Preparation and Characterization of a Chloroperoxidase-like Catalytic Antibody

The small molecule, meso-tetra(α,α,α,α-o-phenylacetamidophenyl) porphyrin (Mr1147.0) was used as complete antigen to elicit MAb through the immunization and cell fusion techniques. The MAb 1F2 obtained was demonstrated to be very pure by MALDI/TOFMS. The subtype of MAb 1F2 is IgG2a, which has a rela...

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Main Authors: Wang, Fengyang, Huang, Xueying, Du, Li, Li, Weiguo, He, Hongxuan, Qi, Chao
Format: Online
Language:English
Published: Molecular Diversity Preservation International (MDPI) 2007
Online Access:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3692307/
id pubmed-3692307
recordtype oai_dc
spelling pubmed-36923072013-06-26 Preparation and Characterization of a Chloroperoxidase-like Catalytic Antibody Wang, Fengyang Huang, Xueying Du, Li Li, Weiguo He, Hongxuan Qi, Chao Full Research Paper The small molecule, meso-tetra(α,α,α,α-o-phenylacetamidophenyl) porphyrin (Mr1147.0) was used as complete antigen to elicit MAb through the immunization and cell fusion techniques. The MAb 1F2 obtained was demonstrated to be very pure by MALDI/TOFMS. The subtype of MAb 1F2 is IgG2a, which has a relative molecular weight of 156,678.8 Da.No significant change in the intensity of absorption peaks in UV and CD spectra was observed over a pH range between 6 and 12. The high stability of the abzyme and the tight binding between Fe porphyrin and antibody were also demonstrated. Vmax, Km, κcat, κcat/Km for abzyme are 5.18 × 10−8 Ms−1, 1.50 × 10−8 M, 0.518 s−1, 3.45 × 107 M−1s−1, respectively. The data obtained indicate that catalytic antibody has high catalytic activity. The chloroperoxidase activity of MAb 1F2-Fe porphyrin complex is stable from 10 °C to 60 °C. Molecular Diversity Preservation International (MDPI) 2007-05-29 /pmc/articles/PMC3692307/ Text en © 2007 by MDPI Reproduction is permitted for noncommercial purposes.
repository_type Open Access Journal
institution_category Foreign Institution
institution US National Center for Biotechnology Information
building NCBI PubMed
collection Online Access
language English
format Online
author Wang, Fengyang
Huang, Xueying
Du, Li
Li, Weiguo
He, Hongxuan
Qi, Chao
spellingShingle Wang, Fengyang
Huang, Xueying
Du, Li
Li, Weiguo
He, Hongxuan
Qi, Chao
Preparation and Characterization of a Chloroperoxidase-like Catalytic Antibody
author_facet Wang, Fengyang
Huang, Xueying
Du, Li
Li, Weiguo
He, Hongxuan
Qi, Chao
author_sort Wang, Fengyang
title Preparation and Characterization of a Chloroperoxidase-like Catalytic Antibody
title_short Preparation and Characterization of a Chloroperoxidase-like Catalytic Antibody
title_full Preparation and Characterization of a Chloroperoxidase-like Catalytic Antibody
title_fullStr Preparation and Characterization of a Chloroperoxidase-like Catalytic Antibody
title_full_unstemmed Preparation and Characterization of a Chloroperoxidase-like Catalytic Antibody
title_sort preparation and characterization of a chloroperoxidase-like catalytic antibody
description The small molecule, meso-tetra(α,α,α,α-o-phenylacetamidophenyl) porphyrin (Mr1147.0) was used as complete antigen to elicit MAb through the immunization and cell fusion techniques. The MAb 1F2 obtained was demonstrated to be very pure by MALDI/TOFMS. The subtype of MAb 1F2 is IgG2a, which has a relative molecular weight of 156,678.8 Da.No significant change in the intensity of absorption peaks in UV and CD spectra was observed over a pH range between 6 and 12. The high stability of the abzyme and the tight binding between Fe porphyrin and antibody were also demonstrated. Vmax, Km, κcat, κcat/Km for abzyme are 5.18 × 10−8 Ms−1, 1.50 × 10−8 M, 0.518 s−1, 3.45 × 107 M−1s−1, respectively. The data obtained indicate that catalytic antibody has high catalytic activity. The chloroperoxidase activity of MAb 1F2-Fe porphyrin complex is stable from 10 °C to 60 °C.
publisher Molecular Diversity Preservation International (MDPI)
publishDate 2007
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3692307/
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