the tyr ring signals were identified by reference to the recently reported spectra of the plasminogen kringle 4 homologues from human , bovine , and porcine origin [ ramesh , v. , gyenes , m. , patthy , l. , & llinas , m. ( 1986 ) eur . j. biochem . 159 , 581-595 ] .
C0032140
plasminogen
C0064417
kringle