Structural Analysis of the Sulfotransferase (3-OST-3) Involved in the Biosynthesis of an Entry Receptor for Herpes Simplex Virus 1

Authors
Moon, A.F.
Edavettal, S.C.
Krahn, J.M.
Munoz, E.M.
Negishi, Masahiko
Linhardt, Robert J.
Liu, J.
Pedersen, L.C.
ORCID
https://orcid.org/0000-0003-2219-5833
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Issue Date
2004
Keywords
Biology , Chemistry and chemical biology , Chemical and biological engineering , Biomedical engineering
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Attribution 3.0 United States
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Full Citation
Structural Analysis of the Sulfotransferase (3-OST-3) Involved in the Biosynthesis of an Entry Receptor for Herpes Simplex Virus 1, A.F. Moon, S.C. Edavettal, J.M. Krahn, E.M. Munoz, M. Negishi, R.J. Linhardt, J. Liu, L.C. Pedersen, Journal of Biological Chemistry, 279, 45185-45193, 2004.
Abstract
Heparan sulfate (HS) plays essential roles in assisting herpes simplex virus infection and other biological processes. The biosynthesis of HS includes numerous specialized sulfotransferases that generate a variety of sulfated saccharide sequences, conferring the selectivity of biological functions of HS. We report a structural study of human HS 3-O-sulfotransferase isoform 3 (3-OST-3), a key sulfotransferase that transfers a sulfuryl group to a specific glucosamine in HS generating an entry receptor for herpes simplex virus 1. We have obtained the crystal structure of 3-OST-3 at 1.95 Å in a ternary complex with 3′-phosphoadenosine 5′-phosphate and a tetrasaccharide substrate. Mutational analyses were also performed on the residues involved in the binding of the substrate. Residues Gln255 and Lys368 are essential for the sulfotransferase activity and lie within hydrogen bonding distances to the carboxyl and sulfo groups of the uronic acid unit. These residues participate in the substrate recognition of 3-OST-3. This structure provides atomic level evidence for delineating the substrate recognition and catalytic mechanism for 3-OST-3.
Description
Journal of Biological Chemistry, 279, 45185-45193
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Department
The Linhardt Research Labs.
The Shirley Ann Jackson, Ph.D. Center for Biotechnology and Interdisciplinary Studies (CBIS)
Publisher
Elsevier
Relationships
The Linhardt Research Labs Online Collection
Rensselaer Polytechnic Institute, Troy, NY
https://harc.rpi.edu/
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A full text version is available in DSpace@RPI
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CC BY — Creative Commons Attribution