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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...

Topics

Adenosine Diphosphate
Amino Acid Sequence
Animals
Arabidopsis Proteins
Base Sequence
Carrier Proteins
Cells, Cultured
Chromatography, High Pressure Liquid
DNA
Electrophoresis, Gel, Two-Dimensional

Methodology Data sources Editorial policy Privacy About Contact Helena Bioinformatics

Endoplasmic Reticulum Chaperone BiP

Heat-Shock Proteins

Molecular Chaperones

Molecular Sequence Data

Mutation

Phosphorylation

Plant Proteins

Seeds

Source

Open in PubMed Open full text

Identifiers

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

Provenance

PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 29 Aug 2026. Prepared record publication-1840923-2026-08-29.1. Manifest publication-graph-cohort-2026-08-29.1.

Source receipt: PubMed via Helena Literature Corpus, retrieved 29 Aug 2026.

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Characterization of an immunoglobulin binding protein homolog in the maize floury-2 endosperm mutant.PMID 1840923Read ↗

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