Primary Structure of Bovine Plasma Low-Molecular-Weight KininogenThe Complete Amino Acid Sequence of COOH-Terminal Portion Following the Bradykinin Moiety1

1989 ◽  
Vol 264 (5) ◽  
pp. 2560-2567
Author(s):  
G Camici ◽  
G Manao ◽  
G Cappugi ◽  
A Modesti ◽  
M Stefani ◽  
...  

1982 ◽  
Vol 207 (2) ◽  
pp. 253-260 ◽  
Author(s):  
M A Smith ◽  
L M Gerrie ◽  
B Dunbar ◽  
J E Fothergill

Purification of C4a from heat-activated bovine plasma by elution from CM-Sephadex C-50 at pH 7.4 and gel filtration on Sephadex G-50 gives a 20% yield of pure C4a. The complete amino acid sequence of bovine C4a has been determined by automatic sequencer degradation of CNBr and enzymic fragments, and by carboxypeptidase digestion. The 77-residue bovine sequence shows 12 differences from the human sequence with five of these differences occurring in the C-terminal 11 residues. The sequence of C4a confirms earlier suggestions of homology with C3a and C5a: the three sequences show an almost equal number of identities with each other. The six cysteine residues of the ‘disulphide knot’ are conserved as well as seven other residues including the C-terminal arginine.


1976 ◽  
Vol 54 (10) ◽  
pp. 835-842 ◽  
Author(s):  
A. S. Mak ◽  
B. L. Jones

The complete amino acid sequence of β-purothionin, a low molecular weight, very basic, protein isolated from wheat endosperm material, has been determined. β-purothionin is toxic to some bacteria, to yeasts, and to animals when injected. The protein contains 45 amino acid residues and has a molecular weight of 4913. The 8 cysteine and 10 basic residues are distributed throughout the molecule. The primary structure of the protein shows considerable homology to those of the viscotoxins, which are toxic, small, basic proteins found in the leaves and stems of European mistletoe (Viscum album L.).


1971 ◽  
Vol 123 (2) ◽  
pp. 201-210 ◽  
Author(s):  
L. S. Swart ◽  
T. Haylett

The complete amino acid sequence of protein SCMKB-IIIB4 is presented. It is closely related to the sequence of protein SCMKB-IIIB3 (Haylett, Swart & Parris, 1971) differing in only four positions. The peptic and thermolysin peptides of protein SCMKB-IIIB4 were analysed by the dansyl–Edman method (Gray, 1967) and by tritium-labelling of C-terminal residues (Matsuo, Fujimoto & Tatsuno, 1966). This protein is the third member of a group of high-sulphur wool proteins with molecular weight of about 11400. It consists of 98 residues and has acetylalanine and carboxymethylcysteine as N- and C-terminal residues respectively.


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