Structure analysis of endosialidase NF at 0.98 A resolution
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Structure analysis of endosialidase NF at 0.98 A resolution. / Schulz, Eike C; Neumann, Piotr; Gerardy-Schahn, Rita; Sheldrick, George M; Ficner, Ralf.
in: ACTA CRYSTALLOGR D, Jahrgang 66, Nr. Pt 2, 02.2010, S. 176-80.Publikationen: SCORING: Beitrag in Fachzeitschrift/Zeitung › SCORING: Zeitschriftenaufsatz › Forschung › Begutachtung
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TY - JOUR
T1 - Structure analysis of endosialidase NF at 0.98 A resolution
AU - Schulz, Eike C
AU - Neumann, Piotr
AU - Gerardy-Schahn, Rita
AU - Sheldrick, George M
AU - Ficner, Ralf
PY - 2010/2
Y1 - 2010/2
N2 - Endosialidase NF (endoNF) is a bacteriophage-derived endosialidase that specifically degrades alpha-2,8-linked polysialic acid. The structure of a new crystal form of endoNF in complex with sialic acid has been refined at 0.98 A resolution. The 210 kDa homotrimeric multi-domain enzyme displays outstanding stability and resistance to SDS. Even at atomic resolution, only a minor fraction of side chains possess alternative conformations. However, multiple conformations of an active-site residue imply that it has an important catalytic function in the cleavage mechanism of polysialic acid.
AB - Endosialidase NF (endoNF) is a bacteriophage-derived endosialidase that specifically degrades alpha-2,8-linked polysialic acid. The structure of a new crystal form of endoNF in complex with sialic acid has been refined at 0.98 A resolution. The 210 kDa homotrimeric multi-domain enzyme displays outstanding stability and resistance to SDS. Even at atomic resolution, only a minor fraction of side chains possess alternative conformations. However, multiple conformations of an active-site residue imply that it has an important catalytic function in the cleavage mechanism of polysialic acid.
KW - Bacteriophages/enzymology
KW - Catalytic Domain
KW - Crystallography, X-Ray
KW - Enzyme Stability
KW - Models, Molecular
KW - N-Acetylneuraminic Acid/chemistry
KW - Neuraminidase/chemistry
KW - Protein Multimerization
KW - Protein Structure, Quaternary
KW - Protein Structure, Tertiary
U2 - 10.1107/S0907444909048720
DO - 10.1107/S0907444909048720
M3 - SCORING: Journal article
C2 - 20124697
VL - 66
SP - 176
EP - 180
JO - ACTA CRYSTALLOGR D
JF - ACTA CRYSTALLOGR D
SN - 2059-7983
IS - Pt 2
ER -