An enzyme from bacteria able to destroy penicillin

EP Abraham, E Chain - Nature, 1940 - nature.com
FLEMING 1 noted that the growth of B. coli and a number of other bacteria belonging to the
colityphoid group was not inhibited by penicillin. This observation has been confirmed. …

[PDF][PDF] Further observations on penicillin

EP Abraham, E Chain, CM Fletcher, AD Gardner… - The …, 1941 - jameslindlibrary.org
Growth of Penicillin-producing Mould The mould will grow and produce penicillin on a
variety of different media, but that used by Clutterbuck, Lovell and Raistrick (1932) is easy to …

The structure of cephalosporin C

EP Abraham, GGF Newton - Biochemical Journal, 1961 - ncbi.nlm.nih.gov
(I) The molecular formula proposed for cephalo-sporin C (C, 6H2, 08N3S) had two carbon
atoms and two oxygen atoms more than the formula of cephalosporin N (Newton & Abraham, …

Cephalosporin C, a New Antibiotic containing Sulphur and D-α-Aminoadipic Acid

GGF Newton, EP Abraham - Nature, 1955 - nature.com
A SPECIES of Cephalosporium produces a hydrophilic penicillin, called cephalosporin N,
which yields D-α-aminoadipie acid on hydrolysis 1 . Crude preparations of cephalosporin N …

Cephalosporins 1945–1986

EP Abraham - Drugs, 1987 - Springer
Abraham, EP: … Abraham, EP: Derivatives of cephalosporin C formed with certain heterocyclic
tertiary bases. Biochemical Journal 79: 403 (1961). Hamilton-Miller, JMT and Abraham, EP: …

Zinc as a cofactor for cephalosporinase from Bacillus cereus 569.

LD Sabath, EP Abraham - Biochemical Journal, 1966 - ncbi.nlm.nih.gov
… Crude preparations of P-lactamase from Bacilluo cereu8 569 show a selective loss of
cephalosporinase activity on purification (Abraham & Newton, 1956) and during prolonged …

Isolation of cephalosporin C, a penicillin-like antibiotic containing D-α-aminoadipic acid

GGF Newton, EP Abraham - Biochemical journal, 1956 - ncbi.nlm.nih.gov
5. One of the aspartic acid residues in bacitracin A is readily liberated by hydrolysis in the
free state. The second residue is linked to lysine by a bond which is unusually resistant to …

Antimicrobial activities and antagonists of bacilysin and anticapsin

M Kenig, EP Abraham - Microbiology, 1976 - microbiologyresearch.org
The dipeptide antibiotic bacilysin is active against a wide range of bacteria and against
Candida albicans. Its C-terminal amino acid, anticapsin, is a very poor antibacterial agent. The …

Cephalosporin c

EP Abraham, PB Loder - Cephalosporins and penicillins …, 1972 - books.google.com
… At the same time the study of the active material was undertaken by HS Burton and EP
Abraham. Attention was first concentrated on the antibiotic extractable into organic solvents, but it …

The structure of bacilysin and other products of Bacillus subtillis

JE Walker, EP Abraham - Biochemical Journal, 1970 - portlandpress.com
1. Mass spectra of the trimethylsilyl derivative and the methyl ester of the N-trifluoroacetyl
derivative of bacilysin indicated that the antibiotic had a molecular weight of 270. Several …