Help bio chem problem, draw thr-leu in teh most stable configuration at physiological PH

(orientation around the peptide bond) I think I have this right wish there was an easier way to upload a picture of this up here I'll try my best this is what i have so far.
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if you can help me that would be great! tell me if I'm going this wrong

look up pKa and figure out if protonated or not at body's pH.
(for each one of the amino acids at a time)