Christopher J. Schofield
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Christopher Joseph Schofield (also known as Chris Schofield) is a Professor of Chemistry at the
University of Oxford The University of Oxford is a collegiate university, collegiate research university in Oxford, England. There is evidence of teaching as early as 1096, making it the oldest university in the English-speaking world and the List of oldest un ...
and a
Fellow of the Royal Society Fellowship of the Royal Society (FRS, ForMemRS and HonFRS) is an award granted by the Fellows of the Royal Society of London to individuals who have made a "substantial contribution to the improvement of natural science, natural knowledge, incl ...
. Chris Schofield is a professor of
organic chemistry Organic chemistry is a subdiscipline within chemistry involving the science, scientific study of the structure, properties, and reactions of organic compounds and organic matter, organic materials, i.e., matter in its various forms that contain ...
at the University of Oxford, Department of Chemistry and a Fellow of
Hertford College Hertford College ( ), previously known as Magdalen Hall, is a constituent college of the University of Oxford in England. It is located on Catte Street in the centre of Oxford, directly opposite the main gate to the Bodleian Library. The colle ...
. Schofield studied functional, structural and mechanistic understanding of
enzyme An enzyme () is a protein that acts as a biological catalyst by accelerating chemical reactions. The molecules upon which enzymes may act are called substrate (chemistry), substrates, and the enzyme converts the substrates into different mol ...
s that employ oxygen and 2-oxoglutarate as a co-substrate. His work has opened up new possibilities in
antibiotic An antibiotic is a type of antimicrobial substance active against bacteria. It is the most important type of antibacterial agent for fighting pathogenic bacteria, bacterial infections, and antibiotic medications are widely used in the therapy ...
research, oxygen sensing, and
gene regulation Regulation of gene expression, or gene regulation, includes a wide range of mechanisms that are used by cells to increase or decrease the production of specific gene products (protein or RNA). Sophisticated programs of gene expression are wide ...
. After work on plant and microbial
oxygenase An oxygenase is any enzyme that oxidizes a substrate by transferring the oxygen from molecular oxygen O2 (as in air) to it. The oxygenases form a class of oxidoreductases; their EC number is EC 1.13 or EC 1.14. Structure Most oxygenases contain ...
s, he studied uncharacterised human oxygenases. His research has identified unanticipated roles for
oxygenase An oxygenase is any enzyme that oxidizes a substrate by transferring the oxygen from molecular oxygen O2 (as in air) to it. The oxygenases form a class of oxidoreductases; their EC number is EC 1.13 or EC 1.14. Structure Most oxygenases contain ...
s in regulating
gene expression Gene expression is the process (including its Regulation of gene expression, regulation) by which information from a gene is used in the synthesis of a functional gene product that enables it to produce end products, proteins or non-coding RNA, ...
, importantly in the cellular hypoxic response, and has revealed new
post-translational modification In molecular biology, post-translational modification (PTM) is the covalent process of changing proteins following protein biosynthesis. PTMs may involve enzymes or occur spontaneously. Proteins are created by ribosomes, which translation (biolog ...
s to
chromatin Chromatin is a complex of DNA and protein found in eukaryote, eukaryotic cells. The primary function is to package long DNA molecules into more compact, denser structures. This prevents the strands from becoming tangled and also plays important r ...
and
RNA splicing RNA splicing is a process in molecular biology where a newly-made precursor messenger RNA (pre-mRNA) transcription (biology), transcript is transformed into a mature messenger RNA (Messenger RNA, mRNA). It works by removing all the introns (non-cod ...
proteins. The work has identified new opportunities for medicinal intervention.


Education

Chris Schofield attended St Anselm's College catholic
grammar school A grammar school is one of several different types of school in the history of education in the United Kingdom and other English-speaking countries, originally a Latin school, school teaching Latin, but more recently an academically oriented Se ...
in Merseyside, then studied for a Bachelor of Science in
chemistry Chemistry is the scientific study of the properties and behavior of matter. It is a physical science within the natural sciences that studies the chemical elements that make up matter and chemical compound, compounds made of atoms, molecules a ...
at the
University of Manchester The University of Manchester is a public university, public research university in Manchester, England. The main campus is south of Manchester city centre, Manchester City Centre on Wilmslow Road, Oxford Road. The University of Manchester is c ...
and graduated with a first class honour (1979–1982). In 1982, he moved to
Oxford Oxford () is a City status in the United Kingdom, cathedral city and non-metropolitan district in Oxfordshire, England, of which it is the county town. The city is home to the University of Oxford, the List of oldest universities in continuou ...
to study for a
DPhil A Doctor of Philosophy (PhD, DPhil; or ) is a terminal degree that usually denotes the highest level of academic achievement in a given discipline and is awarded following a course of graduate study and original research. The name of the deg ...
with Professor Jack E. Baldwin. In 1985, he became a Departmental Demonstrator in the Dyson Perrins Laboratory,
Oxford University The University of Oxford is a collegiate research university in Oxford, England. There is evidence of teaching as early as 1096, making it the oldest university in the English-speaking world and the second-oldest continuously operating u ...
followed by his appointment as a Lecturer in
Chemistry Chemistry is the scientific study of the properties and behavior of matter. It is a physical science within the natural sciences that studies the chemical elements that make up matter and chemical compound, compounds made of atoms, molecules a ...
and a
Fellow A fellow is a title and form of address for distinguished, learned, or skilled individuals in academia, medicine, research, and industry. The exact meaning of the term differs in each field. In learned society, learned or professional society, p ...
of
Hertford College Hertford College ( ), previously known as Magdalen Hall, is a constituent college of the University of Oxford in England. It is located on Catte Street in the centre of Oxford, directly opposite the main gate to the Bodleian Library. The colle ...
in 1990. In 1998, he became professor of
Chemistry Chemistry is the scientific study of the properties and behavior of matter. It is a physical science within the natural sciences that studies the chemical elements that make up matter and chemical compound, compounds made of atoms, molecules a ...
, and in 2011 he was appointed the Head of Organic Chemistry at the Department of Chemistry, University of Oxford. In 2013, he was elected a
Fellow of the Royal Society Fellowship of the Royal Society (FRS, ForMemRS and HonFRS) is an award granted by the Fellows of the Royal Society of London to individuals who have made a "substantial contribution to the improvement of natural science, natural knowledge, incl ...
, FRS.


Research

The work in laboratory of Chris Schofield focuses on different areas of research, including:


Molecular Mechanisms of the Hypoxic Response

Hypoxia-inducible factor-1 (HIF-1) is a heterodimeric α,β-transcriptional complex that mediates the cellular response to oxygen availability in multi-cellular organisms, ranging from the simplest known animal ''
Trichoplax adhaerens ''Trichoplax adhaerens'' is one of the four named species in the phylum Placozoa. The others are ''Hoilungia hongkongensis'', ''Polyplacotoma mediterranea'' and ''Cladtertia collaboinventa''. Placozoa is a basal group of multicellular animals, p ...
'' to humans. Investigating the structures and mechanisms of the HIF prolyl hydroxylases is a current focus of the work. The group solved crystal structures of PHD2 - one of the human
prolyl hydroxylase Procollagen-proline dioxygenase, commonly known as prolyl hydroxylase, is a member of the class of enzymes known as alpha-ketoglutarate-dependent hydroxylases. These enzymes catalyze the incorporation of oxygen into organic substrates through a me ...
s - and discovered that the HIF asparaginyl hydroxylase also catalyses hydroxylation of conserved motifs, the
ankyrin repeat The ankyrin repeat is a 33-residue motif in proteins consisting of two alpha helices separated by loops, first discovered in signaling proteins in yeast Cdc10 and '' Drosophila'' Notch. Domains consisting of ankyrin tandem repeats mediate ...
domain.


Chemical Basis of Epigenetics

A current focus of the group is modification of histones, in particular oxygenase catalysed ''N''-demethylation of histone methylated-
lysine Lysine (symbol Lys or K) is an α-amino acid that is a precursor to many proteins. Lysine contains an α-amino group (which is in the protonated form when the lysine is dissolved in water at physiological pH), an α-carboxylic acid group ( ...
residues – in collaboration with the
Structural Genomics Consortium The Structural Genomics Consortium (SGC) is a public-private-partnership focusing on elucidating the functions and disease relevance of all proteins encoded by the human genome, with an emphasis on those that are relatively understudied. The SGC pl ...
. The histone demethylases are of interest both with respect to their links to diseases, including cancer and
inflammatory diseases Inflammation (from ) is part of the biological response of body tissues to harmful stimuli, such as pathogens, damaged cells, or Irritation, irritants. The five cardinal signs are heat, pain, redness, swelling, and Functio laesa, loss of funct ...
, as well as the role of methylation in
transcriptional regulation In molecular biology and genetics, transcriptional regulation is the means by which a cell regulates the conversion of DNA to RNA ( transcription), thereby orchestrating gene activity. A single gene can be regulated in a range of ways, from al ...
. Recent areas of interest include the fat mass and obesity protein which was shown to be a
nucleic acid Nucleic acids are large biomolecules that are crucial in all cells and viruses. They are composed of nucleotides, which are the monomer components: a pentose, 5-carbon sugar, a phosphate group and a nitrogenous base. The two main classes of nuclei ...
demethylase and JMJD6 which is a lysyl hydroxylase modifying
RNA Ribonucleic acid (RNA) is a polymeric molecule that is essential for most biological functions, either by performing the function itself (non-coding RNA) or by forming a template for the production of proteins (messenger RNA). RNA and deoxyrib ...
splicing protein.


Structural and Functional Studies on 2OG Oxygenases

The 2-oxoglutarate (2OG)-dependent oxygenases are a superfamily of non-haem iron dependent
oxygenase An oxygenase is any enzyme that oxidizes a substrate by transferring the oxygen from molecular oxygen O2 (as in air) to it. The oxygenases form a class of oxidoreductases; their EC number is EC 1.13 or EC 1.14. Structure Most oxygenases contain ...
s, most of which use the
Krebs cycle The citric acid cycle—also known as the Krebs cycle, Szent–Györgyi–Krebs cycle, or TCA cycle (tricarboxylic acid cycle)—is a series of biochemical reactions that release the energy stored in nutrients through acetyl-CoA oxidation. The e ...
intermediate, 2OG, as a co-substrate. The group are interested in understanding these enzymes for their ability to catalyse synthetically difficult or 'impossible' reactions (''e.g.'' the stereoselective
hydroxylation In chemistry, hydroxylation refers to the installation of a hydroxyl group () into an organic compound. Hydroxylations generate alcohols and phenols, which are very common functional groups. Hydroxylation confers some degree of water-solubility ...
of unactivated carbon-hydrogen bonds), for their diverse physiological roles, and for their links to disease. The research focuses on members of the family that are linked to disease, or can be targeted for the treatment of disease. Techniques involved in this interdisciplinary research include
proteomics Proteomics is the large-scale study of proteins. Proteins are vital macromolecules of all living organisms, with many functions such as the formation of structural fibers of muscle tissue, enzymatic digestion of food, or synthesis and replicatio ...
,
X-ray crystallography X-ray crystallography is the experimental science of determining the atomic and molecular structure of a crystal, in which the crystalline structure causes a beam of incident X-rays to Diffraction, diffract in specific directions. By measuring th ...
,
nuclear magnetic resonance Nuclear magnetic resonance (NMR) is a physical phenomenon in which nuclei in a strong constant magnetic field are disturbed by a weak oscillating magnetic field (in the near field) and respond by producing an electromagnetic signal with a ...
(NMR) spectroscopy, biological
mass spectrometry Mass spectrometry (MS) is an analytical technique that is used to measure the mass-to-charge ratio of ions. The results are presented as a ''mass spectrum'', a plot of intensity as a function of the mass-to-charge ratio. Mass spectrometry is used ...
,
molecular biology Molecular biology is a branch of biology that seeks to understand the molecule, molecular basis of biological activity in and between Cell (biology), cells, including biomolecule, biomolecular synthesis, modification, mechanisms, and interactio ...
,
enzyme kinetics Enzyme kinetics is the study of the rates of enzyme catalysis, enzyme-catalysed chemical reactions. In enzyme kinetics, the reaction rate is measured and the effects of varying the conditions of the reaction are investigated. Studying an enzyme' ...
, protein-directed dynamic combinatorial chemistry and
organic synthesis Organic synthesis is a branch of chemical synthesis concerned with the construction of organic compounds. Organic compounds are molecules consisting of combinations of covalently-linked hydrogen, carbon, oxygen, and nitrogen atoms. Within the gen ...
/
medicinal chemistry Medicinal or pharmaceutical chemistry is a scientific discipline at the intersection of chemistry and pharmacy involved with drug design, designing and developing pharmaceutical medication, drugs. Medicinal chemistry involves the identification, ...
.


Antibiotics: Biosynthesis and Resistance Mechanisms

Most clinically used
antibiotics An antibiotic is a type of antimicrobial substance active against bacteria. It is the most important type of antibacterial agent for fighting pathogenic bacteria, bacterial infections, and antibiotic medications are widely used in the therapy ...
are based upon
natural product A natural product is a natural compound or substance produced by a living organism—that is, found in nature. In the broadest sense, natural products include any substance produced by life. Natural products can also be prepared by chemical s ...
s. The most important family of antibiotics contains a β-lactam ring, and includes the
penicillin Penicillins (P, PCN or PEN) are a group of beta-lactam antibiotic, β-lactam antibiotics originally obtained from ''Penicillium'' Mold (fungus), moulds, principally ''Penicillium chrysogenum, P. chrysogenum'' and ''Penicillium rubens, P. ru ...
,
cephalosporin The cephalosporins (sg. ) are a class of β-lactam antibiotics originally derived from the fungus '' Acremonium'', which was previously known as ''Cephalosporium''. Together with cephamycins, they constitute a subgroup of β-lactam antibio ...
, clavam, and
carbapenem Carbapenems are a class of very effective antibiotic agents most commonly used for treatment of severe bacterial infections. This class of antibiotics is usually reserved for known or suspected multidrug-resistant (MDR) bacterial infections. Si ...
antibiotics An antibiotic is a type of antimicrobial substance active against bacteria. It is the most important type of antibacterial agent for fighting pathogenic bacteria, bacterial infections, and antibiotic medications are widely used in the therapy ...
. The group's biosynthetic work has focused on the clavams and
carbapenem Carbapenems are a class of very effective antibiotic agents most commonly used for treatment of severe bacterial infections. This class of antibiotics is usually reserved for known or suspected multidrug-resistant (MDR) bacterial infections. Si ...
s, with a particular focus being on the mechanism and structures of enzymes that catalyse chemically 'interesting' steps. The biggest threat to the continued use of β-lactam
antibiotics An antibiotic is a type of antimicrobial substance active against bacteria. It is the most important type of antibacterial agent for fighting pathogenic bacteria, bacterial infections, and antibiotic medications are widely used in the therapy ...
is that of bacterial resistance. Schofield is currently working on the design and
synthesis Synthesis or synthesize may refer to: Science Chemistry and biochemistry *Chemical synthesis, the execution of chemical reactions to form a more complex molecule from chemical precursors **Organic synthesis, the chemical synthesis of organi ...
of
enzyme inhibitor An enzyme inhibitor is a molecule that binds to an enzyme and blocks its Enzyme activity, activity. Enzymes are proteins that speed up chemical reactions necessary for life, in which Substrate (biochemistry), substrate molecules are converted ...
s for the metallo β-lactamases – there are no clinically used inhibitor of these enzymes but they pose a significant threat as they catalyse the hydrolysis of almost all clinically used β-lactam
antibiotics An antibiotic is a type of antimicrobial substance active against bacteria. It is the most important type of antibacterial agent for fighting pathogenic bacteria, bacterial infections, and antibiotic medications are widely used in the therapy ...
. A particular interest involves human metallo β-lactamases which share the same fold.


Awards and honours

2015-2020: Wellcome Trust Advanced Investigator Award (with Sir Peter Ratcliffe) 2013:
Fellow of the Royal Society Fellowship of the Royal Society (FRS, ForMemRS and HonFRS) is an award granted by the Fellows of the Royal Society of London to individuals who have made a "substantial contribution to the improvement of natural science, natural knowledge, incl ...
(London); Member of EMBO;
Fellow of the Royal Society of Biology Fellowship of the Royal Society of Biology (FRSB), previously Fellowship of the Society of Biology (FSB), is an award and fellowship granted to individuals that the Royal Society of Biology has adjudged to have made a "prominent contribution to t ...
, UK; Member of the Biochemical Society; Member of the
Society for Experimental Biology The Society for Experimental Biology is a learned society for animal, cell and plant biologists. It was founded in 1923 at Birkbeck College to "promote the art and science of experimental biology in all its branches". It aims to demonstrate the im ...
, UK 2012: Finalist – Biotechnology and Biological Sciences Research Council 'Innovator of the Year' 2011:
Royal Society of Chemistry The Royal Society of Chemistry (RSC) is a learned society and professional association in the United Kingdom with the goal of "advancing the chemistry, chemical sciences". It was formed in 1980 from the amalgamation of the Chemical Society, the ...
, Jeremy Knowles Award, UK; Highly cited paper awards (''e.g.''
Biochemical Journal The ''Biochemical Journal'' is a peer-reviewed scientific journal which covers all aspects of biochemistry, as well as cell and molecular biology. It is published by Portland Press and was established in 1906. History The journal was established ...
, Bioorganic & Medicinal Chemistry Letters) 2009 – 2014: PI of ERC Advanced Investigator Grant SPA GA 2008 233240 (with Sir Peter Ratcliffe); Molecular Mechanism of Oxygen Sensing by Enzymes (MOOSE) 2000:
Fellow of the Royal Society of Chemistry Fellowship of the Royal Society of Chemistry (FRSC) is one of the most prestigious awards conferred by the Royal Society of Chemistry (RSC) in the United Kingdom. Existing Fellows include award winning scientists and Nobel prize winners. FRSC awa ...
(London)


References


External links

* http://schofield.chem.ox.ac.uk/ * http://research.chem.ox.ac.uk/christopher-schofield.aspx {{DEFAULTSORT:Schofield, Christopher J. 1960 births Alumni of St John's College, Oxford Alumni of the University of Manchester Institute of Science and Technology British chemists Fellows of Hertford College, Oxford Fellows of the Royal Society Fellows of the Royal Society of Chemistry People educated at St. Anselm's College Living people