Miyata T, Usui K, Iwanaga S (June 1984). "The amino acid sequence of coagulogen remoted from southeast Asian horseshoe crab, Tachypleus gigas". Iwanaga S (May 2007). "Biochemical precept of Limulus test for detecting bacterial endotoxins". However, no significant free LPD activity was present in any of the 150,000 × g supernatants earlier than and after cent...