Biochemical basis for the regulation of biosynthesis of antiparasitics by bacterial hormones.

Putative gamma-butyrolactone receptor protein

GSENLYFQSGAVARQERAIRTRQTILVAAAEVFDEVGYEAATISDVLKRSGVTKGALYFHFTSKQELAQAVLAEQVASLP
RVPEQELKLQQSLDEALLLAHLLREGTGDPIVQGSVRLTVDQGSPRDHLNRRVPMQAWTEHTQSLFEEARAKGEILPHAD
VEALAKLFVGAFTGVQVLSRIMTGRADLAERVADLYRHLMPSFAMPGILVRLDFSPERGSRVYEAAMKQRESAAASTTDA
ARTLE

Escherichia coli 'BL21-Gold(DE3)pLysS AG'

23% PEG3350 and 0.1M sodium acetate trihydrate pH 4.5

National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)

6WP7 contains the same protein in unbound state

Gel filtration was used to determine the polymeric nature of Protein

Binding of Avenolide to AvaR1 was determined using ITC, found in 1:1 stoichiometry, with one ligand bound to each monomeric unit.

HYDROGENS HAVE BEEN USED IF PRESENT IN THE INPUT U VALUES : REFINED INDIVIDUALLY

Transcriptional Repressor bound ligand, DNA BINDING PROTEIN, DNA BINDING PROTEIN-INHIBITOR complex, DNA BINDING PROTEIN-HORMONE complex

MARQERAIRTRQTILVAAAEVFDEVGYEAATISDVLKRSGVTKGALYFHFTSKQELAQAVLAEQVASLPRVPEQELKLQQ
SLDEALLLAHLLREGTGDPIVQGSVRLTVDQGSPRDHLNRRVPMQAWTEHTQSLFEEARAKGEILPHADVEALAKLFVGA
FTGVQVLSRIMTGRADLAERVADLYRHLMPSFAMPGILVRLDFSPERGSRVYEAAMKQRESAAASTTDAARTLE