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Article

Characterization of an immunoglobulin binding protein homolog in the maize floury-2 endosperm mutant.

The Plant cell - 1 May 1991

Fontes E B, Shank B B, Wrobel R L, Moose S P, OBrian G R, Wurtzel E T, Boston R S

Abstract excerpt

The maize b-70 protein is an endoplasmic reticulum protein overproduced in the floury-2 (fl2) endosperm mutant. The increase in b-70 levels in fl2 plants occurs during seed maturation and is endosperm specific. We have used amino acid sequence homology to identify b-70 as a homolog of mammalian immunoglobulin binding protein (BiP). Purified b-70 fractions contain two 75-kilodalton polypeptides with pl values of...

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Identifiers

PMID: 1840923
DOI: 10.1105/tpc.3.5.483
PMCID: PMC160016

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Source receipt: pubmed, retrieved 7 Sept 2026.

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