Table 1. NMR data for the His6–WbpI (P. aeruginosa) reaction.
1H and 13C chemical shifts (δ p.p.m.) and proton coupling constants (JH,H Hz) | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
H1 | H2 | H3 | H4 | H5 | H6 | NAc-CH3 | NAc-CO | NAc-CH3 | NAc-CO | ||
C1 | C2 | C3 | C4 | C5 | C6 | ||||||
Compound | J1,2 | J2,3 | J3,4 | J4,5 | J5,6 | ||||||
UDP-α-D-GlcNAc3NAcA | δH | 5.55 | 4.12 | 4.15 | 3.66 | 4.23 | 1.99 | 2.01 | |||
δC | 94.2 | 52.3 | 52.6 | 70.5 | 74.0 | 176.9 | 22.7 | 175.6 | 22.7 | 175.3 | |
JH,H | 2.8 | 11.2 | 11.3 | 10.1 | |||||||
JP,H | 7.4 | ||||||||||
UDP-α-D-ManNAc3NAcA | δH | 5.46 | 4.40 | 4.33 | 3.71 | 4.23 | 1.95 | 2.04 | |||
δC | 95.1 | 51.5 | 50.5 | 66.9 | 75.0 | 176.9 | 22.7 | 175.3 | 22.7 | 175.1 | |
JH,H | 1.5 | 4.1 | 10.7 | 10.1 | |||||||
JP,H | 8.0 |