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identifier: 1838812
description:
epitope description:H90, D113, Y116, P117, F118, T119, D121, R124, V136, V285, A327, V328, K331, E334, E335, M347, A350, Q351, G353, E354, I355, M356, P357, N358
antigen name:Maltose-binding periplasmic protein
host organism:Homo sapiens
antibody name:sAB MCS2
aggregation:
instance of dataset
availability:
available
primaryPublications: 21378967
authorizations:
registration not required
accessURL: http://www.iedb.org/reference/1022188
landingPage: http://www.iedb.org/assay/1838812
type:
Literature
publicationVenue:
Nat Struct Mol Biol
dates:
2011
study type: b cell assays
subject species: Escherichia coli
fullName:
Shahir S Rizk
Marcin Paduch
John H Heithaus
Erica M Duguid
Andrew Sandstrom
Anthony A Kossiakoff
method:
x-ray crystallography
name:
Allosteric control of ligand-binding affinity using engineered conformation-specific effector proteins.
description:
The epitope residues are calculated form the PDB structure [PDB: 3PGF] as the antigen residues at 4 Å
distance from the antibody.
The epitope of sAB MCS2 on MBP bound to maltose was determined from the crystal structure, solved by molecular replacement. MBP was expressed with a His10 tag followed by a Flag tag at the N-terminus of MBP lacking its periplasmic signal sequence. In contrast to the MBP–MCS2 complex reported here, a previous structure of a sAB based on a monobody scaffold generated without maltose shows that the monobody interacts with an open form of MBP at the maltose-binding site [PDB: 3CSG].

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