Table 1. 1H -NMR assignments (ppm) for the amino acids of Ps-1 and II-2 sequences, and PROPa.
| ← | ←1H-Cα | ←1H-Cβ | ←1H-Cγ | ←1H-Cδ | ←1H-Cε | ←1H-Cβ’ |
| ←Ala | ←3.83 (q) | ←1.53 (d) | ← | ← | ← | ← |
| ←Arg | ←3.26t | ←1.66–1.73 (m) | ←1.66–1.73 (m) | ←3.38t | ← | ← |
| ← | ←(3.28t)b | ←(1.67–1.75m)b | ←(1.67–1.75m)b | ←(3.6br)b | ← | ← |
| ←Asn | ←4.06 (q) | ←2.95 (dd) | ← | ← | ← | ← |
| ←Asp | ←4.10 (t) | ←3.03 (dd) | ← | ← | ← | ← |
| ←Gly | ←3.61 (s) | ← | ← | ← | ← | ← |
| ←Glu | ←3.86 (t) | ←2.15–2.26 (m) | ←2.59–2.63 (m) | ← | ← | ← |
| ←Gln | ←3.82 (t) | ←2.19 (q) | ←2.48–2.55 (m) | ← | ← | ← |
| ←Ile | ←3.72 (d) | ←2.00–2.05 (m) | ←1.32.–1.55(m) | ←1.00 (t) | ← | ←1.06 (d) |
| ←Leu | ←3.78 (t) | ←1.71–1.82 (m) | ←1.71–1.82 (m) | ←1.01 (t) | ← | ← |
| ←Lys | ←3.61t | ←1.76–1.85 (m) | ←1.40–1.60 (m) | ←1.74t | ←3.06 (t) | ← |
| ← | ←(3.8br)b | ←(1.92–2.00 m, br)b | ←(1.40–1.60 m, br)b | ←(1.77t)b | ←(3.07t)b | ← |
| ←Pro | ←4.18 (t) | ←2.38–2.53 (m) | ←2.04–2.15 (m) | ←3.37–3.50 (m) | ← | ← |
| ←Ser | ←3.94–4.06(m) | ←3.89 (t) | ← | ← | ← | ← |
| ←Val | ←3.66 (d) | ←2.29–2.36 (m) | ←1.07 (dd) | ← | ← | ← |
a
PROP assignments (ppm): 1.00t [CH3(CH2CH2)]; 1.70q [(CH3)CH2(CH2)]; 2.52t [(CH3CH2)CH2]; 5.985s H(CH).
b
Chemical shifts upon PROP addition are reported in parentheses only when changed.
NMR signal descriptions: s (singlet); d (doublet); t (triplet); q (quadruplet); m (multiplet); br (broad signal); dd (doublet of doublets).