The origin of petroleum porphyrins: Preliminary evidence for protein fragments associated with porphyrins

Details The origin of petroleum porphyrins: Preliminary evidence for protein fragments associated with porphyrins The origin of petroleum porphyrins: Preliminary evidence for protein fragments associated with porphyrins

Apr 1969

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1969gecoa..33..532h&link_type=abstract

Geochimica et Cosmochimica Acta, vol. 33, Issue 4, pp.532-535

Physics

1

Scientific paper

A number of amino acids including glycine, alanine, serine, glutamic acid, aspartic acid, leucine and isoleucine were found in hydrolysates of porphyrin and chlorin fractions isolated from petroleum and from ancient and modern sediments. If these are interpreted on the basis of the present preliminary data as residues of proteins originally bonded to biogenic chlorin pigments, molecular weights of about 100-2000 are indicated for the fragments.

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