P-protein

Protein found in large amounts in phloem sieve tubes. Appears as thin strands when seen in the electron microscope.
Found on http://www.encyclo.co.uk/visitor-contributions.php

P-protein

(from the article `sieve tube`) The small pores of sieve cells and the larger ones of sieve elements are traversed by strands of cytoplasm called P-protein. It is not known whether ...
Found on http://www.britannica.com/eb/a-z/p/1
No exact match found