Asparagine-84, a regulatory allosteric site residue, helps maintain the quaternary structure of Campylobacter jejuni dihydrodipicolinate synthase.

Majdi Yazdi M, Saran S, Mrozowich T, Lehnert C, Patel TR, Sanders DAR, Palmer DRJ
J Struct Biol :107409 (2019 Oct 31)
PMID: 31678256
doi: 10.1016/j.jsb.2019.107409 		Submitted to SASBDB: 2019 Sep 29
Published in SASBDB:

SASDG26 – Wild type 4-hydroxy-tetrahydrodipicolinate synthase

4-hydroxy-tetrahydrodipicolinate synthase experimental SAS data
DAMFILT model
Sample: 4-hydroxy-tetrahydrodipicolinate synthase tetramer, 131 kDa Campylobacter jejuni protein
Buffer: 20 mM Tris-HCl, 150 mM NaCl, pH: 8
Experiment: SAXS data collected at B21, Diamond Light Source on 2017 Aug 2
RgGuinier 3.4 nm
Dmax 9.0 nm
VolumePorod 188 nm3

SASDG36 – 4-hydroxy-tetrahydrodipicolinate synthase (N84D mutant)

4-hydroxy-tetrahydrodipicolinate synthase (N84D mutant) experimental SAS data
DAMFILT model
Sample: 4-hydroxy-tetrahydrodipicolinate synthase (N84D mutant) dimer, 65 kDa Campylobacter jejuni protein
Buffer: 20 mM Tris-HCl, 150 mM NaCl, pH: 8
Experiment: SAXS data collected at B21, Diamond Light Source on 2017 Aug 2
RgGuinier 3.1 nm
Dmax 9.5 nm
VolumePorod 108 nm3

SASDG46 – 4-hydroxy-tetrahydrodipicolinate synthase (N84A mutant)

4-hydroxy-tetrahydrodipicolinate synthase (N84A mutant) experimental SAS data
DAMFILT model
Sample: 4-hydroxy-tetrahydrodipicolinate synthase (N84A mutant), 33 kDa Campylobacter jejuni protein
Buffer: 20 mM Tris-HCl, 150 mM NaCl, pH: 8
Experiment: SAXS data collected at B21, Diamond Light Source on 2017 Aug 2
RgGuinier 3.3 nm
Dmax 8.9 nm
VolumePorod 163 nm3