#3 new term: endosperm storage proteins content

Hi Pankaj,

I am curating a gene, rice SPK, which affects starch accumulation in the endosperm of immature seed (2 weeks after flowering). The authors analyzed the protein contents in immature seed, they grind the immature seeds without the lemma and palea to get the crude protein extract. I am wondering if we should have a term "endosperm storage proteins" to represent this crude protein extract.

protein composition related trait (TO:0000490)
-[i] endosperm storage proteins (TO:new)
-[p] endosperm storage protein-1 content(TO:0000107)
-[p] endosperm storage protein-2 content(TO:0000109)

Reference:
Gramene reference ID:6603
PMID:11910009

[Pankaj Jaiswal]

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added the following term in trait.obo ver 1.28
[Term]
id: TO:0002653
name: endosperm storage protein content
def: "Assay for the amount of seed storage protein present in the endosperm." [GR:pj]
is_a: TO:0000490 ! protein composition related trait
is_a: TO:0000598 ! protein content