摘要:
A GL-7ACA acylase having the following characteristics:(a) has ability to catalyze the enzymatic conversion of glutaryl 7-ACA, adipyl 7-ACA, and succinyl 7-ACA, into 7-aminocephalosporanic acid,(b) has a molecular weight of 70,000 dalton (SDS-PAGE) and(c) has N-terminal amino acid sequence (SEQ ID NO: 1) thereof: Gln-Ser-Glu-Gln-Glu-Lys-Ala-Glu-Glu-.A process for producing GL-7ACA acylase is also provided.
摘要翻译:具有以下特征的GL-7ACA酰基转移酶:(a)具有催化戊二酰7-ACA,己二酰基7-ACA和琥珀酰基7-ACA酶促转化成7-氨基头孢烷酸的能力,(b)具有分子量 的70,000道尔顿(SDS-PAGE)和(c)具有N-末端氨基酸序列(SEQ ID NO:1):Gln-Ser-Glu-Gln-Glu-Lys-Ala-Glu-Glu-。 还提供了生产GL-7ACA酰基转移酶的方法。
摘要:
A GL-7ACA acylase having the following characteristics:(a) has ability to catalyze the enzymatic conversion of glutaryl 7-ACA, adipyl 7-ACA, and succinyl 7-ACA, into 7-aminocephalosporanic acid,(b) has a molecular weight of 70,000 dalton (SDS-PAGE) and(c) has N-terminal amino acid sequence (sea in No: 1) thereof: Gln-Ser-Glu-Gln-Glu-Lys-Ala-Glu-Glu-.A process for producing GL-7ACA acylase is also provided.
摘要:
A cephalosporin C acylase from Pseudomonas diminuta N-176 is characterized by its ability to catalyze the conversion of cephalosporin C, glutaryl 7-ACA, adipyl 7-ACA, succinyl 7-ACA, N-acetylcephalosporin, N-benzoylcephalosporin C and cephalothin into 7-aminocephalosporanic acid. The enzyme contains an .alpha.-subunit having a molecular weight of 26 kDA and a .beta.-subunit having a molecular weight of 58 kDa. A method for the recombinant production of the present cephalosporin C acylase in Escherichia coli is provided.
摘要:
The present invention provides a process for producing 7-aminocephem compounds or salts thereof. 7-Aminocephem compounds are produced via microorganisms transformed with a vector containing a gene capable of converting a cephalosporin compound of the formula (II): ##STR1## to a 7-aminocephem compound of the formula (I): ##STR2##
摘要:
A cephalosporin C acylase from Pseudomonas diminuta N-176 is disclosed as well as the recombinant production of this enzyme in E. coli. The enzyme is characterized by the ability to catalyze the conversion of cephalosporin C, gultaryl 7-ACA, apidyl 7-ACA, succinyl 7-ACA, N-acetylcephalosporin C, N-benzoylcephalosporin C, and cephalothin into 7-aminocephalosporanic acid and is composed of an .alpha.-subunit with a molecular weight of 26,000 daltons and a .beta.-subunit with a molecular weight of 58,000 daltons.
摘要:
FR-900493 is a compound of molecular formula C.sub.20 H.sub.33 N.sub.5 O.sub.11 which may be recovered from Bacillus cultures, possesses antimicrobial activity, and may be used for the treatment and prevention of infectious diseases in humans and animals.
摘要:
A biologically pure culture of Streptomyces sandaensis which is capable of producing an antitumor and antimicrobial compound, designated FR-900482 substance, is disclosed.
摘要:
The invention relates to compounds of antihypertensive and antithrombotic activity of the formula or its pharmaceutically acceptable salt: ##STR1## wherein R.sup.1 is hydrogen, lower alkyl, or lower alkoxyphenyl,R.sup.2 is hydrogen or lower alkyl,R.sup.4 is lower alkyl,R.sup.6 is hydrogen or lower alkyl,R.sup.7 is lower alkyl which is optionally substituted by hydroxy or lower alkanoyloxy, andR.sup.10 is hydrogen or lower alkyl which is optionally substituted by carboxy or esterified carboxy.