Tertiary structure of thiopurine methyltransferase from Pseudomonas syringae, the bacterial orthologue of a polymorphic, drug-metabolizing enzyme
GSHQSEVNKD LQQYWSSLNV VPGARVLVPL CGKSQDMSWL SGQGYHVVGA ELSEAAVERY FTERGEQPHI TSQGDFKVYA APGIEIWCGD FFALTARDIG HCAAFYDRAA MIALPADMRE RYVQHLEALM PQACSGLLIT LEYDQALLEG PPFSVPQTWL HRVMSGNWEV TKVGGQDTLH SSARGLKAGL ERMDEHVYVL ERV
Polymer type: polypeptide(L)
Total | 1H | 13C | 15N | |
---|---|---|---|---|
All | 84.8 % (1962 of 2313) | 81.4 % (970 of 1192) | 87.8 % (796 of 907) | 91.6 % (196 of 214) |
Backbone | 97.1 % (1165 of 1200) | 96.6 % (401 of 415) | 97.0 % (573 of 591) | 98.5 % (191 of 194) |
Sidechain | 75.5 % (980 of 1298) | 73.2 % (569 of 777) | 81.0 % (406 of 501) | 25.0 % (5 of 20) |
Aromatic | 38.9 % (84 of 216) | 41.7 % (45 of 108) | 34.0 % (35 of 103) | 80.0 % (4 of 5) |
Methyl | 94.2 % (211 of 224) | 94.6 % (106 of 112) | 93.8 % (105 of 112) |
1. thiopurine methyltransferase
GSHQSEVNKD LQQYWSSLNV VPGARVLVPL CGKSQDMSWL SGQGYHVVGA ELSEAAVERY FTERGEQPHI TSQGDFKVYA APGIEIWCGD FFALTARDIG HCAAFYDRAA MIALPADMRE RYVQHLEALM PQACSGLLIT LEYDQALLEG PPFSVPQTWL HRVMSGNWEV TKVGGQDTLH SSARGLKAGL ERMDEHVYVL ERVTemperature 293 (±0.1) K, pH 6.8 (±0.02)
# | Name | Isotope labeling | Type | Concentration |
---|---|---|---|---|
1 | thiopurine methyltransferase | [U-98% 13C; U-98% 15N] | 1.5 mM | |
2 | potassium phosphate | 20 mM | ||
3 | sodium chloride | 150 mM | ||
4 | sodium azide | 0.05 % | ||
5 | leupeptin | 1 uM | ||
6 | pepstatin | 1 uM | ||
7 | PMSF | 1 uM | ||
8 | D20 | 5 % |