Crystal Structure of the Class A beta-lactamase SED-G238C mutant from Citrobacter sedlakii

acyl-intermediate structures of the class A beta-lactamase SED-G238C

Crystallization and preliminary X-ray diffraction study of the class A beta-lactamase SED-1 and its mutant SED-G238C from Citrobacter sedlakii

DVQQVQKKLAALEKQSGGRLGVALINTADNSQVLYRADERFAMCSTSKVMTAAAVLKQSETHDGILQQKMTIKKADLTNW
NPVTEKYVGNTMTLAELSAATLQYSDNTAMNKLLAHLGGPGNVTAFARSIGDTTFRLDRKEPELNTAIPGDERDTTSPLA
MAKSLRKLTLGDALAGPQRAQLVDWLKGNTTGGQSIRAGLPAHWVVGDKTGACDYGTTNDIAVIWPEDRAPLVLVTYFTQ
PQQDAKWRKDVLAAAAKIVTEGK

35% PEG MME 2000, 200mM KSCN, 100mM sodium cacodylate pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K

class A beta-lactamase SED-G238C complexed with imipenem

class A beta-lactamase SED-G238C complexed with faropenem

class A beta-lactamase SED-G238C complexed with meropenem

THIS COORDINATES IS USED NON-SEQUENTIAL RESIDUE NUMBERING. THREE NUMBERS, 58, 239, AND 253 WERE SIMPLY SKIPPED IN THE NUMBERING AND HAVE NOTHING TO DO WITH LACK OF ELECTRON DENSITY.

HYDROLASE, BETA-LACTAMASE, CLASS A, SED-G238C MUTANT

DVQQVQKKLAALEKQSGGRLGVALINTADNSQVLYRADERFAMCSTSKVMTAAAVLKQSETHDGILQQKMTIKKADLTNW
NPVTEKYVGNTMTLAELSAATLQYSDNTAMNKLLAHLGGPGNVTAFARSIGDTTFRLDRKEPELNTAIPGDERDTTSPLA
MAKSLRKLTLGDALAGPQRAQLVDWLKGNTTGGQSIRAGLPAHWVVGDKTGAGDYGTTNDIAVIWPEDRAPLVLVTYFTQ
PQQDAKWRKDVLAAAAKIVTEGK