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Micromatabilin

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Micromatabilin, the green pigment of the spider species Micrommata virescens, is characterized as a mixture of biliverdin conjugates. The two isolated fractions have identical absorption bands (free base: 620–630 μm, hydrochloride: 690 μm, zinc complex: 685–690 μm). Chromic acid degradation yields imides I, II, IIIa, and IIIb. Differences in the non-hydrolytic degradation and in polarity lead to the conclusion that fraction 1 is a monoconjugate and fraction 2a diconjugate of biliverdin.[1]

References

  1. ^ Holl, A.; Rüdiger, W. (1975). "Micromatabilin, a new biliverdin conjugate in the spider,Micromata rosea (Sparassidae)". Journal of Comparative Physiology B. 98 (2): 189–191. doi:10.1007/BF00706130.


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