL AVERAGE 0.19
=====
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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